SPI Lab, EE Dept, IIT Bombay
http://www.ee.iitb.ac.in/~spilab
Publications
A. Papers in Journals
K. S. Nataraj, H. Dasgupta, and P. C. Pandey, "Estimation of place of articulation of fricatives from spectral features, " International Journal of Speech Technology, vol 26, pp 1061-1078, 2023. DOI: 10.1007/s10772-023-10076-3
abstract_Nataraj_ijst_2023_Estimation_of_place_of_articulation_of_fricatives.pdf
Link: https://doi.org/10.1007/s10772-023-10076-3
H. Dasgupta, P. C. Pandey, and K. S. Nataraj, "Epoch detection using Hilbert envelope for glottal excitation enhancement and maximum-sum subarray for epoch marking," IEEE J. Sel. Topics Signal Process., vol. 14 (2), pp. 461-471, 2020. DOI: 10.1109/JSTSP.2019.2951458
abstract_hirak_ieee_jstsp_2019_speech_epoch_detection.pdf
Link: https://doi.org/10.1109/JSTSP.2019.2951458
N. Tiwari and P. C. Pandey, "Speech enhancement using noise estimation with dynamic quantile tracking," IEEE/ACM Trans. Audio, Speech, and Lang. Process., vol. 27 (12), pp. 2301-2312, 2019. DOI: 10.1109/TASLP.2019.2945485
abstract_nitya_ieee_taslp_2019_speech_enhancement.pdf
Link: https://doi.org/10.1109/TASLP.2019.2945485
N. Tiwari and P. C. Pandey, "Sliding-band dynamic range compression for use in hearing aids," Int. J. Speech Technol., vol. 22 (4), pp. 911-926, 2019. DOI: 10.1007/s10772-019-09635-4
abstract_nitya_ijst_2019_dynamic_range_compression.pdf
Link: https://doi.org/10.1007/s10772-019-09635-4
N. Tiwari and P. C. Pandey, "A technique with low memory and computational requirements for dynamic tracking of quantiles," J Signal Process. Syst., vol. 91 (5), pp. 411-422, 2019. DOI: 10.1007/s11265-017-1327-6
abstract_nitya_jsps2018_dynamic_tracking_of_quantiles.pdf
Link: https://doi.org/10.1007/s11265-017-1327-6
S. M. M. Naidu, P. C. Pandey, U. R. Bagal, and S. P. Hardas, "Beat-to-beat estimation of stroke volume using impedance cardiography and artificial neural network," Medical & Biological Engineering & Computing, vol. 56 (6), pp. 1077-1089, 2018. DOI: 10.1007/s11517-017-1752-5
abstract_mohan_mbec_2017_beat-to-beat_sv_icg_ann.pdf
Link: https://doi.org/10.1007/s11517-017-1752-5
U. R. Bagal, P. C. Pandey, S. M. M. Naidu, and S. P. Hardas, "Detection of opening and closing of the aortic valve using impedance cardiography and its validation by echocardiography," Biomed. Physics Eng. Express, 4 (1), 015012, 2018, DOI: 10.1088/2057-1976/aa8bf5
abstract_uttam_bpex_2017_detection_aortic.pdf
Link: https://doi.org/10.1088/2057-1976/aa8bf5
A. R. Jayan and P. C. Pandey, "Automated modification of consonant-vowel ratio of stops for improving speech intelligibility," Int. J. Speech Technol., vol. 18 (1), pp. 113-130,2015. DOI: 10.1007/s10772-014-9254-4
abstract_jayan_ijst_2014_cvr_modification.pdf
Link: https://doi.org/10.1007/s10772-014-9254-4
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Binaural dichotic presentation to reduce the effects of spectral masking in moderate bilateral sensorineural hearing loss," Int. J. Audiology, vol. 51 (4), pp. 334-344, 2012. DOI: 10.3109/14992027.2011.642012
abstract_pnkulkarni_ija_2012.pdf
Link: https://doi.org/10.3109/14992027.2011.642012
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Multi-band frequency compression for improving speech perception by listeners with moderate sensorineural hearing loss," Speech Commun., vol. 54(3), pp. 341-350, 2012. DOI: 10.1016/j.specom.2011.09.005.
abstract_pnkulkarni_specom_2012.pdf
Link: https://doi.org/10.1016/j.specom.2011.09.005
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Multi-band frequency compression for reducing the effects of spectral masking," Int. J. Speech Technol., vol. 10 (4), pp. 219-227, 2009. DOI: 10.1007/s10772-009-9030-z
abstract_pnkulkarni_ijst_2009.pdf
Link: https://doi.org/10.1007/s10772-009-9030-z
P. C. Pandey and M. S. Shah, "Estimation of place of
articulation during stop closures of vowel-consonant-vowel utterances,"
IEEE Trans. Audio, Speech, and Lang. Process., vol. 17 (2), pp. 277-286, 2009. DOI: 10.1109/TASL.2008.2010285
abstract_pcpandey_ieee_taslp_2009.pdf
Link: https://doi.org/10.1109/TASL.2008.2010285
J. N. Sarvaiya, P. C. Pandey, and V. K. Pandey, "An impedance detector for glottography," IETE J. Research, vol. 55 (3), pp. 100-105, 2009. DOI: 10.4103/0377-2063.54894
abstract_jnsarvaiya_iete_jr_2009.pdf
Link: https://www.tandfonline.com/doi/abs/10.4103/0377-2063.54894
V. K. Pandey, P. C. Pandey, and J. N. Sarvaiya, "Impedance simulator for testing of instruments for bioimpedance sensing," IETE J. Research, vol. 54 (3), pp. 203 - 207, 2008. DOI: 10.1080/03772063.2008.10876200
abstract_vkpandey_iete_jr_2008.pdf
Link: https://doi.org/10.1080/03772063.2008.10876200
V. K. Pandey and P. C. Pandey, "Tracking-based baseline restoration circuit for acquisition of bio signals," Electronics Letters, vol. 43 (6), pp. 13-14, 2007. DOI: 10.1049/el:20073152
Link: https://doi.org/10.1049/el:20073152
A. Kothari, P. C. Pandey, T. S. Rathore, "A micro-controller based dB meter," IETE J. Research, vol. 47 (3-4), pp. 165-168, 2001.
abstract_akhothari_iete_jr_2001.pdf
paper_akhothari_iete_jr_2001.pdf
D. S. Chaudhari and P. C. Pandey, "Critical filter based speech signal processing for persons with bilateral sensorineural hearing impairment," J. Institution of Engineers (India), Part CP, vol. 82, pp. 11-15, 2001.
abstract_dschaudhari_jie_2001.pdf
paper_dschaudhari_jie_2001.pdf
H. B. Nemade, T. Anjaneyulu, P. C. Pandey, "Sensing turbulence transit time by pulsed ultrasound for single-phase fluid flow measurement," IEEE Trans. Instrumentation and Measurement, 47 (1), pp. 265 - 269, 1998. DOI: 10.1109/19.728831
abstract_hbnemade_ieee_tim_1998.pdf
Link: https://doi.org/10.1109/19.728831
T. G. Thomas, P. C. Pandey, and S. D. Agashe, "Effect of consonantal intensity and period modification on speech perception by listeners with simulated hearing impairment," J. Acoust. Soc. India, vol 24 (6), pp. 4.1-4.4, 1996.
abstract_tgthomas_jasi_1996.pdf
T. G. Thomas, P. C. Pandey, and S. D. Agashe, "A PC-based multiresolution spectrograph," J. IETE, vol. 40 (2-3), pp. 105-108, 1994.
abstract_tgthomas_jiete_1994.pdf
B. Papers in the Proceedings of International Conferences
P. H. Kachare, P. C. Pandey, V. Mane, H. Dasgupta, K. S. Nataraj, A. Rathod, and S. K. Pathak, "ViSTAFAE : A visual speech training aid with feedback of articulatory efforts," Proc. 19th Annual Conference of the International Speech Communication Association (Interspeech 2021), Brno, Czechia, pp. 3323-3324.
paper_pramod_interspeech2021.pdf
K. S. Nataraj, P. C. Pandey, and H. Dasgupta, "Effect of frication duration and formant transitions on the perception of fricatives in vcv utterances," Proc. IEEE Int. Conf. Acoustics, Speech and Signal Processing 2020 (IEEE/ICASSP 2020), Barcelona, Spain, pp. 6259-6263. DOI: 10.1109/ICASSP40776.2020.9053375
Link: https://doi.org/10.1109/ICASSP40776.2020.9053375
K. S. Nataraj, H. Dasgupta, and P. C. Pandey, "Early indirect techniques for estimating the vocal tract area function," Proc. Workshop on History of Speech Communication Research, Vienna, Austria, 2019.
K. S. Nataraj, P. C. Pandey, and H. Dasgupta, "Estimation of place of articulation of English fricatives using the modified dominant spectral centroid and slope as the spectral parameters," Proc. Workshop on Speech Processing for Voice, Speech and Hearing Disorders, Mysore, India, paper no. 39.
S. Sharma, N. Tiwari, and P. C. Pandey, "Implementation of digital hearing aid as a smart phone application," Proc. 19th Annual Conference of the International Speech Communication Association (Interspeech 2018), Hyderabad, India, pp. 1175-1179.
paper_saketh_interspeech2018.pdf
Link: https://doi.org/10.21437/Interspeech.2018-2031
H. Dasgupta, P. C. Pandey, and K. S. Nataraj, "Detection of glottal excitation epochs in speech signal using Hilbert envelope," Proc. 19th Annual Conference of the International Speech Communication Association (Interspeech 2018), Hyderabad, India, pp. 2132-2136.
paper_hirak_interspeech2018.pdf
Link: https://doi.org/10.21437/Interspeech.2018-2014
K. S. Nataraj, P. C. Pandey, and H. Dasgupta, "Estimation of place of articulation of fricatives from spectral characteristics for speech training," Proc. 18th Annual Conference of the International Speech Communication Association (Interspeech 2017), Stockholm, Sweden, pp. 339-343.
paper_nataraj_interspeech2017.pdf
Link: https://doi.org/10.21437/Interspeech.2017-1074
N. Tiwari, S. Sharma, and P. C. Pandey, "Speech enhancement using noise estimation with adaptive dynamic quantile tracking for use in hearing aids," 3rd Doctorial Consortium at International Speech Communication Association (Interspeech 2017), Stockholm, Sweden.
paper_nitya_interspeech_doc_cons_2017.pdf
N. Tiwari, P. C. Pandey, and P. N. Kulkarni, "Real-time implementation of multi-band frequency compression for listeners with moderate sensorineural impairment," Proc. 13th Annual Conference of the International Speech Communication Association (Interspeech 2012), Portland, Oregon, paper no. 689.
paper_nitya_interspeech2012.pdf
Link: https://doi.org/10.21437/Interspeech.2012-407
Jagbandhu, K. S. Nataraj, and P. C. Pandey, "Detection of transition segements in VCV utterences for estimation of the place of closure of oral stops for speech training," Proc. 13th Annual Conference of the International Speech Communication Association (Interspeech 2012), Portland, Oregon, paper no. 497.
paper_jagbandhu_interspeech2012.pdf
Link: https://doi.org/10.21437/Interspeech.2012-144
V. K. Pandey, P. C. Pandey, N. J. Burkule, and L. R. Subramanyan, "Adaptive filtering for suppression of respiratory artifact in impedance cardiography," Proc. 33rd Annual Int. Conf. IEEE EMBS, Boston, Massachusetts, USA, pp 7932-7936. DOI: 10.1109/IEMBS.2011.6091956
paper_vkpandey_ieee_embc_2011.pdf
Link: https://doi.org/10.1109/iembs.2011.6091956
P. Mithun, P. C. Pandey, T. Sebastian, P. Mishra, and V. K. Pandey, "A wavelet-based technique for suppression of EMG noise and motion artifact in ambulatory ECG," Proc. 33rd Annual Int. Conf. IEEE EMBS, Boston, Massachusetts, USA, pp 7087-7090. DOI: 10.1109/IEMBS.2011.6091791
paper_pmithun_ieee_embc_2011.pdf
Link: https://doi.org/10.1109/IEMBS.2011.6091791
S. M. M. Naidu, P. C. Pandey, V. K. Pandey, "Automatic detection of characteristic points in impedance cardiogram," Computing in Cardiology 2011 (CinC 2011), Hangzhou, China, Paper P83.140, pp. 497-500
Link: https://ieeexplore.ieee.org/document/6164611
T. Sebastian, P. C. Pandey, S. M. M. Naidu, V. K. Pandey, "Wavelet based denoising for suppression of respiratory and motion artifacts in impedance cardiography," Computing in Cardiology 2011 (CinC 2011), Hangzhou, China, Paper P83.141, 501-504.
poster_tsebastian_cinc2011.pdf
Link: https://ieeexplore.ieee.org/document/6164612
D. S. Jangamashetti, A. N. Cheeran, P. N. Kulkarni, and P. C. Pandey, "Simulation of increased masking in sensorineural hearing loss for a preliminary evaluation of speech processing schemes," Proc. 20th Int. Congress on Acoustics 2010 (ICA 2010), Sydney, Australia, paper. no. 980.
paper_dsjangamashetti_ica2010.pdf
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Study of perceptual balance for designing comb filters for binaural dichotic presentation," Proc. 20th Int. Congress on Acoustics 2010 (ICA 2010), Sydney, Australia, paper. no. 556.
P. C. Pandey and S. K. Basha, "Enhancement of electrolaryngeal speech by spectral subtraction, spectral compensation, and introduction of jitter and shimmer," Proc.20th Int. Congress on Acoustics 2010 (ICA 2010), Sydney, Australia, paper. no. 670.
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Multi-band frequency compression for sensorineural hearing impairment," Proc. 16th IEEE International Conference on Digital Signal Processing 2009 (DSP 2009), Santorini, Greece, pp. 317-322. DOI: 10.1109/ICDSP.2009. 5201179
Link: https://doi.org/10.1109/ICDSP.2009.5201179
A. R. Jayan and P. C. Pandey, "Detection of stop landmarks using Gaussian mixture modeling of speech spectrum," Proc. 2009 IEEE Int. Conf. Acoustics, Speech and Signal Processing (IEEE/ICASSP 2009), Taipei, Taiwan, pp. 4681-4684. DOI: 10.1109/ICASSP.2009.4960675.
Link: https://doi.org/10.1109/ICASSP.2009.4960675
V. K. Pandey and P. C. Pandey, "Wavelet based cancellation of respiratory artifacts in impedance cardiography," Proc. 15th Int. Conf. Digital Signal Processing 2007 (DSP 2007), Cardiff, UK, pp. 191-194. DOI: 10.1109/ICDSP.2007.4288551
Link: https://doi.org/10.1109/ICDSP.2007.4288551
A. R. Jayan, P. C. Pandey, and P. K. Lehana, "Time-scaling of consonant-vowel transitions using harmonic-plus-noise model for improving speech perception by listeners with moderate sensorineural impairment," Proc. 19th Int. Congress Acoustics 2007 (ICA 2007), Madrid, Spain, paper. no. CAS-03-006.
M. S. Shah and P. C. Pandey, "Surface modeling of vocal tract shapes in transition segments of vowel-consonant-vowel syllables for estimation of place of closure," Proc. 19th Int. Congress Acoustics 2007 (ICA 2007), Madrid, Spain, paper. no. CAS-03-011.
P. N. Kulkarni and P. C. Pandey, "Effect of binaural dichotic presentation with critical bandwidth based comb filters on source localization," Proc. 19th Int. Congress Acoustics 2007 (ICA 2007), Madrid, Spain, paper. no. PPA-09-005.
M. S. Shah and P. C. Pandey, "Estimation of place of articulation in stop consonants for visual feedback," Proc. Interspeech 2007, Antwerp, Belgium, pp. 2477-2480.
paper_msshah_interspeech2007.pdf
Link: https://doi.org/10.21437/Interspeech.2007-659
G. R. Gangula, P. C. Pandey, and P. K. Lehana, "Application of harmonic plus noise model for enhancing speaker recognition," J. Acoust. Soc. Amer., vol. 120(5), pp. 3040-3041, 2006 (abstract).
abstract_grgangula_jasa_2006.pdf
P. N. Kulkarni and P. C. Pandey,
"Perceptually balanced filter response for binaural dichotic presentation
to reduce the effect of spectral masking," J. Acoust.
Soc. Amer., vol. 120(5), p. 3253, 2006 (abstract).
abstract_pnkulkarni_jasa_2006.pdf
P. K. Lehana
and P. C. Pandey, "Speech enhancement during analysis-synthesis by
harmonic plus noise model," J. Acoust. Soc.
Amer., vol. 120(5), p. 3039, 2006 (abstract).
abstract_pklehana_jasa_2006.pdf
P. Mitra
and P. C. Pandey, "Enhancement of electrolaryngeal
speech by spectral subtraction with minimum statistics-based noise
estimation," J. Acoust. Soc. Amer., vol. 120(5),
p. 3039, 2006 (abstract).
M. S. Shah and P. C. Pandey,
"Interpolation of vocal-tract shape during stop closures from transition
segments in vowel-consonant-vowel syllables," J. Acoust.
Soc. Amer., vol. 120(5), p. 3349, 2006 (abstract).
V. K. Pandey and P. C. Pandey, "Cancellation of respiratory artifact in impedance cardiography," Proc. 27th Annual Int. Conf. IEEE Eng. Med. Biol. Soc. 2005 (IEEE/EMBC 2005), Shanghai, China, pp. 5503-5506. DOI: 10.1109/IEMBS.2005.1615729
paper_vkpandey_ieee_embc_2005_a.pdf
Link: https://doi.org/10.1109/IEMBS.2005.1615729
V. K. Pandey, N. K. S. Naidu, and P. C. Pandey, "Tracking based baseline restoration circuit for acquisition of impedance cardiogram and other biosignals," Proc. 27th Annual Int. Conf. IEEE Eng. Med. Biol. Soc. 2005 (IEEE/EMBC 2005), Shanghai, China, pp. 3486-3489. DOI: 10.1109/IEMBS.2005.1617230.
paper_vkpandey_ieee_embc_2005_b.pdf
Link: https://doi.org/10.1109/IEMBS.2005.1617230
M. S. Shah and P. C. Pandey, "Estimation of vocal tract shape for VCV syllables for a speech training aid," Proc. 27th Annual Int. Conf. IEEE Eng. Med. Biol. Soc. 2005 (IEEE/EMBC 2005), Shanghai, China, Sept.1-4, pp. 6642-6645. DOI: 10.1109/IEMBS.2005.1616025
paper_msshah_ieee_embc_2005.pdf
Link: https://doi.org/10.1109/IEMBS.2005.1616025
P. K. Lehana and P .C. Pandey, "Harmonic plus noise model based speech synthesis in hindi and pitch modification," Proc. 18th Int. Congress on Acoustics 2004 (ICA 2004), Kyoto, Japan, pp. 3333-3336.
P. C. Pandey, S. S. Pratapwar, and P. K. Lehana, "Enhancement of electrolaryngeal speech by reducing leakage noise using spectral subtraction with quantile based dynamic estimation of noise," Proc. 18th Int. Congress on Acoustics 2004 (ICA 2004), Kyoto, Japan, pp. 3029-3032.
A. N. Cheeran and P. C. Pandey, "Evaluation of speech processing schemes using binaural dichotic presentation to reduce the effect of masking in hearing hearing-impaired listeners," Proc. 18th Int. Congress Acoustics 2004 (ICA 2004), Kyoto, Japan, pp. 1523-1526.
A. N. Cheeran and P .C. Pandey, "Speech processing for hearing aids for moderate bilateral sensorineural hearing loss," Proc. 2004 IEEE Int Conf Acoustics, Speech, Signal Proc 2004 (IEEE/ICASSP 2004), Montreal, Quebec, Canada, pp. IV.17-20. DOI: 10.1109/ICASSP.2004.1326752
paper_ancheeran_icassp2004.pdf
Link: https://doi.org/10.1109/ICASSP.2004.1326752
P. K. Lehana and P. C. Pandey, "The effect of SNR and GCI's purturbation on speech synthesis with harmonic plus noise model," Proc. 7th World Multiconference on Systemics, Cybernetics and Informatics 2003, (SCI 2003), Orlando, USA, pp. 396-401.
S. S. Pratapwar, P. K. Lehana, and P. C. Pandey, "Reduction of background noise in alaryngeal speech using spectral subtraction with quantile based noise estimation," Proc. 7th World Multiconference on Systemics, Cybernetics and Informatics 2003, (SCI 2003), Orlando, USA, pp. 408-413.
A. N. Cheeran
and P. C. Pandey, "Dichotic presentation for binaural hearing aids using
perceptually balanced critical bandwidth based comb filters," Proc. 7th
World Multiconference on Systemics,
Cybernetics and Informatics 2003, (SCI 2003), Orlando, USA, pp. 360-365.
P. K. Lehana
and P. C. Pandey, "Speech synthesis with pitch modification using harmonic
plus noise model," J. Acoust. Soc. Am., vol. 114(4), p. 2394, 2003 (abstract).
abstract_pklehana_jasa_2003.pdf
A. N. Cheeran, and P. C. Pandey, "Dichotic presentation to overcome the effect of increased spectral masking and frequency dependent hearing threshold shifts in persons with bilateral sensorineural hearing impairment," J. Acoust. Soc. Am., vol. 114(4), p. 2359, 2003 (abstract).
abstarct_ancheeran_jasa_2003.pdf
A. N. Cheeran, P. C. Pandey, and D. S. Jangamashetti, "Optimal sweep cycle for binaural dichotic presentation to improve speech perception in sensorineural hearing impairment," J. Acoust. Soc. Am., vol. 111(5), p. 2426, 2002 (abstract).
abstract_ancheeran_jasa_2002.pdf
P. C. Pandey, S. M. Bhandarkar, G. K. Bachher, and P .K. Lehana, "Enhancement of alaryngeal speech using spectral subtraction," Proc. 14th Int. Conf. Digital Signal Processing 2002, (DSP 2002), Santorini, Greece, pp. 591-594, DOI: 10.1109/ICDSP.2002.1028159
Link: https://doi.org/10.1109/ICDSP.2002.1028159
A. N. Cheeran and P. C. Pandey, "Optimizing the sweep cycle of time-varying comb filters for binaural dichotic presentation in sensorineural hearing impairment," Proc. 14th Int. Conf. Digital Signal Processing 2002 (DSP 2002), Santorini, Greece, pp. 1145 - 1148. DOI: 10.1109/ICDSP.2002.1028295
Link: https://doi.org/10.1109/ICDSP.2002.1028295
A. N. Cheeran, P. C. Pandey, and D. S. Jangamashetti, "Design of comb filters based on auditory filter bandwidths for binaural dichotic presentation for persons with sensorineural hearing impairment," Proc. 14th Int. Conf. Digital Signal Processing 2002 (DSP 2002), Santorini, Greece, pp. 971 - 974. DOI: 10.1109/ICDSP.2002.1028252
Link: https://doi.org/10.1109/ICDSP.2002.1028252
A. N. Cheeran, P. C. Pandey, and D. S. Jangamashetti, "Comb filters for Binaural dichotic presentation to improve speech perception by persons with bilateral sensorineural hearing impairment," J. Acoust. Soc. Am., vol. 110(5), p. 2705, 2001 (abstract).
abstract_ancheeran_jasa_2001.pdf
P. C. Pandey, D. S. Jangamashetti, and A. N. Cheeran, "Binaural dichotic presentation to reduce the effect of temporal and spectral masking in sensorineural hearing impairment," J. Acoust. Soc. Am., vol. 110(5), p. 2705, 2001 (abstract).
abstract_pcpandey_jasa_2001.pdf
D. S. Jangamashetti and P. C. Pandey, "Inter-aural switching with different fading functions for dichotic presentation to reduce the effect of temporal masking due to sensorineural hearing loss," Proc. 4th World Multi Conference on Systemics, Cybernetics and Informatics 2000 (SCI 2000), Orlando, Florida, USA, pp. 346-353.
paper_dsjangamashetti_sci2000.pdf
D. S. Chaudhari and P. C. Pandey, "Binaural audio in multimedia systems to improve auditory perception for the hearing impaired," Proc. 5th Int. Symp. Signal Proc. and Its Applications 1999 (ISSPA 1999), Brisbane, Australia, pp. 31-34. DOI: 10.1109/ISSPA.1999.818105
paper_dschaudhari_isspa1999_a.pdf
Link: https://doi.org/10.1109/ISSPA.1999.818105
D. S. Chaudhari and P. C. Pandey, "Critical band splitting of speech signal for reducing the effect of spectral masking in bilateral sensorineural hearing impairment," Proc. 5th Int. Symp. Signal Proc. and its Applications 1999 (ISSPA 1999), Brisbane, Australia, pp. 119-122. DOI: 10.1109/ISSPA.1999.818127
paper_dschaudhari_isspa1999_b.pdf
Link: https://doi.org/10.1109/ISSPA.1999.818127
D. S. Chaudhari and P. C. Pandey, "Dichotic presentation of speech signal with critical band filtering for improving speech perception," Proc. IEEE-Int. Conf. Acoustics Speech Signal Proc. 1998 (IEEE/ICASSP 1998), Seattle, Washington, USA, pp. 3601-3604. doi: 10.1109/ICASSP.1998.679658
paper_dschaudhari_icassp1998.pdf
https://doi.org/10.1109/ICASSP.1998.679658
D. S. Chaudhari and P. C. Pandey, "Dichotic presentation of speech signal using critical band filtering for bilateral sensorineural hearing impairment," Proc. 16th Int. Congress Acoustic 1998 (ICA 1998), Seattle, Washington, USA, pp. 213-214.
H. B. Nemade, T. Anjaneyulu, P. C. Pandey, "Sensing turbulence transit time by pulsed ultrasound for single-phase fluid flow measurement," Proc. IEEE Instrumentation and Measurement Technology Conference, 1997 (IMTC/97).Ottawa, Canada, vol. 2, pp 1066-1071. DOI: 10.1109/IMTC.1997.612364.
Link: https://doi.org/10.1109/IMTC.1997.612364.
T. G. Thomas, P. C. Pandey, and S. D. Agashe: "On the importance of consonant - vowel intensity ratio in speech enhancement for the hearing impaired," Proc. Int. Conf. Biomedical Engineering 1994 (BME'94), Hong Kong, pp. 181-184.
C. Papers in the Proceedings of National Conferences
H. Dasgupta and P. C. Pandey, ," Excitation epoch and voicing detection using Hilbert envelope with single-pass processing, " Proc. National Conference on Communications 2022 (NCC 2022), Mumbai, India, paper no. 1570706019. DOI: 10.1109/NCC55593.2022.9806818
Link: https://doi.org/10.1109/NCC55593.2022.9806818
P. H. Kachare, P. C. Pandey, V. Mane, H. Dasgupta, and K. S. Nataraj, "Speech-training aid with time-scaled audiovisual feedback of articulatory efforts," Proc. National Conference on Communications 2021 (NCC 2021), Kanpur, India, paper no. 1570706019. DOI: 10.1109/NCC52529.2021.9530135.
Link: https://doi.org/10.1109/NCC52529.2021.9530135
P. H. Kachare and P. C. Pandey, "A spectral variation function for variable time-scale modification of speech," Proc. National Conference on Communications 2021 (NCC 2021), Kanpur, India, paper no. 1570705929. DOI: 10.1109/NCC52529.2021.9530088
Link: https://doi.org/10.1109/NCC52529.2021.9530088
S. Sharma, N. Tiwari, and P. C. Pandey, "Implementation
of a digital hearing aid with user-settable frequency response and sliding-band
dynamic range compression as a smartphone app," Proc. Int. Conf. on
Intelligent Human Computer Interaction 2016 (IHCI
2016), Pilani, India, pp 173-186. DOI: 10.1007/978-3-319-52503-7_14
Link: https://doi.org/10.1007/978-3-319--7_14
R. Jain, K. S. Nataraj, and P. C. Pandey, "Dynamic display of vocal tract shape for speech training," Proc. National Conference on Communications 2016 (NCC 2016), Guwahati, India, paper no. 1570220186. DOI: 10.1109/NCC.2016.7561080.
Link: https://doi.org/10.1109/NCC.2016.7561080
N. Tiwari, P. C. Pandey, and A. Sharma, "A smartphone app-based digital hearing aid with sliding-band dynamic range compression," Proc. National Conference on Communications 2016 (NCC 2016), Guwahati, India, paper no. 1570227725. DOI: 10.1109/NCC.2016.7561146
Link: https://doi.org/10.1109/NCC.2016.7561146
S. G. Kambalimath, P. C. Pandey, P. N. Kulkarni, S. S. Mahant-Shetti, and S. G. Hiremath, "FPGA-based design of a hearing aid with frequency response selection through audio input," Proc. 29th International Conference on VLSI Design (VLSID 2016), Kolkata, India, pp. 579-580. DOI: 10.1109/VLSID.2016.87
Link: https://doi.org/10.1109/VLSID.2016.87
K. S. Nataraj and P. C. Pandey, "Place of articulation from direct imaging for validation of its estimation from speech analysis for use in speech training," Proc. 5th National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics 2015 (NCVPRIPG 2015), Patna, India, paper no. 88. DOI: 10.1109/NCVPRIPG.2015.7490008
paper_nataraj_ncvpripg2015.pdf
https://doi.org/10.1109/NCVPRIPG.2015.7490008
S. Jain, P. C. Pandey, and V. Rajbabu, "Lip contour detection for estimation of mouth opening area," Proc. 5th National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics 2015 (NCVPRIPG 2015), Patna, India, paper no. 92. DOI: 10.1109/NCVPRIPG.2015.7490009
paper_shreyansh_ncvpripg2015.pdf
Link: https://doi.org/10.1109/NCVPRIPG.2015.7490009
S. M. M. Naidu, U. R. Bagal, P. C. Pandey, S. Hardas, and N. D. Khambete, "Monitoring of stroke volume through impedance cardiography using an artificial neural network," Proc. National Conference on Communications 2015 (NCC 2015), Mumbai, India, paper no. 1570057501. DOI: 10.1109/NCC.2015.7084896
https://doi.org/10.1109/NCC.2015.7084896
N. Tiwari and P. C. Pandey, "Speech enhancement using noise estimation based on dynamic quantile tracking for hearing impaired listeners," Proc. National Conference on Communications 2015 (NCC 2015), Mumbai, India, paper no. 1570056299. DOI: 10.1109/NCC.2015.7084849
Link: https://doi.org/10.1109/NCC.2015.7084849
S. G. Kambalimath, P. C. Pandey, P. N. Kulkarni, S. S. Mahant-Shetti, and S. G. Hiremath, "FPGA-based implementation of comb filters using sequential multiply-accumulate operations for use in binaural hearing aids," Proc. 11th Annual Conference of the IEEE India Council (IEEE Indicon 2014), Pune, India, paper no. 422. DOI: 10.1109/INDICON.2014.7030433
paper_shankar_indicon2014_422.pdf
https://doi.org/10.1109/INDICON.2014.7030433
R. Holani, P. C. Pandey, and N. Tiwari, "A JFET-based circuit for realizing a precision and linear floating voltage-controlled resistance," Proc. 11th Annual Conference of the IEEE India Council (IEEE Indicon 2014), Pune, India, paper no. 1098. DOI: 10.1109/INDICON.2014.7030568
paper_rani_indicon2014_1098.pdf
Link: https://doi.org/10.1109/INDICON.2014.7030568
S. M. M. Naidu, U. R. Bagal, P. C. Pandey, S. Hardas, and N. D. Khambete, "Detection of characteristic points of impedance cardiogram and validation using Doppler echocardiography," Proc. 11th Annual Conference of the IEEE India Council (IEEE Indicon 2014), Pune, India, paper no. 1199. DOI: 10.1109/INDICON.2014.7030596
paper_smmnaidu_indicon2014_1199.pdf
Link: https://doi.org/10.1109/INDICON.2014.7030596
N. Tiwari and P. C. Pandey, "A sliding-band dynamic range
compression for use in hearing aids," Proc. National Conference on
Communications 2014 (NCC 2014), Kanpur, India, paper no. 1569847357. DOI: 10.1109/NCC.2014.6811300
Link: https://doi.org/10.1109/NCC.2014.6811300
P. Kumar and P. C. Pandey, "A wearable inertial sensing device for fall detection and motion tracking," Proc. 10th Annual Conference of the IEEE India Council (IEEE Indicon 2013), Mumbai, India, paper no. 1084. DOI: 10.1109/INDCON.2013.6725876
paper_praveen_indicon2013_1084.pdf
https://doi.org/10.1109/INDCON.2013.6725876
N. Tiwari, S. K. Waddi, and P. C. Pandey, "Speech enhancement and multi-band frequency compression for suppression of noise and intraspeech spectral masking in hearing aids," Proc. 10th Annual Conference of the IEEE India Council (IEEE Indicon 2013), Mumbai, India, paper no. 524. DOI: 10.1109/INDCON.2013.6726008
paper_nitya_indicon2013_524.pdf
Link: https://doi.org/10.1109/INDCON.2013.6726008
S. G. Kambalimath, P. C. Pandey,
P. N. Kulkarni, S. S. Mahant-Shetti, and S. G. Hiremath, "FPGA based implementation of comb filters
for use in binaural hearing aids for reducing intraspeech
spectral masking," Proc. 10th Annual Conference of the IEEE India Council
(IEEE Indicon 2013), Mumbai, India, paper no. 531 DOI: 10.1109/INDCON.2013.6726012
paper_shankar_indicon2013_531.pdf
Link: https://doi.org/10.1109/INDCON.2013.6726012
S. K. Waddi, P. C. Pandey, and N. Tiwari, "Speech enhancement using spectral subtraction and cascade-median based noise estimation for hearing impaired listeners," Proc. National Conference on Communications 2013 (NCC 2013), Delhi, India, paper no. 1569696063. DOI: 10.1109/NCC.2013.6487989.
Link: https://doi.org/10.1109/NCC.2013.6487989
S. Saha and P. C. Pandey, "Estimation of the area of mouth opening during speech production," Proc. 8th Indian Conf. Vision Graphics and Image Process. (ICVGIP 2012), Mumbai, India, paper no. 315. DOI: 10.1145/2425333.2425360
https://doi.org/10.1145/2425333.2425360
S. K. Basha and P. C. Pandey, "Real-time enhancement of electrolaryngeal speech by spectral subtraction," Proc. National Conference on Communications 2012 (NCC 2012), Kharagpur, India, pp. 516-520, paper no. 1569507449. DOI: 10.1109/NCC.2012.6176807
Link: https://doi.org/10.1109/NCC.2012.6176807
N. S. Nayak, R. Velmurugan, P. C. Pandey, and S. Saha, "Estimation of lip opening for scaling of vocal tract area function for speech training aids," Proc. National Conference on Communications 2012 (NCC 2012), Kharagpur, India, pp. 521-525, paper no. 1569512157. DOI: 10.1109/NCC.2012.6176814.
Link: https://doi.org/10.1109/NCC.2012.6176814
A. R. Jayan and P. C.
Pandey, "Automated CVR modification for improving perception of stop
consonants," Proc. National Conference on Communications 2012 (NCC 2012), Kharagpur, India, pp. 698-702, paper no. 1569512651. DOI: 10.1109/NCC.2012.6176829
Link: https://doi.org/10.1109/NCC.2012.6176829
A. R. Jayan, P. S. Rajath Bhat, and P. C. Pandey, "Detection of burst onset landmarks in speech using rate of change of spectral moments," Proc. National Conference on Communications 2011 (NCC 2011), Bangalore, India, paper SpPrI.3. DOI: 10.1109/NCC.2011.573472
Link: https://doi.org/10.1109/NCC.2011.5734728
P. K. Lehana and P. C. Pandey,
"Transformation of short-term spectral envelope of speech signal using
multivariate polynomial modeling," Proc. National Conference on
Communications 2011 (NCC 2011), Bangalore, India, paper SpPrII.2. DOI: 10.1109/NCC.2011.5734732
Link: https://doi.org/10.1109/NCC.2011.5734732
K. S. Nataraj, Jagbandhu,
P. C. Pandey, and M. S. Shah, "Improving the consistency of vocal tract
shape estimation," Proc. National Conference on Communications 2011 (NCC
2011), Bangalore, India, paper SpPrII.4. DOI: 10.1109/NCC.2011.573472
Link: https://doi.org/10.1109/NCC.2011.5734729
B. B. Patil, P. C. Pandey, V. K. Pandey, and S. M. M. Naidu, "A high sensitivity bioimpedance detector," Proc. National Conference on Virtual and Intelligent Instrumentation 2009 (NCVII -09), BITS Pilani, India, paper 9B.1.
B. B. Patil, V. K. Pandey, and P. C. Pandey, "A microcontroller based thorax simulator for testing and calibration of impedance cardiographs," Proc. Int. Symp. on Emerging Areas in Biotechnology & Bioengineering 2009 (ISEABB 2009), Mumbai, India, pp. 122-124.
V. K Pandey and P. C. Pandey, "Wavelet based denoising for suppression of motion artifacts in impedance cardiography," Proc. Int. Symp. on Emerging Areas in Biotechnology & Bioengineering 2009 (ISEABB 2009), Mumbai, India, pp. 66-67.
A. R. Jayan and P. C. Pandey, "Automated detection of speech landmarks using Gaussian mixture modeling," Proc. Int. Symposium on Frontiers of Research on Speech and Music 2008 (FRSM 2008), Kolkata, India, pp. 323-327.
M. S. Shah and P. C. Pandey, "Estimation of place of constriction during stop closures by bivariate surface modeling," Proc. Int. Symposium on Frontiers of Research on Speech and Music 2008 (FRSM 2008), Kolkata, India, pp. 161-166.
P. N. Kulkarni, P. C. Pandey, and D. S. Jangamashetti, "Study of perceptual balance in comb filter based spectral splitting of speech signal to reduce the effect of frequency masking," Proc. Int. Symposium on Frontiers of Research on Speech and Music 2008 (FRSM 2008), Kolkata, India, pp. 101-105.
P. K. Lehana and P. C. Pandey, "Speaker transformation using quadratic surface interpolation," Proc. 14th National Conf. Communications 2008 (NCC 2008), Bombay, India, pp. 190-194.
A. R. Jayan, P. C. Pandey, and V. K. Pandey, "Detection of acoustic landmarks with high resolution for speech processing," Proc. 14th National Conf. Communications 2008 (NCC 2008), Bombay, India, pp. 427-431.
P. N. Kulkarni and P. C. Pandey, "Frequency mapping for multi-band frequency compression for improving speech intelligibility," Proc. 14th National Conf. Communications 2008 (NCC 2008), Bombay, India, pp. 437-441.
A. R. Jayan, P. C. Pandey, and P. K. Lehana, "Automated detection of transition segments for intensity and time-Scale modification for speech intelligibility enhancement," Proc. IEEE Int. Conf. Signal Processing, Communications, Networking 2008 (ICSCN 2008), Chennai, India, pp. 69-74. doi: 10.1109/ICSCN.2008.4447162
Link: https://doi.org/10.1109/ICSCN.2008.4447162
P. N. Kulkarni and P. C. Pandey, "Optimizing the comb filters for spectral splitting of speech to reduce the effect of spectral masking," Proc. IEEE Int. Conf. Signal Processing, Communications, Networking 2008 (ICSCN 2008), Chennai, India, pp. 75-79. DOI: 10.1109/ICSCN.2008.4447163
paper_pnkulkarni_icscn2008.pdf
Link: https://doi.org/10.1109/ICSCN.2008.4447163
V. K. Pandey and P. C. Pandey, "Improved detection of ventricular ejection time for impedance cardiography," Proc. Indian Conf. on Medical Informatics and Telemedicine 2005 (ICMIT 2005), Kharagpur, India, pp. 146-149.
V. K. Pandey, N. S. Manigandan, and P. C. Pandey, "A tracking-based drift cancellation circuit for bio-signal acquisition," Proc. Int. Conf. on Instrumentation 2004 (INCON 2004), Pune, India.
P. K. Lehana, P. C. Pandey, S. S. Pratapwar, and R. Gupta, "Use of harmonic plus noise model for reduction of self leakage in electroalaryngeal speech," Proc. Int. Conf. Systemics, Cybernetics and Informatics 2004 (ICSCI 2004), Hyderabad, India, pp. 366-370.
S. S. Pratapwar and P. C. Pandey, "Quantile based noise estimation for spectral subtraction of self leakage noise in electroalaryngeal speech," Proc. Int. Conf. Systemics, Cybernetics and Informatics 2004 (ICSCI 2004), Hyderabad, India, pp. 342-347.
paper_sspratapwar_icsci2004.pdf
A. M. Surve, P. C. Pandey, S. S. Pratapwar, V. K. Pandey, and N. S. Manigandan, "Enhancement of radial arterial pulse by spectral subtraction," Proc. Int. Conf. Systemics, Cybernetics and Informatics 2004 (ICSCI 2004), Hyderabad, India, pp. 323-326.
M. S. Shah and P. C. Pandey, "Estimation of vocal tract shape during stop closures," Proc. Int. Conf. Systemics, Cybernetics and Informatics 2004 (ICSCI 2004), Hyderabad, India , pp. 304-309.
A. N. Cheeran and P. C. Pandey, "Binaural dichotic presentation for moderate bilateral sensorineural hearing-impaired," Proc. Int. Conf. Systemics, Cybernetics and Informatics 2004 (ICSCI 2004), Hyderabad, India, pp. 377-382.
P. K. Lehana and P. C. Pandey, "Effect of GCI perturbation on speech quality in Indian languages," Proc. Convergent Technologies for the Asia Pacific 2003 (IEEE TENCON-2003), Bangalore, vol. 3, pp. 959-963. DOI:10.1109/TENCON.2003.1273389
paper_pklehana_ieee_tencon2003.pdf
Link: https://doi.org/10.1109/TENCON.2003.1273389
N. S. Manigandan, V. K. Pandey, and P. C. Pandey, "Thoracic simulator for impedance cardiography," Proc. National Symposium on Instrumentation 2003 (NSI-28), Pantnagar, India, pp. 1-6.
paper_nsmanigandan_nsi28_2003.pdf
M. S. Shah and P. C. Pandey, "Areagram display for investigating the estimation of vocal tract shape for a speech training aid," Proc. Symposium on Frontiers of Research on Speech and Music 2003 (FRSM 2003), IIT Kanpur, India, pp. 121-124.
P. K. Lehana and P. C. Pandey, "Perturbation in GCIs and speech quality for pitch synchronous synthesis," Proc. Symposium on Frontiers of Research on Speech and Music 2003 (FRSM 2003), IIT Kanpur, India, pp. 86-94.
P. K. Lehana and P. C. Pandey, "Improving quality of speech synthesis in Indian languages," Proc. Workshop on Spoken Language Processing 2003 (WSLP 2003), Mumbai, India, pp. 149-155.
P. K. Lehana and P. C. Pandey, "Speech synthesis in Indian languages," Proc. Int. Conf. Universal Knowledge and Language 2002 (ICUKL 2002), Goa, India, paper 14.
V. V. Kamble, P. C. Pandey, C. P. Gadgil, and D. S. Choudhary, "Monitoring of intravenous drip rate," Proc. Int. Conf. Biomedical Engineering 2001 (Bio Vision 2001), Bangalore, India, pp. 51-55
paper_vvkamble_biovision2001.pdf
D. S. Jangamashetti, P. C. Pandey, and A. N. Cheeran, "Time varying comb filters to reduce spectral and temporal masking in sensorineural hearing impairment," Proc. Int. Conf. Biomedical Engineering 2001 (Bio Vision 2001), Bangalore, India, pp. 258-263.
paper_dsjangamashetti_biovision2001.pdf
P. K. Lehana and P. C. Pandey, "A low cost impedance glottograph and glottal pitch analyzer," Proc. Int. Conf. Biomedical Engineering 2001 (Bio Vision 2001), Bangalore, India, pp. 33-37.
paper_pklehana_biovision2001.pdf
D. S. Jangamashetti and P. C. Pandey, "Dichotic presentation with inter-aural switching for reducing the effect of temporal masking due to sensorineural hearing loss," Proc. National Conf. Biomedical Engineering 2000 (NCBME 2000), Roorkee, India, pp. 346-353.
paper_dsjangamashetti_roorkee2000.pdf
D. S. Chaudhari and P. C. Pandey, "A DSP board based spectrographic analyzer," National Conf. Electronic Materials, Devices and Systems 1999 (NCEMDS 1999), Gulbarga, Karnataka, India.
paper_dschaudhari_ncemds1999.pdf
D. S. Chaudhari
and P. C. Pandey, "Real Time speech processing for dichotic presentation
in binaural hearing aids," Proc. National Conference on Biomedical
Engineering 1998 (NCBME 1998), Manipal, Karnataka,
India, pp. II.45-47.
paper_dschaudhari_manipal1998.pdf
S. S. Mayekar,
P. C. Pandey, and R. K. Shevgaonkar, "A
text-to-speech converter for reading aid for the blind," Proc. National
Conference on Biomedical Engineering 1998 (NCBME 1998), Manipal,
Karnataka, India, pp. VII.4-6.
abstract_ssmayekar_manipal1998.pdf
paper_ssmayekar_manipal1998.pdf
M. S. Chitnis
and P. C. Pandey, "Extraction of voice pitch by measuring impedance
variation across the thyroid cartilage," Proc. National Conference on
Biomedical Engineering 1998 (NCBME 1998), Manipal,
Karnataka, India, pp. II.10-12.
abstract_mschitnis_manipal1998.pdf
paper_mschitnis_manipal1998.pdf
D. S. Chaudhari
and P. C. Pandey, "Splitting of speech by critical band filtering for
bilateral sensorineural hearing impairment," Indian Association for
Biomedical Scientists Conference 1997 (IABMS 1997), New Delhi, India.
paper_dschaudhari_iabms_delhi1997.pdf
H. B. Nemade,
T. Anjaneyulu, P. C. Pandey, "Single-phase fluid
flow measurement by pulsed ultrasound using cross correlation technique,"
Proc. Symposium on Advances in Nuclear and Allied Instrumentation 1997
(SANAI-97), BARC Mumbai, pp. 175 - 179.
M. Ingle and P. C. Pandey,
"Cardiac output monitoring with an impedance cardiograph," Proc.
First Regional Conf. IEEE/EMBS 1995, New Delhi, India.
abstract_mingle_ieee_embs_1995.pdf
paper_mingle_ieee_embs_1995.pdf
P. C. Pandey, "Non-invasive
Cardiac Output Monitoring," Proc. Workshop on Instrumentation for
Cardio-vascular Monitoring and Therapy 1995, Cardiological
Society of India, Bombay.
S. M. Joshi and P. C. Pandey,
"An impedance cardiograph," Proc. Second Biomedea
Symp. 1994, IIT Bombay, Mumbai, pp. 23-25.
S. M. Joshi and P. C. Pandey,
"Drift cancellation circuit," Proc. Second Biomedea
Symp. 1994, IIT Bombay, Mumbai, pp. 57-58.
C. P. Gadgil,
T. Anjaneyulu, and S. C. Sahasrabudhe,
"Study of influence of temperature on acoustic properties of materials for
ultrasound thermometry," Proc. International Conference on Recent Advances
in Biomedical Engineering 1994, Hyderabad, India, pp.110-113.
abstract_cpgadgil_osmania1994.pdf
paper_cpgadgil_osmania1994.pdf
T. G. Thomas, P. C. Pandey, and S.
D. Agashe, "A PC-based spectrograph for speech
and biomedical signals," Proc. International Conference on Recent Advances
in Biomedical Engineering 1994, Hyderabad, India, pp.7-10.
abstract_tgthomas_osmania1994.pdf
paper_tgthomas_osmania1994.pdf
N. D. Khambete
and P. C. Pandey, "A speech training aid for the deaf," Proc.
International Conference on Recent Advances in Biomedical Engineering 1994,
Hyderabad, India, p. 287 (abstract).
abstract_ndkhambete_osmania1994.pdf
paper_ndkhambete_osmania1994.pdf
S. M. Joshi and P. C. Pandey,
"A cardiac output monitor using impedance plethysmography," Proc.
International Conference on Recent Advances in Biomedical Engineering 1994,
Hyderabad, India, pp.157-160.
abstract_smjoshi_osmania1994.pdf
D. Patents and Patent Applications
P. C. Pandey, P. H. Kachare, H. Dasgupta, K. S. Nataraj, and V. Mane, "Method and system for time-scaled audiovisual feedback of speech production efforts," PCT Application Publication No. WO/2023/007509, 02 Feb 2023, PCT Application No. PCT/IN2022/050658, 22 Jul 2022. Indian Patent No. 551903, 04 Oct 2024, Indian Patent Application No. 202121033606, 27 Jul 2021.
P. C. Pandey, N. Tiwari, and S. Sharma, "Personal communication device as a hearing aid with real-time interactive user interface," US Patent No. US 11445307 B2, 13 Sept 2022, US Patent Application Publication No. US 2021/0329389 A1, 21 Oct 2021, US Patent Application No. 17/272507, 30 Aug 2019. PCT Publication No. WO/2020/044377, 05 Mar 2020, PCT Application No. PCT/IN2019/050630, 30 Aug 2019. Indian Patent No. 465425, 02 Nov 2023, Indian Patent Application No. 201821032763, 31 Aug 2018.
P. C. Pandey, H. Dasgupta, and K. S. Nataraj, "Real-time pitch tracking by detection of glottal excitation epochs in speech signal using Hilbert envelope," US Patent No. US 11443761 B2, 13 Sep 2022, US Patent Application Publication No. US 2021/0201938 A1, 01 Jul 2021, US Patent Application No. 17/271308, 03 Aug 2019. PCT Publication No. WO/2020/044362, 05 Mar 2020, PCT Application No. PCT/IN2019/050571, 03 Aug 2019. Indian Patent No. 441636, 31 Jul 2023, Indian Patent Application No. 201821032901, 01 Sep 2018.
P. C. Pandey, S. Debbarma, V.
Marla, N. Tiwari, R. Holani, and D. K. Sharma,
"Continuously variable precision and linear floating resistor using
metal-oxide-semiconductor field-effect transistors," US Patent No. US
11031158 B2, 08 Jun 2021, US Patent Application Publication No. US 2020/0251260
A1, 06 Aug 2020, US Patent Application No. 16/75764801, 16 Nov 2018. PCT
Publication No. WO 2020/035873, 20 Feb 2020, PCT Application No. PCT/IN2018/050760,
16 Nov 2018. Indian Patent No. 507755, 06 Feb 2024, Indian Patent Application
No. 201821030404, 13 Aug 2018.
patent
P. C. Pandey and N. Tiwari, "Method and system for suppressing noise in speech signals in hearing aids and speech communication devices," US Patent No. US 10032462 B2, 24 July 2018, US Patent Application Publication No. US 2017/0032803 A1, 02 Feb 2017, US Patent Application No. 15/303435, 11 Oct 2016. PCT Publication No. WO/2016/135741, 01 Sep 2016, PCT Application No. PCT/IN2015/000183, 24 Apr 2015. Indian Patent No. 372408, 22 Jul 2021, Indian Patent Application No. 640/MUM/2015, 26 Feb 2015.
P. C. Pandey, A. R. Jayan, and N. Tiwari, "Method and system for consonant-vowel ratio modification for improving speech perception," US Patent No. US 10176824 B2, US Patent Application Publication No. US 2016/0365099 A1, 15 Dec 2016, US Patent Application No. 15/121,599, 25 Aug 2016. PCT Publication No. WO/2015/132798, 11 Nov 2015, PCT Application No. PCT/IN2015/000048, 27 Jan 2015. Indian Patent No. 375330, 25 Aug 2021, Indian Patent Application No. 739/MUM/2014, 04 Mar 2014.
P. C.
Pandey and N. Tiwari, "Dynamic range compression with low distortion for
use in hearing aids and audio systems," US Patent No. 9672834 B2, 06 Jun
2017, US Patent Application Publication No. US 2016/0336015 A1, 17 Nov 2016, US
Patent Application No. 15/113271, 21 Jul 2016. PCT Publication No.
WO/2015/111084, 30 Jul 2015, PCT Application No. PCT/IN2015/000049,
27 Jan 2015. Indian Patent No. 374587, 16 Aug 2021, Indian Patent Application
No. 290/MUM/2014, 27 Jan 2014.
E. Databases
S. M. M. Naidu, U. R. Bagal, P. C. Pandey, and S. P. Hardas,
"IITB-ICG: An impedance cardiography (ICG) database with Doppler echocardiography
as the reference", SPI Lab, EE Dept, Indian
Institute of Technology Bombay, India, 2025.
IITB-ICG-Database (IEEE Dataport)
* * * * *