Method and apparatus for hybrid coding of speech at 4KBPS...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C704S214000, C704S219000, C704S220000

Reexamination Certificate

active

06475245

ABSTRACT:

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
REFERENCE TO A MICROFICHE APPENDIX
Not Applicable
BACKGROUND REFERENCE
The following publications which are sometimes referred to herein using numbers inside square brackets (e.g., [1]) are provided for those desiring a more detailed look at the technical background discussed in the section:
[1] E. Shlomot, V. Cuperman, and A. Gersho, “Combined Harmonic and Waveform Coding of Speech at Low Bit Rates,” ICASSP '98, April 1998.
[2] ITU-T, Telec. Stand. Sector, Geneva, Switzerland,
Dual Rate Speech Coder for Multimedia Communications Transmitting at
5.3 & 6.3
Kbit/s,
October 1995.
[3] T. E. Tremain, “The government standard linear prediction coding algorithm: LPC-10,”
Speech Technology,
pp. 40-49, April 1982.
[4] L. B. Almeida and J. M. Tribolet, “Non-stationary spectral modeling of voiced speech,”
IEEE Trans. Acoust., Speech and Sig. Process.,
vol. 31, pp. 664-678, June 1993.
[5] P. Hedelin, “High quality glottal LPC-vocoding,” in Proc.
IEEE Intr. Conf. Acoust., Speech, Sig. Process.,
pp. 465-468, 1986.
[6] R. J. McAulay and T. F. Quatieri, “Sinusoidal coding,” in
Speech Coding and Synthesis
(W. B. Kleijn and K. K. Paliwal eds,), Amsterdam: Elsevier Science Publishers, 1995.
[7] D. W. Griffin and J. S. Lim, “Multi-band excitation vocoder,”
IEEE Trans. Acoust., Speech and Sig. Process.,
vol. 1, pp. 1223-1235, August 1998.
[8] Digital Voiced System, Inc.,
Inmarsat
-
M Voice Codec Specification, Version
2, 1991.
[9] W. B. Kleijn, “encoding speech using prototype waveform,”
IEEE Trans. Acoust., Speech and Sig. Process.,
vol. 1, pp. 386-399, October 1993.
[10] Y. Shoham, “High-quality speech coding at 2.4 to 4.0 kbps based on time-frequency interpolation,” in Proc.
IEEE Intr. Conf. Acoust., Speech, Sig. Process.,
pp. 167-170, 1993. Vol. II.
[11] A. McCree and T. P. Barnwell III, “A mixed excitation LPC vocoder model for low bit rate speech coding,”
IEEE Trans. Speech, Audio Process.,
vol. 3, pp. 242-250, July 1995.
[12] A. El-Jaroudi and Makhoul, “Discrete all-pole modeling,” IEEE
Trans. Sig. Process.,
vol. 39, pp 441-423, February 1991.
[13] M. Nishiguchi, J. Matsumoto, R. Wakatsuki, and S. Ono, “Vector quantized MBE with simplified v/uv division at 3.0 kbps,” in
Proc. IEEE Inter. Conf. Acoust., Speech, Sig. Process.,
pp. II151-II154, 1993.
[14] A. Das, A. V. Rao, and A. Gersho, “Variable-dimension vector quantization of speech spectra for low-rate vocoders,” in
Proc. Data Comp. Conf.,
pp. 421-429, 1994.
[15] P. Lupini and V. Cuperman, “Non-square transform vector quantization for low-rate speech coding,” in
Proc. IEEE Speech Coding Workshop,
(Annapolis, Md., USA), pp. 87-89, 1995.
[16] ITU-T, Telec. Stand. Sector, Geneva, Switzerland,
Test plan for the ITU
-
T
4
kbit/s speech coding algorithm,
September 1997.
[17] I. M. Trancoso, L. B. Almeida, and J. M. Tribolet, “A study on the relationships between stochastic and harmonic coding,” in
Proc. IEEE Inter. Conf. Acoust., Speech, Sig. Process.,
pp. 1709-1712, 1986.
[18] M. Nishiguchi, K. Lijima, and J. Matsumoto, “Harmonic vector excitation coding of speech at 2.0 kpbs,” in
Proc. IEEE Speech Coding Workshop,
(Pocono Manor, Pa., USA), pp. 39-40, 1997.
[19] W. R. Gardner and B. D. Rao, “Noncausal all-pole modeling of voiced speech,”
IEEE Trans. Speech, Audio Process.,
vol 5, pp. 1-10, January 1997.
[20] X. Sun, F. Plante, B, M. G. Cheetham, and K. W. T. Wong, “Phase modeling of speech excitation for low bit-rate sinusodial transform coding,” in
Proc. IEEE Intra Conf. Acoust., Speech, Sig. Process.,
pp. 1691-1694, 1997. Vol III.
[21] M. W. Macon and M. A. Clements, “Sinusodial modeling and modification of unvoiced speech,”
IEEE Trans. Speech, Audio Process.,
vol. 5, pp. 557-560, September 1997.
[22] M. Nishiguchi and J. Matsumoto, “Harmonic and noise coding of LPC residuals with classified vector quantization,” in
Proc. IEEE Intra. Conf. Acoust., Speech, Sig. Process.,
pp. 484-487, 1995.
[23] W. B. Kleijn, Y. Shoham, D. Sen, and R. Hagen, “A low-complexity waveform interpolation coder,” in
Proc. IEEE Intra. Conf. Acoust., Speech, Sig. Process.,
pp. 212-215. 1996.
[24] S. Yeldener, A. M. Kondoz, and B. G. Evans, “High quality multiband LPC coding of speech at 2.4 kbit/s,”
Electronic Letters,
vol. 27, pp. 1287-12889, July 1991.
[25] V. Cuperman, P. Lupini, and B. Bhattacharya, “Special excitation coding of speech at 2.4 kb/s,” in
Proc. IEEE Intra. Conf. Acoust., Speech, Sig, Process.,
pp. 496-499, 1995.
[26] International Telecommunications Union, Draft Recommendation G.729, “coding of speech at 8 kbit/s using Conjugate Structure Algebraic Code Excited Linear Prediction (CS-ACELP), version 6.51, Feb. 5, 1996.
[27] W. P. LeBlanc, B. Bhattacharya, S. A. Mahmoud, and V. Cuperman, “Efficient search and design procedure for robust multi-stage VQ of LPC parameters for 4 kb/s speech coding,”
IEEE Trans. Speech, Audio Process.,
vol. 1, pp. 373-385, October 1993.
[28] E. Shlomot, “Delayed decision switched prediction multi-stage LSF quantization,” in
Proc. IEEE Speech Coding Workshop,
(Annapolis, Md., USA), pp. 45-46, 1995.
[29] K. K. Paliwal and B. S. Atal, “Efficient vector quantization of LPC parameters at 24 bits/frame,”
IEEE Trans, Speech, Audio Process.,
vol. 1, pp. 3-14, January 1993.
[30] S. Wang and A. Gersho, “Phonetic segmentation for low rate speech coding,” in
Advances in Speech Coding
(B. S. Atal, V. Cuperman, and A. Gersho, eds.) Boston/Dordrecht/London: Kluwer Academic Publications, 1991.
[31] A. Das, E. Paksoy, and A. Gersho, “Multimode and variable-rate coding of speech,” in
Speech Coding and Synthesis
(W. B. Kleijn and K. K. Paliwal, eds.), Amsterdam: Elsevier Science Publishers, 1995.
[32] A. Benyassine, E. Shlomot, H.-Y. Su, and E. Yuen, “A robust low complexity voice activity detection algorithm for speech communications systems.” In
Proc. IEEE Speech Coding Workshop,
(Pocono Manor, Pa., USA), pp. 97-98, 1997.
[33] S. Haykin,
Neural Networks.
New York: Macmillan College Publishing Company, 1994.
[34] T. Wang, K. Tang, and C. Geng, “A high quality MBE-LPC speech coder at 2.4 kbps and 1.2 kbps,” in
Proc. IEEE Intra. Conf. Acoust., Speech. Sig. Process.,
pp. 208-211. 1996. Vol. I.
[35] A. Das, A. V. Rao, and A. Gersho, “Variable dimension vector quantization,”
IEEE Sig. Process. Letters,
vol. 3, pp. 200-202, July 1996.
[36] J. Thyssen, W. B. Kleijn, and R. Hagen, “Using a preception-based frequency scale in waveform interpolation,” in
Proc. IEEE Intra. Conf. Acoust., Speech. Sig. Process.,
pp. 1595-1598, 1997.
[37] E. Shlomot, V. Cuperman, and A. Gersho, “Hybrid coding of speech at 4 kbps,” in
Proc. IEEE Speech Coding Workshop,
(Pocono Manor, Pa., USA), pp. 37-38, 1997.
[38] I. S. Burnett and D. H. Pham, “Multi-prototype waveform coding using frame-by-frame analysis-by-synthesis,” in
Proc. IEEE Intr. Conf. Acoust., Speech, Sig, Process.,
pp. 1567-1570, 1997.
[39] M. Schroeder and B. S. Atal, “Code-excited linear prediction (CELP): High-quality speech at very low bit rates,” in
Proc. IEEE Intra. Conf. Acoust., Speech, Sig. Process.,
pp. 937-940, 1985.
[40] W. B. Kleijn, P. Kroon, D. Nahumi, “The RCELP speech-coding algorithm”,
European Trans. on Telecommunications and Related Technologies,
Vol. 5, September-October 1994, pp. 573-582.
[41] W. B. Kleijn, R. P. Ramachandran, P. Kroon, “Generalized analysis-by-synthesis coding and its application to pitch prediction”,
Proc. ICASSP'
92, Vol. 1, 1992, pp. 337-340.
[42] W. B. Kleijn, D. Nahumi, U.S. Pat. No. 5,704,003, “RCELP Coder.”
[43] TIA Draft standard, TIA/EIA/IS-127, Enhanced Variable Rate Codec (

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for hybrid coding of speech at 4KBPS... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for hybrid coding of speech at 4KBPS..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for hybrid coding of speech at 4KBPS... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2962433

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.