Digital speech: coding for low bit rate communication by A. M. Kondoz

By A. M. Kondoz

This newly up to date publication covers all elements of electronic speech coding from an creation to the historical past, sampling and research, quantisation tools and coders via to the new learn in components comparable to voice job detection and speech enhancement.

It has a few new and up to date chapters that boost the foundations specified by the 1st variation and convey the know-how defined thoroughly up-to-date.  New chapters contain:

  •  ‘Harmonic Coders’
  •  ‘Integration of harmonic and research through synthesis coders’
  •  ‘Voice task Detection’ 
  •  ‘Speech Enhancement’

it's the simply publication on hand that covers most of these parts in one textual content that's perfect for training communications engineers, researchers and builders of communications structures and senior undergraduate scholars in electric and digital engineering.


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Example text

Of Int. Conf. , Speech and Signal Processing, pp. 461–4. April 1990. Albuquerque, NM, USA [43] T. Honkanen, J. Vainio, K. Jarvinen, and P. Haavisto (1997) ‘Enhanced full rate speech coder for IS-136 digital cellular system’, in Proc. of Int. Conf. , Speech and Signal Processing, pp. 731–4. May 1997. Munich [44] T. E. Tremain (1982) ‘The government standard linear predictive coding algorithm: LPC-10’, in Speech Technology, 1:40–9. [45] J. P. Campbell Jr and T. E. Tremain (1986) ‘Voiced/unvoiced classification of speech with applications to the US government LPC-10e algorithm’, in Proc.

20 Coding Strategies and Standards [18] E. Lee (1988) ‘Programmable DSP architectures’, in IEEE ASSP Magazine, October 1988 and January 1989. [19] ITU-T (1988) Pulse code modulation (PCM) of voice frequencies, ITU-T Rec. 711. [20] ITU-T (1990) 40, 32, 24, 16 kbit/s adaptive differential pulse code modulation (ADPCM), ITU-T Rec. 726. 3 kbit/s, ITU-T Rec. 1. [22] ITU-T (1992) Coding of speech at 16 kbit/s using low-delay code excited linear prediction, ITU-T Rec. 728. [23] ITU-T (1996) Coding of speech at 8 kbit/s using conjugate-structure algebraiccode-excited linear prediction (CS-ACELP), ITU-T Rec.

Atal and M. R. Schroeder (1984) ‘Stochastic coding of speech at very low bit rates’, in Proc. Int. Conf. Comm, pp. 1610–13. Amsterdam [8] M. Schroeder and B. Atal (1985) ‘Code excited linear prediction (CELP): high quality speech at very low bit rates’, in Proc. of Int. Conf. , Speech and Signal Processing, pp. 937–40. 7. September 1991. Digital Voice Systems Inc. [10] J. C. Hardwick and J. S. Lim (1991) ‘The application of the IMBE speech coder to mobile communications’, in Proc. of Int. Conf.

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