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Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181), 2002
In existing speech coding systems, all quantizer codebooks are designed to suit the statistical and perceptual characteristics of speech signals of a population of speakers. However, an individual's speech signal does not exhibit, even over a long time, the entire range of characteristics of the population. With the advent of the personal communication
Wenhui Jin, Wai-Yip Chan
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In existing speech coding systems, all quantizer codebooks are designed to suit the statistical and perceptual characteristics of speech signals of a population of speakers. However, an individual's speech signal does not exhibit, even over a long time, the entire range of characteristics of the population. With the advent of the personal communication
Wenhui Jin, Wai-Yip Chan
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2nd European Conference on Speech Communication and Technology (Eurospeech 1991), 1991
Abstract The technologies of ISDN teleconferencing, CD-ROM multimedia services, and High Definition Television are creating new opportunities and challenges for the digital coding of wideband audio signals, wideband speech in particular. In the coding of wideband speech, an important point of reference is the CCITT standard for 7 kHz speech at a rate
Nikil S. Jayant +2 more
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Abstract The technologies of ISDN teleconferencing, CD-ROM multimedia services, and High Definition Television are creating new opportunities and challenges for the digital coding of wideband audio signals, wideband speech in particular. In the coding of wideband speech, an important point of reference is the CCITT standard for 7 kHz speech at a rate
Nikil S. Jayant +2 more
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Cognitive Psychology, 1980
Models of speech processing typically assume that speech is represented by a succession of codes. In this paper we argue for the psychological validity of a prelexical (phonetic) code and for a postlexical (phonological) code. Whereas phonetic codes are computed directly from an analysis of input acoustic information, phonological codes are derived ...
D J, Foss, M A, Blank
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Models of speech processing typically assume that speech is represented by a succession of codes. In this paper we argue for the psychological validity of a prelexical (phonetic) code and for a postlexical (phonological) code. Whereas phonetic codes are computed directly from an analysis of input acoustic information, phonological codes are derived ...
D J, Foss, M A, Blank
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SSRN Electronic Journal, 2001
The purpose of this paper is to address the question of whether computer source code is speech protected by the First Amendment to the United States Constitution or whether it is merely functional, a "machine," designed to fulfill a set task and therefore bereft of protection. The answer to this question is a complex one.
L. Jean Jean Camp, Kenneth D. Lewis
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The purpose of this paper is to address the question of whether computer source code is speech protected by the First Amendment to the United States Constitution or whether it is merely functional, a "machine," designed to fulfill a set task and therefore bereft of protection. The answer to this question is a complex one.
L. Jean Jean Camp, Kenneth D. Lewis
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Extremal Coding for Speech Transmission
The Journal of the Acoustical Society of America, 1959A new digital coding scheme for transmitting speech is described. The transmitted information consists of the amplitude of the speech wave at its extremes (relative maxima and minima) and the time intervals between extremes. The coding is related to clipped speech encoding which effectively transmits only the times of the extremes. The decoding process
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Parameteric coding of speech signals
2009 International Conference on Ultra Modern Telecommunications & Workshops, 2009In this paper an FS1015 LPC coder has been designed using Matlab to produce intelligible speech. This paper focuses on the different methods of implementation and compared to determine, which gives the best performance. The coder has been tested on Hindi.
Vivek Kumar Sehgal +5 more
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The Broadvoice Speech Coding Algorithm
2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07, 2007This paper describes the BroadVoice® speech coding algorithm, which has been standardized as PacketCable™, SCTE®, and ANSI standards for VoIP cable telephony. The BroadVoice family of codecs includes a 16 kb/s BroadVoice 16 narrowband codec and a 32 kb/s BroadVoice32 wideband codec.
Juin-Hwey Chen, Jes Thyssen
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Enhancement of block-coded speech
ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005This paper describes a very effective method for reducing framing noise associated with block-by-block speech coding algorithms. It is a post-coding speech enhancement procedure designed specifically to combat this type of noise. The procedure is based on a fully adaptive comb filter which is adapted in synchrony with the coding algorithm's frame ...
Dale E. Veeneman, Baruch Mazor
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Speech Communication, 1993
Low-delay speech coding at medium-to-low rates has received much attention in the past three years due to its wide potential applications. Although good speech quality can be achieved with state-of-the-art Vector Excitation Coding (VXC) at 16 kbit/s and below, most existing coders of this type require large coding delays.
Vladimir Cuperman, Allen Gersho
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Low-delay speech coding at medium-to-low rates has received much attention in the past three years due to its wide potential applications. Although good speech quality can be achieved with state-of-the-art Vector Excitation Coding (VXC) at 16 kbit/s and below, most existing coders of this type require large coding delays.
Vladimir Cuperman, Allen Gersho
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