High-quality 16 kb/s speech coding with a one-way delay less than 2 ms

Chen, J.-H.

doi:10.1109/icassp.1990.115747

Cited by 42 publications

(9 citation statements)

References 9 publications

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“…We first compare the proposed coding scheme for both CR and CE cases with a fixed-rate CELP coding scheme using a fixed excitation codebook trained optimizing the signal domain squared error criterion, as in [11]. For the comparison we used 10 sentences of narrowband speech from TIMIT database.…”

Section: Comparison With Celpmentioning

confidence: 99%

Flexible Quantization of Audio and Speech based on the Autoregressive Model

Ozerov

Kleijn

2007

2007 Conference Record of the Forty-First Asilomar Conference on Signals, Systems and Computers

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We describe a coding scheme based on audio and speech quantization with an adaptive quantizer derived from the autoregressive model under high-rate assumptions. The main advantage of this scheme compared to state-of-the-art training-based coders is its flexibility. The scheme can adapt in real time to any particular rate and has a computational complexity independent of the rate. Experiments indicate that, compared with a non-scalable conventional fixed-rate code-excited linear predictive (CELP) coding scheme, our real time scalable coder with scalar quantization performs at least as well in the constrained entropy case, and has nearly identical performance for the constrained resolution case.

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Section: Comparison With Celpmentioning

confidence: 99%

Flexible Quantization of Audio and Speech based on the Autoregressive Model

Ozerov

Kleijn

2007

2007 Conference Record of the Forty-First Asilomar Conference on Signals, Systems and Computers

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“…Most codecs are algorithms, used to reduce the bit rate of speech data incredibly, while maintaining the voice quality. The most commonly used codecs in VOIP systems are: G.711PCM [14], G.726 [15], ADPCM, G.729 LD-CELP [16], and G. 729/G.729a CS-ACELP [17]. PCM and ADPCM belong to the family of so called waveform codecs.…”

Section: Voice Over Ip (Voip)mentioning

confidence: 99%

A New Design Reuse Approach for Voip Implementation into Fpsocs and ASICS

Izeboudjen¹,

Lazib²,

Bakiri³

et al. 2013

IJSC

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“…Most codecs are algorithms, used to reduce the bit rate of speech data incredibly, while maintaining the voice quality. The most commonly used codecs in VOIP systems are: G.711 PCM, G.726 (Chen, 1990)ADPCM , G.729 LD-CELP (ITU-T, 1996), and G. 729/ G.729a CS-ACELP (Salami & al, 1998). PCM and ADPCM belong to the family of so called waveform codecs.…”

Section: Speech Coding Algorithmmentioning

confidence: 99%