J. Adoul

Publications21
h-index12
Citations819
Highly Influential Citations33
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Fast CELP coding based on algebraic codes
TLDR
Code-Excited Linear Prediction produces high quality synthetic speech at low bit rate. Expand
  • 166
  • 7
16 kbps wideband speech coding technique based on algebraic CELP
TLDR
The application of algebraic code excited linear prediction (ACELP) coding to wideband speech is presented with a very efficient search procedure which allows for real-time implementation. Expand
  • 99
  • 7
ITU-T G.729 Annex A: reduced complexity 8 kb/s CS-ACELP codec for digital simultaneous voice and data
TLDR
This article describes the ITU-T Recommendation G.729 Annex A (G.729A) for encoding speech signals at 8 kb/s with low complexity. Expand
  • 89
  • 4
On reducing computational complexity of codebook search in CELP coder through the use of algebraic codes
TLDR
A general framework is introduced which allows both fast search and freedom in designing codebooks with good statistical properties in the time and frequency domains. Expand
  • 69
  • 4
A toll quality 8 kb/s speech codec for the personal communications system (PCS)
TLDR
A toll quality speech codec at 8 kb/s suitable for the future personal communications system with a complexity implementable on current fixed-point DSP chips. Expand
  • 96
  • 3
GSM enhanced full rate speech codec
TLDR
The GSM enhanced full rate (EFR) speech codec that has been standardised for the GSM mobile communication system provides wireline quality not only for error-free conditions but also for the most typical error conditions. Expand
  • 84
  • 3
Harmonic-stochastic excitation (HSX) speech coding below 4 kbit/s
TLDR
This paper presents an algorithm for encoding speech signals at bit rates below 4 kbit/s based on a mixed harmonic and stochastic modeling of the excitation signal. Expand
  • 17
  • 2
Description Of The Proposed ITU-T 8 Kb/S Speech Coding Standard
  • 57
  • 1
Baseband speech coding at 2400 bps using "Spherical vector quantization"
TLDR
This paper concerns a new Quantization Scheme for efficient encoding of waveforms below or about one bit per sample. Expand
  • 19
  • 1
Low complexity LSF quantization for wideband speech coding
State-of-the-art narrowband speech coders operating from 4 to 16 kbit/s are mostly based on the code-excited linear predictive (CELP) model. They achieve a good synthesis quality usually at the… Expand
  • 12
  • 1