ES 202 212 : 1.1.2

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 System overview
5 Feature extraction description
   5.1 Noise reduction
   5.2 Waveform Processing
   5.3 Cepstrum Calculation
   5.4 Blind equalization
   5.5 Extension to 11 kHz and 16 kHz sampling frequencies
   5.6 Pitch and class estimation
6 Feature compression
   6.1 Introduction
   6.2 Compression algorithm description
7 Framing, bit-stream formatting and error protection
   7.1 Introduction
   7.2 Algorithm description
8 Bit-stream decoding and error mitigation
   8.1 Introduction
   8.2 Algorithm description
9 Server feature processing
   9.1 lnE and c(0) combination
   9.2 Derivatives calculation
   9.3 Feature vector selection
10 Server side speech reconstruction
   10.1 Introduction
   10.2 Algorithm description
Annex A (informative): Voice Activity Detection (VAD)
      A.1 Introduction
      A.2 Stage 1 - Detection
      A.3 Stage 2 - VAD Logic
Annex B (informative): Bibliography
History