HK1155552A1 - 用於編碼和解碼音頻樣本的音頻編碼器和解碼器 - Google Patents
用於編碼和解碼音頻樣本的音頻編碼器和解碼器Info
- Publication number
- HK1155552A1 HK1155552A1 HK11109877.6A HK11109877A HK1155552A1 HK 1155552 A1 HK1155552 A1 HK 1155552A1 HK 11109877 A HK11109877 A HK 11109877A HK 1155552 A1 HK1155552 A1 HK 1155552A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- decoder
- encoding
- audio
- decoding
- samples
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7985608P | 2008-07-11 | 2008-07-11 | |
US10382508P | 2008-10-08 | 2008-10-08 | |
PCT/EP2009/004651 WO2010003563A1 (en) | 2008-07-11 | 2009-06-26 | Audio encoder and decoder for encoding and decoding audio samples |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1155552A1 true HK1155552A1 (zh) | 2012-05-18 |
Family
ID=40951598
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11109877.6A HK1155552A1 (zh) | 2008-07-11 | 2011-09-20 | 用於編碼和解碼音頻樣本的音頻編碼器和解碼器 |
HK16111486.0A HK1223453A1 (zh) | 2008-07-11 | 2016-09-30 | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 |
HK16111485.1A HK1223452A1 (zh) | 2008-07-11 | 2016-09-30 | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK16111486.0A HK1223453A1 (zh) | 2008-07-11 | 2016-09-30 | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 |
HK16111485.1A HK1223452A1 (zh) | 2008-07-11 | 2016-09-30 | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 |
Country Status (21)
Country | Link |
---|---|
US (1) | US8892449B2 (zh) |
EP (2) | EP2311032B1 (zh) |
JP (2) | JP5551695B2 (zh) |
KR (1) | KR101325335B1 (zh) |
CN (1) | CN102089811B (zh) |
AR (1) | AR072738A1 (zh) |
AU (1) | AU2009267466B2 (zh) |
BR (1) | BRPI0910512B1 (zh) |
CA (3) | CA2871498C (zh) |
CO (1) | CO6351837A2 (zh) |
EG (1) | EG26653A (zh) |
ES (2) | ES2657393T3 (zh) |
HK (3) | HK1155552A1 (zh) |
MX (1) | MX2011000366A (zh) |
MY (3) | MY181231A (zh) |
PL (2) | PL2311032T3 (zh) |
PT (1) | PT3002750T (zh) |
RU (1) | RU2515704C2 (zh) |
TW (1) | TWI459379B (zh) |
WO (1) | WO2010003563A1 (zh) |
ZA (1) | ZA201100089B (zh) |
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EP2339577B1 (en) * | 2008-09-18 | 2018-03-21 | Electronics and Telecommunications Research Institute | Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder |
WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
KR101649376B1 (ko) | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
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