HK1182212A1 - 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 - Google Patents
提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼Info
- Publication number
- HK1182212A1 HK1182212A1 HK13109483.0A HK13109483A HK1182212A1 HK 1182212 A1 HK1182212 A1 HK 1182212A1 HK 13109483 A HK13109483 A HK 13109483A HK 1182212 A1 HK1182212 A1 HK 1182212A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- encoding
- providing
- time warp
- therewith
- audio signal
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/002—Dynamic bit allocation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/032—Quantisation or dequantisation of spectral components
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
- G10L21/043—Time compression or expansion by changing speed
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7987308P | 2008-07-11 | 2008-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1182212A1 true HK1182212A1 (zh) | 2013-11-22 |
Family
ID=41037694
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11109868.7A HK1155551A1 (en) | 2008-07-11 | 2011-09-20 | Providing a time warp activation signal and encoding an audio signal therewith |
HK13109483.0A HK1182212A1 (zh) | 2008-07-11 | 2013-08-13 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
HK13109484.9A HK1182213A1 (zh) | 2008-07-11 | 2013-08-13 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
HK13109892.5A HK1182830A1 (zh) | 2008-07-11 | 2013-08-23 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
HK13112277.4A HK1184903A1 (zh) | 2008-07-11 | 2013-10-31 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11109868.7A HK1155551A1 (en) | 2008-07-11 | 2011-09-20 | Providing a time warp activation signal and encoding an audio signal therewith |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK13109484.9A HK1182213A1 (zh) | 2008-07-11 | 2013-08-13 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
HK13109892.5A HK1182830A1 (zh) | 2008-07-11 | 2013-08-23 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
HK13112277.4A HK1184903A1 (zh) | 2008-07-11 | 2013-10-31 | 提供時間扭曲激活信號以及使用該時間扭曲激活信號對音頻信號編碼 |
Country Status (18)
Country | Link |
---|---|
US (7) | US9015041B2 (zh) |
EP (5) | EP2410522B1 (zh) |
JP (5) | JP5538382B2 (zh) |
KR (5) | KR101400484B1 (zh) |
CN (5) | CN103077722B (zh) |
AR (8) | AR072740A1 (zh) |
AT (1) | ATE539433T1 (zh) |
AU (1) | AU2009267433B2 (zh) |
BR (1) | BRPI0910790A2 (zh) |
CA (5) | CA2730239C (zh) |
ES (5) | ES2654432T3 (zh) |
HK (5) | HK1155551A1 (zh) |
MX (1) | MX2011000368A (zh) |
PL (4) | PL2311033T3 (zh) |
PT (3) | PT2410520T (zh) |
RU (5) | RU2536679C2 (zh) |
TW (1) | TWI463484B (zh) |
WO (1) | WO2010003618A2 (zh) |
Families Citing this family (85)
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EP2532001B1 (en) * | 2010-03-10 | 2014-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding |
BR112012025878B1 (pt) | 2010-04-09 | 2021-01-05 | Dolby International Ab | sistema decodificador, sistema codificador, método de decodificação e método de codificação. |
US9236063B2 (en) | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
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