ATE265732T1 - Vorrichtung und verfahren zur breitbandcodierung von sprachsignalen - Google Patents
Vorrichtung und verfahren zur breitbandcodierung von sprachsignalenInfo
- Publication number
- ATE265732T1 ATE265732T1 AT01000172T AT01000172T ATE265732T1 AT E265732 T1 ATE265732 T1 AT E265732T1 AT 01000172 T AT01000172 T AT 01000172T AT 01000172 T AT01000172 T AT 01000172T AT E265732 T1 ATE265732 T1 AT E265732T1
- Authority
- AT
- Austria
- Prior art keywords
- lowband
- highband
- voice signals
- wideband
- broadband coding
- Prior art date
Links
- 238000000638 solvent extraction Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/0204—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 using subband decomposition
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20615600P | 2000-05-22 | 2000-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE265732T1 true ATE265732T1 (de) | 2004-05-15 |
Family
ID=22765216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01000172T ATE265732T1 (de) | 2000-05-22 | 2001-05-22 | Vorrichtung und verfahren zur breitbandcodierung von sprachsignalen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1158495B1 (de) |
| JP (1) | JP2001337700A (de) |
| AT (1) | ATE265732T1 (de) |
| DE (2) | DE60102975T2 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004085604A (ja) * | 2002-08-22 | 2004-03-18 | Alpine Electronics Inc | デジタルオーディオ信号伝送方法及びオーディオシステム |
| WO2004090870A1 (ja) | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | 広帯域音声を符号化または復号化するための方法及び装置 |
| CN101006495A (zh) | 2004-08-31 | 2007-07-25 | 松下电器产业株式会社 | 语音编码装置、语音解码装置、通信装置以及语音编码方法 |
| BRPI0515453A (pt) * | 2004-09-17 | 2008-07-22 | Matsushita Electric Ind Co Ltd | aparelho de codificação escalável, aparelho de decodificação escalável, método de codificação escalável método de decodificação escalável, aparelho de terminal de comunicação, e aparelho de estação de base |
| WO2006030864A1 (ja) * | 2004-09-17 | 2006-03-23 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置、音声復号装置、通信装置及び音声符号化方法 |
| KR100721537B1 (ko) | 2004-12-08 | 2007-05-23 | 한국전자통신연구원 | 광대역 음성 부호화기의 고대역 음성 부호화 장치 및 그방법 |
| KR100707174B1 (ko) | 2004-12-31 | 2007-04-13 | 삼성전자주식회사 | 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법 |
| NZ562182A (en) | 2005-04-01 | 2010-03-26 | Qualcomm Inc | Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal |
| TWI324336B (en) | 2005-04-22 | 2010-05-01 | Qualcomm Inc | Method of signal processing and apparatus for gain factor smoothing |
| JP5030789B2 (ja) * | 2005-11-30 | 2012-09-19 | パナソニック株式会社 | サブバンド符号化装置およびサブバンド符号化方法 |
| WO2008081777A1 (ja) * | 2006-12-25 | 2008-07-10 | Kyushu Institute Of Technology | 高域信号補間装置及び高域信号補間方法 |
| LT3239979T (lt) * | 2010-10-25 | 2024-07-25 | Voiceage Evs Llc | Bendrųjų garso signalų kodavimas maža bitų sparta ir mažu vėlavimu |
-
2001
- 2001-05-22 DE DE60102975T patent/DE60102975T2/de not_active Expired - Lifetime
- 2001-05-22 DE DE60118627T patent/DE60118627T2/de not_active Expired - Lifetime
- 2001-05-22 EP EP01000172A patent/EP1158495B1/de not_active Expired - Lifetime
- 2001-05-22 AT AT01000172T patent/ATE265732T1/de not_active IP Right Cessation
- 2001-05-22 JP JP2001153078A patent/JP2001337700A/ja not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE60118627T2 (de) | 2007-01-11 |
| DE60118627D1 (de) | 2006-05-18 |
| JP2001337700A (ja) | 2001-12-07 |
| DE60102975D1 (de) | 2004-06-03 |
| EP1158495A2 (de) | 2001-11-28 |
| EP1158495B1 (de) | 2004-04-28 |
| DE60102975T2 (de) | 2005-05-12 |
| EP1158495A3 (de) | 2002-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |