AU2001295916A1 - Audio signal encoder - Google Patents
Audio signal encoderInfo
- Publication number
- AU2001295916A1 AU2001295916A1 AU2001295916A AU9591601A AU2001295916A1 AU 2001295916 A1 AU2001295916 A1 AU 2001295916A1 AU 2001295916 A AU2001295916 A AU 2001295916A AU 9591601 A AU9591601 A AU 9591601A AU 2001295916 A1 AU2001295916 A1 AU 2001295916A1
- Authority
- AU
- Australia
- Prior art keywords
- audio signal
- signal encoder
- encoder
- audio
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000005236 sound signal Effects 0.000 title 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
- G10L19/02—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
- G10L19/0212—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 orthogonal transformation
-
- 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
-
- 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
- G10L19/002—Dynamic bit allocation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000319699A JP2002135122A (en) | 2000-10-19 | 2000-10-19 | Audio signal coding apparatus |
| JP2000-319699 | 2000-10-19 | ||
| PCT/JP2001/008920 WO2002033831A1 (en) | 2000-10-19 | 2001-10-11 | Audio signal encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2001295916A1 true AU2001295916A1 (en) | 2002-04-29 |
Family
ID=18798113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2001295916A Abandoned AU2001295916A1 (en) | 2000-10-19 | 2001-10-11 | Audio signal encoder |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7343292B2 (en) |
| JP (1) | JP2002135122A (en) |
| AU (1) | AU2001295916A1 (en) |
| TW (1) | TW530465B (en) |
| WO (1) | WO2002033831A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10230809B4 (en) * | 2002-07-08 | 2008-09-11 | T-Mobile Deutschland Gmbh | Method for transmitting audio signals according to the method of prioritizing pixel transmission |
| JP4239060B2 (en) * | 2002-08-30 | 2009-03-18 | ソニー株式会社 | Encoding apparatus and method, data processing apparatus and method, and program |
| JP4548348B2 (en) * | 2006-01-18 | 2010-09-22 | カシオ計算機株式会社 | Speech coding apparatus and speech coding method |
| US8548815B2 (en) | 2007-09-19 | 2013-10-01 | Qualcomm Incorporated | Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications |
| JP5384952B2 (en) * | 2009-01-15 | 2014-01-08 | Ｋｄｄｉ株式会社 | Feature amount extraction apparatus, feature amount extraction method, and program |
| CN104681032B (en) * | 2013-11-28 | 2018-05-11 | 中国移动通信集团公司 | A kind of voice communication method and equipment |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3341659A (en) * | 1964-01-24 | 1967-09-12 | Burroughs Corp | Controlled bandwidth coded voice communication system |
| US4588979A (en) * | 1984-10-05 | 1986-05-13 | Dbx, Inc. | Analog-to-digital converter |
| JPH0697447B2 (en) | 1985-09-18 | 1994-11-30 | 富士通株式会社 | Communication controller of processing device |
| JPH057774Y2 (en) * | 1985-10-11 | 1993-02-26 | ||
| JPS62274809A (en) | 1986-05-16 | 1987-11-28 | ア−・エヌ・テ−・ナツハリヒテンテヒニ−ク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Filter |
| US4969192A (en) * | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
| WO1990009022A1 (en) | 1989-01-27 | 1990-08-09 | Dolby Laboratories Licensing Corporation | Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| JP3033156B2 (en) | 1990-08-24 | 2000-04-17 | ソニー株式会社 | Digital signal coding device |
| JPH04313964A (en) | 1991-01-11 | 1992-11-05 | Canon Inc | Video signal processing circuit |
| JP2763982B2 (en) | 1992-03-13 | 1998-06-11 | 富士通株式会社 | Transmission signal processing method |
| JP3334374B2 (en) | 1994-10-28 | 2002-10-15 | ソニー株式会社 | Digital signal compression method and apparatus |
| JPH08237130A (en) | 1995-02-23 | 1996-09-13 | Sony Corp | Method and device for signal coding and recording medium |
| JPH09187005A (en) | 1995-12-28 | 1997-07-15 | Canon Inc | Coder |
-
2000
- 2000-10-19 JP JP2000319699A patent/JP2002135122A/en active Pending
-
2001
- 2001-09-21 TW TW090123302A patent/TW530465B/en not_active IP Right Cessation
- 2001-10-11 AU AU2001295916A patent/AU2001295916A1/en not_active Abandoned
- 2001-10-11 WO PCT/JP2001/008920 patent/WO2002033831A1/en active Application Filing
- 2001-10-11 US US10/399,101 patent/US7343292B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW530465B (en) | 2003-05-01 |
| JP2002135122A (en) | 2002-05-10 |
| US7343292B2 (en) | 2008-03-11 |
| WO2002033831A1 (en) | 2002-04-25 |
| US20040049378A1 (en) | 2004-03-11 |
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