FI20010770A - Förfarande för uppackning av packad audiosignal - Google Patents
Förfarande för uppackning av packad audiosignal Download PDFInfo
- Publication number
- FI20010770A FI20010770A FI20010770A FI20010770A FI20010770A FI 20010770 A FI20010770 A FI 20010770A FI 20010770 A FI20010770 A FI 20010770A FI 20010770 A FI20010770 A FI 20010770A FI 20010770 A FI20010770 A FI 20010770A
- Authority
- FI
- Finland
- Prior art keywords
- procedure
- audio signal
- packed audio
- unpacking packed
- unpacking
- Prior art date
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
- G10L21/00—Speech or voice signal processing techniques 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 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
- G11B2020/10953—Concurrent recording or playback of different streams or files
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20010770A FI110729B (sv) | 2001-04-11 | 2001-04-11 | Förfarande för uppackning av packad audiosignal |
US10/119,450 US20020173969A1 (en) | 2001-04-11 | 2002-04-09 | Method for decompressing a compressed audio signal |
EP02396050A EP1249837A3 (en) | 2001-04-11 | 2002-04-11 | A method for decompressing a compressed audio signal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20010770 | 2001-04-11 | ||
FI20010770A FI110729B (sv) | 2001-04-11 | 2001-04-11 | Förfarande för uppackning av packad audiosignal |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20010770A0 FI20010770A0 (sv) | 2001-04-11 |
FI20010770A true FI20010770A (sv) | 2002-10-12 |
FI110729B FI110729B (sv) | 2003-03-14 |
Family
ID=8560982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20010770A FI110729B (sv) | 2001-04-11 | 2001-04-11 | Förfarande för uppackning av packad audiosignal |
Country Status (3)
Country | Link |
---|---|
US (1) | US20020173969A1 (sv) |
EP (1) | EP1249837A3 (sv) |
FI (1) | FI110729B (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100655894B1 (ko) | 2004-05-06 | 2006-12-08 | 서울옵토디바이스주식회사 | 색온도 및 연색성이 우수한 파장변환 발광장치 |
KR100665299B1 (ko) | 2004-06-10 | 2007-01-04 | 서울반도체 주식회사 | 발광물질 |
US20060143013A1 (en) * | 2004-12-28 | 2006-06-29 | Broadcom Corporation | Method and system for playing audio at an accelerated rate using multiresolution analysis technique keeping pitch constant |
US20060187770A1 (en) * | 2005-02-23 | 2006-08-24 | Broadcom Corporation | Method and system for playing audio at a decelerated rate using multiresolution analysis technique keeping pitch constant |
KR101258397B1 (ko) | 2005-11-11 | 2013-04-30 | 서울반도체 주식회사 | 구리 알칼리토 실리케이트 혼성 결정 형광체 |
US7610195B2 (en) | 2006-06-01 | 2009-10-27 | Nokia Corporation | Decoding of predictively coded data using buffer adaptation |
US8044830B2 (en) * | 2007-09-20 | 2011-10-25 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
FI2297856T3 (fi) * | 2008-07-11 | 2023-03-30 | Fraunhofer Ges Forschung | Menetelmä symbolin koodaamiseksi, menetelmä symbolin dekoodaamiseksi, menetelmä symbolin lähettämiseksi lähettimeltä vastaanottimelle, kooderi, dekooderi ja järjestelmä symbolin lähettämiseksi lähettimeltä vastaanottimelle |
ES2654433T3 (es) | 2008-07-11 | 2018-02-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de señal de audio, método para codificar una señal de audio y programa informático |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
MY167980A (en) | 2009-10-20 | 2018-10-09 | Fraunhofer Ges Forschung | Multi- mode audio codec and celp coding adapted therefore |
EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG49883A1 (en) * | 1991-01-08 | 1998-06-15 | Dolby Lab Licensing Corp | Encoder/decoder for multidimensional sound fields |
JP3137805B2 (ja) * | 1993-05-21 | 2001-02-26 | 三菱電機株式会社 | 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法 |
JP3557674B2 (ja) * | 1994-12-15 | 2004-08-25 | ソニー株式会社 | 高能率符号化方法及び装置 |
FR2729024A1 (fr) * | 1994-12-30 | 1996-07-05 | Matra Communication | Annuleur d'echo acoustique avec filtrage en sous-bandes |
JPH1084284A (ja) * | 1996-09-06 | 1998-03-31 | Sony Corp | 信号再生方法および装置 |
TW391092B (en) * | 1996-12-27 | 2000-05-21 | Hitachi Ltd | Cellular mobile telephone apparatus and method for transmitting a response message to an caller |
JPH1168576A (ja) * | 1997-08-22 | 1999-03-09 | Hitachi Ltd | データ伸張装置 |
US6012025A (en) * | 1998-01-28 | 2000-01-04 | Nokia Mobile Phones Limited | Audio coding method and apparatus using backward adaptive prediction |
US6765930B1 (en) * | 1998-12-11 | 2004-07-20 | Sony Corporation | Decoding apparatus and method, and providing medium |
JP2000323993A (ja) * | 1999-05-11 | 2000-11-24 | Mitsubishi Electric Corp | Mpeg1オーディオレイヤiii復号処理装置およびコンピュータをmpeg1オーディオレイヤiii復号処理装置として機能させるためのプログラムを記録したコンピュータ読取可能な記録媒体 |
US6842735B1 (en) * | 1999-12-17 | 2005-01-11 | Interval Research Corporation | Time-scale modification of data-compressed audio information |
-
2001
- 2001-04-11 FI FI20010770A patent/FI110729B/sv not_active IP Right Cessation
-
2002
- 2002-04-09 US US10/119,450 patent/US20020173969A1/en not_active Abandoned
- 2002-04-11 EP EP02396050A patent/EP1249837A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20020173969A1 (en) | 2002-11-21 |
EP1249837A3 (en) | 2006-10-18 |
FI20010770A0 (sv) | 2001-04-11 |
FI110729B (sv) | 2003-03-14 |
EP1249837A2 (en) | 2002-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |