FI119533B - Audiosignaalien koodaus - Google Patents

Audiosignaalien koodaus Download PDF

Info

Publication number: FI119533B
Authority: FI; Finland
Prior art keywords: frequency band; state; encoder; coding; signals
Prior art date: 2004-04-15

Application number

FI20045135A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI20045135A0 (fi

FI20045135A (fi

Inventor

Ari Lakaniemi

Jari Maekinen

Pasi S Ojala

Original Assignee

Nokia Corp

Priority date (The priority date 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 date listed.)

2004-04-15

Filing date

2004-04-15

Publication date

2008-12-15

2004-04-15 Application filed by Nokia Corp filed Critical Nokia Corp

2004-04-15 Publication of FI20045135A0 publication Critical patent/FI20045135A0/fi

2004-04-15 Priority to FI20045135A priority Critical patent/FI119533B/fi

2005-04-14 Priority to RU2006139790/09A priority patent/RU2383943C2/ru

2005-04-14 Priority to AU2005234181A priority patent/AU2005234181B2/en

2005-04-14 Priority to CA2562916A priority patent/CA2562916C/en

2005-04-14 Priority to PCT/FI2005/050121 priority patent/WO2005101372A1/en

2005-04-14 Priority to BRPI0509963-3A priority patent/BRPI0509963A/pt

2005-04-14 Priority to JP2007507809A priority patent/JP4838235B2/ja

2005-04-14 Priority to CN2005800114923A priority patent/CN1942928B/zh

2005-04-14 Priority to EP05735286A priority patent/EP1735776A4/en

2005-04-14 Priority to KR1020067022237A priority patent/KR100859881B1/ko

2005-04-14 Priority to MXPA06010825A priority patent/MXPA06010825A/es

2005-04-15 Priority to US11/107,334 priority patent/US20050246164A1/en

2005-10-16 Publication of FI20045135A publication Critical patent/FI20045135A/fi

2006-09-13 Priority to ZA2006/07661A priority patent/ZA200607661B/en

2007-09-17 Priority to HK07110120.5A priority patent/HK1102036A1/xx

2008-12-15 Application granted granted Critical

2008-12-15 Publication of FI119533B publication Critical patent/FI119533B/fi

Links

230000005236 sound signal Effects 0.000 title claims description 74
230000008859 change Effects 0.000 claims description 49
230000005284 excitation Effects 0.000 claims description 46
238000000034 method Methods 0.000 claims description 36
238000005070 sampling Methods 0.000 claims description 30
239000013598 vector Substances 0.000 claims description 15
238000004458 analytical method Methods 0.000 claims description 10
238000004590 computer program Methods 0.000 claims description 9
230000006870 function Effects 0.000 claims description 8
238000004364 calculation method Methods 0.000 claims 5
230000003321 amplification Effects 0.000 claims 4
238000003199 nucleic acid amplification method Methods 0.000 claims 4
238000012856 packing Methods 0.000 claims 2
230000015572 biosynthetic process Effects 0.000 description 12
238000003786 synthesis reaction Methods 0.000 description 12
230000005540 biological transmission Effects 0.000 description 11
238000004891 communication Methods 0.000 description 7
238000001228 spectrum Methods 0.000 description 6
238000001914 filtration Methods 0.000 description 5
230000008569 process Effects 0.000 description 5
230000006835 compression Effects 0.000 description 4
238000007906 compression Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000012545 processing Methods 0.000 description 4
230000003044 adaptive effect Effects 0.000 description 3
238000013459 approach Methods 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 2
230000002452 interceptive effect Effects 0.000 description 2
230000004044 response Effects 0.000 description 2
230000003595 spectral effect Effects 0.000 description 2
230000007704 transition Effects 0.000 description 2
238000011144 upstream manufacturing Methods 0.000 description 2
230000003466 anti-cipated effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005012 migration Effects 0.000 description 1
238000013508 migration Methods 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
238000013139 quantization Methods 0.000 description 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
- G10L19/16—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
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- 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
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Audiology, Speech & Language Pathology (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Spectroscopy & Molecular Physics (AREA)
Quality & Reliability (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

FI20045135A 2004-04-15 2004-04-15 Audiosignaalien koodaus FI119533B (fi)

Priority Applications (14)

Application Number	Priority Date	Filing Date	Title
FI20045135A FI119533B (fi)	2004-04-15	2004-04-15	Audiosignaalien koodaus
JP2007507809A JP4838235B2 (ja)	2004-04-15	2005-04-14	音声信号の符号化
EP05735286A EP1735776A4 (en)	2004-04-15	2005-04-14	AUDIO SIGNAL CODING
CA2562916A CA2562916C (en)	2004-04-15	2005-04-14	Coding of audio signals
PCT/FI2005/050121 WO2005101372A1 (en)	2004-04-15	2005-04-14	Coding of audio signals
BRPI0509963-3A BRPI0509963A (pt)	2004-04-15	2005-04-14	módulo para processar um fluxo de bit incluindo parámetros para decodificador o fluxo de bit, dispositivo e codec compreendendo o módulo, método para processar os sinais de áudio em uma banda de freqüência, produto de programa de computador, e, sinal compreendendo um fluxo de bit
RU2006139790/09A RU2383943C2 (ru)	2004-04-15	2005-04-14	Кодирование звуковых сигналов
CN2005800114923A CN1942928B (zh)	2004-04-15	2005-04-14	用于处理音频信号的模块和方法
AU2005234181A AU2005234181B2 (en)	2004-04-15	2005-04-14	Coding of audio signals
KR1020067022237A KR100859881B1 (ko)	2004-04-15	2005-04-14	음성 신호 코딩
MXPA06010825A MXPA06010825A (es)	2004-04-15	2005-04-14	Codificacion de senales de audio.
US11/107,334 US20050246164A1 (en)	2004-04-15	2005-04-15	Coding of audio signals
ZA2006/07661A ZA200607661B (en)	2004-04-15	2006-09-13	Coding of audio signals
HK07110120.5A HK1102036A1 (en)	2004-04-15	2007-09-17	A module and a method for processing audio signals

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI20045135A FI119533B (fi)	2004-04-15	2004-04-15	Audiosignaalien koodaus
FI20045135		2004-04-15

Publications (3)

Publication Number	Publication Date
FI20045135A0 FI20045135A0 (fi)	2004-04-15
FI20045135A FI20045135A (fi)	2005-10-16
FI119533B true FI119533B (fi)	2008-12-15

Family

ID=32104263

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI20045135A FI119533B (fi)	2004-04-15	2004-04-15	Audiosignaalien koodaus

Country Status (14)

Country	Link
US (1)	US20050246164A1 (zh)
EP (1)	EP1735776A4 (zh)
JP (1)	JP4838235B2 (zh)
KR (1)	KR100859881B1 (zh)
CN (1)	CN1942928B (zh)
AU (1)	AU2005234181B2 (zh)
BR (1)	BRPI0509963A (zh)
CA (1)	CA2562916C (zh)
FI (1)	FI119533B (zh)
HK (1)	HK1102036A1 (zh)
MX (1)	MXPA06010825A (zh)
RU (1)	RU2383943C2 (zh)
WO (1)	WO2005101372A1 (zh)
ZA (1)	ZA200607661B (zh)

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2004
- 2004-04-15 FI FI20045135A patent/FI119533B/fi not_active IP Right Cessation
2005
- 2005-04-14 CA CA2562916A patent/CA2562916C/en not_active Expired - Fee Related
- 2005-04-14 KR KR1020067022237A patent/KR100859881B1/ko not_active IP Right Cessation
- 2005-04-14 CN CN2005800114923A patent/CN1942928B/zh not_active Expired - Fee Related
- 2005-04-14 BR BRPI0509963-3A patent/BRPI0509963A/pt not_active IP Right Cessation
- 2005-04-14 AU AU2005234181A patent/AU2005234181B2/en not_active Ceased
- 2005-04-14 EP EP05735286A patent/EP1735776A4/en not_active Withdrawn
- 2005-04-14 JP JP2007507809A patent/JP4838235B2/ja not_active Expired - Fee Related
- 2005-04-14 RU RU2006139790/09A patent/RU2383943C2/ru not_active IP Right Cessation
- 2005-04-14 WO PCT/FI2005/050121 patent/WO2005101372A1/en active Application Filing
- 2005-04-14 MX MXPA06010825A patent/MXPA06010825A/es active IP Right Grant
- 2005-04-15 US US11/107,334 patent/US20050246164A1/en not_active Abandoned
2006
- 2006-09-13 ZA ZA2006/07661A patent/ZA200607661B/en unknown
2007
- 2007-09-17 HK HK07110120.5A patent/HK1102036A1/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
RU2383943C2 (ru)	2010-03-10
AU2005234181B2 (en)	2011-06-23
EP1735776A4 (en)	2007-11-07
US20050246164A1 (en)	2005-11-03
RU2006139790A (ru)	2008-05-20
HK1102036A1 (en)	2007-11-02
MXPA06010825A (es)	2006-12-15
JP4838235B2 (ja)	2011-12-14
CN1942928A (zh)	2007-04-04
CN1942928B (zh)	2011-05-18
KR20070002068A (ko)	2007-01-04
CA2562916C (en)	2012-10-02
FI20045135A0 (fi)	2004-04-15
JP2007532963A (ja)	2007-11-15
CA2562916A1 (en)	2005-10-27
EP1735776A1 (en)	2006-12-27
WO2005101372A1 (en)	2005-10-27
FI20045135A (fi)	2005-10-16
AU2005234181A1 (en)	2005-10-27
KR100859881B1 (ko)	2008-09-24
BRPI0509963A (pt)	2007-09-25
ZA200607661B (en)	2010-11-24

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