HK1209229A1 - 音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序 - Google Patents

音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序

Info

Publication number: HK1209229A1
Authority: HK; Hong Kong
Prior art keywords: audio; program; coding; decoding; audio coding
Prior art date: 2012-11-15

Application number

HK15109631.9A

Other languages

English (en)

Inventor

Kimitaka Tsutsumi

Kei Kikuiri

Atsushi Yamaguchi

Original Assignee

Ntt Docomo Inc

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.)

2012-11-15

Filing date

2015-09-30

Publication date

2016-03-24

2015-09-30 Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc

2016-03-24 Publication of HK1209229A1 publication Critical patent/HK1209229A1/zh

Links

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
- G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
- 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
- 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
- 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Multimedia (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Signal Processing (AREA)
Acoustics & Sound (AREA)
Computational Linguistics (AREA)
Health & Medical Sciences (AREA)
Theoretical Computer Science (AREA)
Mathematical Physics (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

HK15109631.9A 2012-11-15 2015-09-30 音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序 HK1209229A1 (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2012251646		2012-11-15
PCT/JP2013/080589 WO2014077254A1 (ja)	2012-11-15	2013-11-12	音声符号化装置、音声符号化方法、音声符号化プログラム、音声復号装置、音声復号方法及び音声復号プログラム

Publications (1)

Publication Number	Publication Date
HK1209229A1 true HK1209229A1 (zh)	2016-03-24

Family

ID=50731166

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK15109631.9A HK1209229A1 (zh)	2012-11-15	2015-09-30	音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序

Country Status (18)

Country	Link
US (7)	US9564143B2 (zh)
EP (2)	EP2922053B1 (zh)
JP (8)	JP6158214B2 (zh)
KR (10)	KR101689766B1 (zh)
CN (2)	CN104781876B (zh)
AU (6)	AU2013345949B2 (zh)
BR (1)	BR112015008505B1 (zh)
CA (4)	CA3044983C (zh)
DK (1)	DK2922053T3 (zh)
ES (1)	ES2747353T3 (zh)
HK (1)	HK1209229A1 (zh)
IN (1)	IN2015DN02595A (zh)
MX (3)	MX362139B (zh)
PL (1)	PL2922053T3 (zh)
PT (1)	PT2922053T (zh)
RU (8)	RU2640743C1 (zh)
TW (2)	TWI547940B (zh)
WO (1)	WO2014077254A1 (zh)

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2013
- 2013-11-12 PL PL13854879T patent/PL2922053T3/pl unknown
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- 2013-11-12 CN CN201710532316.9A patent/CN107256709B/zh active Active
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- 2013-11-12 KR KR1020207013109A patent/KR102173422B1/ko active IP Right Grant
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- 2013-11-12 CA CA3127953A patent/CA3127953C/en active Active
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- 2013-11-15 TW TW102141676A patent/TWI547940B/zh active
- 2013-11-15 TW TW105117610A patent/TWI587284B/zh active
2015
- 2015-05-14 US US14/712,535 patent/US9564143B2/en active Active
- 2015-09-30 HK HK15109631.9A patent/HK1209229A1/zh unknown
2016
- 2016-07-07 JP JP2016135137A patent/JP2016197254A/ja active Pending
- 2016-12-20 US US15/385,458 patent/US9881627B2/en active Active
2017
- 2017-03-06 JP JP2017041456A patent/JP6626026B2/ja active Active
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