CA2739736C - Multi-resolution switched audio encoding/decoding scheme - Google Patents

Multi-resolution switched audio encoding/decoding scheme Download PDF

Info

Publication number: CA2739736C
Authority: CA; Canada
Prior art keywords: signal; converter; time; branch; audio
Prior art date: 2008-10-08
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.): Active

Application number

CA2739736A

Other languages

English (en)

French (fr)

Other versions

CA2739736A1 (en

Inventor

Max Neuendorf

Stefan Bayer

Jeremie Lecomte

Guillaume Fuchs

Julien Robilliard

Nikolaus Rettelbach

Frederik Nagel

Ralf Geiger

Markus Multrus

Bernhard Grill

Philippe Gournay

Redwan Salami

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

VoiceAge Corp

Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV

Original Assignee

VoiceAge Corp

Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV

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.)

2008-10-08

Filing date

2009-10-07

Publication date

2015-12-01

2009-02-18 Priority claimed from EP09002271A external-priority patent/EP2144230A1/en

2009-10-07 Application filed by VoiceAge Corp, Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical VoiceAge Corp

2010-04-15 Publication of CA2739736A1 publication Critical patent/CA2739736A1/en

2015-12-01 Application granted granted Critical

2015-12-01 Publication of CA2739736C publication Critical patent/CA2739736C/en

Status Active legal-status Critical Current

2029-10-07 Anticipated expiration legal-status Critical

Links

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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
- G10L19/04—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
- G10L19/02—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (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)
Spectroscopy & Molecular Physics (AREA)
Quality & Reliability (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

CA2739736A 2008-10-08 2009-10-07 Multi-resolution switched audio encoding/decoding scheme Active CA2739736C (en)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
US10382508P	2008-10-08	2008-10-08
EP08017663.9		2008-10-08
EP08017663		2008-10-08
US61/103,825		2008-10-08
EP09002271A EP2144230A1 (en)	2008-07-11	2009-02-18	Low bitrate audio encoding/decoding scheme having cascaded switches
EP09002271.6		2009-02-18
PCT/EP2009/007205 WO2010040522A2 (en)	2008-10-08	2009-10-07	Multi-resolution switched audio encoding/decoding scheme

Publications (2)

Publication Number	Publication Date
CA2739736A1 CA2739736A1 (en)	2010-04-15
CA2739736C true CA2739736C (en)	2015-12-01

Family

ID=42101010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2739736A Active CA2739736C (en)	2008-10-08	2009-10-07	Multi-resolution switched audio encoding/decoding scheme

Country Status (14)

Country	Link
EP (2)	EP3640941A1 (zh)
JP (1)	JP5555707B2 (zh)
KR (3)	KR101403115B1 (zh)
CN (1)	CN102177426B (zh)
AR (1)	AR076060A1 (zh)
BR (1)	BRPI0914056B1 (zh)
CA (1)	CA2739736C (zh)
CO (1)	CO6362072A2 (zh)
MX (1)	MX2011003824A (zh)
MY (1)	MY154633A (zh)
RU (1)	RU2520402C2 (zh)
TW (2)	TWI520128B (zh)
WO (1)	WO2010040522A2 (zh)
ZA (1)	ZA201102537B (zh)

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CA2739736A1 (en)	2010-04-15
KR20130069833A (ko)	2013-06-26
JP2012505423A (ja)	2012-03-01
EP3640941A1 (en)	2020-04-22
WO2010040522A2 (en)	2010-04-15
WO2010040522A3 (en)	2010-09-02
KR20130133917A (ko)	2013-12-09
BRPI0914056A2 (pt)	2015-11-03
AU2009301358A1 (en)	2010-04-15
TW201142827A (en)	2011-12-01
CN102177426B (zh)	2014-11-05
TWI520128B (zh)	2016-02-01
MX2011003824A (es)	2011-05-02
CN102177426A (zh)	2011-09-07
AU2009301358A8 (en)	2011-05-26
JP5555707B2 (ja)	2014-07-23
MY154633A (en)	2015-07-15
TW201344679A (zh)	2013-11-01
BRPI0914056B1 (pt)	2019-07-02
RU2011117699A (ru)	2012-11-10
EP2345030A2 (en)	2011-07-20
KR20110081291A (ko)	2011-07-13
AR076060A1 (es)	2011-05-18
CO6362072A2 (es)	2012-01-20
ZA201102537B (en)	2011-12-28
TWI419148B (zh)	2013-12-11
RU2520402C2 (ru)	2014-06-27
KR101403115B1 (ko)	2014-06-27

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US11823690B2 (en)	2023-11-21	Low bitrate audio encoding/decoding scheme having cascaded switches
CA2739736C (en)	2015-12-01	Multi-resolution switched audio encoding/decoding scheme
US8959017B2 (en)	2015-02-17	Audio encoding/decoding scheme having a switchable bypass
EP2311035B1 (en)	2012-01-04	Low bitrate audio encoding/decoding scheme with common preprocessing
AU2009301358B2 (en)	2012-11-22	Multi-resolution switched audio encoding/decoding scheme