EP2179415A4 - Apparatus and method for encoding and decoding enhancement layer - Google Patents

Apparatus and method for encoding and decoding enhancement layer

Info

Publication number
EP2179415A4
EP2179415A4 EP08793289A EP08793289A EP2179415A4 EP 2179415 A4 EP2179415 A4 EP 2179415A4 EP 08793289 A EP08793289 A EP 08793289A EP 08793289 A EP08793289 A EP 08793289A EP 2179415 A4 EP2179415 A4 EP 2179415A4
Authority
EP
European Patent Office
Prior art keywords
encoding
enhancement layer
decoding enhancement
decoding
layer
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.)
Granted
Application number
EP08793289A
Other languages
German (de)
French (fr)
Other versions
EP2179415B1 (en
EP2179415A1 (en
Inventor
Jongmo Sung
Do-Young Kim
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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.)
Filing date
Publication date
Priority claimed from KR1020080024919A external-priority patent/KR100912826B1/en
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to EP10153693.6A priority Critical patent/EP2187387B1/en
Priority to EP10153630A priority patent/EP2202728B1/en
Publication of EP2179415A1 publication Critical patent/EP2179415A1/en
Publication of EP2179415A4 publication Critical patent/EP2179415A4/en
Application granted granted Critical
Publication of EP2179415B1 publication Critical patent/EP2179415B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/16—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
    • G10L19/002—Dynamic bit allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP08793289A 2007-08-16 2008-08-18 Apparatus and method for encoding an enhancement layer Active EP2179415B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10153693.6A EP2187387B1 (en) 2007-08-16 2008-08-18 Method for encoding and decoding an enhancement layer
EP10153630A EP2202728B1 (en) 2007-08-16 2008-08-18 Apparatus and method for decoding an enhancement layer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20070082346 2007-08-16
KR1020080024919A KR100912826B1 (en) 2007-08-16 2008-03-18 A enhancement layer encoder/decoder for improving a voice quality in G.711 codec and method therefor
KR1020080079929A KR100912827B1 (en) 2007-08-16 2008-08-14 A enhancement layer encoder/decoder for improving a voice quality in G.711 codec and method therefor
PCT/KR2008/004775 WO2009022884A1 (en) 2007-08-16 2008-08-18 Apparatus and method for encoding and decoding enhancement layer

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP10153693.6 Division-Into 2010-02-16
EP10153630.8 Division-Into 2010-02-16

Publications (3)

Publication Number Publication Date
EP2179415A1 EP2179415A1 (en) 2010-04-28
EP2179415A4 true EP2179415A4 (en) 2011-07-20
EP2179415B1 EP2179415B1 (en) 2013-03-20

Family

ID=40350862

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10153630A Active EP2202728B1 (en) 2007-08-16 2008-08-18 Apparatus and method for decoding an enhancement layer
EP10153693.6A Active EP2187387B1 (en) 2007-08-16 2008-08-18 Method for encoding and decoding an enhancement layer
EP08793289A Active EP2179415B1 (en) 2007-08-16 2008-08-18 Apparatus and method for encoding an enhancement layer

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP10153630A Active EP2202728B1 (en) 2007-08-16 2008-08-18 Apparatus and method for decoding an enhancement layer
EP10153693.6A Active EP2187387B1 (en) 2007-08-16 2008-08-18 Method for encoding and decoding an enhancement layer

Country Status (2)

Country Link
EP (3) EP2202728B1 (en)
WO (1) WO2009022884A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012002348A1 (en) * 2010-06-29 2012-01-05 日本電信電話株式会社 Bit allocation device, method, program and recording medium thereof
FR2981781A1 (en) 2011-10-19 2013-04-26 France Telecom IMPROVED HIERARCHICAL CODING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785261B1 (en) * 1999-05-28 2004-08-31 3Com Corporation Method and system for forward error correction with different frame sizes
US6724814B1 (en) * 1999-06-24 2004-04-20 Intel Corporation Pad and CODEC detection
US6650762B2 (en) * 2001-05-31 2003-11-18 Southern Methodist University Types-based, lossy data embedding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Pulse code modulation (PCM) of voice frequencies; G.711 (11/88)", ITU-T STANDARD IN FORCE (I), INTERNATIONAL TELECOMMUNICATION UNION, GENEVA, CH, no. G.711 (11/88), 25 November 1988 (1988-11-25), XP017400850 *
"Wideband embedded extension for G.711 pulse code modulation; G.711.1 (03/08)", ITU-T STANDARD, INTERNATIONAL TELECOMMUNICATION UNION, GENEVA ; CH, no. G.711.1 (03/08), 15 March 2008 (2008-03-15), XP017433779 *
HIWASAKI Y ET AL: "A G.711 EMBEDDED WIDEBAND SPEECH CODING FOR VOIP CONFERENCES", IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, INFORMATION & SYSTEMS SOCIETY, TOKYO, JP, vol. E89D, no. 9, 1 September 2006 (2006-09-01), pages 2542 - 2552, XP001542710, ISSN: 0916-8532 *
See also references of WO2009022884A1 *

Also Published As

Publication number Publication date
EP2187387A3 (en) 2012-01-25
EP2202728B1 (en) 2013-03-27
EP2187387B1 (en) 2013-07-31
EP2187387A2 (en) 2010-05-19
EP2179415B1 (en) 2013-03-20
WO2009022884A1 (en) 2009-02-19
EP2179415A1 (en) 2010-04-28
EP2202728A1 (en) 2010-06-30

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