EP2179415A4 - Vorrichtung und verfahren zur kodierung und dekodierung einer verstärkungsschicht - Google Patents
Vorrichtung und verfahren zur kodierung und dekodierung einer verstärkungsschichtInfo
- 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
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10153693.6A EP2187387B1 (de) | 2007-08-16 | 2008-08-18 | Verfahren zur Kodierung und Dekodierung von Erweiterungsschichten |
EP10153630A EP2202728B1 (de) | 2007-08-16 | 2008-08-18 | Vorrichtung und Verfahren zur Dekodierung von Erweiterungsschichten |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20070082346 | 2007-08-16 | ||
KR1020080024919A KR100912826B1 (ko) | 2007-08-16 | 2008-03-18 | G.711 코덱의 음질 향상을 위한 향상 계층 부호화 및복호화 장치와 그 방법 |
KR1020080079929A KR100912827B1 (ko) | 2007-08-16 | 2008-08-14 | G.711 코덱의 음질 향상을 위한 향상 계층 부호화 및 복호화 장치와 그 방법 |
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 (de) | 2010-04-28 |
EP2179415A4 true EP2179415A4 (de) | 2011-07-20 |
EP2179415B1 EP2179415B1 (de) | 2013-03-20 |
Family
ID=40350862
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10153630A Active EP2202728B1 (de) | 2007-08-16 | 2008-08-18 | Vorrichtung und Verfahren zur Dekodierung von Erweiterungsschichten |
EP10153693.6A Active EP2187387B1 (de) | 2007-08-16 | 2008-08-18 | Verfahren zur Kodierung und Dekodierung von Erweiterungsschichten |
EP08793289A Active EP2179415B1 (de) | 2007-08-16 | 2008-08-18 | Vorrichtung und verfahren zur kodierung einer verstärkungsschicht |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10153630A Active EP2202728B1 (de) | 2007-08-16 | 2008-08-18 | Vorrichtung und Verfahren zur Dekodierung von Erweiterungsschichten |
EP10153693.6A Active EP2187387B1 (de) | 2007-08-16 | 2008-08-18 | Verfahren zur Kodierung und Dekodierung von Erweiterungsschichten |
Country Status (2)
Country | Link |
---|---|
EP (3) | EP2202728B1 (de) |
WO (1) | WO2009022884A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012002348A1 (ja) * | 2010-06-29 | 2012-01-05 | 日本電信電話株式会社 | ビット割当装置、方法、プログラム及びその記録媒体 |
FR2981781A1 (fr) | 2011-10-19 | 2013-04-26 | France Telecom | Codage hierarchique perfectionne |
Family Cites Families (3)
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 |
-
2008
- 2008-08-18 WO PCT/KR2008/004775 patent/WO2009022884A1/en active Application Filing
- 2008-08-18 EP EP10153630A patent/EP2202728B1/de active Active
- 2008-08-18 EP EP10153693.6A patent/EP2187387B1/de active Active
- 2008-08-18 EP EP08793289A patent/EP2179415B1/de active Active
Non-Patent Citations (4)
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 (de) | 2012-01-25 |
EP2202728B1 (de) | 2013-03-27 |
EP2187387B1 (de) | 2013-07-31 |
EP2187387A2 (de) | 2010-05-19 |
EP2179415B1 (de) | 2013-03-20 |
WO2009022884A1 (en) | 2009-02-19 |
EP2179415A1 (de) | 2010-04-28 |
EP2202728A1 (de) | 2010-06-30 |
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