EP1564723A4 - Transcoder and coder conversion method - Google Patents
Transcoder and coder conversion methodInfo
- Publication number
- EP1564723A4 EP1564723A4 EP03751372A EP03751372A EP1564723A4 EP 1564723 A4 EP1564723 A4 EP 1564723A4 EP 03751372 A EP03751372 A EP 03751372A EP 03751372 A EP03751372 A EP 03751372A EP 1564723 A4 EP1564723 A4 EP 1564723A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- transcoder
- conversion method
- coder
- coder conversion
- conversion
- 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
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002317204A JP4438280B2 (en) | 2002-10-31 | 2002-10-31 | Transcoder and code conversion method |
JP2002317204 | 2002-10-31 | ||
PCT/JP2003/012859 WO2004040552A1 (en) | 2002-10-31 | 2003-10-08 | Transcoder and coder conversion method |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1564723A1 EP1564723A1 (en) | 2005-08-17 |
EP1564723A4 true EP1564723A4 (en) | 2005-12-21 |
EP1564723B1 EP1564723B1 (en) | 2008-06-18 |
Family
ID=32211714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03751372A Expired - Fee Related EP1564723B1 (en) | 2002-10-31 | 2003-10-08 | Transcoder and coder conversion method |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1564723B1 (en) |
JP (1) | JP4438280B2 (en) |
KR (1) | KR100715014B1 (en) |
CN (1) | CN100498933C (en) |
AU (1) | AU2003271119A1 (en) |
CA (1) | CA2504174A1 (en) |
DE (1) | DE60321712D1 (en) |
HK (1) | HK1077913A1 (en) |
WO (1) | WO2004040552A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007064256A2 (en) * | 2005-11-30 | 2007-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient speech stream conversion |
DE102008009720A1 (en) * | 2008-02-19 | 2009-08-20 | Siemens Enterprise Communications Gmbh & Co. Kg | Method and means for decoding background noise information |
CN104751849B (en) | 2013-12-31 | 2017-04-19 | 华为技术有限公司 | Decoding method and device of audio streams |
CN107369454B (en) | 2014-03-21 | 2020-10-27 | 华为技术有限公司 | Method and device for decoding voice frequency code stream |
CN105869653B (en) * | 2016-05-31 | 2019-07-12 | 华为技术有限公司 | Voice signal processing method and relevant apparatus and system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3297156B2 (en) * | 1993-08-17 | 2002-07-02 | 三菱電機株式会社 | Voice discrimination device |
JP3483958B2 (en) * | 1994-10-28 | 2004-01-06 | 三菱電機株式会社 | Broadband audio restoration apparatus, wideband audio restoration method, audio transmission system, and audio transmission method |
JP3189614B2 (en) * | 1995-03-13 | 2001-07-16 | 松下電器産業株式会社 | Voice band expansion device |
JPH0918347A (en) * | 1995-06-28 | 1997-01-17 | Oki Electric Ind Co Ltd | Voice encoding system converter |
JP4296622B2 (en) * | 1998-10-26 | 2009-07-15 | ソニー株式会社 | Echo canceling apparatus and method, and sound reproducing apparatus |
JP4135242B2 (en) * | 1998-12-18 | 2008-08-20 | ソニー株式会社 | Receiving apparatus and method, communication apparatus and method |
JP2000206995A (en) * | 1999-01-11 | 2000-07-28 | Sony Corp | Receiver and receiving method, communication equipment and communicating method |
US6260009B1 (en) * | 1999-02-12 | 2001-07-10 | Qualcomm Incorporated | CELP-based to CELP-based vocoder packet translation |
-
2002
- 2002-10-31 JP JP2002317204A patent/JP4438280B2/en not_active Expired - Fee Related
-
2003
- 2003-10-08 CN CNB2003801022915A patent/CN100498933C/en not_active Expired - Fee Related
- 2003-10-08 KR KR1020057007432A patent/KR100715014B1/en not_active IP Right Cessation
- 2003-10-08 CA CA002504174A patent/CA2504174A1/en not_active Abandoned
- 2003-10-08 AU AU2003271119A patent/AU2003271119A1/en not_active Abandoned
- 2003-10-08 WO PCT/JP2003/012859 patent/WO2004040552A1/en active IP Right Grant
- 2003-10-08 DE DE60321712T patent/DE60321712D1/en not_active Expired - Lifetime
- 2003-10-08 EP EP03751372A patent/EP1564723B1/en not_active Expired - Fee Related
-
2005
- 2005-11-03 HK HK05109774A patent/HK1077913A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
JAX P ET AL: "Wideband extension of telephone speech using a hidden Markov model", IEEE WORKSHOP ON SPEECH CODING. PROCEEDINGS. MEETING THE CHALLENGES OF THE NEW MILLENNIUM, 17 September 2000 (2000-09-17), pages 133 - 135, XP002185445 * |
Also Published As
Publication number | Publication date |
---|---|
JP4438280B2 (en) | 2010-03-24 |
EP1564723B1 (en) | 2008-06-18 |
EP1564723A1 (en) | 2005-08-17 |
HK1077913A1 (en) | 2006-02-24 |
KR20050061579A (en) | 2005-06-22 |
CA2504174A1 (en) | 2004-05-13 |
CN100498933C (en) | 2009-06-10 |
AU2003271119A1 (en) | 2004-05-25 |
WO2004040552A1 (en) | 2004-05-13 |
JP2004151424A (en) | 2004-05-27 |
KR100715014B1 (en) | 2007-05-09 |
DE60321712D1 (en) | 2008-07-31 |
CN1708786A (en) | 2005-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1590953A4 (en) | Color conversion method and profile generation method | |
IL162577A0 (en) | Content conversion method and apparatus | |
SI2271107T1 (en) | Moving picture coding method and moving picture decodig method | |
EP1489599A4 (en) | Coding device, decoding device, coding method, and decoding method | |
EP1557972A4 (en) | Streaming system and streaming method | |
AU2003297037A8 (en) | Illuminant and method | |
HK1073914A1 (en) | Code conversion method and device | |
EP1503370A4 (en) | Coding method, coding device, decoding method, and decoding device | |
GB0208104D0 (en) | Method | |
GB0203306D0 (en) | Method | |
EP1568661A4 (en) | Reducing water and its producing method | |
EP1676262A4 (en) | Method and system for speech coding | |
IL157950A0 (en) | Content conversion method and apparatus | |
EP1599043A4 (en) | Code conversion method and device thereof | |
EP1599904A4 (en) | Lateral lubistor structure and method | |
HK1077913A1 (en) | Transcoder and coder conversion method | |
AU2003258070A8 (en) | Electrodionization method | |
EP1566816A4 (en) | Cable and cable identificating method | |
GB0205509D0 (en) | Method | |
EP1581004A4 (en) | Encoder and its method | |
AU2003217890A8 (en) | Coder apparatus for resonant power conversion and method | |
EP1617411A4 (en) | Code conversion method and device | |
AUPS283602A0 (en) | Improved conversion and encoding techniques | |
HK1077389A1 (en) | Code conversion method and device for code conversion | |
AU2003249113A8 (en) | Apparatus and method to reduce quantization error |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050513 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20051107 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7G 10L 19/00 A Ipc: 7G 10L 21/02 B |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1077913 Country of ref document: HK |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 60321712 Country of ref document: DE Date of ref document: 20080731 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1077913 Country of ref document: HK |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20090319 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171004 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20171004 Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20180913 Year of fee payment: 16 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 60321712 Country of ref document: DE |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20181008 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190501 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181008 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191031 |