AU2003217859A1 - Transcoding of speech in a packet network environment - Google Patents

Transcoding of speech in a packet network environment

Info

Publication number
AU2003217859A1
AU2003217859A1 AU2003217859A AU2003217859A AU2003217859A1 AU 2003217859 A1 AU2003217859 A1 AU 2003217859A1 AU 2003217859 A AU2003217859 A AU 2003217859A AU 2003217859 A AU2003217859 A AU 2003217859A AU 2003217859 A1 AU2003217859 A1 AU 2003217859A1
Authority
AU
Australia
Prior art keywords
transcoding
speech
network environment
packet network
packet
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.)
Abandoned
Application number
AU2003217859A
Inventor
Adil Benyassine
Yang Gao
Eyal Shlomot
Huan-Yu Su
Jes Thyssen
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.)
Conexant Systems LLC
Original Assignee
Conexant Systems LLC
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
Application filed by Conexant Systems LLC filed Critical Conexant Systems LLC
Publication of AU2003217859A1 publication Critical patent/AU2003217859A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
AU2003217859A 2002-05-13 2003-02-26 Transcoding of speech in a packet network environment Abandoned AU2003217859A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14553302A 2002-05-13 2002-05-13
US10/145,533 2002-05-13
PCT/US2003/006335 WO2003098598A1 (en) 2002-05-13 2003-02-26 Transcoding of speech in a packet network environment

Publications (1)

Publication Number Publication Date
AU2003217859A1 true AU2003217859A1 (en) 2003-12-02

Family

ID=29548267

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003217859A Abandoned AU2003217859A1 (en) 2002-05-13 2003-02-26 Transcoding of speech in a packet network environment

Country Status (7)

Country Link
EP (1) EP1504441A4 (en)
JP (1) JP2005531017A (en)
KR (1) KR20040104701A (en)
CN (1) CN1653515A (en)
AU (1) AU2003217859A1 (en)
IL (1) IL165147A0 (en)
WO (1) WO2003098598A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7613607B2 (en) 2003-12-18 2009-11-03 Nokia Corporation Audio enhancement in coded domain
CN100369108C (en) * 2003-12-18 2008-02-13 诺基亚公司 Audio enhancement in coded domain
EP1544848B1 (en) * 2003-12-18 2010-01-20 Nokia Corporation Audio enhancement in coded domain
JP4721355B2 (en) * 2006-07-18 2011-07-13 Ｋｄｄｉ株式会社 Coding rule conversion method and apparatus for coded data
KR100945245B1 (en) 2007-08-10 2010-03-03 한국전자통신연구원 Method and apparatus for secure and efficient partial encryption of speech packets
JP5054787B2 (en) 2007-12-28 2012-10-24 パナソニック株式会社 Audio mixing and playback device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694519A (en) * 1992-02-18 1997-12-02 Lucent Technologies, Inc. Tunable post-filter for tandem coders
FR2700087B1 (en) * 1992-12-30 1995-02-10 Alcatel Radiotelephone Method for adaptive positioning of a speech coder / decoder within a communication infrastructure.
JP3616432B2 (en) * 1995-07-27 2005-02-02 日本電気株式会社 Speech encoding device
US5771452A (en) * 1995-10-25 1998-06-23 Northern Telecom Limited System and method for providing cellular communication services using a transcoder
US5995923A (en) * 1997-06-26 1999-11-30 Nortel Networks Corporation Method and apparatus for improving the voice quality of tandemed vocoders
US6260009B1 (en) * 1999-02-12 2001-07-10 Qualcomm Incorporated CELP-based to CELP-based vocoder packet translation
US7006787B1 (en) * 2000-02-14 2006-02-28 Lucent Technologies Inc. Mobile to mobile digital wireless connection having enhanced voice quality

Also Published As

Publication number Publication date
EP1504441A4 (en) 2005-12-14
CN1653515A (en) 2005-08-10
KR20040104701A (en) 2004-12-10
JP2005531017A (en) 2005-10-13
EP1504441A1 (en) 2005-02-09
IL165147A0 (en) 2005-12-18
WO2003098598A1 (en) 2003-11-27

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase