IL165147A0 - Transcoding of speech in a packet network environment - Google Patents

Transcoding of speech in a packet network environment

Info

Publication number
IL165147A0
IL165147A0 IL16514704A IL16514704A IL165147A0 IL 165147 A0 IL165147 A0 IL 165147A0 IL 16514704 A IL16514704 A IL 16514704A IL 16514704 A IL16514704 A IL 16514704A IL 165147 A0 IL165147 A0 IL 165147A0
Authority
IL
Israel
Prior art keywords
transcoding
speech
network environment
packet network
packet
Prior art date
Application number
IL16514704A
Other languages
English (en)
Original Assignee
Mindspeed Tech Inc
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 Mindspeed Tech Inc filed Critical Mindspeed Tech Inc
Publication of IL165147A0 publication Critical patent/IL165147A0/xx

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 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Telephonic Communication Services (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IL16514704A 2002-05-13 2004-11-10 Transcoding of speech in a packet network environment IL165147A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14553302A 2002-05-13 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
IL165147A0 true IL165147A0 (en) 2005-12-18

Family

ID=29548267

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16514704A IL165147A0 (en) 2002-05-13 2004-11-10 Transcoding of speech in a packet network environment

Country Status (7)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100369108C (zh) * 2003-12-18 2008-02-13 诺基亚公司 编码域中的音频增强的方法和设备
US7613607B2 (en) 2003-12-18 2009-11-03 Nokia Corporation Audio enhancement in coded domain
EP1544848B1 (en) * 2003-12-18 2010-01-20 Nokia Corporation Audio enhancement in coded domain
JP4721355B2 (ja) * 2006-07-18 2011-07-13 Ｋｄｄｉ株式会社 符号化データの符号化則変換方法および装置
KR100945245B1 (ko) 2007-08-10 2010-03-03 한국전자통신연구원 안전하고 효율적인 음성 패킷 부분 암호화 방법 및 장치
WO2009084165A1 (ja) 2007-12-28 2009-07-09 Panasonic Corporation 音声混合再生装置

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 (fr) * 1992-12-30 1995-02-10 Alcatel Radiotelephone Procédé de positionnement adaptatif d'un codeur/décodeur de parole au sein d'une infrastructure de communication.
JP3616432B2 (ja) * 1995-07-27 2005-02-02 日本電気株式会社 音声符号化装置
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
JP2005531017A (ja) 2005-10-13
EP1504441A1 (en) 2005-02-09
AU2003217859A1 (en) 2003-12-02
KR20040104701A (ko) 2004-12-10
WO2003098598A1 (en) 2003-11-27
CN1653515A (zh) 2005-08-10

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