HK1079368A1 - Audio data code conversion transmission method and code conversion reception method, device and system - Google Patents

Audio data code conversion transmission method and code conversion reception method, device and system

Info

Publication number
HK1079368A1
HK1079368A1 HK05111300.7A HK05111300A HK1079368A1 HK 1079368 A1 HK1079368 A1 HK 1079368A1 HK 05111300 A HK05111300 A HK 05111300A HK 1079368 A1 HK1079368 A1 HK 1079368A1
Authority
HK
Hong Kong
Prior art keywords
code conversion
audio data
transmission method
data code
reception method
Prior art date
Application number
HK05111300.7A
Other languages
English (en)
Inventor
Kazunori Ozawa
Hiroaki Dei
Atsushi Hatabu
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of HK1079368A1 publication Critical patent/HK1079368A1/xx

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
HK05111300.7A 2002-04-26 2005-12-09 Audio data code conversion transmission method and code conversion reception method, device and system HK1079368A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002126600A JP4016709B2 (ja) 2002-04-26 2002-04-26 オーディオデータの符号変換伝送方法と符号変換受信方法及び装置とシステムならびにプログラム
PCT/JP2003/005183 WO2003098860A1 (fr) 2002-04-26 2003-04-23 .procede de transmission de conversion de codes de donnees audio, ainsi que procede, dispositif, systeme et programme de reception de conversion de codes

Publications (1)

Publication Number Publication Date
HK1079368A1 true HK1079368A1 (en) 2006-03-31

Family

ID=29540962

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05111300.7A HK1079368A1 (en) 2002-04-26 2005-12-09 Audio data code conversion transmission method and code conversion reception method, device and system

Country Status (9)

Country Link
US (3) US7180434B2 (xx)
EP (1) EP1501227B1 (xx)
JP (1) JP4016709B2 (xx)
KR (1) KR20040104647A (xx)
CN (1) CN100435506C (xx)
CA (1) CA2483406A1 (xx)
DE (1) DE60322693D1 (xx)
HK (1) HK1079368A1 (xx)
WO (1) WO2003098860A1 (xx)

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Also Published As

Publication number Publication date
CN100435506C (zh) 2008-11-19
EP1501227A1 (en) 2005-01-26
US7298295B2 (en) 2007-11-20
EP1501227B1 (en) 2008-08-06
CA2483406A1 (en) 2003-11-27
EP1501227A4 (en) 2007-04-18
JP4016709B2 (ja) 2007-12-05
WO2003098860A1 (fr) 2003-11-27
DE60322693D1 (de) 2008-09-18
US20060049966A1 (en) 2006-03-09
US7180434B2 (en) 2007-02-20
KR20040104647A (ko) 2004-12-10
JP2003318851A (ja) 2003-11-07
US20060214824A1 (en) 2006-09-28
US20070030181A1 (en) 2007-02-08
US7397411B2 (en) 2008-07-08
CN1650561A (zh) 2005-08-03

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130423