SI2024967T1 - Binavralni večkanalni dekoder v kontekstu pravilza mešanje navzgor brez ohranjanja energije - Google Patents

Binavralni večkanalni dekoder v kontekstu pravilza mešanje navzgor brez ohranjanja energije

Info

Publication number
SI2024967T1
SI2024967T1 SI200631042T SI200631042T SI2024967T1 SI 2024967 T1 SI2024967 T1 SI 2024967T1 SI 200631042 T SI200631042 T SI 200631042T SI 200631042 T SI200631042 T SI 200631042T SI 2024967 T1 SI2024967 T1 SI 2024967T1
Authority
SI
Slovenia
Prior art keywords
energy
binaural
channel decoder
context
upmix
Prior art date
Application number
SI200631042T
Other languages
English (en)
Inventor
Lars Villemoes
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of SI2024967T1 publication Critical patent/SI2024967T1/sl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Television Signal Processing For Recording (AREA)
SI200631042T 2006-06-02 2006-09-04 Binavralni večkanalni dekoder v kontekstu pravilza mešanje navzgor brez ohranjanja energije SI2024967T1 (sl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US80381906P 2006-06-02 2006-06-02
EP06791818A EP2024967B1 (en) 2006-06-02 2006-09-04 Binaural multi-channel decoder in the context of non-energy-conserving upmix rules
PCT/EP2006/008613 WO2007140809A1 (en) 2006-06-02 2006-09-04 Binaural multi-channel decoder in the context of non-energy-conserving upmix rules

Publications (1)

Publication Number Publication Date
SI2024967T1 true SI2024967T1 (sl) 2011-11-30

Family

ID=37685624

Family Applications (1)

Application Number Title Priority Date Filing Date
SI200631042T SI2024967T1 (sl) 2006-06-02 2006-09-04 Binavralni večkanalni dekoder v kontekstu pravilza mešanje navzgor brez ohranjanja energije

Country Status (12)

Country Link
US (19) US8027479B2 (sl)
EP (2) EP2024967B1 (sl)
JP (1) JP4834153B2 (sl)
KR (1) KR101004834B1 (sl)
CN (3) CN102547551B (sl)
AT (1) ATE503244T1 (sl)
DE (1) DE602006020936D1 (sl)
ES (1) ES2527918T3 (sl)
MY (4) MY157026A (sl)
SI (1) SI2024967T1 (sl)
TW (1) TWI338461B (sl)
WO (1) WO2007140809A1 (sl)

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