SG10201604643RA - Audio encoder and decoder with program loudness and boundary metadata - Google Patents

Audio encoder and decoder with program loudness and boundary metadata

Info

Publication number
SG10201604643RA
SG10201604643RA SG10201604643RA SG10201604643RA SG10201604643RA SG 10201604643R A SG10201604643R A SG 10201604643RA SG 10201604643R A SG10201604643R A SG 10201604643RA SG 10201604643R A SG10201604643R A SG 10201604643RA SG 10201604643R A SG10201604643R A SG 10201604643RA
Authority
SG
Singapore
Prior art keywords
decoder
audio encoder
boundary metadata
program loudness
loudness
Prior art date
Application number
SG10201604643RA
Other languages
English (en)
Inventor
Michael Grant
Scott Gregory Norcross
Jeffrey Riedmiller
Michael Ward
Original Assignee
Dolby Lab Licensing 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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of SG10201604643RA publication Critical patent/SG10201604643RA/en

Links

Classifications

    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/008—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 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
SG10201604643RA 2013-01-21 2014-01-15 Audio encoder and decoder with program loudness and boundary metadata SG10201604643RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361754882P 2013-01-21 2013-01-21
US201361824010P 2013-05-16 2013-05-16

Publications (1)

Publication Number Publication Date
SG10201604643RA true SG10201604643RA (en) 2016-07-28

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Country Status (22)

Country Link
US (6) US9916838B2 (ja)
EP (3) EP2901449B1 (ja)
JP (9) JP6212565B2 (ja)
KR (8) KR102488704B1 (ja)
CN (2) CN104737228B (ja)
AU (1) AU2014207590B2 (ja)
BR (5) BR112015007723B1 (ja)
CA (1) CA2888350C (ja)
DK (1) DK2901449T3 (ja)
ES (4) ES2749089T3 (ja)
HK (3) HK1212091A1 (ja)
HU (1) HUE036119T2 (ja)
IL (9) IL293618A (ja)
MX (6) MX343571B (ja)
MY (2) MY193854A (ja)
PL (1) PL2901449T3 (ja)
RU (3) RU2719690C2 (ja)
SG (2) SG11201502405RA (ja)
TR (1) TR201802631T4 (ja)
TW (9) TWI696171B (ja)
UA (3) UA122050C2 (ja)
WO (1) WO2014113465A1 (ja)

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