MX375380B - Codificador y descodificador de audio - Google Patents

Codificador y descodificador de audio

Info

Publication number
MX375380B
MX375380B MX2017010953A MX2017010953A MX375380B MX 375380 B MX375380 B MX 375380B MX 2017010953 A MX2017010953 A MX 2017010953A MX 2017010953 A MX2017010953 A MX 2017010953A MX 375380 B MX375380 B MX 375380B
Authority
MX
Mexico
Prior art keywords
encoding
decoding
audio
coding
vector
Prior art date
Application number
MX2017010953A
Other languages
English (en)
Spanish (es)
Inventor
Heiko Purnhagen
Leif Jonas Samuelsson
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 MX375380B publication Critical patent/MX375380B/es

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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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 
    • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Stereophonic System (AREA)
MX2017010953A 2013-05-24 2014-05-23 Codificador y descodificador de audio MX375380B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361827264P 2013-05-24 2013-05-24
PCT/EP2014/060731 WO2014187988A2 (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Publications (1)

Publication Number Publication Date
MX375380B true MX375380B (es) 2025-03-06

Family

ID=50771514

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2017010953A MX375380B (es) 2013-05-24 2014-05-23 Codificador y descodificador de audio
MX2015015926A MX350117B (es) 2013-05-24 2014-05-23 Codificador y descodificador de audio.
MX2020010038A MX2020010038A (es) 2013-05-24 2015-11-19 Codificador y descodificador de audio.

Family Applications After (2)

Application Number Title Priority Date Filing Date
MX2015015926A MX350117B (es) 2013-05-24 2014-05-23 Codificador y descodificador de audio.
MX2020010038A MX2020010038A (es) 2013-05-24 2015-11-19 Codificador y descodificador de audio.

Country Status (18)

Country Link
US (8) US9704493B2 (enExample)
EP (6) EP4290510B1 (enExample)
JP (8) JP6105159B2 (enExample)
KR (10) KR102572382B1 (enExample)
CN (2) CN110085238B (enExample)
AU (1) AU2014270301B2 (enExample)
BR (1) BR112015029031B1 (enExample)
CA (5) CA2911746C (enExample)
DK (1) DK3005350T3 (enExample)
ES (4) ES2965423T3 (enExample)
IL (1) IL242410B (enExample)
MX (3) MX375380B (enExample)
MY (2) MY199032A (enExample)
PL (1) PL3005350T3 (enExample)
RU (3) RU2676041C1 (enExample)
SG (2) SG11201509001YA (enExample)
UA (1) UA112833C2 (enExample)
WO (1) WO2014187988A2 (enExample)

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Also Published As

Publication number Publication date
KR20200145837A (ko) 2020-12-30
EP3605532A1 (en) 2020-02-05
US20160111098A1 (en) 2016-04-21
CA3077876C (en) 2022-08-09
WO2014187988A2 (en) 2014-11-27
EP4700767A2 (en) 2026-02-25
EP3005350B1 (en) 2017-05-10
RU2643489C2 (ru) 2018-02-01
JP6573640B2 (ja) 2019-09-11
US10714104B2 (en) 2020-07-14
BR112015029031A2 (pt) 2017-07-25
DK3005350T3 (en) 2017-07-17
JP7877418B2 (ja) 2026-06-22
JP2026127758A (ja) 2026-08-06
KR102280461B1 (ko) 2021-07-22
US9940939B2 (en) 2018-04-10
RU2019141091A (ru) 2021-06-15
JP6920382B2 (ja) 2021-08-18
KR101895198B1 (ko) 2018-09-07
US9704493B2 (en) 2017-07-11
US10418038B2 (en) 2019-09-17
BR112015029031B1 (pt) 2021-02-23
CA3251568A1 (en) 2025-02-24
MY199032A (en) 2023-10-10
RU2015155311A (ru) 2017-06-30
CA2990261C (en) 2020-06-16
EP3961622A1 (en) 2022-03-02
IL242410B (en) 2018-11-29
US20180240465A1 (en) 2018-08-23
CA2911746C (en) 2018-02-13
US11594233B2 (en) 2023-02-28
US20250356860A1 (en) 2025-11-20
US20210390963A1 (en) 2021-12-16
CN105229729B (zh) 2019-03-19
ES3057878T3 (en) 2026-03-05
MX350117B (es) 2017-08-28
US12236961B2 (en) 2025-02-25
MX2020010038A (es) 2020-10-14
RU2710909C1 (ru) 2020-01-14
KR102192245B1 (ko) 2020-12-17
EP4290510A3 (en) 2024-02-14
KR20240151867A (ko) 2024-10-18
KR102459010B1 (ko) 2022-10-27
US20200013415A1 (en) 2020-01-09
CA3163664C (en) 2025-07-08
JP2021179627A (ja) 2021-11-18
AU2014270301A1 (en) 2015-11-19
SG10201710019SA (en) 2018-01-30
CA2911746A1 (en) 2014-11-27
KR101763131B1 (ko) 2017-07-31
JP2023076575A (ja) 2023-06-01
MX2015015926A (es) 2016-04-06
JP2017102484A (ja) 2017-06-08
MY173644A (en) 2020-02-13
US20200411017A1 (en) 2020-12-31
KR102384348B1 (ko) 2022-04-08
EP3961622B1 (en) 2023-11-01
PL3005350T3 (pl) 2017-09-29
JP6105159B2 (ja) 2017-03-29
ES2902518T3 (es) 2022-03-28
KR102572382B1 (ko) 2023-09-01
KR20220045259A (ko) 2022-04-12
US11024320B2 (en) 2021-06-01
KR20200013091A (ko) 2020-02-05
WO2014187988A3 (en) 2015-02-05
JP7258086B2 (ja) 2023-04-14
EP3005350A2 (en) 2016-04-13
KR20210060660A (ko) 2021-05-26
CN110085238A (zh) 2019-08-02
CA3077876A1 (en) 2014-11-27
AU2014270301B2 (en) 2017-08-03
ES2965423T3 (es) 2024-04-15
KR20170087971A (ko) 2017-07-31
US20170309279A1 (en) 2017-10-26
US20230282219A1 (en) 2023-09-07
KR20220148314A (ko) 2022-11-04
EP3605532B1 (en) 2021-09-29
JP7875333B2 (ja) 2026-06-17
CN110085238B (zh) 2023-06-02
CA2990261A1 (en) 2014-11-27
KR102072777B1 (ko) 2020-02-03
KR20160013154A (ko) 2016-02-03
JP7585379B2 (ja) 2024-11-18
KR20230129576A (ko) 2023-09-08
CN105229729A (zh) 2016-01-06
EP3252757A1 (en) 2017-12-06
UA112833C2 (uk) 2016-10-25
EP4290510B1 (en) 2025-11-05
KR20180099942A (ko) 2018-09-05
SG11201509001YA (en) 2015-12-30
RU2676041C1 (ru) 2018-12-25
HK1217246A1 (en) 2016-12-30
ES2629025T3 (es) 2017-08-07
EP4700767A3 (en) 2026-03-11
KR102715092B1 (ko) 2024-10-11
JP2025028867A (ja) 2025-03-05
EP3252757B1 (en) 2019-12-25
JP2016526186A (ja) 2016-09-01
CA3163664A1 (en) 2014-11-27
EP4290510A2 (en) 2023-12-13
JP2025100674A (ja) 2025-07-03
JP2020016884A (ja) 2020-01-30

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