MA52530A - Intégration de techniques de reconstruction audio haute fréquence - Google Patents

Intégration de techniques de reconstruction audio haute fréquence

Info

Publication number
MA52530A
MA52530A MA052530A MA52530A MA52530A MA 52530 A MA52530 A MA 52530A MA 052530 A MA052530 A MA 052530A MA 52530 A MA52530 A MA 52530A MA 52530 A MA52530 A MA 52530A
Authority
MA
Morocco
Prior art keywords
integration
high frequency
frequency audio
reconstruction techniques
audio reconstruction
Prior art date
Application number
MA052530A
Other languages
English (en)
Inventor
Per Ekstrand
Kristofer Kjoerling
Heiko Purnhagen
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 MA52530A publication Critical patent/MA52530A/fr

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
    • G10L19/02—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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L19/16—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
MA052530A 2018-04-25 2019-04-25 Intégration de techniques de reconstruction audio haute fréquence MA52530A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18169156 2018-04-25

Publications (1)

Publication Number Publication Date
MA52530A true MA52530A (fr) 2021-03-03

Family

ID=62063367

Family Applications (1)

Application Number Title Priority Date Filing Date
MA052530A MA52530A (fr) 2018-04-25 2019-04-25 Intégration de techniques de reconstruction audio haute fréquence

Country Status (15)

Country Link
US (7) US11527256B2 (fr)
EP (1) EP3785260A1 (fr)
JP (2) JP7252976B2 (fr)
KR (1) KR20210005164A (fr)
CN (1) CN112189231A (fr)
AU (1) AU2019258524B2 (fr)
BR (1) BR112020021832A2 (fr)
CA (1) CA3098064A1 (fr)
CL (1) CL2020002745A1 (fr)
IL (3) IL310202A (fr)
MA (1) MA52530A (fr)
MX (1) MX2020011206A (fr)
SG (1) SG11202010374VA (fr)
WO (1) WO2019207036A1 (fr)
ZA (1) ZA202006518B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
JP2023068156A (ja) 2023-05-16
CL2020002745A1 (es) 2021-01-29
US11810591B2 (en) 2023-11-07
MX2020011206A (es) 2020-11-13
KR20210005164A (ko) 2021-01-13
US20210082451A1 (en) 2021-03-18
US11810592B2 (en) 2023-11-07
AU2019258524A1 (en) 2020-12-03
CA3098064A1 (fr) 2019-10-31
US11810589B2 (en) 2023-11-07
US11862185B2 (en) 2024-01-02
ZA202006518B (en) 2023-10-25
BR112020021832A2 (pt) 2021-02-23
WO2019207036A1 (fr) 2019-10-31
JP7252976B2 (ja) 2023-04-05
US20230197102A1 (en) 2023-06-22
IL278223B1 (en) 2023-08-01
US20230197103A1 (en) 2023-06-22
US20240087590A1 (en) 2024-03-14
AU2019258524B2 (en) 2024-03-28
IL303445B1 (en) 2024-02-01
US11527256B2 (en) 2022-12-13
CN112189231A (zh) 2021-01-05
IL310202A (en) 2024-03-01
EP3785260A1 (fr) 2021-03-03
US11810590B2 (en) 2023-11-07
IL278223B2 (en) 2023-12-01
IL303445A (en) 2023-08-01
JP2021522543A (ja) 2021-08-30
SG11202010374VA (en) 2020-11-27
US20230197104A1 (en) 2023-06-22
IL278223A (en) 2020-11-30
US20230087552A1 (en) 2023-03-23
US20230197101A1 (en) 2023-06-22

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