HUE054531T2 - Backward compatible integration of high frequency reconstruction techniques to produce audio signals - Google Patents

Backward compatible integration of high frequency reconstruction techniques to produce audio signals

Info

Publication number
HUE054531T2
HUE054531T2 HUE19153875A HUE19153875A HUE054531T2 HU E054531 T2 HUE054531 T2 HU E054531T2 HU E19153875 A HUE19153875 A HU E19153875A HU E19153875 A HUE19153875 A HU E19153875A HU E054531 T2 HUE054531 T2 HU E054531T2
Authority
HU
Hungary
Prior art keywords
high frequency
audio signals
backward compatible
reconstruction techniques
frequency reconstruction
Prior art date
Application number
HUE19153875A
Other languages
Hungarian (hu)
Inventor
Kristofer Kjoerling
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
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 HUE054531T2 publication Critical patent/HUE054531T2/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplitude Modulation (AREA)
HUE19153875A 2018-01-26 2019-01-28 Backward compatible integration of high frequency reconstruction techniques to produce audio signals HUE054531T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18153683 2018-01-26

Publications (1)

Publication Number Publication Date
HUE054531T2 true HUE054531T2 (en) 2021-09-28

Family

ID=61054251

Family Applications (7)

Application Number Title Priority Date Filing Date
HUE23210524A HUE071338T2 (en) 2018-01-26 2019-01-28 Backward compatible integration for high-frequency reconstruction techniques for audio signals
HUE22181854A HUE062211T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high-frequency reconstruction techniques into audio signals
HUE21164481A HUE059669T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
HUE22189216A HUE065166T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
HUE23210525A HUE071389T2 (en) 2018-01-26 2019-01-28 Backward compatible integration for high-frequency reconstruction techniques for audio signals
HUE23210523A HUE071631T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
HUE19153875A HUE054531T2 (en) 2018-01-26 2019-01-28 Backward compatible integration of high frequency reconstruction techniques to produce audio signals

Family Applications Before (6)

Application Number Title Priority Date Filing Date
HUE23210524A HUE071338T2 (en) 2018-01-26 2019-01-28 Backward compatible integration for high-frequency reconstruction techniques for audio signals
HUE22181854A HUE062211T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high-frequency reconstruction techniques into audio signals
HUE21164481A HUE059669T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
HUE22189216A HUE065166T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
HUE23210525A HUE071389T2 (en) 2018-01-26 2019-01-28 Backward compatible integration for high-frequency reconstruction techniques for audio signals
HUE23210523A HUE071631T2 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals

Country Status (6)

Country Link
EP (11) EP4550315B1 (en)
DK (4) DK3872809T3 (en)
ES (7) ES2948839T3 (en)
FI (2) FI4099325T3 (en)
HU (7) HUE071338T2 (en)
PL (7) PL4120261T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113113032B (en) * 2020-01-10 2024-08-09 华为技术有限公司 Audio encoding and decoding method and audio encoding and decoding device
CN113192523B (en) * 2020-01-13 2024-07-16 华为技术有限公司 Audio coding and decoding method and audio coding and decoding device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301094B2 (en) * 1991-12-13 2002-07-15 株式会社デンソー Spark plug for internal combustion engine and method of manufacturing the same
TWI879690B (en) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 Audio processing unit, method for decoding an encoded audio bitstream, and non-transitory computer readable medium

Also Published As

Publication number Publication date
EP4120261A1 (en) 2023-01-18
EP4550316A3 (en) 2025-05-28
EP3872809B1 (en) 2022-07-27
PL4303870T3 (en) 2025-06-30
HUE071389T2 (en) 2025-08-28
EP4550315A2 (en) 2025-05-07
HUE071631T2 (en) 2025-09-28
HUE071338T2 (en) 2025-08-28
DK3872809T3 (en) 2022-08-22
EP4303869A2 (en) 2024-01-10
ES3029582T3 (en) 2025-06-24
EP4303869A3 (en) 2024-03-20
EP4550317A3 (en) 2025-05-28
ES3032614T3 (en) 2025-07-22
DK4099325T3 (en) 2023-06-19
EP4303869C0 (en) 2025-05-07
EP4303871A2 (en) 2024-01-10
EP4303871B1 (en) 2025-05-07
PL4120261T3 (en) 2024-03-25
HUE065166T2 (en) 2024-05-28
EP4120261B1 (en) 2023-11-29
HUE062211T2 (en) 2023-10-28
EP3518233A1 (en) 2019-07-31
HUE059669T2 (en) 2022-12-28
EP4550315A3 (en) 2025-05-28
PL4099325T3 (en) 2023-08-14
EP4550317C0 (en) 2026-03-18
EP4303870A3 (en) 2024-03-20
EP4550315B1 (en) 2026-03-18
EP4550317A2 (en) 2025-05-07
ES2924955T3 (en) 2022-10-11
EP4550314A3 (en) 2025-05-28
EP4550316A2 (en) 2025-05-07
ES2969225T3 (en) 2024-05-17
EP4099325A1 (en) 2022-12-07
EP4550314B1 (en) 2026-03-18
EP4099325B1 (en) 2023-05-17
EP4303870C0 (en) 2025-04-30
EP3518233B1 (en) 2021-04-07
PL3872809T3 (en) 2022-09-26
EP4303870B1 (en) 2025-04-30
PL4303871T3 (en) 2025-07-14
PL3518233T3 (en) 2021-08-16
DK4120261T3 (en) 2024-01-22
EP3872809A1 (en) 2021-09-01
EP4303871A3 (en) 2024-03-20
EP4303869B1 (en) 2025-05-07
EP4303870A2 (en) 2024-01-10
FI4099325T3 (en) 2023-06-13
ES2948839T3 (en) 2023-09-20
FI4120261T3 (en) 2024-01-12
DK3518233T3 (en) 2021-05-10
ES2871872T3 (en) 2021-11-02
EP4550316B1 (en) 2026-03-18
EP4303871C0 (en) 2025-05-07
EP4550314A2 (en) 2025-05-07
PL4303869T3 (en) 2025-07-14
ES3030182T3 (en) 2025-06-26
EP4550317B1 (en) 2026-03-18

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