DK3872809T3 - BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS - Google Patents

BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS Download PDF

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Publication number
DK3872809T3
DK3872809T3 DK21164481.0T DK21164481T DK3872809T3 DK 3872809 T3 DK3872809 T3 DK 3872809T3 DK 21164481 T DK21164481 T DK 21164481T DK 3872809 T3 DK3872809 T3 DK 3872809T3
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DK
Denmark
Prior art keywords
high frequency
audio signals
reconstruction techniques
backwards compatible
frequency reconstruction
Prior art date
Application number
DK21164481.0T
Other languages
Danish (da)
Inventor
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
Kristofer Kjoerling
Original Assignee
Dolby Int Ab
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Publication date
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Publication of DK3872809T3 publication Critical patent/DK3872809T3/en

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    • 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)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (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)
DK21164481.0T 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS DK3872809T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18153683 2018-01-26
EP19153875.0A EP3518233B1 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals

Publications (1)

Publication Number Publication Date
DK3872809T3 true DK3872809T3 (en) 2022-08-22

Family

ID=61054251

Family Applications (4)

Application Number Title Priority Date Filing Date
DK21164481.0T DK3872809T3 (en) 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
DK22189216.9T DK4120261T3 (en) 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
DK22181854.5T DK4099325T3 (en) 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
DK19153875.0T DK3518233T3 (en) 2018-01-26 2019-01-28 REAR COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS

Family Applications After (3)

Application Number Title Priority Date Filing Date
DK22189216.9T DK4120261T3 (en) 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
DK22181854.5T DK4099325T3 (en) 2018-01-26 2019-01-28 BACKWARDS COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
DK19153875.0T DK3518233T3 (en) 2018-01-26 2019-01-28 REAR COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS

Country Status (6)

Country Link
EP (7) EP3872809B1 (en)
DK (4) DK3872809T3 (en)
ES (4) ES2924955T3 (en)
FI (2) FI4099325T3 (en)
HU (4) HUE054531T2 (en)
PL (4) PL3518233T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113192523A (en) * 2020-01-13 2021-07-30 华为技术有限公司 Audio coding and decoding method and audio coding and decoding equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI758146B (en) * 2015-03-13 2022-03-11 瑞典商杜比國際公司 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Also Published As

Publication number Publication date
EP4303871A3 (en) 2024-03-20
PL4120261T3 (en) 2024-03-25
EP4303870A2 (en) 2024-01-10
PL3518233T3 (en) 2021-08-16
EP4303869A2 (en) 2024-01-10
HUE062211T2 (en) 2023-10-28
FI4120261T3 (en) 2024-01-12
EP4099325A1 (en) 2022-12-07
HUE059669T2 (en) 2022-12-28
EP3872809B1 (en) 2022-07-27
EP3872809A1 (en) 2021-09-01
EP4120261B1 (en) 2023-11-29
ES2948839T3 (en) 2023-09-20
DK4099325T3 (en) 2023-06-19
EP4120261A1 (en) 2023-01-18
ES2969225T3 (en) 2024-05-17
ES2871872T3 (en) 2021-11-02
DK4120261T3 (en) 2024-01-22
EP4099325B1 (en) 2023-05-17
FI4099325T3 (en) 2023-06-13
EP4303871A2 (en) 2024-01-10
DK3518233T3 (en) 2021-05-10
PL4099325T3 (en) 2023-08-14
ES2924955T3 (en) 2022-10-11
EP3518233A1 (en) 2019-07-31
HUE065166T2 (en) 2024-05-28
EP4303870A3 (en) 2024-03-20
PL3872809T3 (en) 2022-09-26
HUE054531T2 (en) 2021-09-28
EP4303869A3 (en) 2024-03-20
EP3518233B1 (en) 2021-04-07

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