ES3067484T3 - Backward-compatible integration of high frequency reconstruction techniques for audio signals - Google Patents

Backward-compatible integration of high frequency reconstruction techniques for audio signals

Info

Publication number
ES3067484T3
ES3067484T3 ES25164867T ES25164867T ES3067484T3 ES 3067484 T3 ES3067484 T3 ES 3067484T3 ES 25164867 T ES25164867 T ES 25164867T ES 25164867 T ES25164867 T ES 25164867T ES 3067484 T3 ES3067484 T3 ES 3067484T3
Authority
ES
Spain
Prior art keywords
audio
bitstream
data
metadata
sbr
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES25164867T
Other languages
English (en)
Spanish (es)
Inventor
Kristofer Kjoerling
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International 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 International AB filed Critical Dolby International AB
Application granted granted Critical
Publication of ES3067484T3 publication Critical patent/ES3067484T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • 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
    • G10L19/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (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)
ES25164867T 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals Active ES3067484T3 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES3067484T3 true ES3067484T3 (en) 2026-05-22

Family

ID=61054251

Family Applications (11)

Application Number Title Priority Date Filing Date
ES25164867T Active ES3067484T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES23210525T Active ES3030182T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES25164868T Active ES3069236T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES25165078T Active ES3067971T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES19153875T Active ES2871872T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES23210524T Active ES3029582T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES21164481T Active ES2924955T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES23210523T Active ES3032614T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES22181854T Active ES2948839T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES25165036T Active ES3069239T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES22189216T Active ES2969225T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio

Family Applications After (10)

Application Number Title Priority Date Filing Date
ES23210525T Active ES3030182T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES25164868T Active ES3069236T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES25165078T Active ES3067971T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES19153875T Active ES2871872T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES23210524T Active ES3029582T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES21164481T Active ES2924955T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES23210523T Active ES3032614T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES22181854T Active ES2948839T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES25165036T Active ES3069239T3 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals
ES22189216T Active ES2969225T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio

Country Status (6)

Country Link
EP (12) EP4550314B1 (de)
DK (4) DK3518233T3 (de)
ES (11) ES3067484T3 (de)
FI (2) FI4099325T3 (de)
HU (7) HUE062211T2 (de)
PL (11) PL4550314T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113113032B (zh) * 2020-01-10 2024-08-09 华为技术有限公司 一种音频编解码方法和音频编解码设备
CN113192523B (zh) * 2020-01-13 2024-07-16 华为技术有限公司 一种音频编解码方法和音频编解码设备
CA3194876A1 (en) * 2020-10-09 2022-04-14 Franz REUTELHUBER Apparatus, method, or computer program for processing an encoded audio scene using a bandwidth extension

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301094B2 (ja) * 1991-12-13 2002-07-15 株式会社デンソー 内燃機関用スパークプラグおよびその製造方法
TWI879690B (zh) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體

Also Published As

Publication number Publication date
PL3518233T3 (pl) 2021-08-16
DK3872809T3 (da) 2022-08-22
EP4303869A2 (de) 2024-01-10
ES3030182T3 (en) 2025-06-26
HUE054531T2 (hu) 2021-09-28
HUE062211T2 (hu) 2023-10-28
EP4550314C0 (de) 2026-03-18
PL4550315T3 (pl) 2026-06-01
DK4099325T3 (da) 2023-06-19
FI4120261T3 (fi) 2024-01-12
EP4550314A2 (de) 2025-05-07
EP4769390A2 (de) 2026-07-01
ES3067971T3 (en) 2026-05-26
EP4550316C0 (de) 2026-03-18
EP4550315A2 (de) 2025-05-07
EP3872809A1 (de) 2021-09-01
ES3069236T3 (en) 2026-06-04
EP4550317A3 (de) 2025-05-28
PL4550317T3 (pl) 2026-05-25
EP4303871A2 (de) 2024-01-10
EP4120261B1 (de) 2023-11-29
HUE071338T2 (hu) 2025-08-28
EP4550317C0 (de) 2026-03-18
ES2924955T3 (es) 2022-10-11
ES3069239T3 (en) 2026-06-04
DK3518233T3 (da) 2021-05-10
PL4303869T3 (pl) 2025-07-14
EP4550315A3 (de) 2025-05-28
EP3518233A1 (de) 2019-07-31
EP3518233B1 (de) 2021-04-07
EP4550317B1 (de) 2026-03-18
EP4120261A1 (de) 2023-01-18
PL4099325T3 (pl) 2023-08-14
ES3032614T3 (en) 2025-07-22
EP4550315B1 (de) 2026-03-18
PL4303871T3 (pl) 2025-07-14
HUE065166T2 (hu) 2024-05-28
FI4099325T3 (fi) 2023-06-13
PL4550314T3 (pl) 2026-05-25
EP4303869C0 (de) 2025-05-07
EP4303870A2 (de) 2024-01-10
PL4303870T3 (pl) 2025-06-30
PL3872809T3 (pl) 2022-09-26
EP4550315C0 (de) 2026-03-18
EP3872809B1 (de) 2022-07-27
EP4303870B1 (de) 2025-04-30
EP4099325A1 (de) 2022-12-07
EP4550314B1 (de) 2026-03-18
ES2871872T3 (es) 2021-11-02
EP4550314A3 (de) 2025-05-28
EP4303871B1 (de) 2025-05-07
ES2969225T3 (es) 2024-05-17
ES3029582T3 (en) 2025-06-24
DK4120261T3 (da) 2024-01-22
HUE071389T2 (hu) 2025-08-28
EP4303870C0 (de) 2025-04-30
PL4120261T3 (pl) 2024-03-25
EP4550316A3 (de) 2025-05-28
EP4303869B1 (de) 2025-05-07
EP4303869A3 (de) 2024-03-20
EP4303870A3 (de) 2024-03-20
EP4303871C0 (de) 2025-05-07
EP4550316B1 (de) 2026-03-18
EP4550316A2 (de) 2025-05-07
HUE071631T2 (hu) 2025-09-28
EP4769390A3 (de) 2026-08-19
EP4550317A2 (de) 2025-05-07
PL4550316T3 (pl) 2026-05-25
EP4099325B1 (de) 2023-05-17
ES2948839T3 (es) 2023-09-20
HUE059669T2 (hu) 2022-12-28
EP4303871A3 (de) 2024-03-20