DK4099325T3 - Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler - Google Patents

Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler Download PDF

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Publication number
DK4099325T3
DK4099325T3 DK22181854.5T DK22181854T DK4099325T3 DK 4099325 T3 DK4099325 T3 DK 4099325T3 DK 22181854 T DK22181854 T DK 22181854T DK 4099325 T3 DK4099325 T3 DK 4099325T3
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DK
Denmark
Prior art keywords
high frequency
audio signals
reconstruction techniques
backwards compatible
frequency reconstruction
Prior art date
Application number
DK22181854.5T
Other languages
English (en)
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
Application granted granted Critical
Publication of DK4099325T3 publication Critical patent/DK4099325T3/da

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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

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  • 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)
DK22181854.5T 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler DK4099325T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18153683 2018-01-26
EP21164481.0A EP3872809B1 (en) 2018-01-26 2019-01-28 Backward-compatible integration of high frequency reconstruction techniques for audio signals

Publications (1)

Publication Number Publication Date
DK4099325T3 true DK4099325T3 (da) 2023-06-19

Family

ID=61054251

Family Applications (4)

Application Number Title Priority Date Filing Date
DK19153875.0T DK3518233T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler
DK22181854.5T DK4099325T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler
DK21164481.0T DK3872809T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler
DK22189216.9T DK4120261T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK19153875.0T DK3518233T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler

Family Applications After (2)

Application Number Title Priority Date Filing Date
DK21164481.0T DK3872809T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler
DK22189216.9T DK4120261T3 (da) 2018-01-26 2019-01-28 Bagudkompatibel integration af højfrekvensrekonstruktionsteknikker til lydsignaler

Country Status (6)

Country Link
EP (7) EP4120261B1 (da)
DK (4) DK3518233T3 (da)
ES (4) ES2969225T3 (da)
FI (2) FI4099325T3 (da)
HU (3) HUE054531T2 (da)
PL (4) PL3518233T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113192523A (zh) * 2020-01-13 2021-07-30 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202242853A (zh) * 2015-03-13 2022-11-01 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流

Also Published As

Publication number Publication date
EP4099325A1 (en) 2022-12-07
ES2969225T3 (es) 2024-05-17
DK3872809T3 (da) 2022-08-22
HUE062211T2 (hu) 2023-10-28
EP4303870A3 (en) 2024-03-20
PL4099325T3 (pl) 2023-08-14
ES2871872T3 (es) 2021-11-02
HUE059669T2 (hu) 2022-12-28
EP3872809A1 (en) 2021-09-01
EP4303869A2 (en) 2024-01-10
EP3518233A1 (en) 2019-07-31
DK4120261T3 (da) 2024-01-22
PL3518233T3 (pl) 2021-08-16
EP4303870A2 (en) 2024-01-10
EP4120261A1 (en) 2023-01-18
PL4120261T3 (pl) 2024-03-25
PL3872809T3 (pl) 2022-09-26
DK3518233T3 (da) 2021-05-10
EP4120261B1 (en) 2023-11-29
FI4099325T3 (fi) 2023-06-13
EP3872809B1 (en) 2022-07-27
EP3518233B1 (en) 2021-04-07
HUE054531T2 (hu) 2021-09-28
ES2948839T3 (es) 2023-09-20
FI4120261T3 (fi) 2024-01-12
EP4099325B1 (en) 2023-05-17
EP4303869A3 (en) 2024-03-20
EP4303871A3 (en) 2024-03-20
EP4303871A2 (en) 2024-01-10
ES2924955T3 (es) 2022-10-11

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