EP4303871A3 - Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale - Google Patents

Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale Download PDF

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Publication number
EP4303871A3
EP4303871A3 EP23210525.4A EP23210525A EP4303871A3 EP 4303871 A3 EP4303871 A3 EP 4303871A3 EP 23210525 A EP23210525 A EP 23210525A EP 4303871 A3 EP4303871 A3 EP 4303871A3
Authority
EP
European Patent Office
Prior art keywords
high frequency
audio signal
frequency reconstruction
backward
audio signals
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.)
Pending
Application number
EP23210525.4A
Other languages
English (en)
French (fr)
Other versions
EP4303871A2 (de
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
Publication of EP4303871A2 publication Critical patent/EP4303871A2/de
Publication of EP4303871A3 publication Critical patent/EP4303871A3/de
Pending legal-status Critical Current

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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)
  • 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)
EP23210525.4A 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale Pending EP4303871A3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18153683 2018-01-26
EP21164481.0A EP3872809B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22189216.9A EP4120261B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP19153875.0A EP3518233B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22181854.5A EP4099325B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
EP21164481.0A Division EP3872809B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22189216.9A Division EP4120261B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22181854.5A Division EP4099325B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP19153875.0A Division EP3518233B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale

Publications (2)

Publication Number Publication Date
EP4303871A2 EP4303871A2 (de) 2024-01-10
EP4303871A3 true EP4303871A3 (de) 2024-03-20

Family

ID=61054251

Family Applications (7)

Application Number Title Priority Date Filing Date
EP21164481.0A Active EP3872809B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22181854.5A Active EP4099325B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP23210523.9A Pending EP4303869A3 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP23210524.7A Pending EP4303870A3 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22189216.9A Active EP4120261B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP23210525.4A Pending EP4303871A3 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP19153875.0A Active EP3518233B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale

Family Applications Before (5)

Application Number Title Priority Date Filing Date
EP21164481.0A Active EP3872809B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22181854.5A Active EP4099325B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP23210523.9A Pending EP4303869A3 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP23210524.7A Pending EP4303870A3 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale
EP22189216.9A Active EP4120261B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19153875.0A Active EP3518233B1 (de) 2018-01-26 2019-01-28 Rückwärtskompatible integration von hochfrequenzrekonstruktionsverfahren für audiosignale

Country Status (6)

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

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016149015A1 (en) * 2015-03-13 2016-09-22 Dolby Laboratories Licensing Corporation Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016149015A1 (en) * 2015-03-13 2016-09-22 Dolby Laboratories Licensing Corporation Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "ISO/IEC 14496-3:200x, Fourth Edition, part 1", 82. MPEG MEETING;22-10-2007 - 26-10-2007; SHENZHEN; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, 15 May 2009 (2009-05-15), XP030017004 *
ANONYMOUS: "Study on ISO/IEC 23003-3:201x/DIS of Unified Speech and Audio Coding", 96. MPEG MEETING;21-3-2011 - 25-3-2011; GENEVA; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. N12013, 22 April 2011 (2011-04-22), XP030018506 *

Also Published As

Publication number Publication date
PL4120261T3 (pl) 2024-03-25
EP4303870A2 (de) 2024-01-10
PL3518233T3 (pl) 2021-08-16
EP4303869A2 (de) 2024-01-10
HUE062211T2 (hu) 2023-10-28
FI4120261T3 (fi) 2024-01-12
EP4099325A1 (de) 2022-12-07
HUE059669T2 (hu) 2022-12-28
EP3872809B1 (de) 2022-07-27
EP3872809A1 (de) 2021-09-01
EP4120261B1 (de) 2023-11-29
ES2948839T3 (es) 2023-09-20
DK4099325T3 (da) 2023-06-19
EP4120261A1 (de) 2023-01-18
ES2969225T3 (es) 2024-05-17
ES2871872T3 (es) 2021-11-02
DK4120261T3 (da) 2024-01-22
EP4099325B1 (de) 2023-05-17
FI4099325T3 (fi) 2023-06-13
EP4303871A2 (de) 2024-01-10
DK3518233T3 (da) 2021-05-10
DK3872809T3 (da) 2022-08-22
PL4099325T3 (pl) 2023-08-14
ES2924955T3 (es) 2022-10-11
EP3518233A1 (de) 2019-07-31
HUE065166T2 (hu) 2024-05-28
EP4303870A3 (de) 2024-03-20
PL3872809T3 (pl) 2022-09-26
HUE054531T2 (hu) 2021-09-28
EP4303869A3 (de) 2024-03-20
EP3518233B1 (de) 2021-04-07

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