HUE062211T2 - Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez - Google Patents

Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez

Info

Publication number
HUE062211T2
HUE062211T2 HUE22181854A HUE22181854A HUE062211T2 HU E062211 T2 HUE062211 T2 HU E062211T2 HU E22181854 A HUE22181854 A HU E22181854A HU E22181854 A HUE22181854 A HU E22181854A HU E062211 T2 HUE062211 T2 HU E062211T2
Authority
HU
Hungary
Prior art keywords
backward
high frequency
audio signals
reconstruction techniques
frequency reconstruction
Prior art date
Application number
HUE22181854A
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
Publication of HUE062211T2 publication Critical patent/HUE062211T2/hu

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)
  • 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)
HUE22181854A 2018-01-26 2019-01-28 Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez HUE062211T2 (hu)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HUE062211T2 true HUE062211T2 (hu) 2023-10-28

Family

ID=61054251

Family Applications (4)

Application Number Title Priority Date Filing Date
HUE21164481A HUE059669T2 (hu) 2018-01-26 2019-01-28 Visszafelé kompatibilis integrálása magas frekvenciás rekonstrukciós technikáknak audio jelekhez
HUE22181854A HUE062211T2 (hu) 2018-01-26 2019-01-28 Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez
HUE19153875A HUE054531T2 (hu) 2018-01-26 2019-01-28 Visszafelé kompatibilis integrálása magas frekvenciás rekonstrukciós technikáknak audio jelek elõállításához
HUE22189216A HUE065166T2 (hu) 2018-01-26 2019-01-28 Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HUE21164481A HUE059669T2 (hu) 2018-01-26 2019-01-28 Visszafelé kompatibilis integrálása magas frekvenciás rekonstrukciós technikáknak audio jelekhez

Family Applications After (2)

Application Number Title Priority Date Filing Date
HUE19153875A HUE054531T2 (hu) 2018-01-26 2019-01-28 Visszafelé kompatibilis integrálása magas frekvenciás rekonstrukciós technikáknak audio jelek elõállításához
HUE22189216A HUE065166T2 (hu) 2018-01-26 2019-01-28 Nagyfrekvenciás rekonstrukciós technikák visszafelé kompatibilis integrálása audio jelekhez

Country Status (6)

Country Link
EP (7) EP3518233B1 (hu)
DK (4) DK4099325T3 (hu)
ES (4) ES2871872T3 (hu)
FI (2) FI4120261T3 (hu)
HU (4) HUE059669T2 (hu)
PL (4) PL3872809T3 (hu)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI693594B (zh) * 2015-03-13 2020-05-11 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
EP3518233B1 (en) 2021-04-07
DK3872809T3 (da) 2022-08-22
FI4099325T3 (fi) 2023-06-13
EP4303870A2 (en) 2024-01-10
PL3872809T3 (pl) 2022-09-26
DK4120261T3 (da) 2024-01-22
DK3518233T3 (da) 2021-05-10
FI4120261T3 (fi) 2024-01-12
ES2924955T3 (es) 2022-10-11
EP3872809B1 (en) 2022-07-27
EP4303871A2 (en) 2024-01-10
EP4099325A1 (en) 2022-12-07
EP4099325B1 (en) 2023-05-17
PL3518233T3 (pl) 2021-08-16
HUE065166T2 (hu) 2024-05-28
HUE059669T2 (hu) 2022-12-28
EP4303869A3 (en) 2024-03-20
PL4099325T3 (pl) 2023-08-14
DK4099325T3 (da) 2023-06-19
ES2871872T3 (es) 2021-11-02
EP4303870A3 (en) 2024-03-20
EP4120261B1 (en) 2023-11-29
EP4303869A2 (en) 2024-01-10
ES2969225T3 (es) 2024-05-17
EP3872809A1 (en) 2021-09-01
HUE054531T2 (hu) 2021-09-28
EP4303871A3 (en) 2024-03-20
ES2948839T3 (es) 2023-09-20
EP4120261A1 (en) 2023-01-18
PL4120261T3 (pl) 2024-03-25
EP3518233A1 (en) 2019-07-31

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