PL4099325T3 - Kompatybilna wstecznie integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio - Google Patents

Kompatybilna wstecznie integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio

Info

Publication number
PL4099325T3
PL4099325T3 PL22181854.5T PL22181854T PL4099325T3 PL 4099325 T3 PL4099325 T3 PL 4099325T3 PL 22181854 T PL22181854 T PL 22181854T PL 4099325 T3 PL4099325 T3 PL 4099325T3
Authority
PL
Poland
Prior art keywords
backward
high frequency
audio signals
reconstruction techniques
frequency reconstruction
Prior art date
Application number
PL22181854.5T
Other languages
English (en)
Inventor
Kristofer Kjoerling
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
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 PL4099325T3 publication Critical patent/PL4099325T3/pl

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)
PL22181854.5T 2018-01-26 2019-01-28 Kompatybilna wstecznie integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio PL4099325T3 (pl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PL4099325T3 true PL4099325T3 (pl) 2023-08-14

Family

ID=61054251

Family Applications (4)

Application Number Title Priority Date Filing Date
PL21164481.0T PL3872809T3 (pl) 2018-01-26 2019-01-28 Wstecznie kompatybilna integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio
PL22189216.9T PL4120261T3 (pl) 2018-01-26 2019-01-28 Integracja wstecznie kompatybilnych technik rekonstrukcji wysokiej częstotliwości sygnałów audio
PL22181854.5T PL4099325T3 (pl) 2018-01-26 2019-01-28 Kompatybilna wstecznie integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio
PL19153875T PL3518233T3 (pl) 2018-01-26 2019-01-28 Wstecznie kompatybilna integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PL21164481.0T PL3872809T3 (pl) 2018-01-26 2019-01-28 Wstecznie kompatybilna integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio
PL22189216.9T PL4120261T3 (pl) 2018-01-26 2019-01-28 Integracja wstecznie kompatybilnych technik rekonstrukcji wysokiej częstotliwości sygnałów audio

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL19153875T PL3518233T3 (pl) 2018-01-26 2019-01-28 Wstecznie kompatybilna integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio

Country Status (6)

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

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
HUE062211T2 (hu) 2023-10-28
PL3518233T3 (pl) 2021-08-16
HUE065166T2 (hu) 2024-05-28
HUE059669T2 (hu) 2022-12-28
EP4303869A3 (en) 2024-03-20
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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