ES2969225T3 - Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio - Google Patents

Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio Download PDF

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Publication number
ES2969225T3
ES2969225T3 ES22189216T ES22189216T ES2969225T3 ES 2969225 T3 ES2969225 T3 ES 2969225T3 ES 22189216 T ES22189216 T ES 22189216T ES 22189216 T ES22189216 T ES 22189216T ES 2969225 T3 ES2969225 T3 ES 2969225T3
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ES
Spain
Prior art keywords
audio
bitstream
data
metadata
audio signal
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
ES22189216T
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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
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Dolby International AB
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Publication date
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Publication of ES2969225T3 publication Critical patent/ES2969225T3/es
Active 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)
ES22189216T 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio Active ES2969225T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2969225T3 true ES2969225T3 (es) 2024-05-17

Family

ID=61054251

Family Applications (4)

Application Number Title Priority Date Filing Date
ES19153875T Active ES2871872T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES22189216T Active ES2969225T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES21164481T Active ES2924955T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES22181854T Active ES2948839T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES19153875T Active ES2871872T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES21164481T Active ES2924955T3 (es) 2018-01-26 2019-01-28 Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio
ES22181854T Active ES2948839T3 (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 (7) EP3518233B1 (de)
DK (4) DK4099325T3 (de)
ES (4) ES2871872T3 (de)
FI (2) FI4120261T3 (de)
HU (4) HUE059669T2 (de)
PL (4) PL3872809T3 (de)

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 (de) 2021-04-07
DK3872809T3 (da) 2022-08-22
FI4099325T3 (fi) 2023-06-13
EP4303870A2 (de) 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 (de) 2022-07-27
EP4303871A2 (de) 2024-01-10
EP4099325A1 (de) 2022-12-07
EP4099325B1 (de) 2023-05-17
HUE062211T2 (hu) 2023-10-28
PL3518233T3 (pl) 2021-08-16
HUE065166T2 (hu) 2024-05-28
HUE059669T2 (hu) 2022-12-28
EP4303869A3 (de) 2024-03-20
PL4099325T3 (pl) 2023-08-14
DK4099325T3 (da) 2023-06-19
ES2871872T3 (es) 2021-11-02
EP4303870A3 (de) 2024-03-20
EP4120261B1 (de) 2023-11-29
EP4303869A2 (de) 2024-01-10
EP3872809A1 (de) 2021-09-01
HUE054531T2 (hu) 2021-09-28
EP4303871A3 (de) 2024-03-20
ES2948839T3 (es) 2023-09-20
EP4120261A1 (de) 2023-01-18
PL4120261T3 (pl) 2024-03-25
EP3518233A1 (de) 2019-07-31

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