MX2016010595A - Codificador, decodificador, metodo de codificacion, metodo de decodificacion y programa. - Google Patents
Codificador, decodificador, metodo de codificacion, metodo de decodificacion y programa.Info
- Publication number
- MX2016010595A MX2016010595A MX2016010595A MX2016010595A MX2016010595A MX 2016010595 A MX2016010595 A MX 2016010595A MX 2016010595 A MX2016010595 A MX 2016010595A MX 2016010595 A MX2016010595 A MX 2016010595A MX 2016010595 A MX2016010595 A MX 2016010595A
- Authority
- MX
- Mexico
- Prior art keywords
- signal
- high band
- encoded
- coding
- band
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/02—Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/02—Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/02—Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/02—Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech 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
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un codificador de conformidad con la presente descripción incluye una primera unidad de codificación que genera una primera señal codificada en la cual una señal de banda baja que tiene una frecuencia más baja que o igual a una frecuencia predeterminada de una señal de entrada de voz o audio se codifica y una señal decodificada de banda baja; una segunda unidad de codificación que codifica, con base en la señal decodificada de banda baja, una señal de banda alta que tiene una banda más alta que aquella de la señal de banda baja para generar una señal codificada de banda alta; y una primera unidad de multiplexión que multiplexa la primera señal codificada y la señal codificada de banda alta para generar y enviar una señal codificada. La segunda unidad de codificación calcula una relación de energía entre un componente de ruido de banda alta, el cual es un componente de ruido de la señal de banda alta, y un componente no tonal de banda alta de una señal decodificada de banda alta generada a partir de la señal decodificada de banda baja y envía la relación calculada como la señal codificada de banda alta.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461972722P | 2014-03-31 | 2014-03-31 | |
| JP2014153832 | 2014-07-29 | ||
| PCT/JP2015/001601 WO2015151451A1 (ja) | 2014-03-31 | 2015-03-23 | 符号化装置、復号装置、符号化方法、復号方法、およびプログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2016010595A true MX2016010595A (es) | 2016-11-29 |
| MX367639B MX367639B (es) | 2019-08-29 |
Family
ID=54239798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2016010595A MX367639B (es) | 2014-03-31 | 2015-03-23 | Codificador, decodificador, método de codificación, método de decodificación y programa. |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US10269361B2 (es) |
| EP (3) | EP4376304A3 (es) |
| JP (1) | JPWO2015151451A1 (es) |
| KR (1) | KR102121642B1 (es) |
| CN (2) | CN111710342B (es) |
| BR (1) | BR112016019838B1 (es) |
| ES (1) | ES2975073T3 (es) |
| MX (1) | MX367639B (es) |
| PL (2) | PL3550563T3 (es) |
| RU (1) | RU2689181C2 (es) |
| WO (1) | WO2015151451A1 (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4376304A3 (en) | 2014-03-31 | 2024-07-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder, encoding method, decoding method, and program |
| BR112017000629B1 (pt) | 2014-07-25 | 2021-02-17 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschug E.V. | aparelho de codificação de sinal de áudio e método de codificação de sinal de áudio |
| TR201901476T4 (tr) * | 2014-07-25 | 2019-02-21 | Fraunhofer Ges Forschung | Ses sinyali kodlama ekipmanı, ses sinyali dekode etme cihazı ve bunların yöntemleri. |
| JP6691440B2 (ja) * | 2016-06-21 | 2020-04-28 | 日本電信電話株式会社 | 音声符号化装置、音声復号装置、音声符号化方法、音声復号方法、プログラム、および記録媒体 |
| 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 |
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2015
- 2015-03-23 EP EP24160860.3A patent/EP4376304A3/en active Pending
- 2015-03-23 EP EP15774034.1A patent/EP3128513B1/en active Active
- 2015-03-23 JP JP2016511368A patent/JPWO2015151451A1/ja active Pending
- 2015-03-23 KR KR1020167012900A patent/KR102121642B1/ko active Active
- 2015-03-23 WO PCT/JP2015/001601 patent/WO2015151451A1/ja not_active Ceased
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- 2015-03-23 RU RU2016138694A patent/RU2689181C2/ru active
- 2015-03-23 CN CN202010460132.8A patent/CN111710342B/zh active Active
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- 2015-03-23 PL PL19174461.4T patent/PL3550563T3/pl unknown
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| BR112016019838B1 (pt) | 2023-02-23 |
| EP3550563C0 (en) | 2024-03-06 |
| EP3128513A4 (en) | 2017-03-29 |
| US10269361B2 (en) | 2019-04-23 |
| US12431148B2 (en) | 2025-09-30 |
| EP3128513A1 (en) | 2017-02-08 |
| EP3550563A1 (en) | 2019-10-09 |
| PL3550563T3 (pl) | 2024-07-08 |
| CN105874534B (zh) | 2020-06-19 |
| EP4376304A2 (en) | 2024-05-29 |
| MX367639B (es) | 2019-08-29 |
| KR102121642B1 (ko) | 2020-06-10 |
| WO2015151451A1 (ja) | 2015-10-08 |
| ES2975073T3 (es) | 2024-07-03 |
| EP3128513B1 (en) | 2019-05-15 |
| EP4376304A3 (en) | 2024-07-24 |
| US11232803B2 (en) | 2022-01-25 |
| CN111710342B (zh) | 2024-04-16 |
| US20160336017A1 (en) | 2016-11-17 |
| RU2016138694A3 (es) | 2018-08-27 |
| EP3550563B1 (en) | 2024-03-06 |
| PL3128513T3 (pl) | 2019-11-29 |
| JPWO2015151451A1 (ja) | 2017-04-13 |
| CN111710342A (zh) | 2020-09-25 |
| RU2689181C2 (ru) | 2019-05-24 |
| KR20160138373A (ko) | 2016-12-05 |
| RU2016138694A (ru) | 2018-05-07 |
| BR112016019838A2 (es) | 2017-08-15 |
| US20190251979A1 (en) | 2019-08-15 |
| US20220130402A1 (en) | 2022-04-28 |
| CN105874534A (zh) | 2016-08-17 |
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