MX2017011185A - Decodificador para decodificar una señal de audio codificada y codificador para codificar una señal de audio. - Google Patents
Decodificador para decodificar una señal de audio codificada y codificador para codificar una señal de audio.Info
- Publication number
- MX2017011185A MX2017011185A MX2017011185A MX2017011185A MX2017011185A MX 2017011185 A MX2017011185 A MX 2017011185A MX 2017011185 A MX2017011185 A MX 2017011185A MX 2017011185 A MX2017011185 A MX 2017011185A MX 2017011185 A MX2017011185 A MX 2017011185A
- Authority
- MX
- Mexico
- Prior art keywords
- audio signal
- transformation
- decoder
- cores
- values
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 230000009466 transformation Effects 0.000 abstract 7
- 230000003044 adaptive effect Effects 0.000 abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 230000002123 temporal effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 abstract 1
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
- G10L19/0212—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 orthogonal transformation
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
-
- 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
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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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Se ilustra un diagrama esquemático de bloques de un decodificador 2 para decodificar una señal de audio codificada 4. El decodificador comprende un convertidor adaptativo de espectral a tiempo 6 y un procesador de traslape y suma 8. El convertidor adaptativo de espectro a tiempo convierte bloques sucesivos de valores espectrales 4' en bloques sucesivos de valores temporales 10, por ej. Por medio de una transformación de frecuencia a tiempo. Más aun, el convertidor adaptativo de espectro a tiempo 6 recibe una información de control 12 y conmuta, en respuesta a la información de control 12, entre núcleos de transformación de un primer grupo de núcleos de transformación que comprende uno o más núcleos de transformación con diferentes simetrías a los lados de un núcleo, y un segundo grupo de núcleos de transformación que comprende uno o más núcleos de transformación con las mismas simetrías a los lados de un núcleo de transformación. Asimismo, el procesador de traslape y suma 8 traslapa y suma los bloques sucesivos de valores temporales 10 a fin de obtener valores de audio decodificados 14, que pueden ser una señal de audio decodificada.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15158236 | 2015-03-09 | ||
| EP15172542.1A EP3067889A1 (en) | 2015-03-09 | 2015-06-17 | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
| PCT/EP2016/054902 WO2016142376A1 (en) | 2015-03-09 | 2016-03-08 | Decoder for decoding an encoded audio signal and encoder for encoding an audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2017011185A true MX2017011185A (es) | 2018-03-28 |
| MX372600B MX372600B (es) | 2020-04-23 |
Family
ID=52692422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2017011185A MX372600B (es) | 2015-03-09 | 2016-03-08 | Decodificador para decodificar una señal de audio codificada y codificador para codificar una señal de audio |
Country Status (15)
| Country | Link |
|---|---|
| US (6) | US10236008B2 (es) |
| EP (3) | EP3067889A1 (es) |
| JP (5) | JP6728209B2 (es) |
| KR (1) | KR102101266B1 (es) |
| CN (2) | CN112786061B (es) |
| AR (1) | AR103859A1 (es) |
| AU (1) | AU2016231239B2 (es) |
| CA (1) | CA2978821C (es) |
| ES (1) | ES2950286T3 (es) |
| MX (1) | MX372600B (es) |
| PL (1) | PL3268962T3 (es) |
| RU (1) | RU2691231C2 (es) |
| SG (1) | SG11201707347PA (es) |
| TW (1) | TWI590233B (es) |
| WO (1) | WO2016142376A1 (es) |
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| AU2017357454B2 (en) | 2016-11-08 | 2021-02-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation |
| US10224045B2 (en) | 2017-05-11 | 2019-03-05 | Qualcomm Incorporated | Stereo parameters for stereo decoding |
| CN109389987B (zh) * | 2017-08-10 | 2022-05-10 | 华为技术有限公司 | 音频编解码模式确定方法和相关产品 |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| EP3588495A1 (en) | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| KR20200000649A (ko) | 2018-06-25 | 2020-01-03 | 네이버 주식회사 | 오디오 병렬 트랜스코딩을 위한 방법 및 시스템 |
| CN115132214A (zh) * | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| PL3818520T3 (pl) * | 2018-07-04 | 2024-06-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Wielo-sygnałowe enkodowanie audio z wykorzystaniem wybielania sygnału jako przetwarzania wstępnego |
| TWI681384B (zh) * | 2018-08-01 | 2020-01-01 | 瑞昱半導體股份有限公司 | 音訊處理方法與音訊等化器 |
| CN110830884B (zh) * | 2018-08-08 | 2021-06-25 | 瑞昱半导体股份有限公司 | 音频处理方法与音频均衡器 |
| WO2020185522A1 (en) * | 2019-03-14 | 2020-09-17 | Boomcloud 360, Inc. | Spatially aware multiband compression system with priority |
| CN114175151A (zh) | 2019-08-01 | 2022-03-11 | 杜比实验室特许公司 | Ivas比特流的编码和解码 |
| US11432069B2 (en) * | 2019-10-10 | 2022-08-30 | Boomcloud 360, Inc. | Spectrally orthogonal audio component processing |
| CN110855673B (zh) * | 2019-11-15 | 2021-08-24 | 成都威爱新经济技术研究院有限公司 | 一种复杂多媒体数据传输及处理方法 |
| US11348594B2 (en) * | 2020-06-11 | 2022-05-31 | Qualcomm Incorporated | Stream conformant bit error resilience |
| KR102784793B1 (ko) * | 2020-08-06 | 2025-03-21 | 라인플러스 주식회사 | 딥러닝을 이용한 시간 및 주파수 분석 기반의 노이즈 제거 방법 및 장치 |
| WO2022177481A1 (en) * | 2021-02-18 | 2022-08-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding and decoding complex data |
| CN113314130B (zh) * | 2021-05-07 | 2022-05-13 | 武汉大学 | 一种基于频谱搬移的音频对象编解码方法 |
| CN115567157B (zh) * | 2022-09-16 | 2025-05-16 | 南京邮电大学 | 一种基于即时可解码网络编码的速率感知网络编码方法及装置 |
| CN116032901B (zh) * | 2022-12-30 | 2024-07-26 | 北京天兵科技有限公司 | 多路音频数据信号采编方法、装置、系统、介质和设备 |
| CN119400161A (zh) * | 2024-09-19 | 2025-02-07 | 安徽江淮汽车集团股份有限公司 | 一种车内动态声音隔离方法、系统及车辆 |
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2015
- 2015-06-17 EP EP15172542.1A patent/EP3067889A1/en not_active Withdrawn
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2016
- 2016-02-24 TW TW105105525A patent/TWI590233B/zh active
- 2016-03-04 AR ARP160100580A patent/AR103859A1/es active IP Right Grant
- 2016-03-08 CN CN202110100367.0A patent/CN112786061B/zh active Active
- 2016-03-08 KR KR1020177028552A patent/KR102101266B1/ko active Active
- 2016-03-08 EP EP23178648.4A patent/EP4235656A3/en active Pending
- 2016-03-08 JP JP2017548011A patent/JP6728209B2/ja active Active
- 2016-03-08 AU AU2016231239A patent/AU2016231239B2/en active Active
- 2016-03-08 WO PCT/EP2016/054902 patent/WO2016142376A1/en not_active Ceased
- 2016-03-08 CA CA2978821A patent/CA2978821C/en active Active
- 2016-03-08 EP EP16709345.9A patent/EP3268962B1/en active Active
- 2016-03-08 ES ES16709345T patent/ES2950286T3/es active Active
- 2016-03-08 CN CN201680026851.0A patent/CN107592938B/zh active Active
- 2016-03-08 MX MX2017011185A patent/MX372600B/es active IP Right Grant
- 2016-03-08 RU RU2017134619A patent/RU2691231C2/ru active
- 2016-03-08 PL PL16709345.9T patent/PL3268962T3/pl unknown
- 2016-03-08 SG SG11201707347PA patent/SG11201707347PA/en unknown
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2017
- 2017-09-06 US US15/696,934 patent/US10236008B2/en active Active
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2019
- 2019-02-08 US US16/271,380 patent/US10706864B2/en active Active
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2020
- 2020-06-11 US US16/899,406 patent/US11335354B2/en active Active
- 2020-07-01 JP JP2020114013A patent/JP7126328B2/ja active Active
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2022
- 2022-04-15 US US17/722,027 patent/US11854559B2/en active Active
- 2022-08-12 JP JP2022128735A patent/JP7513669B2/ja active Active
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2023
- 2023-11-16 US US18/511,741 patent/US12230286B2/en active Active
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2024
- 2024-06-27 JP JP2024103916A patent/JP7708937B2/ja active Active
- 2024-12-26 US US19/002,077 patent/US20250201253A1/en active Pending
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2025
- 2025-07-03 JP JP2025112733A patent/JP2025163020A/ja active Pending
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