MX371223B - Post-procesador, pre-procesador, codificador de audio, decodificador de audio y metodos relacionados para mejorar el procesamiento de transitorios. - Google Patents
Post-procesador, pre-procesador, codificador de audio, decodificador de audio y metodos relacionados para mejorar el procesamiento de transitorios.Info
- Publication number
- MX371223B MX371223B MX2017014734A MX2017014734A MX371223B MX 371223 B MX371223 B MX 371223B MX 2017014734 A MX2017014734 A MX 2017014734A MX 2017014734 A MX2017014734 A MX 2017014734A MX 371223 B MX371223 B MX 371223B
- Authority
- MX
- Mexico
- Prior art keywords
- processor
- high frequency
- frequency band
- post
- audio
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/26—Pre-filtering or post-filtering
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
Abstract
Un post-procesador de audio (100) para post-procesar una señal de audio (102) que contiene información de ganancia de alta frecuencia variable en el tiempo (104) en forma de información lateral comprende: un extractor de banda (110) para extraer una banda de alta frecuencia (112) de la señal de audio (102) y una banda de baja frecuencia (114) de la señal de audio (102); un procesador de banda alta (120) para ejecutar una modificación variable en el tiempo de la banda de alta frecuencia (112) de conformidad con la información de ganancia de alta frecuencia variable en el tiempo (104) para obtener una banda de alta frecuencia procesada (122); y un combinador (130) para combinar la banda de alta frecuencia procesada (122) y la banda de baja frecuencia (114). Asimismo, se ilustra un pre-procesador.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16156200 | 2016-02-17 | ||
PCT/EP2017/053068 WO2017140600A1 (en) | 2016-02-17 | 2017-02-10 | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2017014734A MX2017014734A (es) | 2018-06-28 |
MX371223B true MX371223B (es) | 2020-01-09 |
Family
ID=55361427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017014734A MX371223B (es) | 2016-02-17 | 2017-02-10 | Post-procesador, pre-procesador, codificador de audio, decodificador de audio y metodos relacionados para mejorar el procesamiento de transitorios. |
Country Status (18)
Country | Link |
---|---|
US (3) | US10720170B2 (es) |
EP (2) | EP3627507A1 (es) |
JP (2) | JP6603414B2 (es) |
KR (1) | KR102067044B1 (es) |
CN (1) | CN107925388B (es) |
AR (1) | AR107662A1 (es) |
AU (1) | AU2017219696B2 (es) |
BR (1) | BR112017024480A2 (es) |
CA (1) | CA2985019C (es) |
ES (1) | ES2771200T3 (es) |
MX (1) | MX371223B (es) |
MY (1) | MY191093A (es) |
PL (1) | PL3417544T3 (es) |
PT (1) | PT3417544T (es) |
RU (1) | RU2685024C1 (es) |
TW (1) | TWI618053B (es) |
WO (1) | WO2017140600A1 (es) |
ZA (1) | ZA201707336B (es) |
Families Citing this family (17)
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WO2017050398A1 (en) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding |
US10861475B2 (en) * | 2015-11-10 | 2020-12-08 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
EP3627507A1 (en) * | 2016-02-17 | 2020-03-25 | Fraunhofer Gesellschaft zur Förderung der Angewand | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
US10559315B2 (en) * | 2018-03-28 | 2020-02-11 | Qualcomm Incorporated | Extended-range coarse-fine quantization for audio coding |
CN112771610A (zh) | 2018-08-21 | 2021-05-07 | 杜比国际公司 | 用压扩对密集瞬态事件进行译码 |
US20200402523A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Psychoacoustic audio coding of ambisonic audio data |
EP3761672B1 (en) | 2019-07-02 | 2023-04-05 | Dolby International AB | Using metadata to aggregate signal processing operations |
US11032644B2 (en) | 2019-10-10 | 2021-06-08 | Boomcloud 360, Inc. | Subband spatial and crosstalk processing using spectrally orthogonal audio components |
EP3864652A1 (en) | 2019-12-16 | 2021-08-18 | Google LLC | Amplitude-independent window sizes in audio encoding |
CN111294367B (zh) * | 2020-05-14 | 2020-09-01 | 腾讯科技(深圳)有限公司 | 音频信号后处理方法和装置、存储介质及电子设备 |
CN111916090B (zh) * | 2020-08-17 | 2024-03-05 | 北京百瑞互联技术股份有限公司 | 一种lc3编码器近奈奎斯特频率信号检测方法、检测器、存储介质及设备 |
TWI772930B (zh) * | 2020-10-21 | 2022-08-01 | 美商音美得股份有限公司 | 適合即時應用之分析濾波器組及其運算程序、基於分析濾波器組之信號處理系統及程序 |
JPWO2022097240A1 (es) * | 2020-11-05 | 2022-05-12 | ||
WO2022097242A1 (ja) * | 2020-11-05 | 2022-05-12 | 日本電信電話株式会社 | 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体 |
US11837244B2 (en) | 2021-03-29 | 2023-12-05 | Invictumtech Inc. | Analysis filter bank and computing procedure thereof, analysis filter bank based signal processing system and procedure suitable for real-time applications |
CN115512711A (zh) * | 2021-06-22 | 2022-12-23 | 腾讯科技(深圳)有限公司 | 语音编码、语音解码方法、装置、计算机设备和存储介质 |
CN115866487B (zh) * | 2022-12-30 | 2023-08-11 | 广州市韵强电子有限公司 | 一种基于均衡放大的音响功放方法及系统 |
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2017
- 2017-02-10 EP EP19208046.3A patent/EP3627507A1/en active Pending
- 2017-02-10 AU AU2017219696A patent/AU2017219696B2/en active Active
- 2017-02-10 MY MYPI2017001635A patent/MY191093A/en unknown
- 2017-02-10 BR BR112017024480-2A patent/BR112017024480A2/pt active Search and Examination
- 2017-02-10 EP EP17703771.0A patent/EP3417544B1/en active Active
- 2017-02-10 WO PCT/EP2017/053068 patent/WO2017140600A1/en active Application Filing
- 2017-02-10 MX MX2017014734A patent/MX371223B/es active IP Right Grant
- 2017-02-10 CN CN201780002163.5A patent/CN107925388B/zh active Active
- 2017-02-10 KR KR1020177036732A patent/KR102067044B1/ko active IP Right Grant
- 2017-02-10 JP JP2018527783A patent/JP6603414B2/ja active Active
- 2017-02-10 ES ES17703771T patent/ES2771200T3/es active Active
- 2017-02-10 RU RU2017143564A patent/RU2685024C1/ru active
- 2017-02-10 PL PL17703771T patent/PL3417544T3/pl unknown
- 2017-02-10 PT PT177037710T patent/PT3417544T/pt unknown
- 2017-02-10 CA CA2985019A patent/CA2985019C/en active Active
- 2017-02-17 AR ARP170100408A patent/AR107662A1/es active IP Right Grant
- 2017-02-17 TW TW106105242A patent/TWI618053B/zh active
- 2017-10-27 ZA ZA2017/07336A patent/ZA201707336B/en unknown
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2018
- 2018-01-30 US US15/884,190 patent/US10720170B2/en active Active
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2019
- 2019-10-10 JP JP2019186928A patent/JP7007344B2/ja active Active
- 2019-11-19 US US16/688,938 patent/US11094331B2/en active Active
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2020
- 2020-06-04 US US16/892,648 patent/US20200402520A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2985019C (en) | 2022-05-03 |
WO2017140600A1 (en) | 2017-08-24 |
CA2985019A1 (en) | 2017-08-24 |
RU2685024C1 (ru) | 2019-04-16 |
JP6603414B2 (ja) | 2019-11-06 |
US20200090670A1 (en) | 2020-03-19 |
PT3417544T (pt) | 2020-03-02 |
US20200402520A1 (en) | 2020-12-24 |
PL3417544T3 (pl) | 2020-06-29 |
EP3417544B1 (en) | 2019-12-04 |
EP3627507A1 (en) | 2020-03-25 |
JP2020024440A (ja) | 2020-02-13 |
US20180190303A1 (en) | 2018-07-05 |
JP2019500641A (ja) | 2019-01-10 |
KR20180016417A (ko) | 2018-02-14 |
ES2771200T3 (es) | 2020-07-06 |
TW201732784A (zh) | 2017-09-16 |
US11094331B2 (en) | 2021-08-17 |
AU2017219696A1 (en) | 2017-11-16 |
TWI618053B (zh) | 2018-03-11 |
AR107662A1 (es) | 2018-05-23 |
AU2017219696B2 (en) | 2018-11-08 |
ZA201707336B (en) | 2019-02-27 |
MX2017014734A (es) | 2018-06-28 |
BR112017024480A2 (pt) | 2018-07-24 |
MY191093A (en) | 2022-05-30 |
JP7007344B2 (ja) | 2022-01-24 |
CN107925388A (zh) | 2018-04-17 |
EP3417544A1 (en) | 2018-12-26 |
CN107925388B (zh) | 2021-11-30 |
KR102067044B1 (ko) | 2020-01-17 |
US10720170B2 (en) | 2020-07-21 |
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