MX366279B - Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits. - Google Patents
Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits.Info
- Publication number
- MX366279B MX366279B MX2015007854A MX2015007854A MX366279B MX 366279 B MX366279 B MX 366279B MX 2015007854 A MX2015007854 A MX 2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A MX 366279 B MX366279 B MX 366279B
- Authority
- MX
- Mexico
- Prior art keywords
- noise
- signal
- rates
- comfort
- low bit
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 4
- 230000003595 spectral effect Effects 0.000 abstract 1
Classifications
-
- 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
- G10L19/012—Comfort noise or silence coding
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
- Noise Elimination (AREA)
Abstract
La invención presenta un decodificador que está configurado para procesar un flujo de bits de audio codificado (BS), donde el decodificador (1) comprende: un decodificador de flujos de bits (2) configurado para derivar una señal de audio decodificada (DS) del flujo de bits (BS), donde la señal de audio decodificada (DS) comprende por lo menos una trama decodificada; un dispositivo de estimación de ruido (3) configurado para producir una señal de estimación de ruido (NE) que contiene una estimación del nivel y/o la forma espectral de un ruido (N) en la señal de audio decodificada (DS); un dispositivo generador de ruido de confort (4) configurado para derivar una señal de ruido de confort (CN) de la señal de estimación de ruido (NE) y un combinador (5) configurado para combinar la trama decodificada de la señal de audio decodificada (DS) y la señal de ruido de confort (CN) para obtener una señal de audio de salida (OS).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261740883P | 2012-12-21 | 2012-12-21 | |
PCT/EP2013/077527 WO2014096280A1 (en) | 2012-12-21 | 2013-12-19 | Comfort noise addition for modeling background noise at low bit-rates |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015007854A MX2015007854A (es) | 2016-02-05 |
MX366279B true MX366279B (es) | 2019-07-03 |
Family
ID=49883094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015007854A MX366279B (es) | 2012-12-21 | 2013-12-19 | Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits. |
Country Status (20)
Country | Link |
---|---|
US (3) | US10147432B2 (es) |
EP (1) | EP2936486B1 (es) |
JP (3) | JP6335190B2 (es) |
KR (2) | KR101692659B1 (es) |
CN (2) | CN111145767B (es) |
AR (1) | AR094279A1 (es) |
AU (1) | AU2013366552B2 (es) |
BR (1) | BR112015014217B1 (es) |
CA (2) | CA2948015C (es) |
ES (1) | ES2688021T3 (es) |
HK (1) | HK1217244A1 (es) |
MX (1) | MX366279B (es) |
MY (1) | MY178710A (es) |
PL (1) | PL2936486T3 (es) |
PT (1) | PT2936486T (es) |
RU (1) | RU2633107C2 (es) |
SG (1) | SG11201504899XA (es) |
TW (1) | TWI553629B (es) |
WO (1) | WO2014096280A1 (es) |
ZA (1) | ZA201505191B (es) |
Families Citing this family (11)
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EP2980790A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for comfort noise generation mode selection |
US10958695B2 (en) * | 2016-06-21 | 2021-03-23 | Google Llc | Methods, systems, and media for recommending content based on network conditions |
CN108012148B (zh) * | 2018-01-16 | 2023-12-22 | 吉林省广播电视研究所(吉林省新闻出版广电局科技信息中心) | 广播电视音频质量实时监测并自动切换的装置及方法 |
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KR20220034102A (ko) * | 2019-07-08 | 2022-03-17 | 보이세지 코포레이션 | 오디오 스트림에 있어서의 메타데이터를 코딩하고 가요성 객체간 및 객체내 비트레이트 적응화를 위한 방법 및 시스템 |
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2013
- 2013-12-19 MY MYPI2015001587A patent/MY178710A/en unknown
- 2013-12-19 PL PL13814127T patent/PL2936486T3/pl unknown
- 2013-12-19 CN CN202010005379.0A patent/CN111145767B/zh active Active
- 2013-12-19 ES ES13814127.0T patent/ES2688021T3/es active Active
- 2013-12-19 BR BR112015014217-6A patent/BR112015014217B1/pt active IP Right Grant
- 2013-12-19 SG SG11201504899XA patent/SG11201504899XA/en unknown
- 2013-12-19 CA CA2948015A patent/CA2948015C/en active Active
- 2013-12-19 JP JP2015548606A patent/JP6335190B2/ja active Active
- 2013-12-19 WO PCT/EP2013/077527 patent/WO2014096280A1/en active Application Filing
- 2013-12-19 AU AU2013366552A patent/AU2013366552B2/en active Active
- 2013-12-19 CN CN201380073660.6A patent/CN105210148B/zh active Active
- 2013-12-19 MX MX2015007854A patent/MX366279B/es active IP Right Grant
- 2013-12-19 EP EP13814127.0A patent/EP2936486B1/en active Active
- 2013-12-19 RU RU2015129782A patent/RU2633107C2/ru active
- 2013-12-19 PT PT13814127T patent/PT2936486T/pt unknown
- 2013-12-19 CA CA2895391A patent/CA2895391C/en active Active
- 2013-12-20 AR ARP130105027A patent/AR094279A1/es active IP Right Grant
- 2013-12-20 TW TW102147458A patent/TWI553629B/zh active
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2014
- 2014-01-23 KR KR1020157019064A patent/KR101692659B1/ko active IP Right Grant
- 2014-01-23 KR KR1020167036572A patent/KR102167541B1/ko active IP Right Grant
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2015
- 2015-06-19 US US14/744,788 patent/US10147432B2/en active Active
- 2015-07-20 ZA ZA2015/05191A patent/ZA201505191B/en unknown
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2016
- 2016-04-28 HK HK16104874.5A patent/HK1217244A1/zh unknown
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2018
- 2018-01-04 JP JP2018000043A patent/JP6849619B2/ja active Active
- 2018-08-02 US US16/053,525 patent/US10339941B2/en active Active
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2019
- 2019-06-21 US US16/448,291 patent/US10789963B2/en active Active
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2021
- 2021-03-04 JP JP2021034012A patent/JP7297803B2/ja active Active
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