MX2015007854A - 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
- MX2015007854A MX2015007854A MX2015007854A MX2015007854A MX2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A
- 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 true MX2015007854A (es) | 2016-02-05 |
MX366279B 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) | KR102167541B1 (es) |
CN (2) | CN105210148B (es) |
AR (1) | AR094279A1 (es) |
AU (1) | AU2013366552B2 (es) |
BR (1) | BR112015014217B1 (es) |
CA (2) | CA2895391C (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) |
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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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2013
- 2013-12-19 RU RU2015129782A patent/RU2633107C2/ru active
- 2013-12-19 SG SG11201504899XA patent/SG11201504899XA/en unknown
- 2013-12-19 MY MYPI2015001587A patent/MY178710A/en unknown
- 2013-12-19 ES ES13814127.0T patent/ES2688021T3/es active Active
- 2013-12-19 CA CA2895391A patent/CA2895391C/en active Active
- 2013-12-19 AU AU2013366552A patent/AU2013366552B2/en active Active
- 2013-12-19 MX MX2015007854A patent/MX366279B/es active IP Right Grant
- 2013-12-19 PL PL13814127T patent/PL2936486T3/pl unknown
- 2013-12-19 CA CA2948015A patent/CA2948015C/en active Active
- 2013-12-19 EP EP13814127.0A patent/EP2936486B1/en active Active
- 2013-12-19 CN CN201380073660.6A patent/CN105210148B/zh active Active
- 2013-12-19 JP JP2015548606A patent/JP6335190B2/ja active Active
- 2013-12-19 CN CN202010005379.0A patent/CN111145767B/zh active Active
- 2013-12-19 PT PT13814127T patent/PT2936486T/pt unknown
- 2013-12-19 WO PCT/EP2013/077527 patent/WO2014096280A1/en active Application Filing
- 2013-12-19 BR BR112015014217-6A patent/BR112015014217B1/pt active IP Right Grant
- 2013-12-20 TW TW102147458A patent/TWI553629B/zh active
- 2013-12-20 AR ARP130105027A patent/AR094279A1/es active IP Right Grant
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2014
- 2014-01-23 KR KR1020167036572A patent/KR102167541B1/ko active IP Right Grant
- 2014-01-23 KR KR1020157019064A patent/KR101692659B1/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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