MX344550B - Metodo y aparato para controlar ocultacion de perdida de trama de audio. - Google Patents
Metodo y aparato para controlar ocultacion de perdida de trama de audio.Info
- Publication number
- MX344550B MX344550B MX2015009210A MX2015009210A MX344550B MX 344550 B MX344550 B MX 344550B MX 2015009210 A MX2015009210 A MX 2015009210A MX 2015009210 A MX2015009210 A MX 2015009210A MX 344550 B MX344550 B MX 344550B
- Authority
- MX
- Mexico
- Prior art keywords
- frame
- audio frame
- lost
- frame loss
- loss concealment
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 230000005236 sound signal Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000006467 substitution reaction Methods 0.000 abstract 2
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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/0204—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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
- Time-Division Multiplex Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Error Detection And Correction (AREA)
- Auxiliary Devices For Music (AREA)
Abstract
De conformidad con una modalidad de ejemplo de la presente invención, se describe un método y un aparato del mismo para controlar un método de ocultación para una trama de audio perdida de una señal de audio recibida. Un método para un decodificador de ocultación de una trama de audio perdida comprende detectar en una propiedad de la señal de audio anteriormente recibida y reconstruida, o en una propiedad estadística de pérdidas de trama observadas, una condición para la cual la sustitución de una trama perdida provee calidad relativamente reducida. En el caso de que se detecte una condición de este tipo, el método de ocultación se modifica ajustando selectivamente una fase o una magnitud de espectro de un espectro trama de sustitución.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361761051P | 2013-02-05 | 2013-02-05 | |
US201361760814P | 2013-02-05 | 2013-02-05 | |
US201361760822P | 2013-02-05 | 2013-02-05 | |
PCT/SE2014/050068 WO2014123471A1 (en) | 2013-02-05 | 2014-01-22 | Method and apparatus for controlling audio frame loss concealment |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015009210A MX2015009210A (es) | 2015-11-25 |
MX344550B true MX344550B (es) | 2016-12-20 |
Family
ID=50114514
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021000353A MX2021000353A (es) | 2013-02-05 | 2014-01-22 | Método y aparato para controlar ocultación de pérdida de trama de audio. |
MX2015009210A MX344550B (es) | 2013-02-05 | 2014-01-22 | Metodo y aparato para controlar ocultacion de perdida de trama de audio. |
MX2020001307A MX2020001307A (es) | 2013-02-05 | 2014-01-22 | Método y aparato para controlar ocultación de pérdida de trama de audio. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021000353A MX2021000353A (es) | 2013-02-05 | 2014-01-22 | Método y aparato para controlar ocultación de pérdida de trama de audio. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020001307A MX2020001307A (es) | 2013-02-05 | 2014-01-22 | Método y aparato para controlar ocultación de pérdida de trama de audio. |
Country Status (21)
Country | Link |
---|---|
US (6) | US9293144B2 (es) |
EP (5) | EP3855430B1 (es) |
JP (3) | JP6069526B2 (es) |
KR (4) | KR102349025B1 (es) |
CN (3) | CN108831490B (es) |
AU (5) | AU2014215734B2 (es) |
BR (1) | BR112015018316B1 (es) |
CA (2) | CA2900354C (es) |
DK (2) | DK3561808T3 (es) |
ES (4) | ES2603827T3 (es) |
HK (2) | HK1210315A1 (es) |
MX (3) | MX2021000353A (es) |
MY (1) | MY170368A (es) |
NZ (2) | NZ739387A (es) |
PH (3) | PH12015501507B1 (es) |
PL (2) | PL3561808T3 (es) |
PT (2) | PT2954518T (es) |
RU (3) | RU2628144C2 (es) |
SG (3) | SG11201505231VA (es) |
WO (1) | WO2014123471A1 (es) |
ZA (1) | ZA201504881B (es) |
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PT3664086T (pt) | 2014-06-13 | 2021-11-02 | Ericsson Telefon Ab L M | Gestão de erros de tramas em rajada |
US10373608B2 (en) | 2015-10-22 | 2019-08-06 | Texas Instruments Incorporated | Time-based frequency tuning of analog-to-information feature extraction |
KR102250472B1 (ko) | 2016-03-07 | 2021-05-12 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 하이브리드 은닉 방법: 오디오 코덱들에서 주파수 및 시간 도메인 패킷 손실 은닉의 결합 |
EP3427258B1 (en) * | 2016-03-07 | 2021-03-31 | Fraunhofer Gesellschaft zur Förderung der Angewand | Error concealment unit, audio decoder, and related method and computer program using characteristics of a decoded representation of a properly decoded audio frame |
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CN108922551B (zh) * | 2017-05-16 | 2021-02-05 | 博通集成电路(上海)股份有限公司 | 用于补偿丢失帧的电路及方法 |
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EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
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EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
US11990141B2 (en) | 2018-12-20 | 2024-05-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for controlling multichannel audio frame loss concealment |
CN111402904B (zh) * | 2018-12-28 | 2023-12-01 | 南京中感微电子有限公司 | 音频数据恢复方法、装置及蓝牙设备 |
CN109887515B (zh) * | 2019-01-29 | 2021-07-09 | 北京市商汤科技开发有限公司 | 音频处理方法及装置、电子设备和存储介质 |
KR20210130743A (ko) * | 2019-02-21 | 2021-11-01 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | 위상 ecu f0 보간 분할을 위한 방법 및 관련 제어기 |
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2014
- 2014-01-22 MX MX2021000353A patent/MX2021000353A/es unknown
- 2014-01-22 KR KR1020217009851A patent/KR102349025B1/ko active IP Right Grant
- 2014-01-22 CA CA2900354A patent/CA2900354C/en active Active
- 2014-01-22 PL PL19178384T patent/PL3561808T3/pl unknown
- 2014-01-22 KR KR1020157024184A patent/KR20150108937A/ko not_active Application Discontinuation
- 2014-01-22 SG SG11201505231VA patent/SG11201505231VA/en unknown
- 2014-01-22 WO PCT/SE2014/050068 patent/WO2014123471A1/en active Application Filing
- 2014-01-22 NZ NZ739387A patent/NZ739387A/en unknown
- 2014-01-22 KR KR1020207013012A patent/KR102238376B1/ko active IP Right Grant
- 2014-01-22 DK DK19178384.4T patent/DK3561808T3/da active
- 2014-01-22 ES ES14704935.7T patent/ES2603827T3/es active Active
- 2014-01-22 RU RU2015137708A patent/RU2628144C2/ru active
- 2014-01-22 EP EP21162222.0A patent/EP3855430B1/en active Active
- 2014-01-22 BR BR112015018316-6A patent/BR112015018316B1/pt active IP Right Grant
- 2014-01-22 SG SG10201700846UA patent/SG10201700846UA/en unknown
- 2014-01-22 SG SG10202106262SA patent/SG10202106262SA/en unknown
- 2014-01-22 MX MX2015009210A patent/MX344550B/es active IP Right Grant
- 2014-01-22 JP JP2015555964A patent/JP6069526B2/ja active Active
- 2014-01-22 MX MX2020001307A patent/MX2020001307A/es unknown
- 2014-01-22 PT PT147049357T patent/PT2954518T/pt unknown
- 2014-01-22 PT PT16183917T patent/PT3125239T/pt unknown
- 2014-01-22 RU RU2017124644A patent/RU2728832C2/ru active
- 2014-01-22 CN CN201810694625.0A patent/CN108831490B/zh active Active
- 2014-01-22 EP EP19178384.4A patent/EP3561808B1/en active Active
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