MX339611B - Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. - Google Patents
Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.Info
- Publication number
- MX339611B MX339611B MX2015004468A MX2015004468A MX339611B MX 339611 B MX339611 B MX 339611B MX 2015004468 A MX2015004468 A MX 2015004468A MX 2015004468 A MX2015004468 A MX 2015004468A MX 339611 B MX339611 B MX 339611B
- Authority
- MX
- Mexico
- Prior art keywords
- bitstream
- audio
- program
- decoder
- metadata
- Prior art date
Links
Classifications
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- 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
- G10L19/002—Dynamic bit allocation
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- 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
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- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS 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
- G10L19/16—Vocoder architecture
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- 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
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
Abstract
Aparatos y métodos para generar un flujo de bits de audio codificado, que incluyen incluir metadatos de sonoridad de programa y datos de audio en el flujo de bits, y opcionalmente también metadatos de límite de programa en al menos un segmento (por ejemplo, trama) del flujo de bits. Otros aspectos son aparatos y métodos para decodificar dicho flujo de bits, por ejemplo, que incluye mediante la realización de procesamiento de sonoridad adaptativo de los datos de audio de un programa de audio indicado por el flujo de bits, o autenticación y/o validación de metadatos y/o datos de audio de dicho programa de audio. Otro aspecto es una unidad de procesamiento de audio (por ejemplo, un codificador, decodificador o postprocesador) configurado (por ejemplo, programado) para que realice cualquier modalidad del método o que incluye una memoria intermedia que almacena al menos una trama de un flujo de bits de audio generado de acuerdo con cualquier modalidad del método.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361754882P | 2013-01-21 | 2013-01-21 | |
US201361824010P | 2013-05-16 | 2013-05-16 | |
PCT/US2014/011672 WO2014113465A1 (en) | 2013-01-21 | 2014-01-15 | Audio encoder and decoder with program loudness and boundary metadata |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015004468A MX2015004468A (es) | 2015-07-14 |
MX339611B true MX339611B (es) | 2016-05-31 |
Family
ID=51210033
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021011251A MX2021011251A (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
MX2016004803A MX343571B (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
MX2016004804A MX356196B (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
MX2015004468A MX339611B (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
MX2018006149A MX2018006149A (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
MX2022013535A MX2022013535A (es) | 2013-01-21 | 2015-04-09 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021011251A MX2021011251A (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
MX2016004803A MX343571B (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
MX2016004804A MX356196B (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2018006149A MX2018006149A (es) | 2013-01-21 | 2014-01-15 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
MX2022013535A MX2022013535A (es) | 2013-01-21 | 2015-04-09 | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. |
Country Status (22)
Country | Link |
---|---|
US (6) | US9916838B2 (es) |
EP (3) | EP3822970A1 (es) |
JP (9) | JP6212565B2 (es) |
KR (8) | KR102251763B1 (es) |
CN (2) | CN107657959B (es) |
AU (1) | AU2014207590B2 (es) |
BR (5) | BR122016011963B1 (es) |
CA (1) | CA2888350C (es) |
DK (1) | DK2901449T3 (es) |
ES (4) | ES2749089T3 (es) |
HK (3) | HK1212091A1 (es) |
HU (1) | HUE036119T2 (es) |
IL (9) | IL287218B (es) |
MX (6) | MX2021011251A (es) |
MY (2) | MY193854A (es) |
PL (1) | PL2901449T3 (es) |
RU (3) | RU2713609C2 (es) |
SG (2) | SG11201502405RA (es) |
TR (1) | TR201802631T4 (es) |
TW (9) | TWI590231B (es) |
UA (3) | UA122560C2 (es) |
WO (1) | WO2014113465A1 (es) |
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