AR114580A2 - Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno - Google Patents
Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de rellenoInfo
- Publication number
- AR114580A2 AR114580A2 ARP190100266A ARP190100266A AR114580A2 AR 114580 A2 AR114580 A2 AR 114580A2 AR P190100266 A ARP190100266 A AR P190100266A AR P190100266 A ARP190100266 A AR P190100266A AR 114580 A2 AR114580 A2 AR 114580A2
- Authority
- AR
- Argentina
- Prior art keywords
- spectral band
- band replication
- enhanced spectral
- bit streams
- audio bit
- Prior art date
Links
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
- G10L19/04—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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- 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
- G10L19/16—Vocoder architecture
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Las formas de realización se refieren a una unidad de procesamiento de audio que incluye un búfer, deformateador de carga útil de corrientes de bits, y un subsistema de decodificación. El búfer almacena por lo menos un bloque de una corriente de bits de audio codificada. El bloque incluye un elemento de relleno que comienza con un identificador, seguido de datos de relleno. Los datos de relleno incluyen por lo menos una bandera que identifica si debe realizarse el procesamiento de replicación de banda espectral mejorada (eSBR) sobre contenido de audio del bloque. Se proporciona además un método correspondiente para la decodificación de una corriente de bits de audio codificada.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15159067 | 2015-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR114580A2 true AR114580A2 (es) | 2020-09-23 |
Family
ID=52692473
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP160100577A AR103856A1 (es) | 2015-03-13 | 2016-03-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100266A AR114580A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100261A AR114575A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100262A AR114576A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100264A AR114578A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100265A AR114579A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100258A AR114572A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100260A AR114574A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100263A AR114577A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100259A AR114573A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP160100577A AR103856A1 (es) | 2015-03-13 | 2016-03-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP190100261A AR114575A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100262A AR114576A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100264A AR114578A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100265A AR114579A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100258A AR114572A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100260A AR114574A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100263A AR114577A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
| ARP190100259A AR114573A2 (es) | 2015-03-13 | 2019-02-04 | Decodificación de corrientes de bits de audio con metadatos de replicación de banda espectral mejorada en por lo menos un elemento de relleno |
Country Status (24)
| Country | Link |
|---|---|
| US (14) | US10262668B2 (es) |
| EP (11) | EP4141866B1 (es) |
| JP (10) | JP6383501B2 (es) |
| KR (12) | KR102806138B1 (es) |
| CN (22) | CN109461454B (es) |
| AR (10) | AR103856A1 (es) |
| AU (7) | AU2016233669B2 (es) |
| BR (9) | BR112017019499B1 (es) |
| CA (6) | CA2989595C (es) |
| CL (1) | CL2017002268A1 (es) |
| DK (6) | DK3598443T3 (es) |
| ES (8) | ES3015387T3 (es) |
| FI (3) | FI4141866T3 (es) |
| HU (8) | HUE070762T2 (es) |
| IL (4) | IL295809B2 (es) |
| MX (4) | MX372635B (es) |
| MY (6) | MY210202A (es) |
| PL (10) | PL3958259T3 (es) |
| PT (1) | PT4336499T (es) |
| RU (4) | RU2665887C1 (es) |
| SG (2) | SG10201802002QA (es) |
| TW (7) | TWI890652B (es) |
| WO (2) | WO2016146492A1 (es) |
| ZA (5) | ZA201903963B (es) |
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| TWI901543B (zh) * | 2017-03-23 | 2025-10-11 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
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| JP7596146B2 (ja) | 2017-12-19 | 2024-12-09 | ドルビー・インターナショナル・アーベー | 音声音響統合復号および符号化の改良のための方法、機器、およびシステム |
| MY205827A (en) | 2017-12-19 | 2024-11-14 | Dolby Int Ab | Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements |
| TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
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| PL4099325T3 (pl) * | 2018-01-26 | 2023-08-14 | Dolby International Ab | Kompatybilna wstecznie integracja technik rekonstrukcji wysokiej częstotliwości dla sygnałów audio |
| TWI895201B (zh) * | 2018-01-26 | 2025-08-21 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
| IL324371A (en) | 2018-04-25 | 2026-01-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
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