MX2023013464A - Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. - Google Patents
Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido.Info
- Publication number
- MX2023013464A MX2023013464A MX2023013464A MX2023013464A MX2023013464A MX 2023013464 A MX2023013464 A MX 2023013464A MX 2023013464 A MX2023013464 A MX 2023013464A MX 2023013464 A MX2023013464 A MX 2023013464A MX 2023013464 A MX2023013464 A MX 2023013464A
- Authority
- MX
- Mexico
- Prior art keywords
- high frequency
- audio signal
- frequency reconstruction
- audio
- integration
- 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
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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
- G10L19/18—Vocoders using multiple modes
-
- 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)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Networks Using Active Elements (AREA)
- Stereophonic System (AREA)
Abstract
Se divulga un método para decodificar un flujo de bits de audio codificado. El método incluye recibir el flujo de bits de audio codificado y decodificar los datos de audio para generar una señal de audio de banda baja decodificada. El método incluye además extraer metadatos de reconstrucción de alta frecuencia y filtrar la señal de audio de banda baja decodificada con un banco de filtro de análisis para generar una señal de audio de banda baja filtrada. El método también incluye extraer una bandera que indica si se ha de realizar alguna de traducción espectral o transposición armónica sobre los datos de audio y regenerar una porción de banda alta de la señal de audio usando la señal de audio de banda baja filtrada y los metadatos de reconstrucción de alta frecuencia de acuerdo con la bandera. La regeneración de alta frecuencia se realiza como una operación de post-procesamiento con un retraso de 3010 muestras por canal de audio.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862662296P | 2018-04-25 | 2018-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2023013464A true MX2023013464A (es) | 2023-12-15 |
Family
ID=68294559
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2020011212A MX2020011212A (es) | 2018-04-25 | 2019-04-25 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013465A MX2023013465A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013470A MX2023013470A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013457A MX2023013457A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013459A MX2023013459A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013461A MX2023013461A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013469A MX2023013469A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013463A MX2023013463A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013464A MX2023013464A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013467A MX2023013467A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
Family Applications Before (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2020011212A MX2020011212A (es) | 2018-04-25 | 2019-04-25 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013465A MX2023013465A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013470A MX2023013470A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013457A MX2023013457A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013459A MX2023013459A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013461A MX2023013461A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013469A MX2023013469A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
| MX2023013463A MX2023013463A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023013467A MX2023013467A (es) | 2018-04-25 | 2020-10-22 | Integracion de tecnicas de reconstruccion de alta frecuencia con retraso post-procesamiento reducido. |
Country Status (20)
| Country | Link |
|---|---|
| US (10) | US11562759B2 (es) |
| EP (1) | EP3662469A4 (es) |
| JP (10) | JP6908795B2 (es) |
| KR (7) | KR102560473B1 (es) |
| CN (10) | CN121459830A (es) |
| AR (8) | AR114840A1 (es) |
| AU (4) | AU2019257701A1 (es) |
| BR (1) | BR112020021809A2 (es) |
| CA (5) | CA3238620A1 (es) |
| CL (1) | CL2020002746A1 (es) |
| IL (5) | IL319703A (es) |
| MA (1) | MA50760A (es) |
| MX (10) | MX2020011212A (es) |
| MY (4) | MY199480A (es) |
| RU (1) | RU2758199C1 (es) |
| SG (1) | SG11202010367YA (es) |
| TW (5) | TWI886626B (es) |
| UA (1) | UA128605C2 (es) |
| WO (1) | WO2019210068A1 (es) |
| ZA (4) | ZA202006517B (es) |
Families Citing this family (10)
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| TWI752166B (zh) * | 2017-03-23 | 2022-01-11 | 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 |
| WO2019145955A1 (en) | 2018-01-26 | 2019-08-01 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| IL319703A (en) | 2018-04-25 | 2025-05-01 | Dolby Int Ab | Combining high-frequency reconstruction techniques with reduced post-processing delay |
| CA3098064A1 (en) | 2018-04-25 | 2019-10-31 | Dolby International Ab | Integration of high frequency audio reconstruction techniques |
| CN113113032B (zh) * | 2020-01-10 | 2024-08-09 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
| CN113192523B (zh) * | 2020-01-13 | 2024-07-16 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
| CN113808596B (zh) * | 2020-05-30 | 2025-01-03 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
| CN114079968A (zh) * | 2020-08-21 | 2022-02-22 | 华为技术有限公司 | 传输数据的方法和装置 |
| CN114550732B (zh) * | 2022-04-15 | 2022-07-08 | 腾讯科技（深圳）有限公司 | 一种高频音频信号的编解码方法和相关装置 |
| CN115097266B (zh) * | 2022-06-20 | 2024-11-29 | 国网上海市电力公司 | 一种电力电缆局部放电类型识别方法、装置及存储介质 |
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| CA3098064A1 (en) * | 2018-04-25 | 2019-10-31 | Dolby International Ab | Integration of high frequency audio reconstruction techniques |
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2019
- 2019-04-24 IL IL319703A patent/IL319703A/en unknown
- 2019-04-24 IL IL313348A patent/IL313348B2/en unknown
- 2019-04-25 SG SG11202010367YA patent/SG11202010367YA/en unknown
- 2019-04-25 CN CN202511677690.9A patent/CN121459830A/zh active Pending
- 2019-04-25 TW TW112142356A patent/TWI886626B/zh active
- 2019-04-25 WO PCT/US2019/029144 patent/WO2019210068A1/en not_active Ceased
- 2019-04-25 TW TW114126427A patent/TW202542894A/zh unknown
- 2019-04-25 AR ARP190101096A patent/AR114840A1/es active IP Right Grant
- 2019-04-25 CA CA3238620A patent/CA3238620A1/en active Pending
- 2019-04-25 KR KR1020227042164A patent/KR102560473B1/ko active Active
- 2019-04-25 CN CN202111585701.2A patent/CN114242089B/zh active Active
- 2019-04-25 KR KR1020237025281A patent/KR102649124B1/ko active Active
- 2019-04-25 CN CN202511677682.4A patent/CN121459829A/zh active Pending
- 2019-04-25 KR KR1020247008612A patent/KR102852107B1/ko active Active
- 2019-04-25 CN CN202111585703.1A patent/CN114242090B/zh active Active
- 2019-04-25 KR KR1020207033980A patent/KR102310937B1/ko active Active
- 2019-04-25 CA CA3238615A patent/CA3238615A1/en active Pending
- 2019-04-25 UA UAA202007394A patent/UA128605C2/uk unknown
- 2019-04-25 CN CN201980034811.4A patent/CN112204659B/zh active Active
- 2019-04-25 CN CN202511677677.3A patent/CN121214953A/zh active Pending
- 2019-04-25 CA CA3098295A patent/CA3098295C/en active Active
- 2019-04-25 EP EP19791884.0A patent/EP3662469A4/en not_active Ceased
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