AR128547A2 - Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido - Google Patents
Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducidoInfo
- Publication number
- AR128547A2 AR128547A2 ARP230100374A ARP230100374A AR128547A2 AR 128547 A2 AR128547 A2 AR 128547A2 AR P230100374 A ARP230100374 A AR P230100374A AR P230100374 A ARP230100374 A AR P230100374A AR 128547 A2 AR128547 A2 AR 128547A2
- Authority
- AR
- Argentina
- Prior art keywords
- high frequency
- audio signal
- low band
- frequency reconstruction
- audio
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000012805 post-processing Methods 0.000 title abstract 2
- 230000010354 integration Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 abstract 5
- 238000001914 filtration Methods 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 1
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
- G10L19/18—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
- 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
- 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)
- 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)
- 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 |
|---|---|
| AR128547A2 true AR128547A2 (es) | 2024-05-22 |
Family
ID=68294559
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP190101096A AR114840A1 (es) | 2018-04-25 | 2019-04-25 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP220102021A AR126606A2 (es) | 2018-04-25 | 2022-07-28 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP220102020A AR126605A2 (es) | 2018-04-25 | 2022-07-28 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100377A AR128550A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100375A AR128548A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100376A AR128549A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100374A AR128547A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100378A AR128551A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP190101096A AR114840A1 (es) | 2018-04-25 | 2019-04-25 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP220102021A AR126606A2 (es) | 2018-04-25 | 2022-07-28 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP220102020A AR126605A2 (es) | 2018-04-25 | 2022-07-28 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100377A AR128550A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100375A AR128548A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
| ARP230100376A AR128549A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción de alta frecuencia con retraso post-procesamiento reducido |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP230100378A AR128551A2 (es) | 2018-04-25 | 2023-02-16 | Integración de técnicas de reconstrucción 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) | KR102310937B1 (es) |
| CN (8) | CN121393455A (es) |
| AR (8) | AR114840A1 (es) |
| AU (4) | AU2019257701A1 (es) |
| BR (1) | BR112020021809A2 (es) |
| CA (5) | CA3238615A1 (es) |
| CL (1) | CL2020002746A1 (es) |
| IL (5) | IL313348B2 (es) |
| MA (1) | MA50760A (es) |
| MX (10) | MX2020011212A (es) |
| MY (4) | MY208243A (es) |
| RU (1) | RU2758199C1 (es) |
| SG (1) | SG11202010367YA (es) |
| TW (2) | TWI886626B (es) |
| UA (1) | UA128605C2 (es) |
| WO (1) | WO2019210068A1 (es) |
| ZA (4) | ZA202006517B (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI901542B (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 |
| WO2019145955A1 (en) | 2018-01-26 | 2019-08-01 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| IL313348B2 (en) * | 2018-04-25 | 2025-08-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| CN118800273A (zh) | 2018-04-25 | 2024-10-18 | 杜比国际公司 | 高频音频重建技术的集成 |
| 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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2019
- 2019-04-24 IL IL313348A patent/IL313348B2/en unknown
- 2019-04-24 IL IL319703A patent/IL319703A/en unknown
- 2019-04-25 MY MYPI2024005875A patent/MY208243A/en unknown
- 2019-04-25 CA CA3238615A patent/CA3238615A1/en active Pending
- 2019-04-25 MY MYPI2024005877A patent/MY208358A/en unknown
- 2019-04-25 TW TW112142356A patent/TWI886626B/zh active
- 2019-04-25 CN CN202511677692.8A patent/CN121393455A/zh active Pending
- 2019-04-25 CN CN202111585683.8A patent/CN114242088B/zh active Active
- 2019-04-25 JP JP2020559494A patent/JP6908795B2/ja active Active
- 2019-04-25 CA CA3098295A patent/CA3098295C/en active Active
- 2019-04-25 CN CN202111584446.XA patent/CN114242086B/zh active Active
- 2019-04-25 CN CN202511677677.3A patent/CN121214953A/zh active Pending
- 2019-04-25 BR BR112020021809-0A patent/BR112020021809A2/pt unknown
- 2019-04-25 MA MA050760A patent/MA50760A/fr unknown
- 2019-04-25 CA CA3238620A patent/CA3238620A1/en active Pending
- 2019-04-25 UA UAA202007394A patent/UA128605C2/uk unknown
- 2019-04-25 KR KR1020207033980A patent/KR102310937B1/ko active Active
- 2019-04-25 MX MX2020011212A patent/MX2020011212A/es unknown
- 2019-04-25 CA CA3238617A patent/CA3238617A1/en active Pending
- 2019-04-25 SG SG11202010367YA patent/SG11202010367YA/en unknown
- 2019-04-25 CA CA3152262A patent/CA3152262A1/en active Pending
- 2019-04-25 KR KR1020257028331A patent/KR20250133985A/ko active Pending
- 2019-04-25 WO PCT/US2019/029144 patent/WO2019210068A1/en not_active Ceased
- 2019-04-25 CN CN202111585681.9A patent/CN114242087B/zh active Active
- 2019-04-25 KR KR1020257006885A patent/KR20250036948A/ko active Pending
- 2019-04-25 KR KR1020247008612A patent/KR102852107B1/ko active Active
- 2019-04-25 KR KR1020227042164A patent/KR102560473B1/ko active Active
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