AR126605A2 - 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
- AR126605A2 AR126605A2 ARP220102020A ARP220102020A AR126605A2 AR 126605 A2 AR126605 A2 AR 126605A2 AR P220102020 A ARP220102020 A AR P220102020A AR P220102020 A ARP220102020 A AR P220102020A AR 126605 A2 AR126605 A2 AR 126605A2
- 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
- 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
-
- 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
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)
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 |
|---|---|
| AR126605A2 true AR126605A2 (es) | 2023-10-25 |
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 |
| ARP220102020A AR126605A2 (es) | 2018-04-25 | 2022-07-28 | 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 |
| ARP230100375A AR128548A2 (es) | 2018-04-25 | 2023-02-16 | 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 |
| ARP230100374A AR128547A2 (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 |
| 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 (1)
| 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 |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP220102021A AR126606A2 (es) | 2018-04-25 | 2022-07-28 | 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 |
| ARP230100377A AR128550A2 (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 |
| ARP230100376A AR128549A2 (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 |
Country Status (17)
| Country | Link |
|---|---|
| US (7) | US11562759B2 (es) |
| EP (1) | EP3662469A4 (es) |
| JP (3) | JP6908795B2 (es) |
| KR (5) | KR102310937B1 (es) |
| CN (6) | CN114242088A (es) |
| AR (8) | AR114840A1 (es) |
| AU (3) | AU2019257701A1 (es) |
| BR (1) | BR112020021809A2 (es) |
| CA (5) | CA3098295C (es) |
| CL (1) | CL2020002746A1 (es) |
| MA (1) | MA50760A (es) |
| MX (6) | MX2020011212A (es) |
| RU (2) | RU2758199C1 (es) |
| SG (1) | SG11202010367YA (es) |
| TW (2) | TWI820123B (es) |
| WO (1) | WO2019210068A1 (es) |
| ZA (2) | ZA202006517B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TW202341126A (zh) * | 2017-03-23 | 2023-10-16 | 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 |
| JP7257041B2 (ja) | 2019-10-28 | 2023-04-13 | 国立大学法人東北大学 | 推定装置、推定方法、及び、材料の製造方法 |
| CN113113032A (zh) * | 2020-01-10 | 2021-07-13 | 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 |
| CN113808596A (zh) * | 2020-05-30 | 2021-12-17 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
| 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 |
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| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| SE9903553D0 (sv) | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
| SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| DE60202881T2 (de) * | 2001-11-29 | 2006-01-19 | Coding Technologies Ab | Wiederherstellung von hochfrequenzkomponenten |
| US7447631B2 (en) | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| US6792057B2 (en) | 2002-08-29 | 2004-09-14 | Bae Systems Information And Electronic Systems Integration Inc | Partial band reconstruction of frequency channelized filters |
| CN1989546B (zh) * | 2004-07-20 | 2011-07-13 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
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| TWI809289B (zh) | 2018-01-26 | 2023-07-21 | 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 |
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2019
- 2019-04-25 CA CA3098295A patent/CA3098295C/en active Active
- 2019-04-25 CA CA3238620A patent/CA3238620A1/en active Pending
- 2019-04-25 CA CA3238615A patent/CA3238615A1/en active Pending
- 2019-04-25 KR KR1020207033980A patent/KR102310937B1/ko active IP Right Grant
- 2019-04-25 KR KR1020217031784A patent/KR102474146B1/ko active IP Right Grant
- 2019-04-25 KR KR1020227042164A patent/KR102560473B1/ko active IP Right Grant
- 2019-04-25 RU RU2020138079A patent/RU2758199C1/ru active
- 2019-04-25 WO PCT/US2019/029144 patent/WO2019210068A1/en active Application Filing
- 2019-04-25 RU RU2021130811A patent/RU2021130811A/ru unknown
- 2019-04-25 TW TW108114437A patent/TWI820123B/zh active
- 2019-04-25 MX MX2020011212A patent/MX2020011212A/es unknown
- 2019-04-25 KR KR1020247008612A patent/KR20240042120A/ko unknown
- 2019-04-25 JP JP2020559494A patent/JP6908795B2/ja active Active
- 2019-04-25 CN CN202111585683.8A patent/CN114242088A/zh active Pending
- 2019-04-25 MA MA050760A patent/MA50760A/fr unknown
- 2019-04-25 CN CN202111584446.XA patent/CN114242086A/zh active Pending
- 2019-04-25 CN CN201980034811.4A patent/CN112204659B/zh active Active
- 2019-04-25 AU AU2019257701A patent/AU2019257701A1/en not_active Abandoned
- 2019-04-25 TW TW112142356A patent/TW202410027A/zh unknown
- 2019-04-25 CN CN202111585681.9A patent/CN114242087A/zh active Pending
- 2019-04-25 AR ARP190101096A patent/AR114840A1/es active IP Right Grant
- 2019-04-25 KR KR1020237025281A patent/KR102649124B1/ko active IP Right Grant
- 2019-04-25 EP EP19791884.0A patent/EP3662469A4/en not_active Ceased
- 2019-04-25 BR BR112020021809-0A patent/BR112020021809A2/pt unknown
- 2019-04-25 CA CA3152262A patent/CA3152262A1/en active Pending
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- 2019-04-25 CN CN202111585703.1A patent/CN114242090A/zh active Pending
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- 2019-04-25 CN CN202111585701.2A patent/CN114242089A/zh active Pending
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2020
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- 2020-10-22 MX MX2023013469A patent/MX2023013469A/es unknown
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- 2020-10-22 CL CL2020002746A patent/CL2020002746A1/es unknown
- 2020-10-22 MX MX2023013467A patent/MX2023013467A/es unknown
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2021
- 2021-07-01 JP JP2021110192A patent/JP7242767B2/ja active Active
- 2021-12-02 AU AU2021277708A patent/AU2021277708B2/en active Active
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2022
- 2022-04-26 ZA ZA2022/04656A patent/ZA202204656B/en unknown
- 2022-07-28 AR ARP220102020A patent/AR126605A2/es unknown
- 2022-07-28 AR ARP220102021A patent/AR126606A2/es unknown
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2023
- 2023-01-20 US US18/157,644 patent/US11908486B2/en active Active
- 2023-02-16 AR ARP230100375A patent/AR128548A2/es unknown
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- 2023-02-16 AR ARP230100376A patent/AR128549A2/es unknown
- 2023-02-16 AR ARP230100378A patent/AR128551A2/es unknown
- 2023-03-03 US US18/178,405 patent/US11830509B2/en active Active
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2024
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