AR094679A1 - Llenado con ruido en codificación de audio por transformada perceptual - Google Patents
Llenado con ruido en codificación de audio por transformada perceptualInfo
- Publication number
- AR094679A1 AR094679A1 ARP140100295A ARP140100295A AR094679A1 AR 094679 A1 AR094679 A1 AR 094679A1 AR P140100295 A ARP140100295 A AR P140100295A AR P140100295 A ARP140100295 A AR P140100295A AR 094679 A1 AR094679 A1 AR 094679A1
- Authority
- AR
- Argentina
- Prior art keywords
- perceptual
- filling
- noise
- audio coding
- transformed audio
- 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
- G10L19/02—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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L19/02—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
-
- 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
-
- 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
- G10L19/18—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
Abstract
Se mejora el llenado con ruido en los códecs de audio por transformada perceptual mediante la ejecución del llenado con ruido con una inclinación espectralmente global, en lugar de hacerlo en forma espectralmente plana.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758209P | 2013-01-29 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR094679A1 true AR094679A1 (es) | 2015-08-19 |
Family
ID=50029035
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100295A AR094679A1 (es) | 2013-01-29 | 2014-01-29 | Llenado con ruido en codificación de audio por transformada perceptual |
ARP140100294A AR094678A1 (es) | 2013-01-29 | 2014-01-29 | Concepto de llenado con ruido |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100294A AR094678A1 (es) | 2013-01-29 | 2014-01-29 | Concepto de llenado con ruido |
Country Status (21)
Country | Link |
---|---|
US (4) | US9524724B2 (es) |
EP (6) | EP3471093B1 (es) |
JP (2) | JP6289508B2 (es) |
KR (6) | KR101778220B1 (es) |
CN (5) | CN110197667B (es) |
AR (2) | AR094679A1 (es) |
AU (2) | AU2014211544B2 (es) |
BR (2) | BR112015017748B1 (es) |
CA (2) | CA2898029C (es) |
ES (4) | ES2796485T3 (es) |
HK (2) | HK1218345A1 (es) |
MX (2) | MX343572B (es) |
MY (2) | MY172238A (es) |
PL (4) | PL2951817T3 (es) |
PT (4) | PT3451334T (es) |
RU (2) | RU2660605C2 (es) |
SG (2) | SG11201505915YA (es) |
TR (2) | TR201902849T4 (es) |
TW (2) | TWI529700B (es) |
WO (2) | WO2014118175A1 (es) |
ZA (2) | ZA201506269B (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2014211544B2 (en) | 2013-01-29 | 2017-03-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise filling in perceptual transform audio coding |
BR112015018023B1 (pt) * | 2013-01-29 | 2022-06-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Aparelho e método para sintetizar um sinal de áudio, decodificador, codificador e sistema |
MX356164B (es) | 2013-11-13 | 2018-05-16 | Fraunhofer Ges Forschung | Codificador para codificar una señal de audio, sistema de audio de transmisión y método para determinar valores de corrección. |
EP2980792A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an enhanced signal using independent noise-filling |
EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
DE102016104665A1 (de) | 2016-03-14 | 2017-09-14 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals |
US10146500B2 (en) | 2016-08-31 | 2018-12-04 | Dts, Inc. | Transform-based audio codec and method with subband energy smoothing |
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 |
EP3483880A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
WO2019166317A1 (en) * | 2018-02-27 | 2019-09-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | A spectrally adaptive noise filling tool (sanft) for perceptual transform coding of still and moving images |
US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
CN112735449B (zh) * | 2020-12-30 | 2023-04-14 | 北京百瑞互联技术有限公司 | 优化频域噪声整形的音频编码方法及装置 |
CN113883672B (zh) * | 2021-09-13 | 2022-11-15 | Tcl空调器(中山)有限公司 | 噪音类型识别方法、空调器及计算机可读存储介质 |
WO2023117144A1 (en) * | 2021-12-23 | 2023-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using a tilt |
TW202345142A (zh) * | 2021-12-23 | 2023-11-16 | 弗勞恩霍夫爾協會 | 在音訊寫碼中使用傾斜用於頻譜時間改善頻譜間隙填充之方法及設備 |
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2014
- 2014-01-28 AU AU2014211544A patent/AU2014211544B2/en active Active
- 2014-01-28 KR KR1020167019946A patent/KR101778220B1/ko active IP Right Grant
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- 2014-01-28 PT PT182062240T patent/PT3471093T/pt unknown
- 2014-01-28 KR KR1020157022497A patent/KR101897092B1/ko active IP Right Grant
- 2014-01-28 RU RU2015136505A patent/RU2660605C2/ru active
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2019
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