TWI606440B - 訊框錯誤隱藏裝置 - Google Patents
訊框錯誤隱藏裝置 Download PDFInfo
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- TWI606440B TWI606440B TW105126471A TW105126471A TWI606440B TW I606440 B TWI606440 B TW I606440B TW 105126471 A TW105126471 A TW 105126471A TW 105126471 A TW105126471 A TW 105126471A TW I606440 B TWI606440 B TW I606440B
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- 238000012545 processing Methods 0.000 claims description 109
- 238000000034 method Methods 0.000 claims description 101
- 230000003595 spectral effect Effects 0.000 claims description 81
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- 230000008569 process Effects 0.000 claims description 48
- 238000010586 diagram Methods 0.000 description 74
- 230000005284 excitation Effects 0.000 description 58
- 230000005236 sound signal Effects 0.000 description 33
- 238000001228 spectrum Methods 0.000 description 33
- 230000001052 transient effect Effects 0.000 description 20
- 238000013139 quantization Methods 0.000 description 19
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- 238000001514 detection method Methods 0.000 description 17
- 238000012805 post-processing Methods 0.000 description 17
- 238000007781 pre-processing Methods 0.000 description 13
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/0204—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 using subband decomposition
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261704739P | 2012-09-24 | 2012-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201642247A TW201642247A (zh) | 2016-12-01 |
| TWI606440B true TWI606440B (zh) | 2017-11-21 |
Family
ID=50341728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102134458A TWI553628B (zh) | 2012-09-24 | 2013-09-24 | 訊框錯誤隱藏方法 |
| TW105126471A TWI606440B (zh) | 2012-09-24 | 2013-09-24 | 訊框錯誤隱藏裝置 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102134458A TWI553628B (zh) | 2012-09-24 | 2013-09-24 | 訊框錯誤隱藏方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US9280975B2 (OSRAM) |
| EP (1) | EP2903004A4 (OSRAM) |
| JP (1) | JP6434411B2 (OSRAM) |
| KR (3) | KR102063900B1 (OSRAM) |
| CN (3) | CN104885149B (OSRAM) |
| TW (2) | TWI553628B (OSRAM) |
| WO (1) | WO2014046526A1 (OSRAM) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
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| MX343673B (es) | 2013-04-05 | 2016-11-16 | Dolby Int Ab | Codificador y decodificador de audio. |
| JP6214071B2 (ja) * | 2013-06-21 | 2017-10-18 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | Ｆｄｎｓ適用に先立ちｍｄｃｔスペクトルをホワイトノイズへフェードさせることを実現する装置及び方法 |
| JP6216553B2 (ja) * | 2013-06-27 | 2017-10-18 | クラリオン株式会社 | 伝搬遅延補正装置及び伝搬遅延補正方法 |
| CN104301064B (zh) | 2013-07-16 | 2018-05-04 | 华为技术有限公司 | 处理丢失帧的方法和解码器 |
| EP2830059A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling energy adjustment |
| KR102865245B1 (ko) | 2014-03-24 | 2025-09-25 | 삼성전자주식회사 | 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치 |
| CA2951875C (en) | 2014-06-10 | 2018-11-20 | Lg Electronics Inc. | Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, broadcast signal transmitting method, and broadcast signal receiving method |
| PL3367380T3 (pl) * | 2014-06-13 | 2020-06-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Obsługa sekwencji błędów ramki |
| CN105225666B (zh) | 2014-06-25 | 2016-12-28 | 华为技术有限公司 | 处理丢失帧的方法和装置 |
| EP2980791A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| WO2016016724A2 (ko) * | 2014-07-28 | 2016-02-04 | 삼성전자 주식회사 | 패킷 손실 은닉방법 및 장치와 이를 적용한 복호화방법 및 장치 |
| TWI602172B (zh) | 2014-08-27 | 2017-10-11 | 弗勞恩霍夫爾協會 | 使用參數以加強隱蔽之用於編碼及解碼音訊內容的編碼器、解碼器及方法 |
| BR112017010911B1 (pt) | 2014-12-09 | 2023-11-21 | Dolby International Ab | Método e sistema de decodificação para ocultar erros em pacotes de dados que devem ser decodificados em um decodificador de áudio baseado em transformação de cosseno discreto modificado |
| US9916835B2 (en) * | 2015-01-22 | 2018-03-13 | Sennheiser Electronic Gmbh & Co. Kg | Digital wireless audio transmission system |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| JP6501259B2 (ja) * | 2015-08-04 | 2019-04-17 | 本田技研工業株式会社 | 音声処理装置及び音声処理方法 |
| JP6611042B2 (ja) * | 2015-12-02 | 2019-11-27 | パナソニックＩｐマネジメント株式会社 | 音声信号復号装置及び音声信号復号方法 |
| CN109155133B (zh) * | 2016-03-07 | 2023-06-02 | 弗劳恩霍夫应用研究促进协会 | 音频帧丢失隐藏的错误隐藏单元、音频解码器及相关方法 |
| EP3483884A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| 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 |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| CN113196386B (zh) * | 2018-12-20 | 2024-09-17 | 瑞典爱立信有限公司 | 用于控制多声道音频帧丢失隐藏的方法和装置 |
| WO2020164753A1 (en) * | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
| AU2019437394B2 (en) * | 2019-03-25 | 2025-02-13 | Razer (Asia-Pacific) Pte. Ltd. | Method and apparatus for using incremental search sequence in audio error concealment |
| WO2020253941A1 (en) | 2019-06-17 | 2020-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs |
| TW202516861A (zh) | 2019-06-26 | 2025-04-16 | 美商杜拜研究特許公司 | 具有改善頻率解析度的低延遲音訊濾波器組 |
| KR20250116784A (ko) * | 2019-09-03 | 2025-08-01 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 역상관 컴포넌트를 갖는 오디오 필터뱅크 |
| BR112022010062A2 (pt) * | 2019-11-27 | 2022-09-06 | Fraunhofer Ges Forschung | Codificador, decodificador, aparelho para ocultação de perda de quadro, sistema e métodos |
| JP7524678B2 (ja) * | 2020-08-28 | 2024-07-30 | 沖電気工業株式会社 | 信号処理装置および信号処理方法並びに信号処理方法のプログラム |
| CN113035208B (zh) * | 2021-03-04 | 2023-03-28 | 北京百瑞互联技术有限公司 | 一种音频解码器的分级错误隐藏方法、装置及存储介质 |
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| CN101588341B (zh) * | 2008-05-22 | 2012-07-04 | 华为技术有限公司 | 一种丢帧隐藏的方法及装置 |
| KR101456641B1 (ko) * | 2008-07-11 | 2014-11-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 인코더 및 오디오 디코더 |
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| TWI426785B (zh) | 2010-09-17 | 2014-02-11 | Univ Nat Cheng Kung | 於可調式影像解碼的全畫面錯誤掩蓋方法 |
| CN102547282B (zh) * | 2011-12-29 | 2013-04-03 | 中国科学技术大学 | 可伸缩视频编码错误隐藏方法、解码器和系统 |
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2013
- 2013-09-24 TW TW102134458A patent/TWI553628B/zh active
- 2013-09-24 EP EP13839397.0A patent/EP2903004A4/en not_active Ceased
- 2013-09-24 CN CN201380061310.8A patent/CN104885149B/zh active Active
- 2013-09-24 KR KR1020130113473A patent/KR102063900B1/ko active Active
- 2013-09-24 WO PCT/KR2013/008552 patent/WO2014046526A1/ko not_active Ceased
- 2013-09-24 JP JP2015532977A patent/JP6434411B2/ja active Active
- 2013-09-24 CN CN201710966802.1A patent/CN107731237B/zh active Active
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| JP2015534655A (ja) | 2015-12-03 |
| KR102063900B1 (ko) | 2020-01-08 |
| US9842595B2 (en) | 2017-12-12 |
| CN107731237A (zh) | 2018-02-23 |
| KR20200062132A (ko) | 2020-06-03 |
| CN107481725A (zh) | 2017-12-15 |
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| US20180114532A1 (en) | 2018-04-26 |
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| EP2903004A1 (en) | 2015-08-05 |
| US10140994B2 (en) | 2018-11-27 |
| US20140142957A1 (en) | 2014-05-22 |
| KR102117051B1 (ko) | 2020-06-02 |
| US20160189719A1 (en) | 2016-06-30 |
| WO2014046526A1 (ko) | 2014-03-27 |
| CN104885149A (zh) | 2015-09-02 |
| KR20200005676A (ko) | 2020-01-15 |
| KR102151749B1 (ko) | 2020-09-03 |
| US20170092279A1 (en) | 2017-03-30 |
| TWI553628B (zh) | 2016-10-11 |
| CN107731237B (zh) | 2021-07-20 |
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