HK1224009A1 - 用於生成舒適雜訊的自適應頻譜形狀的裝置和方法 - Google Patents
用於生成舒適雜訊的自適應頻譜形狀的裝置和方法Info
- Publication number
- HK1224009A1 HK1224009A1 HK16112304.8A HK16112304A HK1224009A1 HK 1224009 A1 HK1224009 A1 HK 1224009A1 HK 16112304 A HK16112304 A HK 16112304A HK 1224009 A1 HK1224009 A1 HK 1224009A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- generating
- comfort noise
- spectral shape
- adaptive spectral
- adaptive
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000003595 spectral effect Effects 0.000 title 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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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
- G10L19/002—Dynamic bit allocation
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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
- G10L19/012—Comfort noise or silence coding
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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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
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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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
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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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
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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
- G10L19/08—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
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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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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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
- G10L19/02—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
- G10L19/0212—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 orthogonal transformation
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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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
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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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
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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
- G10L2019/0001—Codebooks
- G10L2019/0016—Codebook for LPC parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mathematical Physics (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13173154 | 2013-06-21 | ||
EP14166998 | 2014-05-05 | ||
PCT/EP2014/063173 WO2014202786A1 (en) | 2013-06-21 | 2014-06-23 | Apparatus and method for generating an adaptive spectral shape of comfort noise |
Publications (1)
Publication Number | Publication Date |
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HK1224009A1 true HK1224009A1 (zh) | 2017-08-11 |
Family
ID=50981527
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK16112305.7A HK1224076A1 (zh) | 2013-06-21 | 2016-10-26 | 使用 對損壞的或未接收到的幀重構的音頻解碼 |
HK16112304.8A HK1224009A1 (zh) | 2013-06-21 | 2016-10-26 | 用於生成舒適雜訊的自適應頻譜形狀的裝置和方法 |
HK16112354.7A HK1224423A1 (zh) | 2013-06-21 | 2016-10-27 | 針對切換式音頻編碼系統在錯誤隱藏期間改善信號衰落的裝置及方法 |
HK16112355.6A HK1224424A1 (zh) | 2013-06-21 | 2016-10-27 | 應用之前實現將 頻譜衰落至白雜訊的裝置和方法 |
HK16112356.5A HK1224425A1 (zh) | 2013-06-21 | 2016-10-27 | 在錯誤隱藏期間在不同域中改善信號衰落的裝置及方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK16112305.7A HK1224076A1 (zh) | 2013-06-21 | 2016-10-26 | 使用 對損壞的或未接收到的幀重構的音頻解碼 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK16112354.7A HK1224423A1 (zh) | 2013-06-21 | 2016-10-27 | 針對切換式音頻編碼系統在錯誤隱藏期間改善信號衰落的裝置及方法 |
HK16112355.6A HK1224424A1 (zh) | 2013-06-21 | 2016-10-27 | 應用之前實現將 頻譜衰落至白雜訊的裝置和方法 |
HK16112356.5A HK1224425A1 (zh) | 2013-06-21 | 2016-10-27 | 在錯誤隱藏期間在不同域中改善信號衰落的裝置及方法 |
Country Status (19)
Country | Link |
---|---|
US (15) | US9997163B2 (zh) |
EP (5) | EP3011561B1 (zh) |
JP (5) | JP6201043B2 (zh) |
KR (5) | KR101787296B1 (zh) |
CN (9) | CN105340007B (zh) |
AU (5) | AU2014283124B2 (zh) |
BR (5) | BR112015031606B1 (zh) |
CA (5) | CA2915014C (zh) |
ES (5) | ES2644693T3 (zh) |
HK (5) | HK1224076A1 (zh) |
MX (5) | MX351576B (zh) |
MY (5) | MY170023A (zh) |
PL (5) | PL3011559T3 (zh) |
PT (5) | PT3011558T (zh) |
RU (5) | RU2658128C2 (zh) |
SG (5) | SG11201510352YA (zh) |
TW (5) | TWI575513B (zh) |
WO (5) | WO2014202788A1 (zh) |
ZA (1) | ZA201600310B (zh) |
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FR3024582A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Gestion de la perte de trame dans un contexte de transition fd/lpd |
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MX2018010754A (es) * | 2016-03-07 | 2019-01-14 | Fraunhofer Ges Forschung | Unidad de ocultamiento de error, decodificador de audio y método relacionado y programa de computadora que desaparece una trama de audio ocultada de acuerdo con factores de amortiguamiento diferentes para bandas de frecuencia diferentes. |
KR102192999B1 (ko) * | 2016-03-07 | 2020-12-18 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 적절히 디코딩된 오디오 프레임의 디코딩된 표현의 특성을 사용하는 에러 은닉 유닛, 오디오 디코더, 및 관련 방법과 컴퓨터 프로그램 |
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TWI602173B (zh) * | 2016-10-21 | 2017-10-11 | 盛微先進科技股份有限公司 | 音訊處理方法與非暫時性電腦可讀媒體 |
CN108074586B (zh) * | 2016-11-15 | 2021-02-12 | 电信科学技术研究院 | 一种语音问题的定位方法和装置 |
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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 |
EP3483884A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
US10650834B2 (en) | 2018-01-10 | 2020-05-12 | Savitech Corp. | Audio processing method and non-transitory computer readable medium |
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TWI657437B (zh) * | 2018-05-25 | 2019-04-21 | 英屬開曼群島商睿能創意公司 | 電動載具以及播放、產生與其相關音頻訊號之方法 |
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