CL2014001805A1 - Metodo para codificar datos de audio con compensacion adaptativa de baja frecuencia, que comprende realizar la deteccion de tonalidad en los datos de audio, generar un valor de enmascaramiento preliminar para los datos de audio, determinar un valor de enmascaramiento para los datos de audio; codificador; sistema; y metodo para decodificar datos de audio codificados - Google Patents
Metodo para codificar datos de audio con compensacion adaptativa de baja frecuencia, que comprende realizar la deteccion de tonalidad en los datos de audio, generar un valor de enmascaramiento preliminar para los datos de audio, determinar un valor de enmascaramiento para los datos de audio; codificador; sistema; y metodo para decodificar datos de audio codificadosInfo
- Publication number
- CL2014001805A1 CL2014001805A1 CL2014001805A CL2014001805A CL2014001805A1 CL 2014001805 A1 CL2014001805 A1 CL 2014001805A1 CL 2014001805 A CL2014001805 A CL 2014001805A CL 2014001805 A CL2014001805 A CL 2014001805A CL 2014001805 A1 CL2014001805 A1 CL 2014001805A1
- Authority
- CL
- Chile
- Prior art keywords
- audio data
- masking value
- hue
- encoder
- generating
- Prior art date
Links
- 230000000873 masking effect Effects 0.000 title 2
- 238000000034 method Methods 0.000 title 2
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
Classifications
-
- 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261584478P | 2012-01-09 | 2012-01-09 | |
| US13/588,890 US8527264B2 (en) | 2012-01-09 | 2012-08-17 | Method and system for encoding audio data with adaptive low frequency compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2014001805A1 true CL2014001805A1 (es) | 2015-02-27 |
Family
ID=48744528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2014001805A CL2014001805A1 (es) | 2012-01-09 | 2014-07-07 | Metodo para codificar datos de audio con compensacion adaptativa de baja frecuencia, que comprende realizar la deteccion de tonalidad en los datos de audio, generar un valor de enmascaramiento preliminar para los datos de audio, determinar un valor de enmascaramiento para los datos de audio; codificador; sistema; y metodo para decodificar datos de audio codificados |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US8527264B2 (enExample) |
| EP (1) | EP2803067B1 (enExample) |
| JP (2) | JP5755379B2 (enExample) |
| KR (1) | KR101621704B1 (enExample) |
| AR (1) | AR088007A1 (enExample) |
| AU (1) | AU2012364749B2 (enExample) |
| BR (1) | BR112014016847B1 (enExample) |
| CA (1) | CA2858663C (enExample) |
| CL (1) | CL2014001805A1 (enExample) |
| IL (1) | IL233029A0 (enExample) |
| IN (1) | IN2014CN04457A (enExample) |
| MX (1) | MX335999B (enExample) |
| MY (1) | MY187728A (enExample) |
| RU (1) | RU2583717C1 (enExample) |
| SG (1) | SG11201402983UA (enExample) |
| TW (1) | TWI470621B (enExample) |
| UA (1) | UA110291C2 (enExample) |
| WO (1) | WO2013106098A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8697975B2 (en) * | 2008-07-29 | 2014-04-15 | Yamaha Corporation | Musical performance-related information output device, system including musical performance-related information output device, and electronic musical instrument |
| US8737638B2 (en) * | 2008-07-30 | 2014-05-27 | Yamaha Corporation | Audio signal processing device, audio signal processing system, and audio signal processing method |
| JP5782677B2 (ja) | 2010-03-31 | 2015-09-24 | ヤマハ株式会社 | コンテンツ再生装置および音声処理システム |
| EP2573761B1 (en) | 2011-09-25 | 2018-02-14 | Yamaha Corporation | Displaying content in relation to music reproduction by means of information processing apparatus independent of music reproduction apparatus |
| JP5494677B2 (ja) | 2012-01-06 | 2014-05-21 | ヤマハ株式会社 | 演奏装置及び演奏プログラム |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
| 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 |
| JP6492915B2 (ja) * | 2015-04-15 | 2019-04-03 | 富士通株式会社 | 符号化装置、符号化方法、及びプログラム |
| EP3288031A1 (en) * | 2016-08-23 | 2018-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding an audio signal using a compensation value |
| JP7257975B2 (ja) * | 2017-07-03 | 2023-04-14 | ドルビー・インターナショナル・アーベー | 密集性の過渡事象の検出及び符号化の複雑さの低減 |
| CN108616277B (zh) * | 2018-05-22 | 2021-07-13 | 电子科技大学 | 一种多通道频域补偿的快速校正方法 |
| 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 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817155A (en) * | 1983-05-05 | 1989-03-28 | Briar Herman P | Method and apparatus for speech analysis |
| US5632005A (en) | 1991-01-08 | 1997-05-20 | Ray Milton Dolby | Encoder/decoder for multidimensional sound fields |
| ATE138238T1 (de) | 1991-01-08 | 1996-06-15 | Dolby Lab Licensing Corp | Kodierer/dekodierer für mehrdimensionale schallfelder |
| US5581653A (en) * | 1993-08-31 | 1996-12-03 | Dolby Laboratories Licensing Corporation | Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder |
| US5727119A (en) | 1995-03-27 | 1998-03-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
| JPH10261964A (ja) * | 1997-03-19 | 1998-09-29 | Sanyo Electric Co Ltd | 情報信号処理装置 |
| CA2230188A1 (en) * | 1998-03-27 | 1999-09-27 | William C. Treurniet | Objective audio quality measurement |
| US6775587B1 (en) * | 1999-10-30 | 2004-08-10 | Stmicroelectronics Asia Pacific Pte Ltd. | Method of encoding frequency coefficients in an AC-3 encoder |
| BRPI0113271B1 (pt) * | 2000-08-16 | 2016-01-26 | Dolby Lab Licensing Corp | método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação perceptual de acordo com informação suplementar |
| AU2211102A (en) * | 2000-11-30 | 2002-06-11 | Scient Generics Ltd | Acoustic communication system |
| US7747655B2 (en) * | 2001-11-19 | 2010-06-29 | Ricoh Co. Ltd. | Printable representations for time-based media |
| US7110941B2 (en) * | 2002-03-28 | 2006-09-19 | Microsoft Corporation | System and method for embedded audio coding with implicit auditory masking |
| US7509257B2 (en) * | 2002-12-24 | 2009-03-24 | Marvell International Ltd. | Method and apparatus for adapting reference templates |
| US7333930B2 (en) * | 2003-03-14 | 2008-02-19 | Agere Systems Inc. | Tonal analysis for perceptual audio coding using a compressed spectral representation |
| US7516064B2 (en) | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
| JP2006018023A (ja) * | 2004-07-01 | 2006-01-19 | Fujitsu Ltd | オーディオ信号符号化装置、および符号化プログラム |
| JP5395066B2 (ja) * | 2007-06-22 | 2014-01-22 | ヴォイスエイジ・コーポレーション | 音声区間検出および音声信号分類ための方法および装置 |
| WO2009039645A1 (en) | 2007-09-28 | 2009-04-02 | Voiceage Corporation | Method and device for efficient quantization of transform information in an embedded speech and audio codec |
| KR20090122142A (ko) | 2008-05-23 | 2009-11-26 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
-
2012
- 2012-08-17 US US13/588,890 patent/US8527264B2/en active Active
- 2012-09-25 MY MYPI2014001783A patent/MY187728A/en unknown
- 2012-09-25 KR KR1020147018354A patent/KR101621704B1/ko active Active
- 2012-09-25 AR ARP120103522A patent/AR088007A1/es active IP Right Grant
- 2012-09-25 CA CA2858663A patent/CA2858663C/en active Active
- 2012-09-25 TW TW101135106A patent/TWI470621B/zh active
- 2012-09-25 RU RU2014127740/08A patent/RU2583717C1/ru active
- 2012-09-25 JP JP2014551236A patent/JP5755379B2/ja active Active
- 2012-09-25 MX MX2014007400A patent/MX335999B/es unknown
- 2012-09-25 BR BR112014016847-4A patent/BR112014016847B1/pt active IP Right Grant
- 2012-09-25 EP EP12784365.4A patent/EP2803067B1/en active Active
- 2012-09-25 AU AU2012364749A patent/AU2012364749B2/en active Active
- 2012-09-25 WO PCT/US2012/057132 patent/WO2013106098A1/en not_active Ceased
- 2012-09-25 SG SG11201402983UA patent/SG11201402983UA/en unknown
- 2012-09-25 UA UAA201407672A patent/UA110291C2/ru unknown
- 2012-09-25 IN IN4457CHN2014 patent/IN2014CN04457A/en unknown
-
2014
- 2014-06-09 IL IL233029A patent/IL233029A0/en active IP Right Grant
- 2014-07-07 CL CL2014001805A patent/CL2014001805A1/es unknown
- 2014-07-07 US US14/325,130 patent/US9275649B2/en active Active
-
2015
- 2015-05-26 JP JP2015106044A patent/JP6093801B2/ja active Active
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CL2014001805A1 (es) | Metodo para codificar datos de audio con compensacion adaptativa de baja frecuencia, que comprende realizar la deteccion de tonalidad en los datos de audio, generar un valor de enmascaramiento preliminar para los datos de audio, determinar un valor de enmascaramiento para los datos de audio; codificador; sistema; y metodo para decodificar datos de audio codificados | |
| TWI562138B (en) | Method and apparatus for encoding and decoding audio signal | |
| BR112016001141A2 (pt) | Codificador de áudio, decodificador de áudio, métodos e programa de computador que usam sinais residuais codificados em conjunto | |
| PT3164870T (pt) | Descodificador e método para descodificação de um sinal de áudio, codificador e método para codificação de um sinal de áudio | |
| GB2514653B (en) | Method of and apparatus for encoding and decoding data | |
| ZA202204768B (en) | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal | |
| PL3979643T3 (pl) | Sposób, urządzenie oraz system do kodowania i dekodowania mapy istotności dla współczynników resztkowych jednostki transformaty | |
| PL2727383T3 (pl) | System i sposób służący do generowania, kodowania i renderowania sygnału adaptacyjnego audio | |
| AU2012200319A1 (en) | Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit | |
| SG11201406086UA (en) | Decoder and decoding method, as well as encoder and encoding method | |
| AU2012200345A1 (en) | Method, apparatus and system for encoding and decoding the significance map residual coefficients of a transform unit | |
| SG10201608613QA (en) | Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information | |
| ZA201406064B (en) | System and method for mixed codebook excitation for speech coding | |
| EP2937861A4 (en) | PREDICTION METHOD AND ENCODING / DECODING DEVICE FOR HIGH FREQUENCY BANDWIDTH SIGNAL | |
| SG11201503286UA (en) | Audio signal encoding and decoding method, and audio signal encoding and decoding apparatus | |
| DK2919231T3 (da) | Fremgangsmåde til signaldekodning. | |
| BR112016008544A2 (pt) | Codificador para codificar e decodificador para decodificar um sinal de áudio, método para codificar e método para decodificar um sinal de áudio | |
| PL3046104T3 (pl) | Sposób kodowania sygnału oraz sposób dekodowania sygnału | |
| EP3023984A4 (en) | Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal | |
| GB2498225B (en) | Method and device for encoding or decoding information representing prediction modes | |
| ZA201600080B (en) | Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding | |
| HK40099492A (zh) | 用於处理编码音频比特流的系统和方法、计算机可读介质 | |
| TH1501004234A (th) | ตัวถอดรหัสสำหรับการสร้างสัญญาณเสียงที่ได้รับการปรับปรุงความถี่ วิธีการของการ ถอดรหัสตัวเข้ารหัสสำหรับการสร้างสัญญาณที่ได้รับการเข้ารหัส และวิธีการของการ เข้ารหัสที่ใช้สารสนเทศข้างเคียงการเลือกบีบอัด |