JP6006400B2 - 信号符号化の方法および装置 - Google Patents
信号符号化の方法および装置 Download PDFInfo
- Publication number
- JP6006400B2 JP6006400B2 JP2015502053A JP2015502053A JP6006400B2 JP 6006400 B2 JP6006400 B2 JP 6006400B2 JP 2015502053 A JP2015502053 A JP 2015502053A JP 2015502053 A JP2015502053 A JP 2015502053A JP 6006400 B2 JP6006400 B2 JP 6006400B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency domain
- domain signal
- signal
- bits
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 80
- 230000003044 adaptive effect Effects 0.000 description 46
- 238000004458 analytical method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 230000009466 transformation Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
-
- 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
-
- 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
-
- 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
-
- 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
- G10L19/032—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
- G10L19/06—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
- G10L19/16—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Description
本願は、発明の名称を「信号符号化および復号化の方法および装置」とした2012年3月29日に中国国家知的産権局に出願された中国特許出願第201210087702.9号に対する優先権を主張し、引用によりその全体を本明細書に取り込む。
良好な符号化効果が達成される。
520 入出力インタフェース
530 符号化装置/復号化装置
540 メモリ
600 装置
610 周波数領域変換ユニット
620 ビット割当てユニット
630 ビット調整ユニット
640 周波数領域符号化ユニット
700 装置
711 時間領域分析
712 周波数領域変換ユニット
720 ビット割当てユニット
730 ビット調整ユニット
740 周波数領域符号化ユニット
750 時間領域符号化
760 ビット多重化
800 装置
810 復号化ユニット
820 拡張ユニット
830 出力ユニット
910 復号化ユニット
911 逆多重化ユニット
912 周波数領域復号化ユニット
913 時間領域復号化ユニット
914 周波数領域変換ユニット
915 合成ユニット
Claims (9)
- 入力信号に従って周波数領域信号を取得するステップと、
所定の割当て規則に従って所定のビットを前記周波数領域信号に割り当てるステップと、
ビットが割り当てられる前記周波数領域信号の最高周波数が所定値より大きいときに前記周波数領域信号に対する前記ビット割当てを調節するステップと、
前記周波数領域信号に対する前記ビット割当てに従って前記周波数領域信号を符号化するステップと、
を含み、
前記周波数領域信号に対する前記ビット割当てを調節するステップは、前記周波数領域信号においてより多くのビットが割り当てられる周波数帯に割り当てられるビットの数を減らすステップと、ビットが割り当てられる最高周波数に割り当てられるビットと前記最高周波数付近の周波数領域信号に割り当てられるビットの数を増加させるステップとを含み、前記周波数領域信号においてより多くのビットが割り当てられる前記周波数帯は低周波数帯である、信号符号化方法。 - 前記所定値は前記所定のビットの数と前記周波数領域信号の解像度に従って決まる、請求項1に記載の方法。
- 前記所定の割当て規則は、前記所定のビットにおけるより多くのビットが前記周波数領域信号における低周波数帯信号に割り当てられ、前記所定のビットにおける残りのビットが、前記低周波数帯信号を除いてより大きなエネルギの周波数帯に割り当てられるというものである、請求項1または2に記載の方法。
- 前記最高周波数が前記所定値を下回る場合には、前記所定の割当て規則に従って実施される前記周波数領域信号に対する前記ビット割当てを維持するステップをさらに含む、請求項1乃至3の何れか1項に記載の方法。
- 入力信号に従って周波数領域信号を取得するように構成された周波数領域変換ユニットと、
所定の割当て規則に従って所定のビットを前記周波数領域信号に割り当てるように構成されたビット割当てユニットと、
ビットが割り当てられる前記周波数領域信号の最高周波数が所定値以上であるとき、前記周波数領域信号に対する前記ビット割当てを調節するように構成されたビット調整ユニットと、
前記周波数領域信号に対する前記ビット割当てに従って前記周波数領域信号を符号化するように構成された周波数領域符号化ユニットと、
を備え、
前記周波数領域信号においてより多くのビットが割り当てられる周波数帯に割り当てられるビットの数を減らすステップと、ビットが割り当てられる最高周波数に割り当てられるビットと前記最高周波数付近の周波数領域信号に割り当てられるビットの数を増加させるステップにより、前記ビット調整ユニットが前記周波数領域信号に対する前記ビット割当てを調節するように構成され、前記周波数領域信号においてより多くのビットが割り当てられる前記周波数帯は低周波数帯である、信号符号化装置。 - 前記所定値は前記所定のビットの数と前記周波数領域信号の解像度に従って決まる、請求項5に記載の装置。
- 前記所定の割当て規則は、前記所定のビットにおけるより多くのビットが前記周波数領域信号における低周波数帯信号に割り当てられ、前記所定のビットにおける残りのビットが、前記低周波数帯信号を除いてより大きなエネルギの周波数帯に割り当てられるというものである、請求項5または6に記載の装置。
- 前記最高周波数が前記所定値を下回るとき、前記ビット調整ユニットは前記周波数領域信号に対する前記ビット割当てを調節しないように構成され、前記周波数領域符号化ユニットは、前記ビット割当てユニットにより実施された前記ビット割当てに従って前記周波数領域信号を符号化する、請求項5乃至7の何れか1項に記載の装置。
- プログラムを記録したコンピュータ可読記憶媒体であって、前記プログラムはコンピュータに請求項1乃至4の何れか1項に記載の方法を実行させる、コンピュータ可読記憶媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210087702.9A CN103368682B (zh) | 2012-03-29 | 2012-03-29 | 信号编码和解码的方法和设备 |
CN201210087702.9 | 2012-03-29 | ||
PCT/CN2012/075924 WO2013143221A1 (zh) | 2012-03-29 | 2012-05-23 | 信号编码和解码的方法和设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016175647A Division JP6323881B2 (ja) | 2012-03-29 | 2016-09-08 | 信号符号化および復号化の方法および装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015517119A JP2015517119A (ja) | 2015-06-18 |
JP6006400B2 true JP6006400B2 (ja) | 2016-10-12 |
Family
ID=49258139
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015502053A Active JP6006400B2 (ja) | 2012-03-29 | 2012-05-23 | 信号符号化の方法および装置 |
JP2016175647A Active JP6323881B2 (ja) | 2012-03-29 | 2016-09-08 | 信号符号化および復号化の方法および装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016175647A Active JP6323881B2 (ja) | 2012-03-29 | 2016-09-08 | 信号符号化および復号化の方法および装置 |
Country Status (15)
Country | Link |
---|---|
US (4) | US9537694B2 (ja) |
EP (3) | EP2809009B1 (ja) |
JP (2) | JP6006400B2 (ja) |
KR (1) | KR101621641B1 (ja) |
CN (3) | CN106409299B (ja) |
BR (1) | BR112014023577B8 (ja) |
CA (2) | CA2866202C (ja) |
ES (3) | ES2770831T3 (ja) |
MX (1) | MX339652B (ja) |
PL (1) | PL3664085T3 (ja) |
PT (1) | PT3249645T (ja) |
RU (1) | RU2592412C2 (ja) |
SG (2) | SG10201701275XA (ja) |
WO (1) | WO2013143221A1 (ja) |
ZA (1) | ZA201406424B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10916317B2 (en) | 2010-08-20 | 2021-02-09 | Attopsemi Technology Co., Ltd | Programmable resistance memory on thin film transistor technology |
US10923204B2 (en) | 2010-08-20 | 2021-02-16 | Attopsemi Technology Co., Ltd | Fully testible OTP memory |
US9818478B2 (en) | 2012-12-07 | 2017-11-14 | Attopsemi Technology Co., Ltd | Programmable resistive device and memory using diode as selector |
US10586832B2 (en) | 2011-02-14 | 2020-03-10 | Attopsemi Technology Co., Ltd | One-time programmable devices using gate-all-around structures |
CN106409299B (zh) | 2012-03-29 | 2019-11-05 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
CN105374363B (zh) * | 2014-08-25 | 2019-06-04 | 广东美的集团芜湖制冷设备有限公司 | 音频信号编码方法和*** |
US11615859B2 (en) | 2017-04-14 | 2023-03-28 | Attopsemi Technology Co., Ltd | One-time programmable memories with ultra-low power read operation and novel sensing scheme |
US11062786B2 (en) | 2017-04-14 | 2021-07-13 | Attopsemi Technology Co., Ltd | One-time programmable memories with low power read operation and novel sensing scheme |
US10726914B2 (en) | 2017-04-14 | 2020-07-28 | Attopsemi Technology Co. Ltd | Programmable resistive memories with low power read operation and novel sensing scheme |
US10535413B2 (en) | 2017-04-14 | 2020-01-14 | Attopsemi Technology Co., Ltd | Low power read operation for programmable resistive memories |
JP6934648B2 (ja) * | 2017-07-03 | 2021-09-15 | 東日本旅客鉄道株式会社 | トロリ線曲げ工具 |
EP3701523B1 (en) | 2017-10-27 | 2021-10-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise attenuation at a decoder |
US10770160B2 (en) | 2017-11-30 | 2020-09-08 | Attopsemi Technology Co., Ltd | Programmable resistive memory formed by bit slices from a standard cell library |
CN118053437A (zh) * | 2022-11-17 | 2024-05-17 | 抖音视界有限公司 | 音频编码方法、解码方法、装置、设备及存储介质 |
Family Cites Families (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517511A (en) * | 1992-11-30 | 1996-05-14 | Digital Voice Systems, Inc. | Digital transmission of acoustic signals over a noisy communication channel |
JP3131542B2 (ja) * | 1993-11-25 | 2001-02-05 | シャープ株式会社 | 符号化復号化装置 |
KR970011727B1 (en) | 1994-11-09 | 1997-07-14 | Daewoo Electronics Co Ltd | Apparatus for encoding of the audio signal |
JP3521596B2 (ja) | 1996-01-30 | 2004-04-19 | ソニー株式会社 | 信号符号化方法 |
JP3519859B2 (ja) * | 1996-03-26 | 2004-04-19 | 三菱電機株式会社 | 符号器及び復号器 |
FI970553A (fi) | 1997-02-07 | 1998-08-08 | Nokia Mobile Phones Ltd | Audiokoodausmenetelmä ja -laite |
US6356211B1 (en) | 1997-05-13 | 2002-03-12 | Sony Corporation | Encoding method and apparatus and recording medium |
KR100335609B1 (ko) * | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
KR100304092B1 (ko) * | 1998-03-11 | 2001-09-26 | 마츠시타 덴끼 산교 가부시키가이샤 | 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치 |
US6226616B1 (en) | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
US6621935B1 (en) * | 1999-12-03 | 2003-09-16 | Microsoft Corporation | System and method for robust image representation over error-prone channels |
JP2001255882A (ja) | 2000-03-09 | 2001-09-21 | Sony Corp | 音声信号処理装置及びその信号処理方法 |
SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
ES2260426T3 (es) | 2001-05-08 | 2006-11-01 | Koninklijke Philips Electronics N.V. | Codificacion de audio. |
US7333929B1 (en) * | 2001-09-13 | 2008-02-19 | Chmounk Dmitri V | Modular scalable compressed audio data stream |
CN1127054C (zh) * | 2001-11-02 | 2003-11-05 | 北京阜国数字技术有限公司 | 用于知觉音频编码的信号处理方法 |
US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
DE10328777A1 (de) * | 2003-06-25 | 2005-01-27 | Coding Technologies Ab | Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals |
US7349842B2 (en) * | 2003-09-29 | 2008-03-25 | Sony Corporation | Rate-distortion control scheme in audio encoding |
US7672838B1 (en) * | 2003-12-01 | 2010-03-02 | The Trustees Of Columbia University In The City Of New York | Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals |
US7586924B2 (en) * | 2004-02-27 | 2009-09-08 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding an information signal into a data stream, converting the data stream and decoding the data stream |
WO2005096273A1 (fr) * | 2004-04-01 | 2005-10-13 | Beijing Media Works Co., Ltd | Ameliorations apportees a un procede et un dispositif de codage/decodage audio |
KR100723400B1 (ko) | 2004-05-12 | 2007-05-30 | 삼성전자주식회사 | 복수의 룩업테이블을 이용한 디지털 신호 부호화 방법 및장치 |
WO2006030754A1 (ja) * | 2004-09-17 | 2006-03-23 | Matsushita Electric Industrial Co., Ltd. | オーディオ符号化装置、復号化装置、方法、及びプログラム |
RU2404506C2 (ru) | 2004-11-05 | 2010-11-20 | Панасоник Корпорэйшн | Устройство масштабируемого декодирования и устройство масштабируемого кодирования |
DE602006015294D1 (de) * | 2005-03-30 | 2010-08-19 | Dolby Int Ab | Mehrkanal-audiocodierung |
CN101288117B (zh) * | 2005-10-12 | 2014-07-16 | 三星电子株式会社 | 对音频数据和扩展数据进行编码/解码的方法和设备 |
JP2007149151A (ja) * | 2005-11-24 | 2007-06-14 | Funai Electric Co Ltd | 光ディスク再生装置、音声信号出力装置及びavシステム |
KR101237413B1 (ko) | 2005-12-07 | 2013-02-26 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치 |
KR20080101872A (ko) * | 2006-01-18 | 2008-11-21 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
JP2007264154A (ja) | 2006-03-28 | 2007-10-11 | Sony Corp | オーディオ信号符号化方法、オーディオ信号符号化方法のプログラム、オーディオ信号符号化方法のプログラムを記録した記録媒体及びオーディオ信号符号化装置 |
ATE405923T1 (de) * | 2006-04-24 | 2008-09-15 | Nero Ag | Erweiterte vorrichtung zur kodierung digitaler audiodaten |
KR20070115637A (ko) * | 2006-06-03 | 2007-12-06 | 삼성전자주식회사 | 대역폭 확장 부호화 및 복호화 방법 및 장치 |
JP4396683B2 (ja) | 2006-10-02 | 2010-01-13 | カシオ計算機株式会社 | 音声符号化装置、音声符号化方法、及び、プログラム |
KR101565919B1 (ko) * | 2006-11-17 | 2015-11-05 | 삼성전자주식회사 | 고주파수 신호 부호화 및 복호화 방법 및 장치 |
RU2394283C1 (ru) * | 2007-02-14 | 2010-07-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов |
WO2009029037A1 (en) * | 2007-08-27 | 2009-03-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive transition frequency between noise fill and bandwidth extension |
KR100970446B1 (ko) | 2007-11-21 | 2010-07-16 | 한국전자통신연구원 | 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법 |
CN101436407B (zh) | 2008-12-22 | 2011-08-24 | 西安电子科技大学 | 音频编解码方法 |
PL4145446T3 (pl) * | 2009-01-16 | 2024-04-08 | Dolby International Ab | Transpozycja harmonicznych rozszerzona o iloczyn wektorowy |
CN101494054B (zh) * | 2009-02-09 | 2012-02-15 | 华为终端有限公司 | 一种音频码率控制方法及*** |
ES2400661T3 (es) * | 2009-06-29 | 2013-04-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de extensión de ancho de banda |
CN101958119B (zh) * | 2009-07-16 | 2012-02-29 | 中兴通讯股份有限公司 | 一种改进的离散余弦变换域音频丢帧补偿器和补偿方法 |
PL2491554T3 (pl) | 2009-10-20 | 2014-08-29 | Fraunhofer Ges Forschung | Koder audio, dekoder audio, sposób kodowania informacji audio, sposób dekodowania informacji audio i program komputerowy wykorzystujący zasadę mapowania arytmetycznego kodowania zależnej od obszaru |
CN102081927B (zh) * | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及*** |
JP5624159B2 (ja) * | 2010-01-12 | 2014-11-12 | 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. | オーディオ符号化器、オーディオ復号器、オーディオ情報を符号化および復号するための方法、ならびに以前に復号されたスペクトル値のノルムに基づいてコンテキストサブ領域値を取得するコンピュータプログラム |
US8751225B2 (en) * | 2010-05-12 | 2014-06-10 | Electronics And Telecommunications Research Institute | Apparatus and method for coding signal in a communication system |
US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
CN102208188B (zh) | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
CN106409299B (zh) | 2012-03-29 | 2019-11-05 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
-
2012
- 2012-03-29 CN CN201610881546.1A patent/CN106409299B/zh active Active
- 2012-03-29 CN CN201910973689.9A patent/CN110706715B/zh active Active
- 2012-03-29 CN CN201210087702.9A patent/CN103368682B/zh active Active
- 2012-05-23 SG SG10201701275XA patent/SG10201701275XA/en unknown
- 2012-05-23 KR KR1020147026193A patent/KR101621641B1/ko active IP Right Grant
- 2012-05-23 ES ES17160983T patent/ES2770831T3/es active Active
- 2012-05-23 MX MX2014011605A patent/MX339652B/es active IP Right Grant
- 2012-05-23 JP JP2015502053A patent/JP6006400B2/ja active Active
- 2012-05-23 CA CA2866202A patent/CA2866202C/en active Active
- 2012-05-23 EP EP12873219.5A patent/EP2809009B1/en active Active
- 2012-05-23 ES ES19191869T patent/ES2927563T3/es active Active
- 2012-05-23 RU RU2014142255/08A patent/RU2592412C2/ru active
- 2012-05-23 PL PL19191869.7T patent/PL3664085T3/pl unknown
- 2012-05-23 WO PCT/CN2012/075924 patent/WO2013143221A1/zh active Application Filing
- 2012-05-23 BR BR112014023577A patent/BR112014023577B8/pt active Search and Examination
- 2012-05-23 EP EP17160983.7A patent/EP3249645B1/en active Active
- 2012-05-23 SG SG11201405216SA patent/SG11201405216SA/en unknown
- 2012-05-23 CA CA2994705A patent/CA2994705C/en active Active
- 2012-05-23 EP EP19191869.7A patent/EP3664085B1/en active Active
- 2012-05-23 ES ES12873219.5T patent/ES2655832T3/es active Active
- 2012-05-23 PT PT171609837T patent/PT3249645T/pt unknown
-
2014
- 2014-09-01 ZA ZA2014/06424A patent/ZA201406424B/en unknown
- 2014-09-25 US US14/496,986 patent/US9537694B2/en active Active
-
2016
- 2016-09-08 JP JP2016175647A patent/JP6323881B2/ja active Active
- 2016-11-22 US US15/358,649 patent/US9786293B2/en active Active
-
2017
- 2017-08-23 US US15/684,079 patent/US9899033B2/en active Active
-
2018
- 2018-01-08 US US15/864,147 patent/US10600430B2/en active Active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6323881B2 (ja) | 信号符号化および復号化の方法および装置 | |
ES2706148T3 (es) | Dispositivo de codificación de audio vocal, dispositivo de decodificación de audio vocal, procedimiento de codificación de audio vocal, y procedimiento de decodificación de audio vocal | |
JP6574820B2 (ja) | 高周波帯域信号を予測するための方法、符号化デバイス、および復号デバイス | |
CA2958429C (en) | Audio signal coding apparatus, audio signal decoding apparatus, audio signal coding method, and audio signal decoding method | |
EP3525206B1 (en) | Encoding method and apparatus | |
KR101736705B1 (ko) | 오디오 신호를 위한 비트 할당 방법 및 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150909 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150915 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151215 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20151215 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160517 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160708 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160809 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160908 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6006400 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |