JP2013080252A - 正弦波符号化 - Google Patents
正弦波符号化 Download PDFInfo
- Publication number
- JP2013080252A JP2013080252A JP2012283301A JP2012283301A JP2013080252A JP 2013080252 A JP2013080252 A JP 2013080252A JP 2012283301 A JP2012283301 A JP 2012283301A JP 2012283301 A JP2012283301 A JP 2012283301A JP 2013080252 A JP2013080252 A JP 2013080252A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- phase jitter
- sinusoidal
- sine wave
- parameter
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 14
- 230000005236 sound signal Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- G10L19/005—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
Abstract
【解決手段】信号の符号化が供給され、ここで、この信号における少なくとも1つの正弦波成分の周波数及び振幅情報が決定され、これら周波数及び振幅情報を表す正弦波パラメータが送信され、更に、送信された正弦波パラメータから正弦波成分を復元する間に追加されるべき位相ジッタの量を表す位相ジッタパラメータが送信される。
【選択図】図1
Description
Claims (10)
- 信号を符号化する方法であって、
前記信号における少なくとも1つの正弦波成分の周波数及び振幅情報を決定するステップと、
前記周波数及び振幅情報を表す正弦波パラメータを送信するステップと、
送信された正弦波パラメータから前記正弦波成分を復元する間に加えられるべき位相ジッタの量を表す位相ジッタパラメータを送信するステップとを有する、方法。 - 前記位相ジッタパラメータは、トラックの最初のインスタンスにおいて前記正弦波パラメータとほぼ一緒に送信される、請求項1に記載の方法。
- 位相ジッタパラメータは、正弦波成分の所与のグループに対して送信され、これらの正弦波成分は、高次的に関係する周波数を有する、請求項1に記載の方法。
- 前記正弦波成分の位相と予測された位相との間の差を決定するステップであって、当該予測された位相は、前記送信された正弦波パラメータと位相の連続性の条件とから計算される、ステップと、
前記差から前記位相ジッタパラメータを導出するステップとを有する、請求項1に記載の方法。 - 符号化された信号を復号する方法であって、
少なくとも1つの正弦波成分の周波数及び振幅情報を表す正弦波パラメータを受信するステップと、
前記正弦波パラメータから前記少なくとも1つの正弦波成分を復元するステップと、
位相ジッタパラメータを受信するステップと、
位相ジッタの量を前記正弦波成分に加えステップとを有し、
前記位相ジッタの量は、前記位相ジッタパラメータから導出される、方法。 - 信号における少なくとも1つの正弦波成分の周波数及び振幅情報を決定する手段と、
前記周波数及び振幅情報を表す正弦波パラメータを送信する手段と、
送信された正弦波パラメータから前記正弦波成分を復元する間に加えられるべき位相ジッタの量を表す位相ジッタパラメータを送信する手段とを有する、音声符号器。 - 少なくとも1つの正弦波成分の周波数及び振幅情報を表す正弦波パラメータを受信する手段と、
前記正弦波パラメータから前記少なくとも1つの正弦波成分を復元する手段と、
位相ジッタパラメータを受信する手段と、
位相ジッタの量を前記正弦波成分に加える手段とを有し、
前記位相ジッタの量は、前記位相ジッタパラメータから導出される、オーディオプレーヤ。 - 請求項6に記載の音声符号器と請求項7に記載のオーディオプレーヤとを有する、オーディオシステム。
- 少なくとも1つの正弦波成分の周波数及び振幅情報を表す正弦波パラメータを有し、更に前記正弦波パラメータから前記正弦波成分を復元する間に加えられるべき位相ジッタの量を表す位相ジッタパラメータを有する符号化された信号。
- 請求項9に記載の符号化された信号が記憶されている記憶媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00202144 | 2000-06-20 | ||
EP00202144.2 | 2000-06-20 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002503861A Division JP5485488B2 (ja) | 2000-06-20 | 2001-06-14 | 正弦波符号化 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013080252A true JP2013080252A (ja) | 2013-05-02 |
JP5792710B2 JP5792710B2 (ja) | 2015-10-14 |
Family
ID=8171658
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002503861A Expired - Lifetime JP5485488B2 (ja) | 2000-06-20 | 2001-06-14 | 正弦波符号化 |
JP2012283301A Expired - Lifetime JP5792710B2 (ja) | 2000-06-20 | 2012-12-26 | 正弦波符号化 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002503861A Expired - Lifetime JP5485488B2 (ja) | 2000-06-20 | 2001-06-14 | 正弦波符号化 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7739106B2 (ja) |
EP (1) | EP1203369B1 (ja) |
JP (2) | JP5485488B2 (ja) |
KR (1) | KR100861884B1 (ja) |
CN (1) | CN1193347C (ja) |
AT (1) | ATE303646T1 (ja) |
DE (1) | DE60113034T2 (ja) |
WO (1) | WO2001099097A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL376257A1 (en) * | 2002-10-17 | 2005-12-27 | Koninklijke Philips Electronics N.V. | Sinusoidal audio coding with phase updates |
AU2003274617A1 (en) * | 2002-11-29 | 2004-06-23 | Koninklijke Philips Electronics N.V. | Audio coding |
EP1576583A2 (en) * | 2002-12-19 | 2005-09-21 | Koninklijke Philips Electronics N.V. | Sinusoid selection in audio encoding |
AU2003276636A1 (en) * | 2002-12-19 | 2004-07-14 | Koninklijke Philips Electronics N.V. | Sinusoid selection in audio encoding |
WO2005008628A1 (en) * | 2003-07-18 | 2005-01-27 | Koninklijke Philips Electronics N.V. | Low bit-rate audio encoding |
WO2005024783A1 (en) * | 2003-09-05 | 2005-03-17 | Koninklijke Philips Electronics N.V. | Low bit-rate audio encoding |
WO2005036529A1 (en) * | 2003-10-13 | 2005-04-21 | Koninklijke Philips Electronics N.V. | Audio encoding |
WO2007007253A1 (en) * | 2005-07-14 | 2007-01-18 | Koninklijke Philips Electronics N.V. | Audio signal synthesis |
FR2897212A1 (fr) * | 2006-02-09 | 2007-08-10 | France Telecom | Procede de codage d'un signal audio source, dispositif de codage, procede de decodage, signal, support de donnees, produits programme d'ordinateur correspondants |
KR101299155B1 (ko) * | 2006-12-29 | 2013-08-22 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 |
KR101080421B1 (ko) * | 2007-03-16 | 2011-11-04 | 삼성전자주식회사 | 정현파 오디오 코딩 방법 및 장치 |
US9872066B2 (en) * | 2007-12-18 | 2018-01-16 | Ibiquity Digital Corporation | Method for streaming through a data service over a radio link subsystem |
US8620660B2 (en) * | 2010-10-29 | 2013-12-31 | The United States Of America, As Represented By The Secretary Of The Navy | Very low bit rate signal coder and decoder |
WO2013048171A2 (ko) * | 2011-09-28 | 2013-04-04 | 엘지전자 주식회사 | 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치 |
GB201401566D0 (en) * | 2014-01-30 | 2014-03-19 | Smiths Medical Int Ltd | Respiratory therapy systems, sensors and methods |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01221800A (ja) * | 1987-04-02 | 1989-09-05 | Massachusetts Inst Of Technol <Mit> | 音響波形のコード化方式 |
US5664051A (en) * | 1990-09-24 | 1997-09-02 | Digital Voice Systems, Inc. | Method and apparatus for phase synthesis for speech processing |
WO1999003095A1 (en) * | 1997-07-11 | 1999-01-21 | Koninklijke Philips Electronics N.V. | Transmitter with an improved harmonic speech encoder |
JPH11224099A (ja) * | 1998-02-06 | 1999-08-17 | Sony Corp | 位相量子化装置及び方法 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3754101A (en) * | 1971-07-02 | 1973-08-21 | Universal Signal Corp | Frequency rate communication system |
US4271499A (en) * | 1978-07-12 | 1981-06-02 | H.F. Communications Corporation | Method and apparatus for digitally implementing a linked compressor-expander telecommunications system |
US4523311A (en) * | 1983-04-11 | 1985-06-11 | At&T Bell Laboratories | Simultaneous transmission of speech and data over an analog channel |
DE3422828A1 (de) * | 1984-06-20 | 1986-01-02 | Robert Bosch Gmbh, 7000 Stuttgart | Datenempfaenger fuer aufgezeichnete daten |
DE3478250D1 (en) * | 1984-06-29 | 1989-06-22 | Ibm | Method and device for measuring phase-jitter of a transmission canal |
US4682343A (en) * | 1984-09-11 | 1987-07-21 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Processing circuit with asymmetry corrector and convolutional encoder for digital data |
US4789948A (en) * | 1985-09-13 | 1988-12-06 | Hughes Aircraft Company | Method and apparatus for determining communications link quality and receiver tracking performance |
US4771465A (en) * | 1986-09-11 | 1988-09-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech sinusoidal vocoder with transmission of only subset of harmonics |
US5054072A (en) | 1987-04-02 | 1991-10-01 | Massachusetts Institute Of Technology | Coding of acoustic waveforms |
US5226108A (en) * | 1990-09-20 | 1993-07-06 | Digital Voice Systems, Inc. | Processing a speech signal with estimated pitch |
US5216747A (en) * | 1990-09-20 | 1993-06-01 | Digital Voice Systems, Inc. | Voiced/unvoiced estimation of an acoustic signal |
US5226084A (en) * | 1990-12-05 | 1993-07-06 | Digital Voice Systems, Inc. | Methods for speech quantization and error correction |
US5765127A (en) | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
FR2711435B1 (fr) * | 1993-10-20 | 1995-12-29 | Cit Alcatel | Dispositif pour justifier à intervalles réguliers un train numérique. |
US5404377A (en) * | 1994-04-08 | 1995-04-04 | Moses; Donald W. | Simultaneous transmission of data and audio signals by means of perceptual coding |
US5787387A (en) * | 1994-07-11 | 1998-07-28 | Voxware, Inc. | Harmonic adaptive speech coding method and system |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
US6490562B1 (en) * | 1997-04-09 | 2002-12-03 | Matsushita Electric Industrial Co., Ltd. | Method and system for analyzing voices |
WO1999010719A1 (en) * | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
US6219635B1 (en) * | 1997-11-25 | 2001-04-17 | Douglas L. Coulter | Instantaneous detection of human speech pitch pulses |
US6430243B1 (en) * | 1998-05-18 | 2002-08-06 | Sarnoff Corporation | Symbol sign directed phase detector |
US6081776A (en) * | 1998-07-13 | 2000-06-27 | Lockheed Martin Corp. | Speech coding system and method including adaptive finite impulse response filter |
US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
US6661848B1 (en) * | 1998-09-25 | 2003-12-09 | Intel Corporation | Integrated audio and modem device |
US6311154B1 (en) * | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
US6453287B1 (en) * | 1999-02-04 | 2002-09-17 | Georgia-Tech Research Corporation | Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders |
US7423983B1 (en) * | 1999-09-20 | 2008-09-09 | Broadcom Corporation | Voice and data exchange over a packet based network |
US6549587B1 (en) * | 1999-09-20 | 2003-04-15 | Broadcom Corporation | Voice and data exchange over a packet based network with timing recovery |
US7222070B1 (en) * | 1999-09-22 | 2007-05-22 | Texas Instruments Incorporated | Hybrid speech coding and system |
-
2001
- 2001-06-14 AT AT01953981T patent/ATE303646T1/de not_active IP Right Cessation
- 2001-06-14 KR KR1020027002127A patent/KR100861884B1/ko active IP Right Grant
- 2001-06-14 JP JP2002503861A patent/JP5485488B2/ja not_active Expired - Lifetime
- 2001-06-14 DE DE60113034T patent/DE60113034T2/de not_active Expired - Lifetime
- 2001-06-14 WO PCT/EP2001/006758 patent/WO2001099097A1/en active IP Right Grant
- 2001-06-14 EP EP01953981A patent/EP1203369B1/en not_active Expired - Lifetime
- 2001-06-14 CN CNB018017274A patent/CN1193347C/zh not_active Expired - Lifetime
- 2001-06-20 US US09/885,707 patent/US7739106B2/en active Active
-
2012
- 2012-12-26 JP JP2012283301A patent/JP5792710B2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01221800A (ja) * | 1987-04-02 | 1989-09-05 | Massachusetts Inst Of Technol <Mit> | 音響波形のコード化方式 |
US5664051A (en) * | 1990-09-24 | 1997-09-02 | Digital Voice Systems, Inc. | Method and apparatus for phase synthesis for speech processing |
WO1999003095A1 (en) * | 1997-07-11 | 1999-01-21 | Koninklijke Philips Electronics N.V. | Transmitter with an improved harmonic speech encoder |
JPH11224099A (ja) * | 1998-02-06 | 1999-08-17 | Sony Corp | 位相量子化装置及び方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1193347C (zh) | 2005-03-16 |
JP5485488B2 (ja) | 2014-05-07 |
US7739106B2 (en) | 2010-06-15 |
CN1383546A (zh) | 2002-12-04 |
JP2003536112A (ja) | 2003-12-02 |
KR20020027557A (ko) | 2002-04-13 |
WO2001099097A1 (en) | 2001-12-27 |
EP1203369B1 (en) | 2005-08-31 |
DE60113034D1 (de) | 2005-10-06 |
JP5792710B2 (ja) | 2015-10-14 |
DE60113034T2 (de) | 2006-06-14 |
KR100861884B1 (ko) | 2008-10-09 |
EP1203369A1 (en) | 2002-05-08 |
ATE303646T1 (de) | 2005-09-15 |
US20020007268A1 (en) | 2002-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5792710B2 (ja) | 正弦波符号化 | |
JP3646938B1 (ja) | オーディオ復号化装置およびオーディオ復号化方法 | |
JP4391088B2 (ja) | 部分暗号化を用いるオーディオ符号化 | |
KR100388388B1 (ko) | 재생위상정보를사용하는음성합성방법및장치 | |
US9008306B2 (en) | Adaptive and progressive audio stream scrambling | |
WO2003010752A1 (en) | Speech bandwidth extension apparatus and speech bandwidth extension method | |
KR20020002241A (ko) | 디지털 오디오장치 | |
JPH01155400A (ja) | 音声符号化方式 | |
CA2452022C (en) | Apparatus and method for changing the playback rate of recorded speech | |
JP4359499B2 (ja) | オーディオ信号の編集 | |
US20060009967A1 (en) | Sinusoidal audio coding with phase updates | |
KR20080084043A (ko) | 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치 | |
JP2005532585A (ja) | オーディオコーディング | |
Tosun et al. | Dynamically adding redundancy for improved error concealment in packet voice coding | |
JP2002268700A (ja) | 音響情報符号化装置及び復号装置及び方法及びコンピュータプログラム及び記憶媒体 | |
JPS62285541A (ja) | ボコ−ダ方式の音声デイジタル伝送における誤り制御方法 | |
JPH01197793A (ja) | 音声合成装置 | |
JPS60102699A (ja) | 音声分析合成装置 | |
JPS62278600A (ja) | 可変長フレ−ム型符号復号化装置の同期方法 | |
JP2000330592A (ja) | 圧縮音響ストリーム内データ追加方法およびその装置 | |
MX2007015190A (en) | Robust decoder | |
KR20050017088A (ko) | 사인 곡선 오디오 부호화 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130125 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130125 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130604 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130902 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130905 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131202 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20140320 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140718 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20140729 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20140926 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150625 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150806 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5792710 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 |
|
EXPY | Cancellation because of completion of term |