JP5256196B2 - He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置及び方法 - Google Patents
He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置及び方法 Download PDFInfo
- Publication number
- JP5256196B2 JP5256196B2 JP2009517995A JP2009517995A JP5256196B2 JP 5256196 B2 JP5256196 B2 JP 5256196B2 JP 2009517995 A JP2009517995 A JP 2009517995A JP 2009517995 A JP2009517995 A JP 2009517995A JP 5256196 B2 JP5256196 B2 JP 5256196B2
- Authority
- JP
- Japan
- Prior art keywords
- qmf
- decoder
- signal
- mpeg surround
- delay
- 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.)
- Expired - Fee Related
Links
- 230000005236 sound signal Effects 0.000 title claims description 37
- 238000000034 method Methods 0.000 title description 28
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 description 19
- 238000003786 synthesis reaction Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 10
- 230000003111 delayed effect Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
-
- 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
-
- 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
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)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Description
Claims (1)
- 実数QMF領域、複素数QMF領域、及び時間領域のうち、少なくとも1つのダウンミックス信号及び付加情報ビットストリームを用いてマルチチャネルオーディオ信号を生成する高品質モードMPEGサラウンドデコーダであって、
前記時間領域のダウンミックス信号が前記マルチチャネルオーディオ信号の生成に用いられる場合に、前記時間領域のダウンミックス信号をQMF解析するQMF解析部と、
該QMF解析部の出力信号または前記複素数QMF領域のダウンミックス信号に低電力モードMPEGサラウンドデコーダの実数−複素数の変換において導入される遅延を適用する遅延部と、
該遅延部の出力信号及びQMF残余入力信号にナイキスト解析を行うナイキスト解析部と、
を備えたことを特徴とする高品質モードMPEGサラウンドデコーダ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0062609 | 2006-07-04 | ||
KR20060062609 | 2006-07-04 | ||
KR20060065948 | 2006-07-13 | ||
KR10-2006-0065948 | 2006-07-13 | ||
PCT/KR2007/003247 WO2008004812A1 (en) | 2006-07-04 | 2007-07-04 | Apparatus and method for restoring multi-channel audio signal using he-aac decoder and mpeg surround decoder |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012087315A Division JP5508464B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置 |
JP2012087303A Division JP5351302B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009543115A JP2009543115A (ja) | 2009-12-03 |
JP5256196B2 true JP5256196B2 (ja) | 2013-08-07 |
Family
ID=38894740
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009517995A Expired - Fee Related JP5256196B2 (ja) | 2006-07-04 | 2007-07-04 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置及び方法 |
JP2012087303A Expired - Fee Related JP5351302B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 |
JP2012087315A Active JP5508464B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012087303A Expired - Fee Related JP5351302B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 |
JP2012087315A Active JP5508464B2 (ja) | 2006-07-04 | 2012-04-06 | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置 |
Country Status (7)
Country | Link |
---|---|
US (3) | US8611547B2 (ja) |
EP (4) | EP2041742B1 (ja) |
JP (3) | JP5256196B2 (ja) |
KR (3) | KR100931309B1 (ja) |
CN (3) | CN102394063B (ja) |
ES (2) | ES2438176T3 (ja) |
WO (1) | WO2008004812A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012155332A (ja) * | 2006-07-04 | 2012-08-16 | Korea Electronics Telecommun | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2717261A1 (en) | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding |
CN117253498A (zh) | 2013-04-05 | 2023-12-19 | 杜比国际公司 | 音频信号的解码方法和解码器、介质以及编码方法 |
WO2014171791A1 (ko) | 2013-04-19 | 2014-10-23 | 한국전자통신연구원 | 다채널 오디오 신호 처리 장치 및 방법 |
US9319819B2 (en) * | 2013-07-25 | 2016-04-19 | Etri | Binaural rendering method and apparatus for decoding multi channel audio |
JP6299202B2 (ja) * | 2013-12-16 | 2018-03-28 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム及びオーディオ復号装置 |
KR20160101692A (ko) | 2015-02-17 | 2016-08-25 | 한국전자통신연구원 | 다채널 신호 처리 방법 및 상기 방법을 수행하는 다채널 신호 처리 장치 |
US10008214B2 (en) | 2015-09-11 | 2018-06-26 | Electronics And Telecommunications Research Institute | USAC audio signal encoding/decoding apparatus and method for digital radio services |
US10217467B2 (en) | 2016-06-20 | 2019-02-26 | Qualcomm Incorporated | Encoding and decoding of interchannel phase differences between audio signals |
WO2018213580A1 (en) | 2017-05-19 | 2018-11-22 | Merit Medical Systems, Inc. | Rotating biopsy needle |
EP4378396A2 (en) | 2017-05-19 | 2024-06-05 | Merit Medical Systems, Inc. | Biopsy needle devices and methods of use |
CN109360574B (zh) * | 2018-10-18 | 2022-06-21 | 恒玄科技(上海)股份有限公司 | 一种无线蓝牙系统改进的高级音频编码/解码方法及系统 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0287741B1 (en) | 1987-04-22 | 1993-03-31 | International Business Machines Corporation | Process for varying speech speed and device for implementing said process |
US5568142A (en) | 1994-10-20 | 1996-10-22 | Massachusetts Institute Of Technology | Hybrid filter bank analog/digital converter |
KR19980073528A (ko) * | 1997-03-15 | 1998-11-05 | 구자홍 | 엠펙시스템 복호기장치 |
JP3982354B2 (ja) * | 2002-07-15 | 2007-09-26 | ソニー株式会社 | 画像データ再生装置及び方法 |
US7647221B2 (en) * | 2003-04-30 | 2010-01-12 | The Directv Group, Inc. | Audio level control for compressed audio |
JP2005101370A (ja) | 2003-09-25 | 2005-04-14 | Kyocera Corp | 高周波用配線基板 |
KR100547890B1 (ko) | 2004-01-12 | 2006-01-31 | 삼성전자주식회사 | 가입자 분배망을 하나의 보드로 구현하기 위한방송통신융합시스템 |
SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
KR20060122694A (ko) | 2005-05-26 | 2006-11-30 | 엘지전자 주식회사 | 두 채널 이상의 다운믹스 오디오 신호에 공간 정보비트스트림을 삽입하는 방법 |
US7917561B2 (en) * | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
KR20070037983A (ko) | 2005-10-04 | 2007-04-09 | 엘지전자 주식회사 | 다채널 오디오 신호의 디코딩 방법 및 부호화된 오디오신호 생성방법 |
US7653533B2 (en) * | 2005-10-24 | 2010-01-26 | Lg Electronics Inc. | Removing time delays in signal paths |
US8611547B2 (en) * | 2006-07-04 | 2013-12-17 | Electronics And Telecommunications Research Institute | Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder |
KR101100222B1 (ko) * | 2006-12-07 | 2011-12-28 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
-
2007
- 2007-07-04 US US12/307,289 patent/US8611547B2/en active Active
- 2007-07-04 EP EP20070768595 patent/EP2041742B1/en not_active Not-in-force
- 2007-07-04 CN CN2011103779396A patent/CN102394063B/zh active Active
- 2007-07-04 EP EP20120158539 patent/EP2469511B1/en not_active Not-in-force
- 2007-07-04 JP JP2009517995A patent/JP5256196B2/ja not_active Expired - Fee Related
- 2007-07-04 ES ES12158538T patent/ES2438176T3/es active Active
- 2007-07-04 EP EP20120158538 patent/EP2469510B1/en not_active Not-in-force
- 2007-07-04 ES ES11184461T patent/ES2405311T3/es active Active
- 2007-07-04 KR KR20070067101A patent/KR100931309B1/ko active IP Right Grant
- 2007-07-04 WO PCT/KR2007/003247 patent/WO2008004812A1/en active Application Filing
- 2007-07-04 CN CN2007800327793A patent/CN101578654B/zh not_active Expired - Fee Related
- 2007-07-04 CN CN201110378155.5A patent/CN102592598B/zh not_active Expired - Fee Related
- 2007-07-04 EP EP20110184461 patent/EP2410523B1/en active Active
-
2009
- 2009-10-23 KR KR1020090101437A patent/KR101231063B1/ko active IP Right Grant
-
2012
- 2012-03-26 KR KR1020120030545A patent/KR101289268B1/ko active IP Right Grant
- 2012-04-06 JP JP2012087303A patent/JP5351302B2/ja not_active Expired - Fee Related
- 2012-04-06 JP JP2012087315A patent/JP5508464B2/ja active Active
- 2012-04-18 US US13/449,883 patent/US8848926B2/en active Active
-
2013
- 2013-11-15 US US14/081,471 patent/US20140074487A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012155332A (ja) * | 2006-07-04 | 2012-08-16 | Korea Electronics Telecommun | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5351302B2 (ja) | He−aacデコーダ及びmpegサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する方法 | |
CA2579114C (en) | Device and method for generating a multi-channel signal or a parameter data set | |
JP4685925B2 (ja) | 適応残差オーディオ符号化 | |
JP6027901B2 (ja) | トランスコーディング装置 | |
KR101221918B1 (ko) | 신호 처리 방법 및 장치 | |
CN101479786B (zh) | 用于编码和解码基于对象的音频信号的方法和装置 | |
EP1852848A1 (en) | Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream | |
JP2010515099A5 (ja) | ||
JP2009532712A (ja) | メディア信号処理方法及び装置 | |
KR100917845B1 (ko) | 상호상관을 이용한 다채널 오디오 신호 복호화 장치 및 그방법 | |
JP2007178529A (ja) | 符号化オーディオ信号再生装置及び符号化オーディオ信号再生方法 | |
KR20070008211A (ko) | 스케일러블 대역 확장 음성 부호화/복호화 방법 및 장치 | |
KR20070038020A (ko) | 오디오 신호 처리 방법 및 장치와 프로그램을 기록하는컴퓨터로 읽을 수 있는 기록 매체 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20111219 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120106 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120406 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121026 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130128 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130204 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130226 |
|
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: 20130322 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130422 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5256196 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160426 Year of fee payment: 3 |
|
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 |
|
LAPS | Cancellation because of no payment of annual fees |