JP2014078297A - 録音装置 - Google Patents
録音装置 Download PDFInfo
- Publication number
- JP2014078297A JP2014078297A JP2012225515A JP2012225515A JP2014078297A JP 2014078297 A JP2014078297 A JP 2014078297A JP 2012225515 A JP2012225515 A JP 2012225515A JP 2012225515 A JP2012225515 A JP 2012225515A JP 2014078297 A JP2014078297 A JP 2014078297A
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- level
- normalization
- compression
- mixdown
- 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
- 230000005236 sound signal Effects 0.000 claims abstract description 90
- 238000007906 compression Methods 0.000 claims abstract description 47
- 238000010606 normalization Methods 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 description 47
- 238000001514 detection method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000003936 working memory 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
- G11B2020/10555—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account
- G11B2020/10574—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account volume or amplitude
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
【解決手段】DSP14は、複数トラックに割り当てられた音声信号をステレオ音声信号にミックスダウンする。DSP14は、マスタリング処理する際に、圧縮処理に先立って音声信号をノーマライズし、その後に圧縮処理を行い、再度、ノーマライズ処理を行ってマスタデータを作成し、レコーダ34に記録する。
【選択図】図1
Description
Claims (4)
- 音声信号を記録する録音装置であって、
音声信号のレベルを目標の基準レベルまで増幅するプリノーマライズ手段と、
前記プリノーマライズ手段で処理された音声信号のレベルのうち、所定の閾値を超えるレベルを圧縮する圧縮手段と、
を備えることを特徴とする録音装置。 - 請求項1記載の録音装置において、さらに、
複数トラックの各トラックに割り当てられた音声信号からステレオ音声信号を生成するミックスダウン手段と、
を備え、前記プリノーマライズ手段は、前記ステレオ音声信号のレベルを前記基準レベルまで増幅することを特徴とする録音装置。 - 請求項1,2のいずれかに記載の録音装置において、さらに、
前記圧縮手段で処理された音声信号のレベルを前記基準レベルまで増幅するポストノーマライズ手段と、
を備えることを特徴とする録音装置。 - 請求項1,2のいずれかに記載の録音装置において、
前記圧縮手段は、前記プリノーマライズ手段で処理された音声信号のレベルのうち、所定の閾値を超えるレベルを圧縮すると同時に、音声信号のレベルを前記基準レベルまで増幅する
ことを特徴とする録音装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012225515A JP6079119B2 (ja) | 2012-10-10 | 2012-10-10 | 録音装置 |
US13/748,439 US9666196B2 (en) | 2012-10-10 | 2013-01-23 | Recording apparatus with mastering function |
CN201310468494.1A CN103731795B (zh) | 2012-10-10 | 2013-10-09 | 录音装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012225515A JP6079119B2 (ja) | 2012-10-10 | 2012-10-10 | 録音装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014078297A true JP2014078297A (ja) | 2014-05-01 |
JP6079119B2 JP6079119B2 (ja) | 2017-02-15 |
Family
ID=50432679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012225515A Active JP6079119B2 (ja) | 2012-10-10 | 2012-10-10 | 録音装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9666196B2 (ja) |
JP (1) | JP6079119B2 (ja) |
CN (1) | CN103731795B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016111673A (ja) * | 2014-07-30 | 2016-06-20 | 株式会社タムラ製作所 | 自動音声調整装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10901682B2 (en) * | 2016-04-06 | 2021-01-26 | Aftermaster, Inc. | Electronic device with embedded microchip |
CN113035209B (zh) * | 2021-02-25 | 2023-07-04 | 北京达佳互联信息技术有限公司 | 三维音频获取方法和三维音频获取装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0855428A (ja) * | 1994-08-17 | 1996-02-27 | Sony Corp | 録音信号処理装置 |
JP2009031357A (ja) * | 2007-07-24 | 2009-02-12 | Yamaha Corp | 楽曲配信システム、楽曲編集装置、楽曲再生装置、楽曲記憶装置およびプログラム |
JP2011217066A (ja) * | 2010-03-31 | 2011-10-27 | Yamaha Corp | 音信号出力制御装置 |
JP2012104992A (ja) * | 2010-11-09 | 2012-05-31 | Sony Corp | 再生装置、再生方法、提供装置および再生システム |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4080528A (en) | 1976-04-23 | 1978-03-21 | Recognition Equipment Incorporated | Data interlacing system |
JPS56169971A (en) * | 1980-06-02 | 1981-12-26 | Hitachi Ltd | Solidstate image sensor |
JPS5868325A (ja) * | 1981-10-19 | 1983-04-23 | Victor Co Of Japan Ltd | 雑音低減装置 |
US5956196A (en) | 1993-04-09 | 1999-09-21 | Western Digital Corporation | Disk drive employing dynamically reconfigured read channel to process a read signal at two different frequencies |
US5530601A (en) | 1993-09-30 | 1996-06-25 | International Business Machines Corporation | Tracking threshold circuit for peak detection |
US6868163B1 (en) | 1998-09-22 | 2005-03-15 | Becs Technology, Inc. | Hearing aids based on models of cochlear compression |
JP4895418B2 (ja) | 1999-08-24 | 2012-03-14 | ソニー株式会社 | 音声再生方法および音声再生装置 |
US7551745B2 (en) | 2003-04-24 | 2009-06-23 | Dolby Laboratories Licensing Corporation | Volume and compression control in movie theaters |
US7813931B2 (en) | 2005-04-20 | 2010-10-12 | QNX Software Systems, Co. | System for improving speech quality and intelligibility with bandwidth compression/expansion |
US8352052B1 (en) | 2006-10-23 | 2013-01-08 | Adobe Systems Incorporated | Adjusting audio volume |
EP2139264B1 (en) | 2007-03-20 | 2014-10-08 | NEC Corporation | Acoustic processing system and method for electronic device and mobile telephone terminal |
US20090074209A1 (en) * | 2007-08-16 | 2009-03-19 | Jeffrey Thompson | Audio Processing for Compressed Digital Television |
JP4327241B2 (ja) | 2007-10-01 | 2009-09-09 | パナソニック株式会社 | 音声強調装置および音声強調方法 |
US8660845B1 (en) * | 2007-10-16 | 2014-02-25 | Adobe Systems Incorporated | Automatic separation of audio data |
DE102008036924B4 (de) | 2008-08-08 | 2011-04-21 | Gunnar Kron | Verfahren zur Mehrkanalbearbeitung in einem Mehrkanaltonsystem |
JP5236006B2 (ja) | 2008-10-17 | 2013-07-17 | シャープ株式会社 | 音声信号調整装置及び音声信号調整方法 |
UA101542C2 (ru) | 2008-12-15 | 2013-04-10 | Долби Лабораторис Лайсензин Корпорейшн | Виртуализатор окружающего звука с динамическим сжатием диапазона и способ |
JP2010244602A (ja) | 2009-04-03 | 2010-10-28 | Sony Corp | 信号処理装置及び方法、並びにプログラム |
US8401683B2 (en) | 2009-08-31 | 2013-03-19 | Apple Inc. | Audio onset detection |
US8670577B2 (en) | 2010-10-18 | 2014-03-11 | Convey Technology, Inc. | Electronically-simulated live music |
TWI517028B (zh) | 2010-12-22 | 2016-01-11 | 傑奧笛爾公司 | 音訊空間定位和環境模擬 |
JP5707963B2 (ja) * | 2011-01-20 | 2015-04-30 | ヤマハ株式会社 | オーディオアンプ |
CN102610229B (zh) | 2011-01-21 | 2013-11-13 | 安凯(广州)微电子技术有限公司 | 一种音频动态范围压缩方法、装置及设备 |
US8965774B2 (en) * | 2011-08-23 | 2015-02-24 | Apple Inc. | Automatic detection of audio compression parameters |
-
2012
- 2012-10-10 JP JP2012225515A patent/JP6079119B2/ja active Active
-
2013
- 2013-01-23 US US13/748,439 patent/US9666196B2/en active Active
- 2013-10-09 CN CN201310468494.1A patent/CN103731795B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0855428A (ja) * | 1994-08-17 | 1996-02-27 | Sony Corp | 録音信号処理装置 |
JP2009031357A (ja) * | 2007-07-24 | 2009-02-12 | Yamaha Corp | 楽曲配信システム、楽曲編集装置、楽曲再生装置、楽曲記憶装置およびプログラム |
JP2011217066A (ja) * | 2010-03-31 | 2011-10-27 | Yamaha Corp | 音信号出力制御装置 |
JP2012104992A (ja) * | 2010-11-09 | 2012-05-31 | Sony Corp | 再生装置、再生方法、提供装置および再生システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016111673A (ja) * | 2014-07-30 | 2016-06-20 | 株式会社タムラ製作所 | 自動音声調整装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6079119B2 (ja) | 2017-02-15 |
US9666196B2 (en) | 2017-05-30 |
CN103731795B (zh) | 2016-06-08 |
US20140098961A1 (en) | 2014-04-10 |
CN103731795A (zh) | 2014-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6838093B2 (ja) | オーディオ符号化システムにおけるユーザー対話のためのラウドネス制御 | |
TWI525987B (zh) | 在單一播放模式中組合響度量測的系統 | |
US20120288121A1 (en) | Acoustic control device | |
JP6323089B2 (ja) | レベル調整方法およびレベル調整装置 | |
JP4792086B2 (ja) | 2つの入力チャンネルを使用して3つの出力チャンネルを合成させる装置および方法 | |
JP6079119B2 (ja) | 録音装置 | |
JP2013048352A (ja) | マルチトラックレコーダ装置 | |
US20130279707A1 (en) | Sound reproducing device, reproduced sound adjustment method, acoustic characteristic adjustment device, acoustic characteristic adjust method, and computer program | |
JP2013110585A (ja) | 音響機器 | |
JP6056356B2 (ja) | 録音装置 | |
US6839675B2 (en) | Real-time monitoring system for codec-effect sampling during digital processing of a sound source | |
JP6926662B2 (ja) | オーディオ装置及びプログラム | |
JP2006270507A (ja) | ミキシング装置 | |
JP5999408B2 (ja) | 楽音信号制御システムおよびプログラム | |
JP2009086481A (ja) | 音響装置、残響音付加方法、残響音付加プログラム及びその記録媒体 | |
JP2006340276A (ja) | 音響調整設備及び音響調整方法 | |
JP5598722B2 (ja) | 音声再生装置、音声再生装置における再生音調整方法 | |
US9549247B2 (en) | Audio mixing system | |
JP5067240B2 (ja) | 遅延制御装置 | |
CN103731794B (zh) | 录音装置 | |
JP2019153882A (ja) | オーディオ装置 | |
JP2014044762A (ja) | マルチトラックレコーダ | |
JP5488478B2 (ja) | 音声処理装置 | |
JP2009251044A (ja) | 電子楽器および音量制御方法 | |
JP2007033833A (ja) | オーサリング装置およびオーサリングプログラム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150821 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160421 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160510 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160706 |
|
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: 20161220 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170102 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6079119 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |