JP5644359B2 - 音声処理装置 - Google Patents
音声処理装置 Download PDFInfo
- Publication number
- JP5644359B2 JP5644359B2 JP2010236019A JP2010236019A JP5644359B2 JP 5644359 B2 JP5644359 B2 JP 5644359B2 JP 2010236019 A JP2010236019 A JP 2010236019A JP 2010236019 A JP2010236019 A JP 2010236019A JP 5644359 B2 JP5644359 B2 JP 5644359B2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- unit
- voice
- masker
- output
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/1752—Masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/46—Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/84—Jamming or countermeasure characterized by its function related to preventing electromagnetic interference in petrol station, hospital, plane or cinema
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Description
2…話者
3…聴取者
11…マイク
12…A/D変換部
13…音声解析部
14…マスカ音生成部
15…データベース
17…スピーカ
Claims (4)
- 音声信号を入力する入力部と、
入力した音声信号を解析する解析部と、
汎用マスカ音を記憶する記憶部と、
前記解析部の解析結果、および前記記憶部に記憶されている汎用マスカ音に基づいて、出力用マスカ音を生成するマスカ音生成部と、
前記出力用マスカ音を出力する出力部と、
前記解析結果を所定時間保持する解析結果保持部と、を備え、
前記マスカ音生成部は、前記解析部の解析結果と、前記解析結果保持部に保持されている解析結果を比較し、異なる解析結果が算出された場合に、前記解析部の解析結果に基づく前記出力用マスカ音の生成を停止する音声処理装置。 - 前記解析部は、前記入力した音声信号の音声特徴量を抽出し、
前記マスカ音生成部は、前記音声特徴量に基づいて前記記憶部に記憶されている汎用マスカ音を加工して前記出力用マスカ音を生成する請求項1に記載の音声処理装置。 - 前記入力した音声信号から前記出力用マスカ音を削減する削減部を備えた請求項1または請求項2に記載の音声処理装置。
- 前記出力用マスカ音は、連続的に発生する音声と断続的に発生する音声との組み合わせからなる請求項1乃至請求項3のいずれかに記載の音声処理装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010236019A JP5644359B2 (ja) | 2010-10-21 | 2010-10-21 | 音声処理装置 |
CN2011800448169A CN103189912A (zh) | 2010-10-21 | 2011-10-21 | 声音处理设备和声音处理方法 |
PCT/JP2011/074255 WO2012053629A1 (ja) | 2010-10-21 | 2011-10-21 | 音声処理装置及び音声処理方法 |
US13/822,490 US9117436B2 (en) | 2010-10-21 | 2011-10-21 | Sound processing apparatus and sound processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010236019A JP5644359B2 (ja) | 2010-10-21 | 2010-10-21 | 音声処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012088577A JP2012088577A (ja) | 2012-05-10 |
JP5644359B2 true JP5644359B2 (ja) | 2014-12-24 |
Family
ID=45975337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010236019A Expired - Fee Related JP5644359B2 (ja) | 2010-10-21 | 2010-10-21 | 音声処理装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9117436B2 (ja) |
JP (1) | JP5644359B2 (ja) |
CN (1) | CN103189912A (ja) |
WO (1) | WO2012053629A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014130251A (ja) * | 2012-12-28 | 2014-07-10 | Glory Ltd | 会話保護システム及び会話保護方法 |
JP6197367B2 (ja) * | 2013-05-23 | 2017-09-20 | 富士通株式会社 | 通話装置及びマスキング音生成プログラム |
CN103617797A (zh) * | 2013-12-09 | 2014-03-05 | 腾讯科技(深圳)有限公司 | 一种语音处理方法,及装置 |
CN104575486B (zh) * | 2014-12-25 | 2019-04-02 | 中国科学院信息工程研究所 | 基于声掩蔽原理的声泄漏防护方法及系统 |
EP3048608A1 (en) * | 2015-01-20 | 2016-07-27 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Speech reproduction device configured for masking reproduced speech in a masked speech zone |
JP2016177204A (ja) * | 2015-03-20 | 2016-10-06 | ヤマハ株式会社 | サウンドマスキング装置 |
JP6033927B1 (ja) * | 2015-06-24 | 2016-11-30 | ヤマハ株式会社 | 情報提供システムおよび情報提供方法 |
US10277581B2 (en) * | 2015-09-08 | 2019-04-30 | Oath, Inc. | Audio verification |
CN106558303A (zh) * | 2015-09-29 | 2017-04-05 | 苏州天声学科技有限公司 | 阵列式声音掩蔽器及声音掩蔽方法 |
JP6160794B1 (ja) * | 2015-10-15 | 2017-07-12 | ヤマハ株式会社 | 情報管理システムおよび情報管理方法 |
US10354638B2 (en) | 2016-03-01 | 2019-07-16 | Guardian Glass, LLC | Acoustic wall assembly having active noise-disruptive properties, and/or method of making and/or using the same |
WO2017201269A1 (en) | 2016-05-20 | 2017-11-23 | Cambridge Sound Management, Inc. | Self-powered loudspeaker for sound masking |
JP6837214B2 (ja) * | 2016-12-09 | 2021-03-03 | パナソニックIpマネジメント株式会社 | 騒音マスキング装置、車両、及び、騒音マスキング方法 |
US10726855B2 (en) * | 2017-03-15 | 2020-07-28 | Guardian Glass, Llc. | Speech privacy system and/or associated method |
US10304473B2 (en) | 2017-03-15 | 2019-05-28 | Guardian Glass, LLC | Speech privacy system and/or associated method |
US10373626B2 (en) | 2017-03-15 | 2019-08-06 | Guardian Glass, LLC | Speech privacy system and/or associated method |
CN110998711A (zh) * | 2017-08-16 | 2020-04-10 | 谷歌有限责任公司 | 动态音频数据传输掩蔽 |
CN108922516B (zh) * | 2018-06-29 | 2020-11-06 | 北京语言大学 | 检测调域值的方法和装置 |
JP2021068490A (ja) * | 2019-10-25 | 2021-04-30 | 東京瓦斯株式会社 | 音声再生システムおよびプログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050254663A1 (en) * | 1999-11-16 | 2005-11-17 | Andreas Raptopoulos | Electronic sound screening system and method of accoustically impoving the environment |
GB9927131D0 (en) | 1999-11-16 | 2000-01-12 | Royal College Of Art | Apparatus for acoustically improving an environment and related method |
GB0023207D0 (en) * | 2000-09-21 | 2000-11-01 | Royal College Of Art | Apparatus for acoustically improving an environment |
US7363227B2 (en) * | 2005-01-10 | 2008-04-22 | Herman Miller, Inc. | Disruption of speech understanding by adding a privacy sound thereto |
JP5103973B2 (ja) * | 2007-03-22 | 2012-12-19 | ヤマハ株式会社 | サウンドマスキングシステム、マスキングサウンド生成方法およびプログラム |
JP2009118062A (ja) | 2007-11-05 | 2009-05-28 | Pioneer Electronic Corp | 音発生装置 |
-
2010
- 2010-10-21 JP JP2010236019A patent/JP5644359B2/ja not_active Expired - Fee Related
-
2011
- 2011-10-21 CN CN2011800448169A patent/CN103189912A/zh active Pending
- 2011-10-21 WO PCT/JP2011/074255 patent/WO2012053629A1/ja active Application Filing
- 2011-10-21 US US13/822,490 patent/US9117436B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2012053629A1 (ja) | 2012-04-26 |
CN103189912A (zh) | 2013-07-03 |
US20130182866A1 (en) | 2013-07-18 |
US9117436B2 (en) | 2015-08-25 |
JP2012088577A (ja) | 2012-05-10 |
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