JP2007311850A - 音声信号処理装置 - Google Patents

音声信号処理装置 Download PDF

Info

Publication number
JP2007311850A
JP2007311850A JP2006136054A JP2006136054A JP2007311850A JP 2007311850 A JP2007311850 A JP 2007311850A JP 2006136054 A JP2006136054 A JP 2006136054A JP 2006136054 A JP2006136054 A JP 2006136054A JP 2007311850 A JP2007311850 A JP 2007311850A
Authority
JP
Japan
Prior art keywords
audio signal
directivity
output
audio
band
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.)
Pending
Application number
JP2006136054A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007311850A5 (enExample
Inventor
Shunei Ishimoto
俊英 石本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2006136054A priority Critical patent/JP2007311850A/ja
Publication of JP2007311850A publication Critical patent/JP2007311850A/ja
Publication of JP2007311850A5 publication Critical patent/JP2007311850A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2006136054A 2006-05-16 2006-05-16 音声信号処理装置 Pending JP2007311850A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006136054A JP2007311850A (ja) 2006-05-16 2006-05-16 音声信号処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006136054A JP2007311850A (ja) 2006-05-16 2006-05-16 音声信号処理装置

Publications (2)

Publication Number Publication Date
JP2007311850A true JP2007311850A (ja) 2007-11-29
JP2007311850A5 JP2007311850A5 (enExample) 2009-07-02

Family

ID=38844339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006136054A Pending JP2007311850A (ja) 2006-05-16 2006-05-16 音声信号処理装置

Country Status (1)

Country Link
JP (1) JP2007311850A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012001898A1 (ja) * 2010-07-02 2012-01-05 パナソニック株式会社 指向性マイクロホン装置及びその指向性制御方法
US9667857B2 (en) 2014-10-09 2017-05-30 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus with adjustable noise level reduction
WO2017154455A1 (ja) * 2016-03-11 2017-09-14 パナソニックIpマネジメント株式会社 音圧傾度型マイクロホン

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03139097A (ja) * 1989-10-25 1991-06-13 Hitachi Ltd マイクの収音方式
JPH08191496A (ja) * 1995-01-09 1996-07-23 Matsushita Electric Ind Co Ltd 接話マイクロホン
JPH0974596A (ja) * 1995-09-06 1997-03-18 Canon Inc 風雑音簡易モニタ装置
JPH10126878A (ja) * 1996-10-15 1998-05-15 Matsushita Electric Ind Co Ltd マイクロホン装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03139097A (ja) * 1989-10-25 1991-06-13 Hitachi Ltd マイクの収音方式
JPH08191496A (ja) * 1995-01-09 1996-07-23 Matsushita Electric Ind Co Ltd 接話マイクロホン
JPH0974596A (ja) * 1995-09-06 1997-03-18 Canon Inc 風雑音簡易モニタ装置
JPH10126878A (ja) * 1996-10-15 1998-05-15 Matsushita Electric Ind Co Ltd マイクロホン装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012001898A1 (ja) * 2010-07-02 2012-01-05 パナソニック株式会社 指向性マイクロホン装置及びその指向性制御方法
US8879749B2 (en) 2010-07-02 2014-11-04 Panasonic Corporation Directional microphone device and directivity control method
JP5756907B2 (ja) * 2010-07-02 2015-07-29 パナソニックIpマネジメント株式会社 指向性マイクロホン装置及びその指向性制御方法
US9667857B2 (en) 2014-10-09 2017-05-30 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus with adjustable noise level reduction
WO2017154455A1 (ja) * 2016-03-11 2017-09-14 パナソニックIpマネジメント株式会社 音圧傾度型マイクロホン
JP2017163474A (ja) * 2016-03-11 2017-09-14 パナソニックIpマネジメント株式会社 音圧傾度型マイクロホン

Similar Documents

Publication Publication Date Title
JP4356670B2 (ja) 雑音低減装置及び雑音低減方法並びに雑音低減プログラムとその電子機器用収音装置
US9445194B2 (en) Sound source separating apparatus, sound source separating program, sound pickup apparatus, and sound pickup program
JP6023779B2 (ja) オーディオ情報処理の方法及び装置
JP4286637B2 (ja) マイクロホン装置および再生装置
CN104137568B (zh) 频率特性变形装置
TWI747252B (zh) 用於音訊處理之系統、方法、及裝置
US9466311B2 (en) Audio signal processing circuit and electronic device using the same
JP2010263280A (ja) 音声信号処理装置
JP5140785B1 (ja) 指向性制御方法及び装置
US20150156600A1 (en) Method and electronic device
JP2006237816A (ja) 演算装置、収音装置、及び、信号処理プログラム
JP2002171591A (ja) ステレオマイクロホン装置、雑音低減処理方法及び装置
US9204237B2 (en) Method of generating left and right surround signals from a stereo sound signal
JP2004201109A (ja) 帯域フィルタ
JP2006080590A (ja) 音声信号処理装置
JP6197534B2 (ja) 音源分離装置、音源分離方法、及び音源分離プログラム
JP2016082432A (ja) マイクシステム、ノイズ除去方法、およびプログラム
JP2010028181A (ja) 集音ヘッドホン
TWI760676B (zh) 具有抗噪機制的音訊播放裝置及方法
JPH05168085A (ja) マイクロホン装置
JP2005286788A (ja) ノイズ除去回路
JP2004336609A (ja) ステレオ化処理回路
JP2011176566A (ja) 残響付加装置、プログラム、及び残響付加方法
JPH05145986A (ja) マイクロホン装置
JPH05347793A (ja) マイクロホン装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090518

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090518

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20090612

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110902

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110906

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20120110