JP5816482B2 - 音声記録再生装置 - Google Patents
音声記録再生装置 Download PDFInfo
- Publication number
- JP5816482B2 JP5816482B2 JP2011168126A JP2011168126A JP5816482B2 JP 5816482 B2 JP5816482 B2 JP 5816482B2 JP 2011168126 A JP2011168126 A JP 2011168126A JP 2011168126 A JP2011168126 A JP 2011168126A JP 5816482 B2 JP5816482 B2 JP 5816482B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- output
- microphone
- output voltage
- 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
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Human Computer Interaction (AREA)
- General Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Direct Current Feeding And Distribution (AREA)
Description
Claims (3)
- 録音動作中の音声入力を電気的な音声信号に変換する音声入力手段と、
上記音声入力手段に対して平衡型伝送路を経由して給電を行う給電手段と、
上記音声信号を増幅する増幅手段と、
上記平衡型伝送路に印加する給電電圧を生成および上記給電手段に出力する昇圧手段と、
上記昇圧手段の出力電圧を可変制御する出力電圧可変手段と、
上記給電手段および上記出力電圧可変手段を制御することにより、上記給電手段の給電電圧を制御する制御手段と、
上記昇圧手段より上記給電手段に出力される出力電流を検出する出力電流検出手段と、
を具備し、
上記制御手段は、上記出力電圧可変手段を制御して、上記昇圧手段の出力電圧を概略一定間隔で連続的に増加または減少させることにより、所定時間内に所定の目標電圧を上記給電手段へ出力し、
上記出力電流検出手段の出力に基づいて、上記出力電圧可変手段を制御して、上記昇圧手段の出力電圧の増加割合または減少割合を制御し、第1の目標電圧に設定した状態で上記出力電流検出部の出力が所定値よりも小さい場合に、上記第1の目標電圧よりも低い第2の目標電圧に設定する、
ことを特徴とする音声記録再生装置。 - 上記一定間隔とは、上記出力電圧可変手段の出力電圧可変制御に用いる最小単位時間であり、
上記制御手段は、上記所定の目標電圧を所定時間で均等割りしたときの最小単位電圧を連続的に増加または減少させることにより、出力電圧を可変させて所定の目標電圧まで至らせることを特徴とする請求項1に記載の音声記録再生装置。 - 上記制御手段は、録音動作中は、上記出力電圧可変手段による上記給電手段への出力電圧可変制御を禁止することを特徴とする請求項1又は2に記載の音声記録再生装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011168126A JP5816482B2 (ja) | 2011-08-01 | 2011-08-01 | 音声記録再生装置 |
US13/554,074 US9131291B2 (en) | 2011-08-01 | 2012-07-20 | Audio recording and playback device, and power feed method for audio recording and playback device |
CN201210270261.6A CN102917294B (zh) | 2011-08-01 | 2012-07-31 | 声音记录再现装置及声音记录再现装置的供电方法 |
US14/812,251 US9632749B2 (en) | 2011-08-01 | 2015-07-29 | Audio recording and playback device, and power feed method for audio recording and playback device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011168126A JP5816482B2 (ja) | 2011-08-01 | 2011-08-01 | 音声記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013034052A JP2013034052A (ja) | 2013-02-14 |
JP5816482B2 true JP5816482B2 (ja) | 2015-11-18 |
Family
ID=47615497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011168126A Expired - Fee Related JP5816482B2 (ja) | 2011-08-01 | 2011-08-01 | 音声記録再生装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US9131291B2 (ja) |
JP (1) | JP5816482B2 (ja) |
CN (1) | CN102917294B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8925807B2 (en) * | 2013-03-14 | 2015-01-06 | Daniel Utley | Audio port power generation circuit and auxiliary device |
JP2015027124A (ja) * | 2013-07-24 | 2015-02-05 | 船井電機株式会社 | 給電システム、電子機器、ケーブル、プログラム |
US9338546B2 (en) * | 2013-12-16 | 2016-05-10 | Infineon Technologies Ag | Circuit assembly for processing an input signal, microphone assembly and method for following an input signal |
US20170026731A1 (en) * | 2014-02-28 | 2017-01-26 | Tomoegawa Co., Ltd. | Pop noise reduction tool, microphone equipped therewith, pop noise measurement method, and pop noise measurement device |
US9614970B1 (en) * | 2014-05-08 | 2017-04-04 | Ingolf J. C. De Jong | Telephone conferencing apparatus |
KR101625455B1 (ko) * | 2014-12-10 | 2016-05-30 | (주)와이솔 | 단말에 포함된 전압 공급 회로 |
US9706312B2 (en) * | 2014-12-16 | 2017-07-11 | Stmicroelectronics S.R.L. | Sensing circuit and method of detecting an electrical signal generated by a microphone |
KR101938215B1 (ko) * | 2015-08-26 | 2019-01-14 | 주식회사 퓨처플레이 | 스마트 인터렉션 장치 |
CN109587602B (zh) * | 2017-09-29 | 2024-05-17 | 深圳市三诺数字科技有限公司 | 一种音频信号升压控制电路 |
CN110881158B (zh) * | 2018-09-06 | 2021-09-28 | 芯洲科技(北京)有限公司 | 集成电路装置和音频播放装置 |
CN110958556B (zh) * | 2019-11-29 | 2021-04-30 | 潍坊歌尔微电子有限公司 | 麦克风性能的测试系统及方法 |
JP7439606B2 (ja) * | 2020-03-25 | 2024-02-28 | ヤマハ株式会社 | オーディオ機器及びオーディオ信号処理方法 |
CN116723451B (zh) * | 2023-08-10 | 2023-11-03 | 上海海栎创科技股份有限公司 | 一种放音电源控制电路及控制方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3120708B2 (ja) | 1995-09-04 | 2000-12-25 | ティアック株式会社 | 信号増幅装置 |
CN1312837C (zh) | 2003-07-25 | 2007-04-25 | 中强光电股份有限公司 | 消除爆鸣声的装置与方法 |
JP4579778B2 (ja) * | 2004-08-17 | 2010-11-10 | ルネサスエレクトロニクス株式会社 | センサ用電源回路およびそれを用いたマイクロホンユニット |
JP4919621B2 (ja) * | 2005-06-24 | 2012-04-18 | 株式会社オーディオテクニカ | コンデンサーマイクロホン |
CN101594043A (zh) * | 2008-05-28 | 2009-12-02 | 台达电子工业股份有限公司 | 智能型电源供应器 |
JP5212040B2 (ja) | 2008-11-18 | 2013-06-19 | セイコーエプソン株式会社 | 電源供給装置、音響装置、プロジェクタ、及び電源供給方法 |
DE102009019707B4 (de) * | 2009-05-05 | 2019-12-19 | Sennheiser Electronic Gmbh & Co. Kg | Speisevorrichtung zur Speisung eines Mikrofons |
JP2011101318A (ja) * | 2009-11-09 | 2011-05-19 | Sony Corp | マイクロフォン及びオーディオ信号処理装置 |
US8831246B2 (en) * | 2009-12-14 | 2014-09-09 | Invensense, Inc. | MEMS microphone with programmable sensitivity |
CN201813527U (zh) * | 2010-09-16 | 2011-04-27 | 歌尔声学股份有限公司 | 电容式麦克风电路 |
-
2011
- 2011-08-01 JP JP2011168126A patent/JP5816482B2/ja not_active Expired - Fee Related
-
2012
- 2012-07-20 US US13/554,074 patent/US9131291B2/en not_active Expired - Fee Related
- 2012-07-31 CN CN201210270261.6A patent/CN102917294B/zh not_active Expired - Fee Related
-
2015
- 2015-07-29 US US14/812,251 patent/US9632749B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2013034052A (ja) | 2013-02-14 |
CN102917294B (zh) | 2016-01-13 |
US9131291B2 (en) | 2015-09-08 |
CN102917294A (zh) | 2013-02-06 |
US9632749B2 (en) | 2017-04-25 |
US20150331667A1 (en) | 2015-11-19 |
US20130034248A1 (en) | 2013-02-07 |
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