TW200618462A - Sound volume control circuit, semiconductor integrated circuit, and sound source device - Google Patents

Sound volume control circuit, semiconductor integrated circuit, and sound source device

Info

Publication number
TW200618462A
TW200618462A TW094110875A TW94110875A TW200618462A TW 200618462 A TW200618462 A TW 200618462A TW 094110875 A TW094110875 A TW 094110875A TW 94110875 A TW94110875 A TW 94110875A TW 200618462 A TW200618462 A TW 200618462A
Authority
TW
Taiwan
Prior art keywords
multiplication
multiplexer
volume control
control circuit
counter
Prior art date
Application number
TW094110875A
Other languages
English (en)
Inventor
Naoki Kurihara
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200618462A publication Critical patent/TW200618462A/zh

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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/002—Control of digital or coded signals

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
TW094110875A 2004-04-06 2005-04-06 Sound volume control circuit, semiconductor integrated circuit, and sound source device TW200618462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004111959 2004-04-06

Publications (1)

Publication Number Publication Date
TW200618462A true TW200618462A (en) 2006-06-01

Family

ID=35125472

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094110875A TW200618462A (en) 2004-04-06 2005-04-06 Sound volume control circuit, semiconductor integrated circuit, and sound source device

Country Status (6)

Country Link
US (1) US20070211910A1 (zh)
EP (1) EP1744588A1 (zh)
JP (1) JP4751321B2 (zh)
CN (1) CN1939089B (zh)
TW (1) TW200618462A (zh)
WO (1) WO2005099304A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010518655A (ja) 2006-09-14 2010-05-27 エルジー エレクトロニクス インコーポレイティド ダイアログ増幅技術

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095721U (ja) * 1983-12-07 1985-06-29 パイオニア株式会社 電子ボリユ−ム回路
US5150415A (en) * 1989-05-01 1992-09-22 Motorola, Inc. Volume control circuit using pulse modulation
JP2588413Y2 (ja) * 1993-12-27 1999-01-13 アイワ株式会社 電子式ボリュームの制御回路
DE19630395C1 (de) * 1996-07-26 1997-10-02 Sgs Thomson Microelectronics Elektrische Stummsteuerschaltung
JPH0923123A (ja) * 1996-08-02 1997-01-21 Sony Corp デジタルオーディオ信号の減衰装置
US6216052B1 (en) * 1996-10-23 2001-04-10 Advanced Micro Devices, Inc. Noise elimination in a USB codec
JP3236819B2 (ja) * 1998-06-18 2001-12-10 富士通テン株式会社 音響機器の音量制御装置
JP2000102088A (ja) * 1998-09-25 2000-04-07 Pioneer Electronic Corp オーディオシステム
JP2000315925A (ja) * 1999-04-28 2000-11-14 Clarion Co Ltd 音響機器の音量制御装置
JP2001257548A (ja) * 2000-03-10 2001-09-21 Matsushita Electric Ind Co Ltd 音量制御方法
JP2002006070A (ja) * 2000-06-20 2002-01-09 Funai Electric Co Ltd 電子装置
JP2002353757A (ja) * 2001-05-30 2002-12-06 Victor Co Of Japan Ltd 自動音量制御装置
JP2003173612A (ja) * 2001-11-30 2003-06-20 Sharp Corp 音量制御装置
GB2409389B (en) * 2003-12-09 2005-10-05 Wolfson Ltd Signal processors and associated methods
JP4241443B2 (ja) * 2004-03-10 2009-03-18 ソニー株式会社 音声信号処理装置、音声信号処理方法

Also Published As

Publication number Publication date
EP1744588A1 (en) 2007-01-17
JPWO2005099304A1 (ja) 2008-03-06
CN1939089B (zh) 2011-01-12
US20070211910A1 (en) 2007-09-13
CN1939089A (zh) 2007-03-28
WO2005099304A1 (ja) 2005-10-20
JP4751321B2 (ja) 2011-08-17

Similar Documents

Publication Publication Date Title
TW200601027A (en) A method and system for fast frequency switch for a power throttle in an integrated device
BRPI0712764A8 (pt) circuito multiplexador de sinal de relógio isento de glitch e método de operação
TWI273367B (en) Method and device for calibrating monitor clocks
AU6365500A (en) Method and apparatus for adjusting control signal timing in a memory device
TW200626917A (en) Low cost test for IC's or electrical modules using standard reconfigurable logic devices
TW200603246A (en) Semiconductor device
WO2007120957A3 (en) Dynamic timing adjustment in a circuit device
TW200717239A (en) Semiconductor integrated circuit device
TW200634588A (en) Automated provisioning of new networked devices
DE602007013023D1 (de) Testzugangsportschalter
TW200520387A (en) Programmable low-power high-frequency divider
TW200700959A (en) System and method of managing clock speed in an electronic device
GB2436507A (en) Method, apparatus and system to generate an interrupt by monitoring an external interface
DE60238387D1 (de) Schnelles filter
TW200718022A (en) Offsetcontrollable spread spectrum clock generator apparatus
DE50307824D1 (de) Ein- und ausgabevorrichtung zum lösbaren anbringen an einem elektronischen gerät
CN109060130B (zh) 一种存储结构的现场可编程门阵列数字相关器
TW200631025A (en) Method and system for timing measurement of embedded macro module
TW200618462A (en) Sound volume control circuit, semiconductor integrated circuit, and sound source device
EP1324189A3 (en) Self-timed digital processing circuits
DE10318603B4 (de) Eingangsempfängerschaltung
ATE365996T1 (de) Vorrichtung und verfahren in einer halbleiterschaltung
GB2393864B (en) Input and output circuit of semiconductor device
TW200741237A (en) Calibration device, calibration method, test apparatus and test method
DK1361660T3 (da) Elektronisk strömkreds med mindst en indgang til udvælgelse af en tilstand af den elektroniske strömkreds