TW200742283A - Audio device - Google Patents

Audio device

Info

Publication number
TW200742283A
TW200742283A TW095143525A TW95143525A TW200742283A TW 200742283 A TW200742283 A TW 200742283A TW 095143525 A TW095143525 A TW 095143525A TW 95143525 A TW95143525 A TW 95143525A TW 200742283 A TW200742283 A TW 200742283A
Authority
TW
Taiwan
Prior art keywords
bus
tri
state
mode
output buffers
Prior art date
Application number
TW095143525A
Other languages
English (en)
Other versions
TWI434523B (zh
Inventor
David Sinai
Original Assignee
Wolfson Microelectronics Plc
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 Wolfson Microelectronics Plc filed Critical Wolfson Microelectronics Plc
Publication of TW200742283A publication Critical patent/TW200742283A/zh
Application granted granted Critical
Publication of TWI434523B publication Critical patent/TWI434523B/zh

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • G06F13/4022Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/026Arrangements for coupling transmitters, receivers or transceivers to transmission lines; Line drivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041Portable telephones adapted for handsfree use
    • H04M1/6058Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • H04M1/6066Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72442User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Logic Circuits (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Paints Or Removers (AREA)
TW095143525A 2005-11-26 2006-11-24 音訊裝置(一) TWI434523B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0524101A GB2432759B (en) 2005-11-26 2005-11-26 Audio device

Publications (2)

Publication Number Publication Date
TW200742283A true TW200742283A (en) 2007-11-01
TWI434523B TWI434523B (zh) 2014-04-11

Family

ID=35601274

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095143525A TWI434523B (zh) 2005-11-26 2006-11-24 音訊裝置(一)

Country Status (7)

Country Link
US (1) US7376778B2 (zh)
EP (2) EP2128773A3 (zh)
CN (1) CN1997057B (zh)
AT (1) ATE437408T1 (zh)
DE (1) DE602006007933D1 (zh)
GB (1) GB2432759B (zh)
TW (1) TWI434523B (zh)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7697947B2 (en) * 2005-10-05 2010-04-13 Sony Ericsson Mobile Communications Ab Method of combining audio signals in a wireless communication device
GB2444191B (en) 2005-11-26 2008-07-16 Wolfson Microelectronics Plc Audio device
GB2432758B (en) * 2005-11-26 2008-09-10 Wolfson Ltd Auto device and method
US7813823B2 (en) * 2006-01-17 2010-10-12 Sigmatel, Inc. Computer audio system and method
KR100735413B1 (ko) * 2006-08-08 2007-07-04 삼성전자주식회사 블루투스를 이용하여 음악 데이터 재생 중 음성을입출력하는 이동통신 단말기 및 음성 입출력 방법
US20080168891A1 (en) * 2007-01-12 2008-07-17 Felecia Fisehell Communication system for water aerobics
US8385824B2 (en) * 2007-05-03 2013-02-26 MindTree Limited Procedure for headset and device authentication
US20080307135A1 (en) * 2007-06-06 2008-12-11 Yi-Feng Jang High performance programmable logic system interface and chip
US8411603B2 (en) * 2008-06-19 2013-04-02 Broadcom Corporation Method and system for dual digital microphone processing in an audio CODEC
US20090319279A1 (en) * 2008-06-19 2009-12-24 Hongwei Kong Method and system for audio transmit loopback processing in an audio codec
US8498425B2 (en) * 2008-08-13 2013-07-30 Onvocal Inc Wearable headset with self-contained vocal feedback and vocal command
CN101848014B (zh) * 2009-03-25 2013-08-07 深圳富泰宏精密工业有限公司 利用蓝牙装置收听调频广播的系统及方法
CN101854705B (zh) * 2009-03-30 2013-02-13 联想(北京)有限公司 音频切换方法、音频切换设备、音频编解码器及终端设备
US8737636B2 (en) * 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
CN102740507B (zh) * 2011-04-01 2016-01-13 深圳富泰宏精密工业有限公司 实现双模手机双模同时通话的系统、方法及双模手机
US10490459B2 (en) 2017-08-25 2019-11-26 Taiwan Semiconductor Manufacturing Co., Ltd. Method for source/drain contact formation in semiconductor devices
US20120300960A1 (en) 2011-05-27 2012-11-29 Graeme Gordon Mackay Digital signal routing circuit
KR20130135507A (ko) * 2012-06-01 2013-12-11 삼성디스플레이 주식회사 스테이지 회로 및 이를 이용한 주사 구동부
US9047270B2 (en) * 2013-01-18 2015-06-02 Freescale Semiconductor Inc. DMA-assisted irregular sampling sequences
US9436633B2 (en) 2013-02-22 2016-09-06 Marvell World Trade Ltd. Multi-slot multi-point audio interface
GB201309781D0 (en) * 2013-05-31 2013-07-17 Microsoft Corp Echo cancellation
CN103714847B (zh) * 2013-12-31 2016-05-04 中山大学花都产业科技研究院 一种基于dsp的多通道数字音频处理器
GB201414352D0 (en) 2014-08-13 2014-09-24 Microsoft Corp Reversed echo canceller
CN107111580B (zh) * 2014-10-22 2021-04-09 Ess技术有限公司 音频设备模拟输出端口上的数据输入
GB2552559A (en) * 2016-07-25 2018-01-31 Cirrus Logic Int Semiconductor Ltd Connectors for data transfer
CN112449283B (zh) * 2019-09-03 2022-05-17 深圳市维度创新实业有限公司 一种数字音频长距离传输方法
TWI756593B (zh) * 2019-12-05 2022-03-01 矽統科技股份有限公司 音訊資料處理電路及音訊資料處理方法
US11687483B1 (en) * 2021-12-05 2023-06-27 Western Digital Technologies, Inc. Embedded physical layers with passive interfacing for configurable integrated circuits
US11720318B2 (en) * 2021-12-17 2023-08-08 Motorola Solutions, Inc. Audio accessory with high and low impedance paths to a speaker, and a radio for the audio accessory

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187726A (en) * 1981-05-13 1982-11-18 Matsushita Electric Ind Co Ltd Digital circuit
FR2655446A1 (fr) 1989-12-05 1991-06-07 Portenseigne Radiotechnique Dispositif pour transferer des donnees.
WO1994003901A1 (en) * 1992-08-10 1994-02-17 Monolithic System Technology, Inc. Fault-tolerant, high-speed bus system and bus interface for wafer-scale integration
US5936424A (en) * 1996-02-02 1999-08-10 Xilinx, Inc. High speed bus with tree structure for selecting bus driver
US5870573A (en) * 1996-10-18 1999-02-09 Hewlett-Packard Company Transistor switch used to isolate bus devices and/or translate bus voltage levels
US6081863A (en) * 1998-03-13 2000-06-27 International Business Machines Corporation Method and system for supporting multiple peripheral component interconnect PCI buses by a single PCI host bridge within a computer system
JP2001188638A (ja) * 2000-01-05 2001-07-10 Mitsubishi Electric Corp 双方向バス回路
US6662260B1 (en) 2000-03-28 2003-12-09 Analog Devices, Inc. Electronic circuits with dynamic bus partitioning
US6725320B1 (en) 2001-02-08 2004-04-20 International Business Machines Corporation I2C bus switching devices interspersed between I2C devices
US7231531B2 (en) * 2001-03-16 2007-06-12 Dualcor Technologies, Inc. Personal electronics device with a dual core processor
US6980827B2 (en) * 2001-05-10 2005-12-27 Motorola, Inc. Audio accessory switching circuit
US7145903B2 (en) * 2001-09-06 2006-12-05 Meshnetworks, Inc. Multi-master bus architecture for system-on-chip designs
WO2003056790A1 (en) * 2002-01-04 2003-07-10 Koon Yeap Goh Multifunction digital wireless headset
US20040041902A1 (en) * 2002-04-11 2004-03-04 Polycom, Inc. Portable videoconferencing system
CN1206860C (zh) * 2003-01-16 2005-06-15 浙江南望图像信息产业有限公司 一种智能控制视频会议的混音系统及控制会议进程的方法
CN2605711Y (zh) * 2003-01-22 2004-03-03 张健 视讯终端装置

Also Published As

Publication number Publication date
GB0524101D0 (en) 2006-01-04
EP2128773A3 (en) 2009-12-09
CN1997057A (zh) 2007-07-11
EP2128773A2 (en) 2009-12-02
US7376778B2 (en) 2008-05-20
GB2432759A (en) 2007-05-30
US20070124526A1 (en) 2007-05-31
TWI434523B (zh) 2014-04-11
EP1791061A1 (en) 2007-05-30
ATE437408T1 (de) 2009-08-15
GB2432759B (en) 2008-07-02
CN1997057B (zh) 2012-01-18
DE602006007933D1 (de) 2009-09-03
EP1791061B1 (en) 2009-07-22

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