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2003-09-23 Earphone, microphone unit has square-type connector
SMK Corp. has released a stereo earphone, microphone device that features a square-shaped connector that is suitable for mobile phone apps.
2008-05-27 Digital and analog measurement units for digital CMOS microphone preamplifier ASICs
The purpose of this application note by Rebecca Reich for Analog Devices is to explain the difference between analog and digital values when measuring the input and output of a digital microphone preamplifier with an audio analyzer.
2009-04-07 Bluetooth headset is microphone-free
SMK has developed a full-duplex system microphone-free Bluetooth headset featuring an earphone unit that functions both as an earphone when listening and as a microphone when talking.
2004-12-01 Audio converter with built-in microphone, speaker amplifiers
AKM developed a low power consumption 16bit mono A/D and D/A audio converter that features built-in microphone and speaker amplifiers and automatic level control.
2013-05-06 Apple suppliers top MEMS microphone rankings
IHS noted that suppliers that had significant sales to Apple occupied the top 4 MEMS microphone ranks. Together the top 4 players last year commanded combined revenue of $513 million.
2012-10-23 Wolfson unveils HD audio MEMS microphones
The WM7121 and the WM7132 MEMS microphones feature feature matching phase responses and matching sensitivity, making them suitable for stereo recording.
2015-09-29 TSMC lays down MEMS mic, gas sensor plan
TSMC plans to use its advantages in being able to combine CMOS logic and MEMS sensors together to come up with innovative sensors and use cases.
2007-08-01 Tiny MEMS mic increases handset options
Akustica Inc. has unveiled a microphone that measures 1mm? and uses a MEMS diaphragm and on-chip complementary CMOS analog circuitry.
2002-10-09 TI preamplifier produces 1.3nV/sqrt-Hz noise
The INA217 preamplifier features a noise performance of 1.3nV/sqrt-Hz (1kHz) for 200-ohm source impedance.
2003-12-26 TI preamplifier IC eyes audio apps
Texas Instruments has introduced what it claims is the industry's first digitally controlled microphone preamplifier IC from its Burr-Brown Audio product line.
2002-03-25 Theory and construction of mic 'splitters'
This application note discusses the theory and construction of microphone-splitter transformers.
2015-11-25 The curious case of the maturing MEMS market
The fact that the MEMS market has not yet entered the mature phase by now, where its products become commoditised, indicates that something is preventing it from ripening.
2003-07-01 The benefits of Ethernet-based audio networks
This paper discusses how over the last few years, a significant trend has emerged in the professional installed sound industryusing Ethernet to distribute high-quality audio.
2007-11-20 Stereo codec touts TSC, mic, headphone amp
A low-power audio codec with a built-in microphone amplifier, touch-screen controller (TSC) and stereo headphone amplifier has been introduced by AKM Semiconductor Inc.
2012-06-06 ST plastic MEMS mic brings sleeker gadget design
ST claims that its novel microphone-assembly process ensures superior electrical and acoustic performance, unbeatable mechanical robustness and slimmer form factors.
2014-07-29 ST opens MEMS lab in Taiwan
With the increasing demand for advanced microphone applications in the Greater China region, it is imperative for ST to strengthen its local technology and application support.
2013-07-02 ST offers virtual lab for audio design
The Audio Processor Workbench claims to be the first solution on the market enabling comprehensive evaluation of a full audio and acoustic chain, from microphone to sound amplifier and output speaker.
2004-08-31 Ringford microphones units offer 10dB SPL
The new condenser microphone units from Ringford Products feature sensitivities ranging from -38dB4 to -46dB4.
2009-12-10 Preamplifier chips target miniature microphones
The rapid growth of cellphones, PCs, cameras and camcorders has grown annual microphone shipments to over 3 billion units.
2009-10-13 Preamp chipsets offer flexibility in pro audio apps
THAT Corp. has developed a digitally programmable microphone preamplifier that offers high performance and flexibility for designers of pro audio equipment.
2015-01-16 New applications to drive growth in 2015, beyond
The year 2015 looks likely to be a mixed bag of fortunes, says Francois Guibert at STMicroelectronics as he takes a look at what the future holds for MEMS and microcontrollers, bread and butter to his company.
2002-11-13 National ships "amps in a mic"
National Semiconductor announced the availability of two new amps that can be integrated directly inside 2- and 3-wire ECMs.
2010-02-05 More handsets to embrace MEMS mics
Google's Nexus One and Motorola's Droid marked the arrival of Active Noise Cancellation (ANC) technology in the cellphone market, which is expected to boost the market for MEMS microphones.
2002-07-09 Merry Electronics to inject $7M for Suzhou plant
Taiwan-based Merry Electronics Co. Ltd will invest $7 million for the construction of its second offshore plant in mainland China.
2013-02-28 MEMS mics make noise with 60% growth last year
IHS predicted that MEMS microphones shipments this year will climb by another 30 per cent to 2.66 billion units, to be followed by at least three more years of notable double-digit-rate increases.
2003-11-14 MEMS microphones seen to achieve high growth
The MEMS technology will grow from less than 1 percent of the 1.2B microphones sold worldwide in 2003 to 20 percent of the 1.6B units in 2006.
2008-10-23 MEMS microphones deliver clear sound recording
Wolfson has released a line of silicon microphones designed to bring crystal clear recording to multiple portable consumer devices.
2008-09-25 MEMS microphones are CE-bound
Analog Devices Inc. has created a microphone capable of high-fidelity A/V playback, conference calling, TIA-920-compliant VoIP, voice recognition, and other functions.
2010-03-19 MEMS mic shipments set for 35% growth this year
The Information Network forecasts that MEMS microphones will reach 25.5 percent of the worldwide microphone market, as shipments increase 35 percent to nearly 500 million units.
2014-07-07 MEMS mic gives 64.3dB SNR within 235?A
The device from Knowles uses three times less power than other digital MEMS microphones. It measures 20 per cent smaller, 3.5mm by 2.65mm by 0.98mm, and has the highest SNR of any low-power mic.
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