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2014-10-07 MEMS mic ensures audibility in loud environments
The ST MP23AB02B, which claims to offer ultra-low distortion at less than 10 per cent at very high external sound-pressure levels, delivers ultra-low power consumption.
2005-11-01 MEMS mic enables thinner phone designs
The many advantages of MEMS microphones will inevitably win them a place in new cellphone designs
2005-09-30 Knowles Acoustics rolls out digital SiSonic SMD microphones
Knowles Acoustics announced its new digital series of SiSonic surface mount microphones that is based on the company's MEMS microphone technology.
2003-12-09 Kingstate device targets communication apps
Suitable for electronic appliances, multimedia devices, PDAs, digital still cameras and other communication products, the electret condenser microphones and miniature microphone units from Kingstate Electronics Corp. have a low start voltage and sensitivity of 38dB to 46dB. With a omnidirectional, noise canceling and unidirectional directivity, the product features a frequency range of 20Hz to 20kHz, standard operation voltage of 1Vdc, and current consumption of 0.2mA.
2007-10-04 Infineon, Hosiden co-develop silicon microphones
Infineon Technologies and Hosiden announced they have partnered on silicon microphones activities.
2006-11-20 Infineon rolls out tiny silicon MEMS mic
Infineon Technologies AG has unveiled a "miniature" silicon microphone for consumer and computer communications devices.
2004-07-08 Imperial condenser mic features -50dB sensitivity
Expanding it product portfolio, Imperial released condenser microphone units that feature an SNR of 58dB (min.) and have a sensitivity of -50dB4.
2007-07-02 Gear up for mobile-ready MEMS microphones
MEMS microphones are more robust against heat, RF and vibration than electret microphones. It also permits fully automated SMT manufacturing, resulting in greater design freedom and system cost advantages.
2008-06-30 FAN3800 application guide
The purpose of this document is to provide guidance for typical operation of and layout guidelines for the FAN3800 speaker drivers, a low-cost solution to integrate the discrete parts used in stereo and mono headset applications. It provides mono/stereo speaker drivers and a complete microphone interface. Manual and remote Send-End switching is also supported.
2007-09-11 Enabling digital microphones with CMOS
Preamplifiers implemented in modern submicron CMOS processes enable a wide range of improvements over traditional JFETs.
2007-11-12 Digital mics go direct to codecs, lose ADCs
Digital microphone pioneer Akustica Inc. said it has gained a design win in Texas Instruments Inc.'s latest stereo audio codec chips.
2006-04-03 Digital MEMS mic put on single chip
Microelectromechanical systems are the best possible successor to analog electret technologies; but so far, analog MEMS microphones have been largely relegated to a single market: hearing aids.
2006-09-18 Design low-noise microphones for laptops
The laptop is a challenging environment in which to embed microphones. Fortunately for the designer, there are several simple steps that can be taken to overcome many of the challenges in order to quickly achieve a high-quality audio input solution.
2009-03-16 Conference system packs automatic mic mixing
ClearOne has released the Converge Pro 880TA, its latest addition to the Converge Pro suite of professional audio products.
2006-04-03 CMOS MEMS allows designers to maximize tools, techs and processes
A breakthrough in monolithic devices, CMOS-based MEMS offers a cost-effective solution that goes from design to prototype in a matter of weeks.
2009-08-25 Bosch beefs up MEMS biz with Akustica acquisition
Robert Bosch North America agreed to acquire Akustica Inc., an innovator in the application of CMOS MEMS.
2008-11-03 Big players move into MEMS mic space
Once the darlings of startups, the MEMS microphone has a new entrant: Analog Devices Inc. has announced a major thrust into the fledgling MEMS mic market.
2012-01-19 Audio processor incorporates MEMS microphones
ST's Smart Voice device integrates an acoustic processing core with a tunable 10-band equalizer, a peak limiter, and gain and volume controls for mobile devices.
2014-09-22 Audio CODECs tout improved voice control, audio capability
The DA7322 and DA7323 from Dialog are geared for voice-centric applications found in the latest generation of tablets, wearables, webcam accessories and in-vehicle entertainment.
2009-10-06 Audio codec packs programmable digital filters
Maxim Integrated Products offers a low-power, stereo audio codec that integrates digital microphone support and programmable digital filters to deliver a richer audio experience to end users
2005-09-02 Akustica, SigmaTel team on microphones for PCs
Akustica Inc., a start-up developing acoustic components in silicon using MEMS manufacturing processes, has said it is collaborating with mixed-signal semiconductor supplier SigmaTel Inc. to promote a microphone array to computer manufacturers.
2011-01-20 ADI's MEMS mic features interchip sound, delivers hi-fi audio
ADI's iMEMs microphone is bundled with an industry-standard 24bit data integrated inter-chip sound or I2S interface, thus offering high-fidelity audio for industrial applications and non-handset consumer devices.
2013-09-18 Achieving better smartphone voice quality
Emerging audio processing algorithms can help smartphones address severe signal quality problems due to their physical design.
2004-03-05 Zarlink ADC boosts cellphone performance
Zarlink Semiconductor has developed an advanced digital microphone technology that boosts the performance of next generation cellphones.
2009-10-21 Voice switch saves space in two-way talk apps
The switch includes amplifiers for the power, receiver, line and microphone and a sending/receiving attenuator.
2000-12-11 Transmit gain adjustments for the MC34014 speech network
This application note discusses how to change the gain level of the MC34014 Telephone Speech Network to suit a particular microphone while not affecting other circuit parameters.
2006-05-12 Stereo audio CODEC with 1.2W speaker amp
AKM's single-chip 16-bit stereo A/D and D/A converter features a high-quality microphone equalizer and built-in microphone/headphone/speaker amplifier.
2008-03-03 Mic array amp enables more natural-sounding voice
National's PowerWise LMV1088 dual-input microphone array amplifier features far-field noise suppression technology that delivers more natural-sounding voice quality.
2011-10-26 MEMS mic enhances acoustic performance
STMicroelectronics has released an innovative MEMS microphone that combines convenient chip layout with superior acoustic performance.
2003-10-02 Hosiden connectors have 1.8N contact pressure
Hosiden has developed 2-pin connectors for connection between a microphone or a speaker and a PCB.
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