Analog Devices has presented a new MEMS microphone based on their iMEMS process which was previously mostly used for accelerometers.
The new microphone (ADMP412 PDM) has digital output, extremely good signal-to-noise 61-dB A-weighted, is capable of high-fidelity audio-video playback, conference calling, voice recognition, VoIP compliant and is aimed specifically at the consumer product market.