An audio MEMS sensor is an electro-acoustic transducer housing a sensor (MEMS) and an application-specific integrated circuit (ASIC) in a single package.
Audio capture is now an important element of ambient awareness. Contextual awareness and voice processing abilities contribute to a more unique and personalized user experience.
ST's audio MEMS sensor applicationsST audio MEMS sensors are designed to support new market opportunities in speech recognition and acoustic noise cancellation. The following markets and applications actively use these technologies:
- laptops and notebook computers
- smart speakers
- smart IoT
- gaming and AR/VR input devices
- predictive maintenance
- hands free calls and e-Calls
Discover the MEMS microphones portfolio
The ST portfolio for audio MEMS sensors includes analog and digital pulse-density modulation (PDM) interfaces and top and bottom port solutions. ST's MEMS microphones are available in metal and plastic packages.
Key benefits of ST audio MEMS sensors:
- high performance
- several performance modes
- low power consumption
- sensitivity matching
- high shock and temperature resistance
- small form factor
Improve audio experience in every environment with the MP23DB01HP
Our best-in-class acoustic overload point (AOP) and signal-to-noise ratio (SNR) makes ST audio MEMS sensors suitable for applications that require a very high dynamic range.
Very tight sensitivity matching allows optimization of beamforming and noise canceling algorithms for multimicrophone arrays.
Low power consumption products extend battery life.
Visit the MEMS microphone-main page for more information and relevant resources.
Digital bottom-port MEMS microphone with best-in-class acoustic overload point (AOP) handles input signals without distortion.
Very low current consumption (120uA), very flat frequency response (roll-off at 15Hz), ultrasound frequency range up to 80kHz, included in the 10 year longevity program.
Basic principles on which microphones are based, as well as a comparison between several microphone types.
MP23DB01HP enhancing STM32 based reference platform for Alexa voice services