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Microphones

What’s the difference between network security and physical security?

April 12, 2022 By Randy Frank

Network security involves software and computer-based hardware/firmware to provide access to the authorized and restrict access to the unauthorized. In contrast, physical or brick and mortar security starts with sensors and, if the security system is connected to the internet, it also requires the same network security measures. Protecting a residence, commercial building or an […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Pressure Sensor, Sensor Fusion Tagged With: infineon technologies

How are ultrasonic MEMS sensors being used for 3D obstacle detection and collision avoidance?

April 4, 2022 By Randy Frank

In addition to radar, LiDAR and camera sensing used in 3D obstacle detection and collision avoidance in advanced driver assistance systems (ADAS) in vehicles, ultrasonic sensing has been used as well. Traditionally, the ultrasonic sensors used transducer-based technology to provide a microphone to transmit and receive the ultrasonic signal in passenger vehicle parking applications. Using Infineon’s […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Ultrasonic Tagged With: infineon technologies

How can a MEMS microphone be used in harsh environments?

February 21, 2022 By Randy Frank

The answer depends on how harsh of an environment and how much protection is required. For a microelectromechanical systems (MEMS) microphone, one of the most-harsh environments is the human body, since sweat and dirt can cause failures in traditional MEMS microphone architectures. Regarding the protection, the International Electrochemical Commission’s (IEC’s) IEC 60529 rating system defines different […]

Filed Under: Featured, Frequently Asked Question (FAQ), MEMS Sensor Technology, Microphones, Wearable sensing technologies Tagged With: infineon technologies

MEMS microphones feature SoundWire compatibility

January 7, 2022 By Redding Traiger

TDK Corporation has introduced the T5828 SoundWire MEMS microphone as part of the SmartSound family of performance products for mobile, TWS, IoT and other consumer devices. This family of high-performance microphones pushes the boundaries of microphone acoustic performance, providing advanced feature sets in small package footprints. The T5828 SoundWire MEMS microphone offers a high acoustic […]

Filed Under: MEMS Sensor Technology, Microphones, Other, What's Hot Tagged With: tdkcorporation

Can the AgeMeter help you?

June 24, 2021 By Randy Frank

Developed by Centers for Age Control, the AgeMeter takes user data and physiological biomarker tests to calculate functional age and provide other age-related feedback to users. Since it tests physiological biomarkers that decline with age, the AgeMeter can validate aging reversal as well as anti-aging therapies for healthcare practices, researchers, fitness programs and consumers. Intended […]

Filed Under: Featured, Flow, Frequently Asked Question (FAQ), Microphones, Touch Sensing Tagged With: centers for age control

How do microphone sensors fit into a smart home?

June 8, 2021 By Randy Frank

A quick search for “sensors in the smart home” can easily identify dozens of sensors – primarily for sensing physical properties. The results could be one of many specific sensing technologies or specific products. For example, one search showed: Fire/CO detection Leak/moisture detection Window & door open and close Video doorbell Smart thermostat Motion sensors […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones Tagged With: infineon technologies

How can environmental monitoring be improved?

May 13, 2021 By Randy Frank

With its recently announced Exo Sense Pi, Sfera Labs s.r.l. provides its answer to this question. It is a multi-sensor module with the Raspberry Pi 4 as its computing core. Offering specialized sensors and interfaces, the system provides easy and versatile integration with wide communication protocols support. Sensors for the Exo Sense Pi include: temperature […]

Filed Under: Featured, Frequently Asked Question (FAQ), Humidity, Infrared, Microphones, Motion, Temperature Tagged With: sfera labs s.r.l.

How can police locate where a gunshot came from?

February 5, 2021 By Randy Frank

Time is of the essence. When an active shooting occurs, the key to preventing and/or minimizing injuries and death is quickly identifying exactly where the shooter is, end the threat and then treat and transport victims. Gunshots have unique audio characteristics so microphones can detect and provide information for location analysis. With its ShotSpotter site […]

Filed Under: Featured, Frequently Asked Question (FAQ), GPS (Global Positioning System), Microphones, Time-of-Flight Tagged With: sst

What is photoacoustic spectroscopy (PAS)?

October 30, 2020 By Randy Frank

Identified in the 19th century, the photoacoustic effect allows the conversion of light into sound and has been employed in devices such as non-dispersive infrared absorption spectroscopy (NDIR), which was the first commercially available device to detect gases using this effect. Modulating the light intensity produces a periodic pressure variation, which is measured with a […]

Filed Under: Featured, Frequently Asked Question (FAQ), MEMS Sensor Technology, Microphones Tagged With: infineon technologies

What does it take to overcome audio noise?

October 2, 2019 By Randy Frank

At Sensor Expo 2019, Edoardo Gallizio from product marketing for MEMS & Sensors in the Americas at STMicroelectronics explains a voice recognition demo using sensor fusion that was development in conjunction with partner bdSound. The system is a reference design that uses ST’s MP23DB01HP digital microelectromechanical systems (MEMS) microphone and the LIS25BA audio accelerometer to […]

Filed Under: Accelerometer, Featured, Frequently Asked Question (FAQ), Microphones, Noise cancellation, Sensor-specific software Tagged With: bdSound, STMicroelectronics

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