This Audio Precision technote discusses MEMS microphone and mic array measurements, including important considerations and a detailed example test procedure. In this technote, we discuss MEMS ...

#v200 The magnification rate of the sound pressure map was changed with the lens change. from Maix import utils #For checking and setting heap mem usage utils.gc_heap_size(2500000) #Heap mem heap ...

The simultaneous acquisition and measurement of signals from a microphone array presents a variety of challenges to developers seeking to evaluate their designs, says Joe Begin. Today’s smart devices ...

Abstract: The detection equipment based on a microphone array is widely used. At present, there are many redundant array elements in the microphone array, which significantly affects the main lobe ...

Abstract: Microphone array signal processing is significantly influenced by array parameters such as the number of sensors, array aperture, and array topology. These factors affect both the ...

Immersive audio is the new hotness in the recording world. Once upon a time, mono was good enough. Then someone realized humans have two ears, and everyone wanted stereo. For most of us, that’s where ...

Over ten years ago, a major smartphone manufacturer developed a demo of a smartphone with a ten-microphone array. It could pick out and hear a single person’s voice in a crowd – an amazing feature ...