The increasing use of voice-activated devices has put a spotlight on audio tests – making a case for open and closed loop testing, says Eric Hodges of Audio Precision. Classically, audio tests have ...

Audio Precision has unveiled the APx517B acoustic analyser designed, configured and built specifically for the production-line testing of consumer electronics that incorporate speakers and microphones ...

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 ...

The circuit is designed to produce an indicator that will show the peak level of audio signal as it exceeds the prescribed limit. The circuit is designed to produce an indicator that will show the ...

A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than refinement. A single sine-wave signal of about 1 kHz is normally ...