That's the test-equipment hardware challenge. Equally or more important is knowing how to make the measurements. The plusses and minuses of simply measuring audio amplitude take up a page and a half ...

The author is technical publications manager and a senior technical writer at Audio Precision in Beaverton, Ore. When reduced to its basics, the process of audio test and measurement is concerned with ...

What's required in a source for mixed-signal test. Key factors in achieving low distortion. Designing a signal-generation path. What is digital predistortion (DPD)? Using LDOs to power the test system ...

The new test-and-measurement challenge is coming from the convergence of two forces. One, as previously mentioned, is the increasing capacity for digital bit streams to provide quality audio. To be ...

Most wireless headphones and speakers rely on some type of digital signal processing. Here's what you need to know about DSP—and why it's hard to avoid. I've been a contributing editor for PCMag since ...

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 ...

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