Volume Control Technologies
Fix the Weakest Link in the Audio Chain! A playback system's volume control is often one of the weakest links in the audio chain. This is especiall...
Audio Application Notes
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Jitter and its Effects
By John Siau and Allen H. Burdick This paper addresses these questions: How and where do I measure jitter, and how do I eliminate it? How does s...
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The "0-Ohm" Headphone Amplifier
An Introduction to "The 0-Ohm Headphone Amplifier" White Paper The circuits used to drive headphones are often added to a product without careful c...
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Measuring Mic-Preamp Noise
By Allen H. Burdick To perform valid noise level measurements, two specific conditions must be established: A 150 Ohm source impedance A 20 kHz me...
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Building the L-R Null Test Set
By Allen H. Burdick In the process of broadcast matrix encoding and decoding, balancing amplitudes between the two channels of a stereo audio path ...
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