audioXpress April 2020 PDF

Volume 51
Issue 4
April 2020

• From the Editor’s Desk—State of the Headphones Industry,
  by J. Martins, p. 4
• MARKET UPDATE—Headphones to Hearables: Actively Enhancing our Hearing, by J. Martins and Mike Klasco, p. 8
• MARKET UPDATE—Voice: Tackling Voice Capture and Processing Technologies, by J. Martins, p. 22
• Objective Listening Effort Evaluation, by Hans W. Gierlich
  and Jan Reimes, p. 32
• AUDIO SCOPE—Loop Gain and Phase Margin Considerations in Applying Fully Differential Amplifiers to Active Filters, by Michael Steffes, p. 44
• Sound Cards for Data Acquisition in Audio: The Linear Audio Autoranger Mk II, by Stuart Yaniger, p. 48
• Powering Your Circuits (Part 3): AC Power Rectification and Smoothing,
  by Ed Simon, p. 56
• HOLLOW-STATE ELECTRONICS—Triode Power Amplifiers,
  by Richard Honeycutt, p. 60

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