Small Signal Audio Design, 2nd Edition, by Douglas Self

Focal Press released the 2nd edition of Douglas Self’ Small Signal Audio Design originally published in 2010 and a valuable resource on audio circuitry, components and dealing with audio electronics. The second edition is expanded with ADCs and DACs, microcontrollers, more coverage of discrete op amp design, and a completely new chapter on headphone amplifiers.

Audioengine introduced its Audioengine B1 Premium Bluetooth Music Receiver, after several years experimenting with other wireless audio technologies. As the company explains, with the combination of aptX codec and high-quality audio circuitry make the B1 a high-fidelity audio component that easily integrates into any music system.

The PHA-2 headphone amplifier from Sony was named Best of Innovations at the International CES Innovations 2014 Design and Engineering Awards event for its effectiveness and great listening experience when used with portable audio players or smartphones. The PHA-2 headphone DAC/amplifier is part of Sony’s new line of High Resolution Audio products introduced in October 2013, along with the TA-A1ES integrated stereo amplifier.

Daniel Weiss founded Weiss Engineering in 1985. The company designs and manufactures digital audio equipment for mastering studios. Daniel graduated in 1979 with a BSEE from the HTL Rapperswil. Joined the Studer Revox company in 1979 as an Electronics Engineer. There he worked on analog anti-aliasing filters, test signal generators, sampling frequency converters and digital audio processing for a two channel DASH recorder. He left Studer in 1984 to start Weiss Engineering. Daniel is a Fellow of the AES and a Member of the IEEE.

It is good to see new product launches from the TEAC group’s pro audio brand after its recent acquisition by Gibson, especially this upgrade to the legendary DV-RA1000HD recorder. The new Tascam DA-3000 offers the same famous Burr-Brown (now Texas …

HiWave develops new wireless speaker platform HiWave offers a Bluetooth wireless speaker demonstrator that runs for 100 hours at normal levels from a single charge cycle. HiWave Technologies, a provider of innovative audio amplifier ICs, full-frequency range speaker drivers, and …