HeadWize - A non-profit site specializing in headphones and headphone listening. The HeadWize library contains articles, essays, projects and technical papers. There are also link lists and a headphone FAQ.

Acoustic Renaissance for Audio - Proposal for high-quality audio use of DVD.

AudioVideo101 - Dictionary of Audio and Video technology, with commuinity of devotees.

I Love DVD - Everything you needed to know about the shiny little disc including movie reviews, region codes and widescreen explained.

Audio Engineering Society - The audio professional society.

Audio-A-Go-Go - Fledgling site on audio equipment, the history of audio, with a discussion board.

ProStudio.com - Full on-line versions of premier printed publications for the professional in radio & television broadcast, live sound, sound recording, mastering, CD replication, animation and computer grahics, video editing, tape duplication and data production applications.

HAVi Audio Video Networking - Movement for an openly-licensable specification for networking digital home entertainment products.

Circuit Exchange International - Contains schematics, circuit analysis design and theory of circuit boards.

MPEG Audio Resources and Software - Technical resources for those interested in understanding better the Audio part of MPEG standard.

HDCD - High Definition Compatible Digital - Overview of HDCD technology, list of software and compatible hardware.

Williamson Labs - Tutorials and information on NTSC/RS-170, VCRs, Digital TV, Frame Buffers, TBCs, VGA, CGI, etc...

dts Online - Overview of dts (digital theather systems), its applications, consumer products and dts technology related coverages. Online store for dts related products.

HDTV Galaxy - HDTV consumer resource center.

Computer Dynamics - Facts, Q&A, definitions, etc. about flat panel displays.

Valves Unlimited Online - Information on valve, valve amp and vintage radio.

PassLabs--Projects - Theory, schematics, and construction direction on building several of Nelson Pass's revered High-End stereo equipment.

DVD info - Extensive DVD related links to understand DVD format technology.

Audio Electronics - Information, technique and schematics for hi-fi systems.

British Federation of Audio - Professional and commercial interest society.

Interactive Color Wheel - Java applet allows viewing of color relationships: Saturation, Hue, and Intensity.

How Stuff Works: Tape Recorder - Fully illustrated tutorial about magnetic recording, with related links.

Audio Asylum. - Forum for the exchange of audio-related knowledge: from DIY amplifiers to audiophile recordings.

How Stuff Works: Analog and Digital Recording - Illustrated guide to analog and digital recording. Includes a sound sample.

Ampage -- tube design discussion group. - Forum for musical instrument electronics amateurs, concentrating on tube amps.

Tube Database - Datasheets for about 3,000 vacuum tubes.

How Stuff Works: Camcorder - Basic explanation of the theory behind the workings of a video camcorder. Explanations of theory, formats, manufacturers, FAQ, and How-it-works.

Dazy Web Laboratories - Applications and source code for audio engineers; calculators, digital waveform generator, spectrum analyzer, oscilloscope, filter designer, etc.

ePanorama.net - Reference site for all electronics applications. In-depth tutorials on power supplies, testing, audio, microphones, amplifiers, motor control, basic electronics, lasers, radios, digital electronics, robotics, etc.

Altec Lansing Loudspeaker History - Dedicated to the history of Altec Lansing speakers.

Arens Attic: DIY Audio - Tube preamps, power amps and loudspeakers.

Tube CAD Journal - Active forum for exchange of tube audio ideas and technology.

Tubes Vs.Transistors -- a report. - An essay presented to the AES on the much-debated topic of the tonality of different amplifier technology.

World Tube Audio - Extensive list of links and topics on vacuum tube audio applications, projects, theory, design, etc. Boasts a "world's largest" tube audio links section.

DIY Audio Pages - Portal onto the world of do-it-yourself audio projects.

Valve Magazine - Devoted to high-end audio based on tube topology. Speakers, preamps, power amps, SET, etc. An active forum for the dissemination of the craft.

AUDIO PIECES, Eduardo de Lima - Analysis of single ended triode (SET) tube amplifiers. Extended treatment of output impedance.

Musical Instrument Tube Amp Building - Anthology of do-it-yourself instruction for designing and building tube-based instruments.

Vacuum Tube Circuitry for Audio -- Links. - Links to a host of tube audio sites including sites on musical instruments, theory and design, and fabrication.

Tactile Transducer FAQ - Mechanical bass device for home theater and other audio applications.

PC soundcard - ePanorama PC soundcard hardware page.

Steve Ekblad's Free Audio and Design - Free audio software and online enclosure (speaker) calculator. Links to software for filter, electronics, spectrum analyzer, loudspeaker, transformer, fast fourier transform, and noise design.