For everything to do with Ambisonic Surround Sound,
please visit elsewhere on this Web site
A proposal to include metadata in multi-channel sound files to indicate the preferred downmix to two-channel stereo.
Some advice on how to maximise the signal reaching your FM tuner.
For the financially challenged, here is a poor person's Dolby Surround decoder.
The definitive article on the Hafler Circuit was "A Year of Surround Sound" by Michael Gerzon published in Hi-Fi News, August 1971. This article is available from The Gerzon archive. (Micheal Gerzon was the "Brains" behind Ambisonics.)
How to solder electronic components using a soldering iron.
MP3 and other popular compression systems for audio use lossy compression. The DVD-Audio format includes the option of lossless compression using Meridian Lossless Packing (MLP). MLP is also incorporated into the Dolby TrueHD standard used in Blu-ray Discs. A paper describing MLP is available on the Meridian Web site.
There are a number of systems for lossless audio compression. Robin Whittle has provided an excellent set of resources comparing many of them.
Abhinay Mukunthan has also performed a more recent comparison of the various systems available (archived on the WayBack Machine).
Ambisonics, described elsewhere on this Web site, does not address a mechanism of sound localisation called pinnae colouring. Ralph Glasgol has developed a surround sound system which does this by synthesising early reflections and reverberation. More details are available on the Ambiophonics Web page.
For your convenience, the excellent article, Introduction to [Dolby] surround sound by Bob Niland has been provided.
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