Radio Sweden offers some multichannel recordings.
http://www.sr.se/cgi-bin/mall/index.asp?ProgramID=2446
The site has an English version and it is so simple! You download the ZIP-file, unpack the WAV-file and burn it on a CD.
When you put it in your DVD player with DTS it will be recognized as 5.1 DTS multichannel recording.
It is an overwhelming impression. No hiss at all, nature all around you, birds, insects and even a church bell in the neighbourhood.Norrlanda marsh
Norrlanda marsh on the Island of Gotland surrounded by forest and field. An early morning in May You could hear the Snipe, the Yellowhammer, the Corncrake, the Chaffinch, the Redshank, the Willow warbler, the Linnet and distant the early morning bell of the medieval shurch, Norrlanda.
The recording are made in four channels. the microphones are placed in a square with the side of 25 cm.
Recording date, 18 of May 2005 at 7 o’clock.
Produced by: Björn Carlsson
DTS (42 Mb)
It is lovely!
There are other files too.
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Peter