There is an interesting radio programme on acoustics/reverberation/impulses etc. produced by the BBC. It includes some nice examples of acoustics and spaces. It can be found at:

http://www.bbc.co.uk/radio4/science/...cshadows.shtml

The actual link to the audio is located under the picture:

http://www.bbc.co.uk/radio4/science/...ticshadows.ram

Emjoy.

Cheers,

Rudi
http://www.cazeaux.plus.com/uksc2005/

PS I don't know how long the BBC keep their repeat programmes online.