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July 6th, 2008

UK "Special Information" or "tritone"/"triple tone", heard on UK land lines. I reproduced it from the ETSI ETS300-001 specification.

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Type
Wave (.wav)
Duration
00:02:010
Filesize
173.2 KB
Samplerate
44100.0 Hz
Bitdepth
16 bit
Channels
Mono
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