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- DAB sound quality
- Bruce Varley
January 17, 2010, 12:12 am
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Hi, I ran the phone jack of my digital radio through to a reasonable amp &
speaker set. The sound is clean, but the dynamic range doesn't appear to be
very high, and the tone controls need to be bathtubbed to get good highs and
lows. I wonder if there's some significant compression being applied prior
to transmission. Is there, and if so why?
Re: DAB sound quality
Bit more investigation... turns out that there seems to be a pretty big
range of 'quality' from station to station, as judged by my ears. ABC in
particular seems to broadcast a more wishy washy sound, the country station
has bass you can scarcely hear, while some of the commercials are reasonably
punchy at the same settings. I also suspect from the sound that there could
be some envelope compression on some stations.
All the web blurb says that digital radio quality is very high, however
that's not what I'm finding universally. I guess there could be
recording/redistribution issues involved.