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All posts by electronic_engineer

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Delusional DAB arguments page
Saturday 19 February 2011 1:06PM

Briantist: perhaps Terry has 'acclimatised' to all FM stations transmitting in stereo, whereas many on DAB - including Radio 4 at times - broadcast in poor quality mono.

The scientific evidence proves that with good reception for both, all DAB transmissions (with the possible exception of Radio 3) have inferior sound quality to their FM equivalents. This is because far more DAB stations have been squeezed in than the system was designed for, so amount of data available for each is far too low.

Repeatable double-blind scientific tests show high frequencies are absent or distorted on DAB stations, and the stereo image is very poor. And even in areas supposedly covered by DAB, the signal level is lower than that defined as being necessary for reliable indoor listening.

Your opinions are, of course, welcome and interesting, but your comment that you have a 'small cheap DAB radio' says it all. With respect, perhaps you should try listening on a good-quality stereo system and considering the scientific evidence before posting the next of your many uncritical celebrations of the UK's obsolete DAB system.

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