Re: Responce from Ofcom

Richard Evans wrote:
> DAB sounds worse than FM wrote:
>> Richard Evans wrote:
>>
>>> DAB sounds worse than FM wrote:
>>
>>
>>> Ok I realize since I wrote that, that the difference will be rather
>>> subtle. 32Khz would limit the audio to a range similar to FM. I'm
>>> not saying that that would be a problem, but personally it is a
>>> difference that I would notice. (provided that the audio was
>>> reasonable quality)
>>
>>
>>
>> You can test to see if you really would notice the difference by
>> encoding to MP3, once without a lowpass filter with a cutoff
>> frequency of less than 16 kHz and once without any lowpass filter.
>
> We are talking about different things.
>
> I was simply complaining about broadcasters who claim that they can
> lower sound quality without people noticing.


But they're not lowering the sound quality, they're reducing the audio
bandwidth, which should actually improve the audio quality compared to
if the full bandwidth was encoded.



--
Steve - www.digitalradiotech.co.uk - Digital Radio News & Info

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