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Posted by fred-bloggs on 03/07/06 14:45
Ken C <cprstn54@nospam.att.net> wrote in
news:i3do029nabfm7k0u0e82r2uad2g7sglhd3@4ax.com:
> On 06 Mar 2006 10:04:32 GMT, "fred-bloggs"
> <fred-bloggs@hahahotmail.com> wrote:
>>It is irrelevant which encoder you use or how many channels the audio
>>has, at 16 kbps the resulting files will always be 2 kbytes for every
>>second of data.
>
> Your answer strikes me as counterintuitive, since mono would appear to
> need 1/2 the bandwidth of stereo. Could you please point me to a
> tutorial or other information source that would demystify this
> subject?
Sorry Ken, I've looked but I can't find a tutorial.
All I CAN say is that when talking about audio compression, users are
interested in the OUTPUT bit rate, irrespective of the format of the
input data. It MAY be that to obtain a stereo signal at 16 kbps, each
channel may be encoded at 8 kbps, but it is still referred to as 16 kbps
signal.
A compressed mono signal will always be better quality than stereo at the
same bitrate.
--
fred
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