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Re: [ARSCLIST] Mono CD transfer
On 03/07/04, Steven C. Barr wrote:
>> I haven't worked with Sound Forge in a while, but I can remember
>> that when mono files were made from stereo ones, Sound Forge would
>> sum the two channels into one. This resulted in a 3 db gain in the
>> new mono file. Is this still the case the current version of Sound
>> Forge? I'm just mentioning this because sometimes people don't
>> realise that this can be happenning to their new mono file versions
>> of two channel ones. You can do a test by taking a 1 kHz tone and
>> see if it goes up in volume when you play back the mono copy.
>> Surely that would give clipping?
> Clipping in the sense of exceeding the maximum level accepted by the
> software...or clipping by whatever is being used to play back the
> recording/sound file?
>
> Presumably the former would produce perfect clipping...that is,
> whenever the maximum allowable size of an internal variable is
> reached, the software just stores that maximum value (i.e. 32767)
> which produces waveforms with perfectly flat tops. The latter has
> essentially unpredictable results...
The former. Digital clipping is nasty.
Regards
--
Don Cox
doncox@xxxxxxxxxxxxxx