Re: Sound editing & sonogram software on PC

[Dan Dugan <>]

Syd Curtis wrote:

>A lot of attention is being given in recent postings to the frequency scal=
e
>of sonagrams.  What about the relation between the time scale and the
>frequency scale?
>
>Imagine a note which is a glissando slide up in pitch.  Shorten the time
>scale relative to the frequency and it approaches a vertical stroke on a
>sonagram.  Lengthen it enough and the trace approaches horizontal.
>
>Anyone like to comment on the approaches adopted by various sonagram-type
>programs?

I use Spectrafoo, and the time scale is the weakest part of its
sonogram display. It just runs as fast as it can (limited by
processing power), you have no control over the "writing" rate. The
sonogram runs more slowly when other instruments are active.

-Dan Dugan


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