Re: What's a transient?

On Mon, 24 Apr 2006 10:47:12 GMT, "Ian Iveson"
<IanIveson.home@xxxxxxxxxxxxxxxx> wrote:

I read quite often here about things people call "transients".

What are they, please? What have they got to do with valves?

Thanks,

Ian



A lot of folks loosely use transient to describe *any* signal that
might propagate through a system and usually to describe a systems
performance to *fast* transients as it compares to the attack of the
signal and it's leading (and trailing or decay) edges. The use of the
words fast and slow to describe a systems performance has grown out of
this.

A fast transient could be identified with a pulse or step function,
like a square wave, while a slow transient could be associated with a
sinusoidal waveform, generally speaking. Think for a moment what kind
of instruments would produce the various types of transients.

An amp with narrow bandwidth would have a poor response to fast
transients as high frequency (harmonic content) information might be
missing. So instead of saying an amp has a poor response to a kick
drum, someone might say it has a poor response to fast transients.
.

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