Subject: Re: Fwd: Re: Re[2]: [linux-audio-dev] peakfiles and EDL's
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Fri Mar 02 2001 - 12:27:51 EET
On Thu, Mar 01, 2001 at 12:40:18PM -0500, Paul Barton-Davis wrote:
> [ RMS instead of peak ]
>
> true. and it has me thinking that computing the RMS value for the
> window would actually be a lot nicer in many ways than using peak
> values. the only problem i can see is that the peak values preserve DC
> offsets, whereas a single RMS value does not, and this could be a
> problem. but given that any sampled audio sound is really being stored
> as a series of amplitudes, it somehow seems more fitting to actually
> use something more like RMS than peak data ...
>
> any comments ?
It might make a nice alternative to digital peak, but for all the reasons
people have given here you do want a +ve/-ve high/low peak display too.
- Steve
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