[linux-audio-dev] more on damaging signals

Dave Griffiths dave at pawfal.org
Tue Jun 21 13:51:12 UTC 2005


> On Tue, Jun 21, 2005 at 01:17:21PM +0100, Dave Griffiths wrote:
>
>> * high dc offset
>> * very low frequency
>> * very high frequency
>
> Add 'High level at higher frequencies'. In most speakers
> systems, the HF unit will sustain considerably less power
> than the LF/MF parts.

added to the list - thanks

> High-end PA systems (using active crossover) can protect
> themselves by having separate limiters in each band. For
> a full range speaker system, ideally you'd want frequency
> dependant limiting. JAMIN will do this IIRC, if you can
> tolerate the delay.

I'd rather use jamin than write more code, but ideally I think I'd quite
like to get this sort of protection built into the selection of the
patches. It might be worth filtering it externally anyway I guess.

cheers,

dave




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