[Ardour-Dev] Fwd: [Ardour-Cvs] Ardour source branch meterbridge updated. 3.2-153-gf885622

[Jörn Nettingsmeier]

On 07/07/2013 12:48 AM, Robin Gareus wrote:
> On 07/06/2013 10:48 PM, Jörn Nettingsmeier wrote:

>> when i overload my micstasies, the peak indicator will show 0.0dB but
>> not turn red
>
> It will only turn red when the absolute signal value is >= 1.0.
> (now this value is configurable).
>
>> so i've learned to look for the numbers rather than the
>> color. of course, it could also be that the preamp does not ever deliver
>> fullscale for some reason...
>
> Can it be that the Micstasy uses integer PCM and never produces a peak?

of course it uses integers - it's an AD converter.

> e.g with 16-bit audio it sends 2^15 -1 rather than 2^15. That rounds to
> -0.0dB but is still less than 1.0 in jack.

ah, thanks for the explanation. so the threshold for the red light 
should probably be lowered to "more than N samples >= (float)(2^15 - 1)".

>> btw, i should have written to you about it, but i've been using the
>> video timeline for a little project last week (usual workflow: video guy
>> decides edits and delivers the final video with rudimentary guide track
>> from built-in mics).
>
> That's exactly the envisaged work-flow.
>
>> worked like a charm, thanks a lot!
>
> It's great to hear success stories rather than bug-reports for a change.
> Keep them coming!

sure :)




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