linuxaudio.org

On 26/04/11 21:52, Harry Van Haaren wrote:

quoted text
>

>

> On Tue, Apr 26, 2011 at 9:36 PM, andy baxter

>  > wrote:

>

>     I have a signal from a Supercollider program which goes into jack.

>     I want to adjust the signal level so it's as loud as possible

>     without clipping. Could someone tell me what is the loudest sound

>     that doesn't get clipped in dB, as measured by ardour or

>     meterbridge for example?

>

>

> To be nasty, 0dBFS... but that's not the answer you're looking for.

> JACK's audio is floating-point between -1 -> 1.

> Hence outputting all 0's is silence. If you scale your output to be

> between -1, 1 then you've got what you want.

>

> Note that inter-sample peaks in high frequencies will still go beyond

> your DAC's range, so there might be clipping in hardware... but I'm

> not too certain in that field.

>

> Cheers, -Harry

OK. I was aiming for about that, but I noticed that ardour's peak level

meters go into positive decibels as well.
thanks,
andy

_______________________________________________

Linux-audio-user mailing list

Linux-audio-user@lists.linuxaudio.org

http://lists.linuxaudio.org/listinfo/linux-audio-user