On Saturday, July 16, 2016 11:17:10 AM EDT Robert Edge wrote: > There is no actual analog volume control on the 1010LT's RCA inputs, it's > just doing multiplication on the captured signal after the ADC. What - did I read that right? This card definitely has analog volume input control. The 'Analog Volume' mixer tabs in Envy24 or Mudita24 control it. > If you are > clipping the input turning the volume down in the software interface just > gives you a scaled down version of the clipped signal. > > It is better to monitor the actual numbers coming off of the ADC chip. > That way 0 dbFS on your meter in Ardour or whatever is actually 0dbFS at > the ADC. > > In Envy24 control that means setting the 'analog volume' slider to 127, > that's where you are actually seeing what's coming off the chip. Above > that and the captured signal is being scaled up and below that the captured > signal is being scaled down. Control your input level in the analog world > before you hit the card. Shoot for peaks around -12dbFS. > > Also: there are jumpers on the card itself, you can use the XLR inputs as > line level balanced ins. In my experience that's the best fidelity you can > get with this card. BTW About the jumpers that control input level: There are undocumented 'in-between' jumper settings for the input level. (The jumpers just switch various resistors in or out.) I discovered the settings and was forced to use them when the existing choices of levels were not quite enough for me. Tim. > > (been using a 1010LT on Linux since 2006 or so...) _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
