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Headroom

Matt

June 07, 2020 15:19

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To gain some headroom what do you guys suggest? Lowering input source from Volume Limit or the channel output?

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4 comments

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  HiFiBerry team June 07, 2020 20:47

  If you're talking about any DSP calculations, you don't need to lower the input volume. Internally there are >30dB headroom for a full-range signal which should be enough for most calculations. Just make sure that the signal on the output doesn't clip. 

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  Matt June 07, 2020 20:53

  I'm asking because I need to boost some frequencies and REW says to add some db for headroom.

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  HiFiBerry team June 07, 2020 20:54

  If you need to boost frequencies, you should reduce the overall volume by the maximum boost you want to implement.

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  HiFiBerry team June 07, 2020 20:55

  You can do this also on the output.