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I think for a WiiM mini to control the volume on the digital output, it would need to scale down every sample. This is probably fine over some range (it has a 2
by rahimnathwani 2y ago
I think for a WiiM mini to control the volume on the digital output, it would need to scale down every sample. This is probably fine over some range (it has a 24 bit output, so putting the volume at two thirds, would still result in 16 bits, the same as CD). But I'm curious what would happen at very low volumes, e.g. if you're down to only 4 bits.
- mattclarkdotnet 2y agoEach bit is ~6dB, so 2/3 perceived volume is still 23 bits. 8 bits is 48dB, which is less than 1% of the original volume, and still using 16 bits
- TylerE 2y agoAnd this is why all computer audio should be 24 bit internally. A lot of the newer pro apps are actually using 32 bit floats
- rahimnathwani 2y agoToo late to edit my original comments. I am clearly mistaken about the relationship between amplitude and perceived loudness.