Actually, looking at it, I've been resampling 44.1/16 to 352.8/24 in Audacity. I really don't know the difference between up-sampling, resampling and upscaling. I do know there are sonic differences with the resampled .wav files sounding perhaps very subtly more revealing of the acoustical space around analogue non electronic instruments. I need to find time to do more testing, but I generally end up just enjoying the music and having a listening session. At 2.6GB for a 5 minute track, it is not something I will be doing seriously and I'm not sure it is worth pursuing when the Hugo2/2go sounds so right anyway.
-Upsampling means changing the sample rate up.
- Resampling could mean the above but up or down!
- upscaling could mean changing bitdepth to a higher value, sich as 16bit to 24.
All of the above, can be done dumb.
If you add eight zeros to 16bits, it becomes 24bit, but dynamic range won't change.
44.1kHz can be upsampled to 88.2, by repeating same data twice .
Under these conditions, the data just looks like 88.2/24 , in reality it hasn't changed.
But upsampling can be done, not dumb!
Chord dacs, buffer the data, then they look at the data, not just the current data, but looking at previous samples and future samples (hence the need for buffering ).
By doing a complex calculations, the DSP actually spits out new data samples to add in between existing samples.
If the maths is correct, the signal becomes true 88.2kHz if one extra sample was calculated, or 705.6kHz if 15 samples were calculated .
It is midnight in London, so i use that excuse to say, the above may have some errors, but in a nutshell , that's the gist of it.
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