Does upsampling of audiophiles makes sense in all cases, and let improve sound quality?
Fact is: upsampling does not add new information, it is like a photo picture, make it 2 times as big, and you donÂ’t get more pixels. With some software like photoshop it is possible to sharpen the picture, the new added pixels are all theoretical and artificial. With upsampling in audio the same: new bits are mathematically added, there is no new info.
When I visited an audio show, 2 technicians disagreed a bit about if upsampling is good or not, at another room, no discussion sadly.
The one said that adding new bits does give a better sound. Not because new info is added, but because the reconstruction filter in the dac could handle those high sample frequencies better giving a better analog signal as result.
The other one made very high quality non oversampling dacs, saying that those dacs are very good nos and donÂ’t need any upsampling at all. Think he is right about this, this set was one of the best sounding audiosets in the whole show, it was unbelievable good.
Half year ago, I acquired a new cd player, with all old philips running gear and lasers inside. Although the sound is limited to cd quality I wished that my streaming was that good. Currently my cd player wins on SQ
These are the reasons I have some doubts about upsampling: the experts donÂ’t agree and more important cd quality can sound very good. It might be that at the end upsampling does get a better result, but with my stuff I think that these high sample rates are not audible.