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Why is 16/48 not even an option? Don't most of the targets support that (iPods certainly do)?
Also, is there no means for bit-exact throughput?
If you're always upscaling everything that gets played to 32-bit and downscaling it back to 16-bit, even if the source files are already at 16/44, there's not really any benefit in doing the dithered transcode from 24/96 to 16/44 before loading an album onto the player. No matter what, you're still stuck with whatever algorithms Rockbox uses for dithering and downsampling, so you may as well still use the highest supportable resolution (24/96 at the moment).
If, for example, someone is only using the digital output, is the DSP system being bypassed? Is the resampling done even when using digital out? Is the resampling bypassed if the file is already at 44.1kHz? Is the DSP required when using ReplayGain (seems it would be)? It seems incorrect to say that the output is bit-exact if it has to go through the DSP and get resampled even when going through spdif.
Quote from: Packgrog on June 16, 2010, 01:57:03 PMIf, for example, someone is only using the digital output, is the DSP system being bypassed? Is the resampling done even when using digital out? Is the resampling bypassed if the file is already at 44.1kHz? Is the DSP required when using ReplayGain (seems it would be)? It seems incorrect to say that the output is bit-exact if it has to go through the DSP and get resampled even when going through spdif.As I said I think bit exact playback is possible, but I'm not sure. Since theres probably 3 people on earth using spdif in rockbox its not very interesting to me.
3?! I think you're vastly underestimating the popularity of the H1x0 for use with spdif. Perhaps it's only 3% of the people using Rockbox,
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