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hobieboy

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  1. I am definitely simplifying, but the key actions to getting bits stored somewhere to the input of a DAC involves: reading the bits, storing-then-"forwarding" or streaming it towards the output. And somewhere in between, apply the upsampling / filtering / "magic" to form the output stream. Now, with typical transport (CD/SACD/DVD/...), the old school is really stream them to the output - everything that needs to be done (read/process/output) happens in real time. Recently, a crop of players claims that they either read the data off the source (disc, USB stick, NAS, ...), store them in memory first. To me this is what I called "memory player". This indeed is exactly like what a computer does. Except - they all claim to use a highly precise clock; plus potentially their secret upsample/filter/... mechanism & that they only do one thing. I'll be the 1st one to admit I don't know where the secret sauce is within PM, Decibel, Amarra, Foobar, ... but I'm simply curious if timing is a major factor that is affecting what we hear?
  2. Sorry that I wasn't clear enough in why I'm asking... As Barrow pointed out, many of these memory players are in fact a Linux computer built to do one thing (ok - there are other brands/models that I know but I used PWT for convenience) which is to extract data off the disc, then (per what they claim) add a much more precise clock for sending data out to the SPDIF interface. Hence got me thinking that: would improving the clock improve sound? We all know that different music player client (e.g. iTune, Pure Music, ...) makes different sound. I think its because of different filter scheme? different timing in sending date out the USB/FW interface? So would a device that can control timing better than software improve sound? For the record: I'm using a MacMini with 8G RAM feeding a Weiss Minerva via FW. I pinged Daniel Weiss about the different sound. His comments is that if each music player is bit perfect (they are) and the fact that the DAC is "driving" the clock, it should not make any difference. But we all know - they are different.
  3. Not sure where this question should go hence post it in the General Forum... I've been trying out different software players for Mac - Decibel, PureMusic, etc. Everyone of them is definitely better than iTune. And turning on "memory play" is definitely better sounding too. That got me thinking - Memory play sounds better probably because there's less jitter (no hard disk dependency). So, what about using something like the PS Audio PWT transport instead of a computer? The PWT is supposed to have way better clocks than the one using computer, or it should be as good as how software implements it. Thoughts?
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