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[ster4610]

I have an HP G70 running vista with 2gigs of RAM. I like to listen to 24 bit 88khz and 192khz FLAC files through a M2 Tech Young DAC. Will upgrading to 4 gigs improve sound quality?

[Matt]

Will upgrading to 4 gigs improve sound quality?

More memory might make your computer seem faster for multi-tasking, but it won't affect sound quality.

[ster4610]

Even when playing files from memory?

[steveklein]

even when playing files from memory. i suppose more could be put into buffer... but the sound quality won't be altered.

[ster4610]

If more could be buffered, wouldn't that reduce jitter? Also does anyone know what the maximum buffer size is?

[JimH]

It would have no effect on sound quality, in spite of the highly questionable information you may find on some audiophile sites on the Internet.

[dtc]

The maximum memory for memory play is 1 GB.  After 256MB it checks against available memory to avoid using swap. Only one track is tread into memory at a time.  The track  is loaded at the end of a track and during the gap. So, unless you have a track larger than 1 GB, there is no disk activity during the playing of that track.

If you are using async USB, the jitter is controlled by the USB device, not the PC, assuming the PC can keep the buffer full. If it cannot, then there are real problems.

Try it and  see, but most people do not hear any difference. The real key is to minimize the other activity on the system.