GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Didital Things
In the Thread: High Quality Music Server / CD player

Post Subject: Yes and no. Still, it does not answer the question and PS.Posted by alexd on: 12/19/2008

Well, the issue you are talking about is very complex. You have many components in your signal chain, that contribute to the noise and signal quality,
not only in power supply,but also in the signal chain ckts. The USB A/D converters have their own power supplies, though they use USB power as an input,
they still condition power internally. So you will have diminishing results just by improving power supplies only in your DAW.
The issue of properly handling FM signal is related to the capabilities of your A/D converters. Your A/D converters have analog and digital anti-aliasing filters and delta-sigma modulated A/D chips.
These chips and filters add their own signature to the sound. If you look at the CD/DVD mastering studio's equipment, you will see infinite level of controls on all the input gain, filter anti-aliasing filters, clock generator circuits, etc..
Even then, every recording is highly depended on recording engineer's taste and skills. In your home set-up, you have very limited control, almost everything, except gain is preset.
As I said before, this is not only power supply issue.
Regards,
Alex

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