Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-13 Thread Jussi Laako
On 06/08/2010 12:10 AM, f...@kokkinizita.net wrote: quantisation noise, making the latter irrelevant. If your A/D converter is 24 bit, then analog noise will always dominate, so again quantisation noise is irrelevant. IMO, the important part is that practically none of the modern converters,

Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-13 Thread Jussi Laako
On 06/07/2010 11:41 PM, Philipp wrote: My guess is that quantisation noise is only something present between the input signal and its digital representation, and hence no change of the digital representations can do anything about it. It also applies always when the change in digital

Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-09 Thread Philipp Überbacher
Excerpts from fons's message of 2010-06-08 12:08:27 +0200: On Tue, Jun 08, 2010 at 08:53:43AM +0200, Philipp Überbacher wrote: So the actual problem isn't the noise but its correlation with the signal? Yes. I'm a bit curious about the first graph. The actual signal is the ~1kHz one,

Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-08 Thread Philipp Überbacher
Excerpts from fons's message of 2010-06-07 23:10:27 +0200: On Mon, Jun 07, 2010 at 10:41:07PM +0200, Philipp wrote: This is probably a stupid question. Not stupid, but maybe worded in a way that makes answering it quite impossible. You managed anyway, thanks ;) My guess is that

Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-08 Thread fons
On Tue, Jun 08, 2010 at 08:53:43AM +0200, Philipp Überbacher wrote: So the actual problem isn't the noise but its correlation with the signal? Yes. I'm a bit curious about the first graph. The actual signal is the ~1kHz one, but what are all the other 'spikes'? The quantisation error

[LAD] Does noiseshaping affect quantisation noise?

2010-06-07 Thread Philipp
This is probably a stupid question. My guess is that quantisation noise is only something present between the input signal and its digital representation, and hence no change of the digital representations can do anything about it. -- Regards, Philipp -- Wir stehen selbst enttäuscht und sehn

Re: [LAD] Does noiseshaping affect quantisation noise?

2010-06-07 Thread fons
On Mon, Jun 07, 2010 at 10:41:07PM +0200, Philipp wrote: This is probably a stupid question. Not stupid, but maybe worded in a way that makes answering it quite impossible. My guess is that quantisation noise is only something present between the input signal and its digital representation,