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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Re: Yeah right!!! posted by Peter Qvortrup on December 11, 2003 at 05:47:32:
"grossly" oversampled...it is sampled at a high rate, whether one considers this gross or not...I think the higher sampling rate, the better."Error signal" fed back- not really- a comparison is made to the previous digitizer output converted back to analog- I don't see in what sense this could be considered an error- it is very simply determining whether the current signal amplitude should drive the pulse density up or down.
"Butter and margarine"- as far as I know neither pulse code modulation nor pulse density modulation exist in nature, these are both manmade algorithms designed to store and recover a continuous analog signal in a string of digital bits. They are both quite simple and elegant in concept and of course far trickier in practice.
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Follow Ups
- this is a pretty biased description - tunenut 12/11/0317:20:30 12/11/03 (30)
- Re: this is a pretty biased description - Peter Qvortrup 00:19:48 12/12/03 (29)
- Re: this is a pretty biased description - tunenut 09:18:38 12/12/03 (4)
- Re: this is a pretty biased description - Peter Qvortrup 04:59:44 12/13/03 (3)
- thank you for your thoughtful replies - tunenut 12:29:37 12/13/03 (1)
- Re: thank you for your thoughtful replies - Peter Qvortrup 04:26:53 12/14/03 (0)
- Question for Mr. Q - rupertdacat 11:00:49 12/13/03 (0)
- Re: this is a pretty biased description - theaudiohobby 02:56:17 12/12/03 (23)
- Re: this is a pretty biased description - Peter Qvortrup 03:39:27 12/12/03 (22)
- Re: this is a pretty biased description - theaudiohobby 07:32:37 12/12/03 (14)
- Re: this is a pretty biased description - Peter Qvortrup 07:58:59 12/12/03 (13)
- So vinyl replay is not an abstraction eh...you chat crud... - theaudiohobby 08:09:12 12/12/03 (12)
- Re: So vinyl replay is not an abstraction eh...you chat crud... - Peter Qvortrup 08:21:50 12/12/03 (11)
- Re: So vinyl replay is not an abstraction eh...you chat crud... - chris.redmond2@bushinternet.com 17:05:04 12/14/03 (0)
- Re: So vinyl replay is not an abstraction eh...you chat crud... - theaudiohobby 13:28:08 12/12/03 (9)
- Re: So vinyl replay is not an abstraction eh...you chat crud... - Peter Qvortrup 03:12:43 12/13/03 (8)
- Let me refresh you memory. - theaudiohobby 18:38:20 12/13/03 (7)
- Re: Let me refresh you memory. - Peter Qvortrup 03:08:03 12/14/03 (6)
- Re: Let me refresh you memory. - theaudiohobby 13:26:08 12/14/03 (5)
- You Don't Get to Make the Rules - Bob Neill 13:47:25 12/14/03 (4)
- Re: You Don't Get to Make the Rules - theaudiohobby 01:32:48 12/15/03 (3)
- Re: You Don't Get to Make the Rules - Bob Neill 06:35:37 12/15/03 (2)
- Re: You Don't Get to Make the Rules - theaudiohobby 08:35:59 12/15/03 (1)
- Re: You Don't Get to Make the Rules - Bob Neill 09:03:24 12/15/03 (0)
- Re: this is a pretty biased description - soulvibrations 04:41:55 12/12/03 (6)
- somehow this morphed into analog vs. digital? - tunenut 09:24:29 12/12/03 (0)
- Re: Perhaps not so Biased - Peter Qvortrup 05:04:49 12/12/03 (4)
- Re: Perhaps not so Biased - soulvibrations 05:40:45 12/12/03 (3)
- Re: Perhaps not so Biased - Peter Qvortrup 05:49:35 12/12/03 (2)
- Re: Perhaps not so Biased - soulvibrations 05:56:34 12/12/03 (1)
- Re: Perhaps not so Biased - Peter Qvortrup 09:11:03 12/16/03 (0)
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