|
Computer Audio Asylum Music servers and other computer based digital audio technologies. |
|
|
|
Computer Audio Asylum Music servers and other computer based digital audio technologies. |
|
In Reply to: The answer to your bafflement posted by fmak on June 15, 2013 at 11:28:21:
Polluted is not a very scientific term here. Exactly how does the SMPS noise affect the USB interface or the computer doing computation and data transfer?Are you talking about conducted emissions back into the AC power?
Here is another data point: I changed to faster more tightly coupled SMPS for my DAC and the dynamics and noise floor both improved. This new supply does however have linear regulators following the switchers. This says that its probably not the conducted noise back into the AC line that is reducing the dynamics.
I've heard SMPS cause a tiny buzz in the audio output when they are plugged into the same circuit as an amplifier, but no change in dynamics.
Edits: 06/17/13
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups Full ThreadTopic - Baffled about computer power - audioengr 18:34:13 06/14/13 (125)
- RE: Baffled about computer power - theob 06:52:07 06/18/13 (24)
- Simple - audioengr 11:52:24 06/18/13 (20)
- RE: Simple - theob 11:54:19 06/18/13 (19)
- RE: Simple - audioengr 18:56:30 06/18/13 (18)
- Beauty of PC - if you're OK with switching regulators (and you seemingly are, since you're using Mac),... - carcass93 11:22:23 06/20/13 (0)
- they require more power feeds - fmak 22:00:28 06/18/13 (12)
- it is completely true.. I would have thought you'd know, and you don't seem to. - bwb 07:37:38 06/20/13 (11)
- Every PC I've seen has ... - fmak 08:10:03 06/21/13 (2)
- you silly boy - bwb 08:40:27 06/21/13 (1)
- Silly are - fmak 05:10:04 06/22/13 (0)
- RE: it is completely true.. I would have thought you'd know, and you don't seem to. - Bob_C 17:38:24 06/20/13 (3)
- really? yes indeed - bwb 22:14:42 06/20/13 (2)
- I haven't bothered to keep up with PC motherboards so my statement is completely true - fmak 23:11:52 06/22/13 (0)
- RE: really? yes indeed - Bob_C 22:49:47 06/20/13 (0)
- Thinks he knows it all..... - AbeCollins 09:18:06 06/20/13 (3)
- Sigh - the ignorance of some MAC users - fmak 08:07:21 06/21/13 (2)
- Sigh - the ignorance of fmak - AbeCollins 22:44:21 06/21/13 (1)
- More ignorance - fmak 05:11:10 06/22/13 (0)
- RE: Simple - Bob_C 20:20:03 06/18/13 (3)
- how did you get that from what was said? - bwb 07:39:32 06/20/13 (2)
- RE: how did you get that from what was said? - Bob_C 08:18:58 06/20/13 (1)
- ok, I got the sarcasm part - bwb 09:21:40 06/20/13 (0)
- they must derived internally from DC-DC converters or regulators but probably the first - bwb 08:56:58 06/18/13 (2)
- RE: they must derived internally from DC-DC converters or regulators but probably the first - AbeCollins 09:35:29 06/18/13 (1)
- RE: they must derived internally from DC-DC converters or regulators but probably the first - audioengr 11:55:02 06/18/13 (0)
- RE: Baffled about computer power - Say 19:04:13 06/17/13 (0)
- RE: Baffled about computer power - ted_b 20:22:36 06/15/13 (8)
- RE: Baffled about computer power - Tony Lauck 08:51:40 06/16/13 (5)
- RE: Baffled about computer power-Radiation - fmak 00:17:27 06/17/13 (0)
- RE: Baffled about computer power - Ugly 09:52:04 06/16/13 (3)
- RE: Baffled about computer power - Tony Lauck 10:19:00 06/16/13 (2)
- Check out EN61000-3-2 nt - Ugly 11:11:35 06/16/13 (0)
- RE: Baffled about computer power - Ugly 11:01:35 06/16/13 (0)
- RE: Baffled about computer power - DrChaos 22:23:20 06/15/13 (1)
- RE: Baffled about computer power - Tony Lauck 09:01:00 06/16/13 (0)
- So, is anyone using: - audioengr 10:45:11 06/15/13 (9)
- RE: So, is anyone using: - John Swenson 13:40:59 06/17/13 (1)
- RE: So, is anyone using: - audioengr 21:22:06 06/17/13 (0)
- The answer to your bafflement - fmak 11:28:21 06/15/13 (4)
- RE: The answer to your bafflement - audioengr 11:14:04 06/17/13 (0)
- RE: The answer to your bafflement - DrChaos 22:19:45 06/15/13 (1)
- Quite possibly true - fmak 00:16:32 06/16/13 (0)
- .More - fmak 11:39:47 06/15/13 (0)
- RE: So, is anyone using: - Mercman 11:12:20 06/15/13 (1)
- RE: So, is anyone using: - audioengr 18:52:46 06/15/13 (0)
- RE: Baffled about computer power - Recorder 01:01:03 06/15/13 (2)
- RE: Baffled about computer power - audioengr 10:21:45 06/15/13 (0)
- Based on previous posts..... - mitch2 09:13:22 06/15/13 (0)
- Is your DAC USB powered? - John Elison 23:34:19 06/14/13 (1)
- No - audioengr 10:23:31 06/15/13 (0)
- RE: Baffled about computer power - Jaundiced Ear 22:16:31 06/14/13 (21)
- RE: Baffled about computer power - audioengr 10:26:26 06/15/13 (20)
- RE: Baffled about computer power - Jaundiced Ear 01:00:55 06/16/13 (18)
- RE: Baffled about computer power - audioengr 18:14:00 06/16/13 (13)
- RE: "Just because you are an engineer does not mean that you have all of the answers." - rick_m 13:14:52 06/17/13 (0)
- RE: Baffled about computer power - Jaundiced Ear 19:27:35 06/16/13 (11)
- Musical Dynamies not equal to DNR - Tony Lauck 07:36:56 06/17/13 (10)
- RE: Musical Dynamies not equal to DNR - Jaundiced Ear 20:44:13 06/17/13 (9)
- RE: Musical Dynamies not equal to DNR - Tony Lauck 07:04:19 06/18/13 (8)
- RE: Musical Dynamies not equal to DNR - Jaundiced Ear 19:30:39 06/18/13 (7)
- RE: Musical Dynamies not equal to DNR - Tony Lauck 20:06:03 06/18/13 (6)
- RE: Musical Dynamies not equal to DNR - Jaundiced Ear 21:14:45 06/18/13 (5)
- RE: Musical Dynamies not equal to DNR - Tony Lauck 07:49:10 06/19/13 (4)
- RE: Musical Dynamies not equal to DNR - Jaundiced Ear 20:11:25 06/19/13 (2)
- RE: Musical Dynamies not equal to DNR - Mercman 02:55:37 06/20/13 (1)
- RE: Musical Dynamies not equal to DNR - Tony Lauck 12:48:29 06/20/13 (0)
- RE: Musical Dynamies not equal to DNR - Mercman 15:44:58 06/19/13 (0)
- "Measured" not same as "Measurable" - Tony Lauck 08:44:27 06/16/13 (0)
- RE: Baffled about computer power - ted_b 07:32:11 06/16/13 (2)
- RE: Baffled about computer power - Jaundiced Ear 16:07:12 06/16/13 (1)
- RE: Baffled about computer power - Tony Lauck 07:50:18 06/17/13 (0)
- RE: Baffled about computer power - DrChaos 22:24:25 06/15/13 (0)
- RE: Baffled about computer power-Why baffled? - fmak 22:11:46 06/14/13 (0)
- RE: Baffled about computer power - EmailTim 21:40:43 06/14/13 (1)
- RE: Baffled about computer power - audioengr 10:28:10 06/15/13 (0)
- RE: Baffled about computer power - Sprezza Tura 19:23:05 06/14/13 (0)
- RE: Baffled about computer power - Bob_C 19:07:06 06/14/13 (29)
- RE: Baffled about computer power - audioengr 10:31:53 06/15/13 (0)
- RE: Baffled about computer power - EmailTim 19:52:15 06/14/13 (27)
- RE: Baffled about computer power - Bob_C 20:17:45 06/14/13 (26)
- RE: Baffled about computer power - Tony Lauck 11:02:52 06/15/13 (3)
- RE: Baffled about computer power - Bob_C 11:35:48 06/15/13 (2)
- RE: Baffled about computer power - theob 04:41:35 06/17/13 (1)
- RE: Baffled about computer power - Bob_C 06:40:04 06/17/13 (0)
- RE: Baffled about computer power - EmailTim 20:23:21 06/14/13 (21)
- RE: Baffled about computer power - Bob_C 20:45:51 06/14/13 (20)
- RE: Baffled about computer power - EmailTim 20:54:37 06/14/13 (19)
- RE: Baffled about computer power - Bob_C 21:01:10 06/14/13 (18)
- RE: Baffled about computer power - EmailTim 21:11:51 06/14/13 (17)
- Long term - fmak 00:22:14 06/16/13 (13)
- RE: Long term - Tony Lauck 19:40:31 06/19/13 (1)
- Current demand spikes - fmak 11:34:17 06/21/13 (0)
- RE: Long term - audioengr 11:57:25 06/18/13 (10)
- RE: Long term-I said - fmak 22:04:42 06/18/13 (9)
- RE: Long term-I said - audioengr 19:40:35 06/19/13 (8)
- RE: Long term-I said - theob 04:14:30 06/20/13 (2)
- RE: Long term-I said - audioengr 19:05:46 06/20/13 (0)
- RE: Long term-I said-He - fmak 06:47:14 06/20/13 (0)
- RE: Long term-I said - Bob_C 22:15:14 06/19/13 (1)
- RE: Long term-I said - audioengr 19:08:18 06/20/13 (0)
- PS wil cut it is to try it - fmak 22:02:29 06/19/13 (2)
- RE: PS wil cut it is to try it - audioengr 19:10:40 06/20/13 (1)
- RE: PS wil cut it is to try it - fmak 09:06:10 06/21/13 (0)
- RE: Baffled about computer power - Bob_C 21:24:07 06/14/13 (2)
- RE: Baffled about computer power - EmailTim 11:16:55 06/15/13 (1)
- RE: Baffled about computer power - Bob_C 11:49:47 06/15/13 (0)
- RE: Baffled about computer power - Sprezza Tura 19:02:40 06/14/13 (17)
- Servers - audioengr 10:38:54 06/15/13 (1)
- RE: Servers - Sprezza Tura 16:22:50 06/15/13 (0)
- Take apart a purpose built music server and what do you find? - bwb 20:21:58 06/14/13 (14)
- I have - fmak 01:00:53 06/16/13 (1)
- RE: I have - Bob_C 08:23:15 06/16/13 (0)
- RE: Take apart a purpose built music server and what do you find? - Sprezza Tura 21:20:52 06/14/13 (11)
- RE: Take apart a purpose built music server and what do you find? - audioengr 10:40:52 06/15/13 (5)
- RE: Take apart a purpose built music server and what do you find? - Sprezza Tura 16:24:17 06/15/13 (2)
- FLAC compression amount - Tony Lauck 08:33:58 06/16/13 (1)
- RE: FLAC compression amount - Sprezza Tura 10:19:45 06/16/13 (0)
- RE: Take apart a purpose built music server and what do you find? - Tony Lauck 10:55:14 06/15/13 (1)
- RE: Take apart a purpose built music server and what do you find? - audioengr 18:18:44 06/16/13 (0)
- now that I think about it ... people who buy dedicated streamers are the slaves - bwb 07:17:12 06/15/13 (4)
- RE: now that I think about it ... people who buy dedicated streamers are the slaves - Sprezza Tura 08:00:26 06/15/13 (3)
- Slave to flexibility? Come on now... only if one suffers from OCD - AbeCollins 12:28:30 06/15/13 (2)
- RE: Slave to flexibility? Come on now... only if one suffers from OCD - Sprezza Tura 16:27:47 06/15/13 (0)
- RE: Slave to flexibility? Come on now... only if one suffers from OCD - Old Listener 16:27:43 06/15/13 (0)
- That just can't be so... - Ivan303 18:53:28 06/14/13 (0)
Follow Ups
- RE: The answer to your bafflement - audioengr 11:14:04 06/17/13 (0)
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2025, Audio Asylum, all rights reserved ]
