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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: Nope, this isn't right, Let me try to explain dither. posted by Todd Krieger on June 16, 2006 at 13:58:52:
First, when the original signal is +- 1/2 lsb, the nondithered signal will be between zero or a 1 lsb square wave or pulse train. You can't say which, because you have no control over the real ADC's zero level.Then, the unfiltered signal will average to the level of the sine wave plus the dither energy.
The filtered signal likewise.
Only when you have oversampling will any noise disappear.
Oversampling is not dithering. Noise shaping and oversampling are techniques independent from dithering.
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Follow Ups Full ThreadTopic - How low is too low - morricab 08:18:12 06/15/06 (126)
- Here's what I would do... - gymwear5@hotmail.com 14:21:23 06/16/06 (0)
- So low they are given it away - tomservo 18:00:00 06/15/06 (13)
- The audibility of deep bass research is all wrong - Richard BassNut Greene 09:46:34 06/16/06 (12)
- Re: The audibility of deep bass research is all wrong - tomservo 13:15:04 06/16/06 (0)
- Re: The audibility of deep bass research is all wrong - Dan Banquer 10:21:53 06/16/06 (10)
- Room resonances and room noises are usually more audible and more important than subwoofer harmonic distortion - Richard BassNut Greene 12:09:15 06/18/06 (8)
- Re: Room resonances and room noises are usually more audible and more important than subwoofer harmonic distortion - Soundmind 05:05:29 06/19/06 (7)
- Playing the devil's advocate - Ted Smith 13:12:57 06/19/06 (6)
- Re: Playing the devil's advocate - Soundmind 16:21:42 06/19/06 (5)
- Re: Playing the devil's advocate - Ted Smith 16:28:52 06/19/06 (4)
- Re: Playing the devil's advocate - Soundmind 02:43:23 06/20/06 (3)
- Re: Playing the devil's advocate - Ted Smith 09:38:20 06/20/06 (2)
- Re: Playing the devil's advocate - Soundmind 10:36:50 06/20/06 (1)
- Re: Playing the devil's advocate - Ted Smith 14:57:18 06/20/06 (0)
- Hard problem. - real_jj 11:37:42 06/16/06 (0)
- Some basic numbers... - real_jj 11:12:06 06/15/06 (2)
- Re: Some basic numbers... - morricab 13:18:48 06/15/06 (1)
- It's not "some critical bands", rather - real_jj 13:47:12 06/15/06 (0)
- I'm not an expert, but... - Al Sekela 11:10:41 06/15/06 (5)
- Here's the article morricab was referring to - andy_c 11:48:59 06/15/06 (4)
- What is 'nonlinear distortion?' - Al Sekela 15:24:34 06/15/06 (3)
- Re: What is 'nonlinear distortion?' - andy_c 16:21:52 06/15/06 (2)
- Yes, thanks, but this assumes distortion gets smaller - Al Sekela 12:28:54 06/16/06 (1)
- "crossover" (zero crossing) distortion in particular... - real_jj 13:59:58 06/16/06 (0)
- Re: How low is too low - Ted Smith 10:05:11 06/15/06 (95)
- Re: How low is too low - Soundmind 11:18:44 06/15/06 (94)
- ? - Ted Smith 11:27:14 06/15/06 (93)
- Re: ? - morricab 13:30:15 06/15/06 (1)
- Re: ? - Ted Smith 14:00:12 06/15/06 (0)
- Re: ? - Soundmind 11:46:36 06/15/06 (90)
- Re: ? - Ted Smith 14:19:59 06/15/06 (4)
- Re: ? - Soundmind 11:13:17 06/17/06 (3)
- no that's not right - tunenut 13:30:14 06/15/06 (83)
- Re: no that's not right - Todd Krieger 15:11:00 06/15/06 (61)
- I'm not taking sides in your war but this statement is just plain wrong - Soundmind 05:54:24 06/18/06 (0)
- No, Todd, again with that myth... - real_jj 16:47:12 06/15/06 (59)
- Oh, and retract your claim below that I am a fraud. - real_jj 16:50:34 06/15/06 (58)
- Opening Up Your Own Wounds..... - Todd Krieger 10:13:26 06/16/06 (57)
- Once again, you will retract your accusations immediately. - real_jj 10:38:41 06/16/06 (56)
- Why Can't You Just Post a Brief Explanation, In Laymen's Terms??? - Todd Krieger 11:55:10 06/16/06 (55)
- Oh, and your explaination of dither is wrong, too... - real_jj 12:10:49 06/16/06 (45)
- Re: Oh, and your explaination of dither is wrong, too... - Todd Krieger 12:21:55 06/16/06 (44)
- Nope, this isn't right, Let me try to explain dither. - Ted Smith 13:10:43 06/16/06 (34)
- Re: Nope, this isn't right, Let me try to explain dither. - Todd Krieger 13:42:58 06/16/06 (33)
- Re: Nope, this isn't right, Let me try to explain dither. - Ted Smith 13:50:26 06/16/06 (32)
- Re: Nope, this isn't right, Let me try to explain dither. - Todd Krieger 13:58:52 06/16/06 (3)
- Nope.... - real_jj 14:03:54 06/16/06 (2)
- Re: Nope.... - Todd Krieger 14:27:33 06/16/06 (1)
- Got anything to say, Todd? - real_jj 20:00:32 06/16/06 (0)
- this is, I believe, his point - tunenut 13:58:39 06/16/06 (27)
- I know, but - Ted Smith 14:12:42 06/16/06 (25)
- Maybe This Would Help.... - Todd Krieger 15:07:43 06/16/06 (19)
- ***sigh*** Same mistake you made years ago - real_jj 20:04:17 06/16/06 (2)
- Re: ***sigh*** Same mistake you made years ago - Todd Krieger 00:01:30 06/17/06 (1)
- So, like the guy at www.timecube.com, you won't go away... - real_jj 00:26:31 06/17/06 (0)
- That's misleading and actually wrong. - Ted Smith 15:28:54 06/16/06 (15)
- Re: That's misleading and actually wrong. - Todd Krieger 21:07:20 06/16/06 (14)
- Still the same mistake. - real_jj 22:21:43 06/16/06 (13)
- Re: Still the same mistake. - Todd Krieger 23:50:30 06/16/06 (12)
- Of course you can in many cases! - Ted Smith 07:39:37 06/17/06 (7)
- Bullshit.... - Todd Krieger 11:01:50 06/17/06 (6)
- Sorry Todd - Ted Smith 12:22:28 06/17/06 (2)
- Re: Sorry Todd - Todd Krieger 12:55:53 06/17/06 (1)
- Re: Sorry Todd - Ted Smith 13:03:49 06/17/06 (0)
- Tut... - real_jj 11:08:23 06/17/06 (2)
- The Poseur Posse.... - Todd Krieger 11:20:15 06/17/06 (1)
- See the questions addressed to you at the top of the board... - real_jj 11:30:37 06/17/06 (0)
- Well, let's see. - real_jj 00:20:18 06/17/06 (3)
- Re: Well, let's see. - Todd Krieger 00:51:57 06/17/06 (2)
- Re: Well, let's see. - andy_c 08:44:44 06/17/06 (0)
- Todd, go get a sub-director at www.timecube.com - real_jj 00:54:25 06/17/06 (0)
- Don't confuse oversampling with dithering... - real_jj 14:21:05 06/16/06 (3)
- Sorry I wasn't trying to - Ted Smith 14:32:35 06/16/06 (2)
- Understood... - real_jj 14:50:44 06/16/06 (1)
- Agreed - Ted Smith 15:05:56 06/16/06 (0)
- I see your point - tunenut 14:19:30 06/16/06 (0)
- Nope... - real_jj 14:08:31 06/16/06 (0)
- Please retract your misteaching above - real_jj 12:25:10 06/16/06 (8)
- Re: Please retract your misteaching above - Todd Krieger 13:10:21 06/16/06 (7)
- Re: Please retract your misteaching above - Dan Banquer 13:12:51 06/16/06 (6)
- Re: Please retract your misteaching above - Todd Krieger 13:29:58 06/16/06 (5)
- Totally wrong, as usual - real_jj 13:52:41 06/16/06 (1)
- Hint: - real_jj 13:56:16 06/16/06 (0)
- Re: Please retract your misteaching above - Ted Smith 13:52:32 06/16/06 (2)
- Re: Please retract your misteaching above - Todd Krieger 14:02:55 06/16/06 (1)
- Wrong again... - real_jj 14:13:48 06/16/06 (0)
- Why can't you actually just go read the deck? - real_jj 12:09:06 06/16/06 (8)
- I'm Not Just Going To Read It.... - Todd Krieger 12:17:13 06/16/06 (7)
- Let's see what you don't understand, then... - real_jj 12:24:11 06/16/06 (6)
- Re: Let's see what you don't understand, then... - Todd Krieger 23:36:20 06/16/06 (5)
- Incredible, you're zero for all! - real_jj 00:09:22 06/17/06 (4)
- A Word of Advice..... - Todd Krieger 00:36:39 06/17/06 (3)
- Get lost, you miseducating stalker. - real_jj 00:52:46 06/17/06 (2)
- If Your Head Got Any Bigger.... - Todd Krieger 01:00:54 06/17/06 (1)
- Go back to www.timecube.com, Todd - real_jj 01:16:18 06/17/06 (0)
- No, your brain can not do this in the same way... - real_jj 13:38:07 06/15/06 (19)
- there is more to it than the 200 msec - tunenut 15:31:21 06/15/06 (15)
- Yes and no. - real_jj 16:44:18 06/15/06 (14)
- Re: Yes and no. - morricab 02:27:57 06/16/06 (1)
- What's it dependent on? - real_jj 10:33:19 06/16/06 (0)
- OK I'm with you... - tunenut 17:23:10 06/15/06 (11)
- Re: OK I'm with you... - morricab 02:30:00 06/16/06 (10)
- Re: OK I'm with you... - Ted Smith 08:39:54 06/16/06 (9)
- Indeed.... - real_jj 10:40:24 06/16/06 (8)
- Re: Indeed.... - morricab 12:03:17 06/16/06 (3)
- No, that's a different issue... - real_jj 12:07:52 06/16/06 (2)
- Re: No, that's a different issue... - morricab 12:15:36 06/16/06 (1)
- Yes, but it's filled in with your expectation... - real_jj 12:32:49 06/16/06 (0)
- electronic voice phenomenon? - Ted Smith 10:52:39 06/16/06 (2)
- Can't say as I blame you... - real_jj 11:36:14 06/16/06 (1)
- Yep, that's why I blew it off. [nt] - Ted Smith 11:42:28 06/16/06 (0)
- Re: Indeed.... - Ted Smith 10:50:07 06/16/06 (0)
- Maybe Tests Could Be Run..... - Todd Krieger 15:20:00 06/15/06 (2)
- Word intellegibility - real_jj 16:46:15 06/15/06 (1)
- Oh, and where's your retraction? - real_jj 16:51:01 06/15/06 (0)
- Re: no that's not right - morricab 13:34:09 06/15/06 (0)
- Well... - real_jj 12:56:52 06/15/06 (0)
- It depends........ - Dan Banquer 09:32:34 06/15/06 (5)
- Re: It depends........ - morricab 13:35:52 06/15/06 (4)
- Re: It depends........ - Dan Banquer 13:40:58 06/15/06 (3)
- You can hear distortion below the noise floor - hexenboden 19:51:13 06/15/06 (2)
- Re: You can hear distortion below the noise floor - Dan Banquer 09:52:49 06/16/06 (1)
- A good DAC or amp - hexenboden 17:41:38 06/16/06 (0)
Follow Ups
- Nope.... - real_jj 14:03:54 06/16/06 (2)
- Re: Nope.... - Todd Krieger 14:27:33 06/16/06 (1)
- Got anything to say, Todd? - real_jj 20:00:32 06/16/06 (0)
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