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Redirect

Delta-sigma modulation now exists. ~Kvng (talk) 20:02, 15 April 2020 (UTC)[reply]

The following discussion is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

I am redirecting sigma-delta modulation and delta-sigma modulation to here. I hope this is correct enough. - Omegatron 19:12, Apr 15, 2005 (UTC)

I don't think so. There's more to sigma-delta than oversampling! --24.182.140.18 18:28, 15 September 2005 (UTC)[reply]

I had actually landed here looking for a definition of Sigma-Delta modulation, making this page, as it stands, actually of no value to me. What it needs (preferably from someone who understands why it was redirected so) is a short paragraph explaining the redirection.

Any takers?

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Typo?

No longer in article ~Kvng (talk) 20:02, 15 April 2020 (UTC)[reply]

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"After being sampled at 800 Hz, the signal could be digitally filtered to have a bandwidth of 100 Hz and then further downsampled to closer to 200 Hz."

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Backward compatability

Backward compatability doesn't seem to be working with my various HiFi set-ups. Not sure if this is to do with oversampling or a.n.other it is all rather infuriating not to mention expensive. I wonder what the longer-term solution will be. Znethru

Oversample vs Supersample

Why no mention of "supersampling"? wasn't there a separate page for that before? —Preceding unsigned comment added by Spot (talk • contribs) 00:15, 14 July 2008 (UTC)[reply]

I added a Supersampling link to the See also section. ~Kvng (talk) 20:02, 15 April 2020 (UTC)[reply]

Unclear

"For instance, to implement a 24-bit converter, it is sufficient to use a 20-bit converter that can run at 256 times the target sampling rate. Averaging a group of 256 consecutive 20-bit samples adds 4 bits to the resolution of the average, producing a single sample with 24-bit resolution."

I am no expert or engineer, but the abovementioned statements are unclear and seemingly contradictory. Does it mean running 256 x the target sampling rate (sentence 1), or simply running 256 20-bit samples then averaging it out? They are not the same. 116.14.16.166 (talk) 02:30, 12 April 2010 (UTC)[reply]

I agree. --ANDROBETA (talk) 09:01, 17 October 2010 (UTC)[reply]

To help us improve this, please explain where specifically you see an internal contradiction. It is talking about running at 256 x target sample rate then averaging those in blocks of 256 samples to produce samples at the target rate. --Kvng (talk) 15:09, 17 October 2010 (UTC)[reply]

It could be either 256 20-bit A/D running in parallel at the sampling rate, or 256x the sampling rate with 1 A/D.

I think this potential ambiguity is adequately addressed in the current text. ~Kvng (talk) 20:02, 15 April 2020 (UTC)[reply]

Fix misspelled reference author's name

In Reference 4, "Holma" should be "Holman". I would fix it but I can't figure out where the appropriate text is.

184.98.51.112 (talk) 21:05, 3 April 2020 (UTC) O.R.[reply]

Done ~Kvng (talk) 14:16, 6 April 2020 (UTC)[reply]

Oversampling and colour handling

Hi! I'm a dumb end-user of old analog video game console scalers. I read that some scalers use oversampling in order to achieve a pseudo-4:4:4 processing. I don't really undertstand what it means in simple English, and I don't know what it implies when the analog source already exhibits signs of chroma subsampling. Some paragraphs about that in the article would be appreciated. Please. 😅 -Philippemorin123 (talk) 19:08, 20 December 2022 (UTC)[reply]

@@ Line 48: / Line 48: @@
 :{{done}} ~[[User:Kvng|Kvng]] ([[User talk:Kvng|talk]]) 14:16, 6 April 2020 (UTC)
+== Oversampling and colour handling ==
+Hi! I'm a dumb end-user of old analog video game console '''scalers'''. I read that some scalers use oversampling in order to achieve a pseudo-4:4:4 processing. I don't really undertstand what it means in simple English, and I don't know what it implies when the analog source already exhibits signs of chroma subsampling. Some paragraphs about that in the article would be appreciated. Please. 😅 -[[User:Philippemorin123|Philippemorin123]] ([[User talk:Philippemorin123|talk]]) 19:08, 20 December 2022 (UTC)