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Re: 4x10 problems in low frequency ranges 9 years 6 months ago #5409

  • Katz
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"We actually like the idea of a Sub proc though... We could put some thinking into the major features required to make it happen. Low sample rate is key for one, but there might be others required."

Why would high sample rate make the EQ harder to control?
__________________________________________
Noah

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Re: 4x10 problems in low frequency ranges 9 years 6 months ago #5410

  • nyt
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"We actually like the idea of a Sub proc though... We could put some thinking into the major features required to make it happen. Low sample rate is key for one, but there might be others required."

Why would high sample rate make the EQ harder to control?


At low frequencies a high sample rate introduces math precision errors.

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Re: 4x10 problems in low frequency ranges 9 years 6 months ago #5412

  • curryman
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One further feature I could think of for a sub plugin beside a low samplerate is more delay. If you want to realize a DBA (Double Bass Array) this might be useful.

Might be a good idea to open a new thread in the "Suggestion Box" ;)

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Re: 4x10 problems in low frequency ranges 9 years 4 months ago #5858

  • radardoug
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Nyt,
I read this whole topic and note that you are really grumpy early on, and looking for high quality results, but when I look at your overall published graph I wonder why you are being so precise, when your system response is not that precise.
Firstly, in the band to 80 Hz, you have the gain set at least 4 dB too high. Then you have a 5 dB dip at 80 Hz. Then you have the rolloff above 10 kHz. And of course all of this is in a room which will have many modes.
Care to elaborate?www.minidsp.com/components/com_kunena/te.../emoticons/smile.png
Just yankin' your chain mate.

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Last edit: by radardoug. Reason: spelling!

4x10 problems in low frequency ranges 7 years 6 months ago #13521

  • nyt
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revisiting this again...
is there anyway to load the 8x8 plugin into the 2x8 so it uses 48khz sampling?

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4x10 problems in low frequency ranges 7 years 6 months ago #13530

  • Jim the Oldbie
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is there anyway to load the 8x8 plugin into the 2x8 so it uses 48khz sampling?


Yup, that should work fine; I've done it with my 2x8. You'll have a bunch of inputs on the routing page that are unused on a 2x8 board, but everything else works. Plus one more EQ band per section, dynamics processing on all outputs, and no 'Sub-EQ' required for accurate low freqs if I remember correctly.

-- Jim

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4x10 problems in low frequency ranges 7 years 6 months ago #13748

  • PdxRealtor
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None of the spec sheets say that's possible. Having just purchased a 4x10 I went round and round trying to get the least expensive option while still having the ability to run 48khz.

The spec sheet for the 4x10, 8x8, and 10x10 specifically states 48/96 sampling depending on plugin but it does not state that 48 spec anywhere on any 2x8 literature. Further, the 2x8 product page does not provide a link to the 10x10 software which is what is needed to run 48khz.

If what you say is true, then the specs are wrong or at the least omitting valuable information.

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4x10 problems in low frequency ranges 7 years 6 months ago #13751

  • curryman
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Well, thats somehow inofficial since the missing hardware inputs (6 input channels are not available at the 2x8 compared to the 8x8) are not handled in the plugin. Therefore this is not stated in the datasheet or manual which I can understand.

Still it works and this has been confirmed by DevTeam ;)

kind regards, Daniel

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4x10 problems in low frequency ranges 7 years 6 months ago #13752

  • PdxRealtor
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Thanks for the reconfirmation !

The 10x10 plugin IS listed for the 4x10. So why wouldn't they list the 10x10 plugin as compatible with the 2x8 as they do with the 4x10?

I just spent 499.00 vs 299.00. I ask questions here, get constantly pointed to the spec sheets and manuals, try to respect that repetitive request, and I end up spending an unecesarry amount of cash because there is unofficial information.

Do I have that right?

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4x10 problems in low frequency ranges 7 years 6 months ago #13754

  • Jim the Oldbie
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...The 10x10 plugin IS listed for the 4x10. So why wouldn't they list the 10x10 plugin as compatible with the 2x8 as they do with the 4x10?

I just spent 499.00 vs 299.00. I ask questions here, get constantly pointed to the spec sheets and manuals, try to respect that repetitive request, and I end up spending an unecesarry amount of cash because there is unofficial information.

Do I have that right?


I never noticed this before, but it appears you are correct. I don't see any mention of the 10x10 plugin in any of the 2x8 literature. I think I learned of this in the forums somewhere. I'm not saying you should have known to do this beforehand - in fact I don't think so. Just saying that's where I happened across that bit of information (that the 10x10 plugin is compatible with the 2x8 hardware).

-- Jim
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4x10 problems in low frequency ranges 7 years 6 months ago #13756

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Well ....... darn. :(: Not very happy I spent 200.00 more than I needed to. Actually 100.00 because I would have bought the 2x8 box to put the board in.

A side from sampling there are other features the 10x10 has that the 2x8 does not. Actually quite a few other features.

devteam- how about updating the spec sheets so this doesn't happen to somebody else?

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4x10 problems in low frequency ranges 7 years 6 months ago #13761

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Knowing very well that it will not help you that much :blush: : There are several spots on the homepage where you can see that the 10x10 plugin is compatible to the 2x8 platform. E.g.
10x10 platform page:


(in the description 2x8 platform is not mentioned though :angry:

In the plugin table:



Not sure if this was changed just today :whistle:
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4x10 problems in low frequency ranges 7 years 6 months ago #13772

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Lol..... All of that was just changed, as I re-reviewed it all yesterday to make sure I wasn't crazy and none of that was there.

Im glad they got it fixed. How about a complimentary plugin for Pdx? ;)

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4x10 problems in low frequency ranges 6 years 8 months ago #17821

  • StewedNKeefed
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Hi - this is my first posting on this board. I am part-way through setting up my miniDSP 4x10 in a box, using the 4x10 plugin.

I would like some assurance about something that i have come across in reading this thread and on another on-line forum.

If what I read on the internet is correct, there are problems with the 4x10 at low frequency because it is 96kHz.

For example: [snip] Will running the 10x10 plugin on the 2x8 hardware reduce the problems in low frequency ranges since its 48khz instead of 96khz? [end snip]

Can you please assure me that I made the correct decision earlier this week when I purchased the 4x10 in a box and the 4x10 plugin.

You need to understand that the only reason I bought the 4x10 was to control two subwoofers because I am adding two subwoofers to my standmount stereo speakers for hifi listening.

I am trying to eliminate the rolloff of my standmount speakers by supplementing them with 15" subwoofers.

The update file for the 4x10 plugin says the following:

[snip]
Plug-in for the miniDSP 2x8/4x10HD platforms, 96kHz sample rate / Mac&Windows versions
- Latest version 1.06 - Upgrade required for units shipped after that date
- This plug-in may requires firmware upgrade (included in file)
- Fix for REW import bug

Maintenance release for minor bug fix:
- Digital source selection bug on UI is fixed
- Bessel/LR48dB bug fixed
- Fixed compatibility with all Mac OSx platform
[end snip]

Do I have a 48kHz product in the 4x10 plugin, or not?


kind regards

Stew

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4x10 problems in low frequency ranges 6 years 8 months ago #17825

  • dreite
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If using the 4x10 plugin, then you are operating at 96khz sampling rate.

However, I think you might be confused on frequency range issues. The sampling rate will determine high-frequency roll-off performance, not low frequency.

If you're using this unit just to control subwoofers, then you're far under-utilizing its potential.

Dave.

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