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DSP Studio Testing

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mattkhan:

--- Quote from: BCZ on June 28, 2019, 04:15:29 pm ---This is really simple to reproduce. All you have to do is use a single 48dB/oct high pass filter at 30Hz in parametric EQ in DSP studio, with the WDM driver, to do this

I used REW to do the loopback measurement by connecting the output to the line in on my sound card. The wiggles are not due to noise of my sound card, loopback measurements with Equalizer APO shows a clean line.

--- End quote ---
I tried this using a digital loopback so it's a pure measurement of the (digital) signal chain

REW -> java driver -> WDM loopback -> jriver -> DSP studio -> ASIO out -> mixer configured to loop that back to ASIO input -> WDM wrapper on ASIO input -> REW

looks clean to me

BCZ:

--- Quote from: mattkhan on June 28, 2019, 04:34:48 pm ---I tried this using a digital loopback so it's a pure measurement of the (digital) signal chain, looks clean to me

--- End quote ---

What version of JRiver is this?

mattkhan:

--- Quote from: BCZ on June 28, 2019, 04:36:03 pm ---What version of JRiver is this?

--- End quote ---
25 though I have tested earlier versions before and had no issues.

Awesome Donkey:
The WDM driver was greatly improved in MC24/MC25. You might retest with MC25 and see if your issue still occurs.

BCZ:
Ahhh, I just got a trial MC25, and it works perfectly. Sorry for the alarm.

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