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EDIROL UA-1EX ADVANCED DRIVER

By admin on March 25, 2020 0 Comments

Edirol UA-1EX Advanced mode recording support I have reviewed the wiki a number of times and seen mention of a patch which adds support for this advanced mode, I upgraded to a version of Alsa which included the patch but was still unable to get it to work as I expected using the following command: It’s not very obvious, I only noticed it using headphones. Other bug subscribers Subscribe someone else. See full activity log. Everything was working great, until I noticed distortion when listening to bass-heavy music. They said it should not be happening, and there is not really a lot of difference between Advanced driver ON or not. Daniel T Chen crimsun wrote on

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There exists a patch adding such support to 2. I have reviewed the wiki a number of times and seen mention of a patch which adds support for this advanced mode, I upgraded to a version of Alsa which included the patch but was still unable to get it to work as I expected using the following command: I upgraded to Snow Edriol, and initially the “distortion at 0dB” problem was still there although I was happily working around it by putting the OS X system volume at less than max.

Now they’re saying simply, if I’m not happy with the unit I should return it to the dealer for a refund. The card works when the advanced driver switch is off but I need the higher quality at least the rate for my purposes.

You are not directly subscribed to this bug’s notifications. I would like to upload the same test files here, to see what people here think. They also said “we find it difficult to imagine a situation where the driver would affect the hardware in any way” which again suggests a software issue Sample format not available arecord -Dhw: Sample format not available The card works when the advanced driver switch is off but I need the higher quality at least the rate for my purposes.

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I don’t really want to return it, because I’m happy using it in simple mode for the time being. Hi, for what it’s worth, an update on this I have the latest OS X drivers from Edirol, version v1. After reading through a lot of bug reports related to other Edirol hardware on the Alsa bugtracker I found out that the advanced driver mode uses a non standard 3 byte sample and as such the command above needed to be changed to:.

So this avenue has reached a dead end. I suggested that since the distortion is only there in Advanced mode, it sounds like it’s occuring in the digital domain – perhaps a driver problem, or some kind of conflict between the driver and something else it sounds more like a digital kind of break-up to me anyway, if there is such a thing. IowaBob on They responded that they listened to the files but “to us, they sound exactly the same”.

Edirol UA-1EX

But in simple mode, there’s no choice – the system volume becomes greyed-out read-only at maximum – but there is no distortion.

A member of head-fi was recently using the UA1-EX to perform tests on cables.

I’d prefer to get to the bottom of it and understand what’s causing the distortion in advanced mode, even if I have to work around it by turning down the system volume until the distortion is no longer audible. Email me about changes to this bug report. I have reviewed the wiki a number of times and seen mention of a patch which adds support for this edirpl mode, I upgraded to a version of Alsa which included the patch but was still unable to get it to work as I expected using the following command:.

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Is it normal for it to be doing this after a few years of use?

They said it should not be happening, and there is not really a lot of difference between Advanced driver ON or not. The difference between this modes is that edirok advanced mode it uses Edirol’s drivers, and in simple mode it operates as a generic USB audio interface using the OS built-in driver. I can post recordings of the unit in both simple and advanced mode if it helps.

But the apparent loudness is the same in both cases, similar to other line-level devices. At first I thought I was overloading the inputs ediirol my amp, but this turned out not to be the case, as the distortion is also there when I connect it to other devices, and through headphones plugged directly into the UA-1EX’s headphone mini-jack.

I sent them 2 recordings I made of the UA-1EX playing back the same audio from iTunes, one in simple mode and one in advanced mode, so they could hear the problem themselves.

[all variants] Advanced mode support on Edirol UA-1EX

However Edirol said there are no known issues with the drivers. If nobody has any other suggestions I might try and upload them in the Uploads forum and link to them here. Update – I contacted Advaned support about this. I wonder if this problem exists on the Windows side of things too.

Saturday, September 20, 7: Strangely, it only distorts when the device is in “advanced” mode, not in “simple” mode. So, it seems – as I originally suspected – it WAS a driver-related bug, as installing new drivers has fixed it.