Recording 4 channels: Behringer Uphoria UMC404HD [SOLVED]

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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by shaul_eiz » Mon Feb 26, 2018 7:49 am

As a spin off to the above question I'd like to know if you plan adding Multi-device support.
I know. This is not a simple task. At least in windows there isn't a good inter-device sync mechanism.
However, it is a useful feature for those using multiple soundcards as audio entry points to their PC.
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by steve » Mon Feb 26, 2018 8:07 am

shaul_eiz wrote:As a spin off to the above question I'd like to know if you plan adding Multi-device support.

No plans, though it can be done already on Linux and Mac. For Windows, the usual way is to use ASIO, but the license terms for ASIO are compatible with GPL (Audacity's open source license).
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by shaul_eiz » Mon Feb 26, 2018 9:24 am

Thank you Steve for the prompt reply.
Will Audacity work with ASIO4All? If so, is the legal problem still there? (meaning that the protocol itself is proprietary?)
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by steve » Mon Feb 26, 2018 11:17 am

shaul_eiz wrote: is the legal problem still there?

Unfortunately yes.
To use ASIO legally, Audacity needs to be built against the ASIO headers, which are under a non-distributable license. Audacity is under GPL v2 licenses, which guarantees that the source code is freely available. To satisfy the conditions of one license, means violating the terms of the other - the licenses are incompatible. Audacity can legally be built with ASIO support, but only for personal use - it can't legally be distributed without violating one or other of the licenses. Unfortunately, building Audacity from the source code is quite complex on Windows (https://wiki.audacityteam.org/wiki/Deve ... On_Windows)
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by shaul_eiz » Mon Feb 26, 2018 12:31 pm

Got it. Thanks!
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by rondds » Mon Feb 26, 2018 2:41 pm

Will try this tonight and let you know how it goes.
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by rondds » Tue Feb 27, 2018 1:47 am

Here's what I discovered...

Let's say you you record the initial 4 tracks (drum machine in stereo, guitar & vocal) using WINDOWS WASAPI setting. Now you want to add bass, then harmony vox, then percussion, then keys... If you switch to WINDOWS DIRECT in the Device Toolbar. Then you click TRACK, ADD NEW STEREO ...now you can lay down each additional track one at a time without an error message and without DEVICE SCAN or restarting Audacity.

I tried a few ways but couldn't figure out how to overdub 4 tracks at once after the initial 4 tracks, but I don't care b/c I'll never do that. Other's might but a bit beyond my recording pay grade.

This is great stuff. Thank you guys very much for your help in sorting all this out!
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by steve » Tue Feb 27, 2018 1:12 pm

Thanks for the feedback. Great to hear that the Behringer Uphoria UMC404HD will do 4 channel recording on Windows / Audacity .

I think it should really be possible to just change the number of recording channels in Audacity, but there seems to be something a bit weird happening - possibly a slight bug in the WASAPI drivers. It may require going into the Windows Sound Control Panel and changing the number of channels there as well as in Audacity. But regardless, glad to hear that you have a satisfactory workaround.
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by rondds » Tue Feb 27, 2018 2:02 pm

I'll give that a look and let you know.

This is a relatively new piece of gear from Behringer so you may get more questions about it as it "catches on." So far the couple of demo's I've made came out great.
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Re: MORE THAN TWO CHANNEL RECORDING AT A TIME

Permanent link to this post Posted by rondds » Tue Feb 27, 2018 9:23 pm

Here's what it is set to, and you can see the other choices.
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