Behringer UFO-202 records mono, not stereo?

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Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by ignatz » Wed Jul 07, 2010 4:45 am

I just got a Behringer UFO-202 USB interface today and have been trying it out.

I bought it mainly to help me connect a turntable to my PC, but also wanted to see how it worked for "what your hear" recording. I am using Windows 7 and Audacity 1.3.12.

I got it to "work" for that purpose, but for whatever reason recordings of known stereo sources play back in 2 channel mono.

Here's what I did:

I connected the device to a USB port and then used a standard 3 foot RCA cable with 4 male plugs to connect the Behringer's outputs to its inputs. I figured that would route the output back into the device and would allow "what you hear" recording.

Then I disabled my onboard sound and made what I hope are the correct changes in Audacity and Windows control panel.

Then I found a random stereo recording on the Internet and recorded it. The left and right meters were bouncing independently, indicating a stereo source. I captured it and exported both as WAV and as mp3. I then went back to my onboard sound and recorded the very same source as a WAV and as mp3.

The recordings made with onboard sound play back in stereo. The recordings made with the Behringer device play back in 2 channel mono.

The only controls on it are for line in/phono and a rotary volume control for the headphone jack. These tests were conducted with the switch set to line in.

I'm obviously a doofus, but even a doofus wants to know what's wrong.

Any advice?
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by Gale Andrews » Wed Jul 07, 2010 9:21 pm

Make sure the default format for the Behringer is set to stereo.

Do the recordings you made with the Behringer appear/sound as two-channel mono before you export them?


Gale
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by ignatz » Thu Jul 08, 2010 12:30 am

Gale Andrews wrote:Make sure the default format for the Behringer is set to stereo.

Do the recordings you made with the Behringer appear/sound as two-channel mono before you export them?


Gale



I assume your first sentence means to check within Audacity preferences and look at the recording section of devices.

That is set to 2 channel stereo.

When capturing the stereo recording, the left and right channels have slightly different wave forms, indicating different content in each channel. Likewise, the meters are reacting slightly differently.

I listened while capturing and it both sounded and looked like stereo to me.

I'm not sure I listened after the capture but before the export.

I exported both WAV and mp3 and the playback results are as in my first post---stereo with onboard sound; mono with Behringer.

I'm at a loss on this.

Between Audacity and Windows, there are dozens of audio settings--mostly in Windows. So there are multiple dozens of combinations of settings.

I'm hoping I just did something completely infantile.

I assume you agree with my idea of running a common RCA cable from the Behringer output to the Behringer input. I thought of running the cable from the Behringer output to the onboard sound input, but that would mean 2 sound cards are involved--which I assume would lead to further problems.
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by Gale Andrews » Thu Jul 08, 2010 3:21 am

ignatz wrote:
Gale Andrews wrote:Make sure the default format for the Behringer is set to stereo.

I assume your first sentence means to check within Audacity preferences and look at the recording section of devices.


It means click the underlined link and follow all the instructions there including setting the default format in Windows to stereo, as well as setting recording channels to "2" in the Audacity "Devices" Preferences.

ignatz wrote:I listened while capturing and it both sounded and looked like stereo to me. I'm not sure I listened after the capture but before the export. I exported both WAV and mp3 and the playback results are as in my first post---stereo with onboard sound; mono with Behringer. Between Audacity and Windows, there are dozens of audio settings--mostly in Windows. So there are multiple dozens of combinations of settings.


If you really did capture stereo into Audacity then the acid test is simple. Set the default format for the Behringer in Windows to stereo, repeat the experiment recording with the Behringer, check after capture that it really is stereo, then export it as WAV and import it back into Audacity. But what happens if you record from vinyl into the Behringer? Is that stereo?

ignatz wrote:I assume you agree with my idea of running a common RCA cable from the Behringer output to the Behringer input. I thought of running the cable from the Behringer output to the onboard sound input, but that would mean 2 sound cards are involved--which I assume would lead to further problems.


The Behringer is likely to have higher quality digital > analogue and analogue > digital converters but you have the possible loss/noise with un-necessary cabling, if the motherboard sound device captures computer playback via internal stereo mix. Do these Behringer devices let you record to the computer while using the RCA outs for high quality speakers? If so then obviously you are limiting yourself to use of headphones to listen to the computer playback if you use the outs to feed the ins.
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by ignatz » Fri Jul 09, 2010 1:51 am

Gale:

Thanks for the help and it is tentatively solved.

I made some adjustments, found another apparently stereo source and recorded it in Audacity. While capturing, the meters bounced independently and the left and right channels had noticeably different wave forms.

While capturing, it sounded like stereo on headphones. Ditto when played back after capture but before export and ditto after exporting and listening to the playback. When the saved file is reopened in Audacity, it also looks and plays stereo.

I think my error was in the advanced properties default format area. I think originally I had chosen 2 channel 16 bit 44100 and hit OK---WITHOUT first hitting apply. By not hitting apply, I was left with the default mono rather than the expected stereo.

FYI:

The Behringer device, when used with RCA cables running from its inputs to its outputs, shows up in Windows 7 as "Microphone USB audio codec". It is shown identically in Audacity preferences/devices/recording.

So, I can confirm the UFO 202 as a "what you hear" or "stereo mix" recording alternative with Windows 7.

I have no idea yet how the Behringer UFO 202 works with a turntable--that's for a later date.

As I understand it, the Behringer RCA outputs are typically connected to a traditional stereo system so you can play music back from PC to the home system, but I have not tried that yet. All my listening with it has been confined to the included headphone jack. The sound is excellent to my possibly tin ears.
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by kurt » Fri Feb 24, 2012 11:19 pm

I had the same problem with recording 2 channel mono. I asked several computer specialists but apparently they are not versed at all with audio recording. Reading your conversation in forum, I found the solutions given to you very complicated and also your earlier attempts. So I followed your last try and went into advanced properties and selected the same settings as you,since I found mine was set on 1 ch mono. Now all is working as it should, Thank you for doing the research. I am too much of an amateur to understand that kind of language, as in "help" Kurt ( Windows 7)
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by dtriez » Fri Feb 09, 2018 2:37 pm

The above info was helpful, this is just an update to help with the continually changing ways that Windows uses to set system parameters.
I have UFO-202, Windows 10, Audacity 2.2.1, was getting 2 identical tracks even though Audacity was clearly set to stereo. Problem was that an operating system parameter also had to be changed from mono to stereo. Here is what I had to do:
Plug in UFO-202 - start up Control Panel - select Hardware & Sound - select Sound - hit Recording Tab - select Microphone (USB Audio Codec) - press Properties button (will see Microphone Properties window) - hit Advanced tab - use drop down to change from mono to stereo, 16 bit, 44100 Hz.
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Re: Behringer UFO-202 records mono, not stereo?

Permanent link to this post Posted by kozikowski » Sat Feb 10, 2018 2:11 pm

The UFO-202 has a switch that allows it to match to and apply corrections for an analog turntable connection. The RCA cables from a classic analog turntable are "raw" cartridge connections and require a specific electrical match as well as removal of the RIAA effect. The UFO-202 also provides a connection for the thin black turntable grounding cable. Don't leave that one out. Hum and background noise goes way up without that.

There is one significant difference between this and the UCA-202. The UCA-202 has a "Monitor" switch which allows a headphone mix between incoming and outgoing. That, in turn allows perfect overdubbing for people wanting to record several instruments one over the other. That switch is missing from the UFO-202 and I can't tell what they did with the headphone management.

So until further notice, the UFO-202 isn't "universal" in that you can't use it for perfect overdubbing. But if all you're doing is digitizing vinyl and tapes, this is the machine for you.

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