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I'm trying to record the sound of my electric guitar on Ubuntu 20.04.2 but I can't do it since my laptop (Toshiba Satellite Radius 14 L40W-C-102) has only one audio input socket and it works as headphone jack. Though the specification page of my laptop says it is an "external Headphone (stereo) / Microphone combo socket". So, I'm trying to use it as microphone (line in socket in my case) to record sound. When I plug in my guitar to this socket via a regular guitar cable and a 3.5mm adapter, the sound volume icon turns to headphone. How can I use this socket for recording?

Andrew Harlan
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2 Answers2

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The combo jack uses a 4 contact connector (three little rings on the 3.5 mm end) to handle the singals - you can by an adaptor to separate the signals and access just the microphone part.

An alternative would be to get a USB conversion device to connect your guitar in that manner.

Both of these solutions may be less than optimal, but could be worth a shot if your not looking for professional results.

Charles Green
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If you are new to audio stuff and guitar playing and recording via computer/Linux I would advise the following:

  1. Buy yourself a Behringer U-Control UCA222 interface. It is a cheap and small interface which works on Linux. Dont forget about a splitter cable from 3,5mm jack to cinch to connect your guitar with the Behringer. (You could also try the Behringer UCG102 Audio Interface. But I have no experience if it works with Linux – but it is very likely)
  2. Install Ardour
  3. Install the Tonelib GFX (Tonelib GFX)

Start Ardour with Jack (not Alsa) and then the Tonelib GFX. The Tonelib GFX has native Linux support and it is a professional Ampsimulation (means that you can simulate an Amp (i.e. Marshall JCM800) and the speaker (4x12 cabs i.e.) The tonelib GFX also ships with many effects for guitar and bass! It is more than worth a try!!! Have fun. Besides: Within Ardour and Tonelib GFX you need to connect the inputs and outputs from the two programs to get it working. Connect the Behringer capture with the Tonelib GFX and then to an Ardour track. From there to the system output. To get the setup working might take a while. But in the end it is really worth trying! Btw: Set the buffer size to a low value (i.e 256 samples) when you record stuff in Ardour. That will give a low latency. Btww: Try to use Ubuntustudio it is amazing for Audio stuff! Have fun!

user634093
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