Pavucontrol Recording

This test case tests that audio input can be controlled with Pavucontrol.

Setup

Start Pavucontrol.
Go to the Input Devices tab and check that your input devices (microphones) are listed there.
Use the volume slider to set up the sensitivity of the microphone, so that the VU meter reaches approximately 75% of the total input volume.
In case you have more input devices, click on the Set as fallback to make it a default input device.
Use the Mute audio button to switch off the input device. Unmute it.
If you have a stereo input device, click on Lock channels together button and unlock the left and right audio channel. Check that the sensitivity can be adjusted for each channel separately.
Start Gnome Sound Recorder and start a recording.
Go to the Recording tab and check that the recording application is listed there.
If you have more than one input devices, use the list of devices to select an input device for your application.
Stop the recording and play it back.

Pavucontrol starts.
All devices are listed on the Input Devices tab. The default input device has the Set as fallback button checked.
Microphone sensitivity can be adjusted using the slider and the VU meter shows it correctly.
The Set as fallback button will make the input device a default one which will be used for the recording.
The Mute audio button switches off the input device.
Unchecking the Lock channels together button enables to adjust the volume of the stereo channels independently.
Gnome Sound Recorder starts and records from the input device.
All applications recording sound are listed on the Recording tab. Note that the application will not be listed if the recording has not started or it has been stopped.
A selected devices is used as an input device only for the particular application.
The recording can be played back.