Error solving for Ubuntu Recorder

UbuntuLinux environment recorder error solution: 1. Click "recorder appears" because another program is using this audio capturing device, so it cannot be shared. 2. If no sound is displayed, double-click the volume control "Speaker" icon to check whether the MIC is enabled and adjust the volume to the maximum value ~~~

Error solution for using a tape recorder in Ubuntu Linux:

1. Click "recorder appears"

This is because another program is using this audio capturing device, so it cannot be shared.

2. No sound

Double-click the volume control "Speaker" icon to check whether the MIC is enabled and adjust the volume to the maximum value ~~~