With the help of Microphone object the following opportunities of Audio player object are realized:

1. Playback of audio signals from the microphones.
2. Recording of audio signals by sound level or by Operator command.

To set up the recording and playback of audio signals from the microphones do the following way:

1. Go to the settings panel of Audio player interface object.
   

2. From the dropdown list Device of Playback group select the required device of audio signals backup (1).

   Standard sound map corresponds to to the value Default device.

   
   

3. From the dropdown list Channel of Playback group select the required channel of audio signals backup (2).
4. Add microphones for recording and playing back audio from in one of the following ways:
   1. One by one:
      1. Form the dropdown lit in the column Name select the name of Microphone object, which audio signals are suggested to be recorded/played back (3).

      2. Repeat step 4 for all the required Microphone objects.

         Use "down" arrow on a keyboard to add a line to the table. Press Ctrl+Del after selecting a line to delete it.

         
         

   2. All microphones created in the hardware tree: click on the All button (3).
   3. Several microphones from the list:
      
      1. Click the Range button (4). As a result, the Add microphones window opens.
         
      2. In the list on the left, select the necessary microphones to add (1). To select several lines, left-click them while holding the Ctrl key on the keyboard.
         
      3. Move the microphones to the list on the right (3) using the -> button (2).
         
      4. Click Apply changes button and close (4).
         
      5. As a result, the selected microphones are added to the list on the settings panel of the Audio player object.
5. Click Apply button to save all the changes (6).

Setting up the recording and playback of audio signals from the microphones is completed.