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Android  iOS  Mac OS   Windows  Linux and Ubuntu FAQ

Mic-Lock is an audio blocking device. No software is needed and it will work with any operating system. The way Mic-Lock works is electrically the same as any audio headset would appear to a phone, computer or tablet. The signal it sends is what a “live” microphone would send if it were recording in a silent environment or room. The phone or computer looks for this electrical signal before handing over audio control. Plugging in a Mic-Lock is a system command to the phone or computer. When you physically plug in something the device follows what you are telling it to do and to now use what you just inserted. To a device plugging in a Mic-Lock is the same as if you tap on the speakerphone icon or clicked to launch an app.

Much like on your TV’s remote video source, only one audio source can be active on a device at any one time. Plugging in the Mic-Lock is the “ON” button and unplugging it is the “OFF” button. This is true until you command or tell the computer to switch to another audio source. An example of this is when you have the Mic-Lock plugged in to your phone and a voice call comes in. Rather than unplugging the Mic-Lock, you tap on the speakerphone icon and take the call. When you tapped the speakerphone the device switches the audio source from the Mic-Lock to the speakerphone-again it follows your commands. After the call is complete the speakerphone is the primary or active audio source. Simply unplug and re-plug the Mic-Lock and the audio security cycle will start all over again and remain until a new source is desired.

How do I know it is working? 

Testing Mic-Lock is easy and quick. Here are the procedures for each operating system:




  1. Locate or download the free “Voice Recorder” from your Android's Google Play Store.
  2. Tap to Open “Voice Recorder.”
  3. Tap the Record button.
  4. Plug in the Mic-Lock. The recording function will not stop but no audio will be recorded. No sound waves will appear.
  5. Hit the Record button again. No sound will be captured.
  6. Unplug Mic-Lock to restore the audio capture.



  1. Open the “Voice Memos” app located on the iPhone. 
  2. Tap the red Record button to start recording the voice or audio. 
  3. Plug in the Mic-Lock and the recording will stop.
  4. Tap the Record button again and no audio will be captured. 
  5. Remove the Mic-Lock to restore the audio capture feature.


Mac OS X

  1. Open “QuickTime Player” found in the Applications folder.
  2. Pull down the “File” menu and choose “New Audio Recording.”
  3. Click the red Record button to start recording audio from the default microphone source.*
  4. Plug in the Mic-Lock and the recording audio waveforms will stop.
  5. Unplug Mic-Lock to restore audio capture.



  1. “Voice Recorder” is a free app for recording sounds.
  2. Hit the big Record button.
  3. Plug in the Mic-Lock and the recording will show a flat waveform – nothing is being recorded with Mic-Lock plugged in.
  4. Remove the Mic-Lock and audio capture will be enabled. 


Linux and Ubuntu

  1. Install Pavucontrol (PulseAudio Volume Control) using apt-get or the Ubuntu Software Center.
  2. Open PulseAudio Volume Control.
  3. Open Sound Recorder and start recording.
  4. Go to the "Recording" tab in the PulseAudio Volume Control window.
  5. Make sure that "Applications" is selected in the drop-down menu on the "Recording" tab.
  6. Plug in the Mic-Lock and audio recording will not be captured.


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