How to mix audio to your video during video recording or live streaming?


When it comes to game or live event broadcasting, we will probably need to use the audio mixing function. Then how to use ClonerAlliance products for audio mixing?

In fact, many of ClonerAlliance products support audio mixing, whether standalone video recorders or capture cards. How many ways are there for audio mixing? What are their functions respectively?

Generally, there are Mic In and Line In ports for ClonerAlliance products, some of which have only Mic In port, while others have both.

ClonerAlliance Box Pro, ClonerAlliance UHD Lite, ClonerAlliance UHD Pro, ClonerAlliance Flint 4KP Plus, ClonerAlliance Flint 4KP, ClonerAlliance Flint 4KP Pro, ClonerAlliance Flint D4P: Mic In, Line In, Line Out

ClonerAlliance Box Evolve: Mic In, Line Out

ClonerAlliance Box, ClonerAlliance Box Turbo: Mic In

What are functions of Mic In, Line In, Line Out?

Mic In: Add your own voice to live stream or recorded video.

Line In: It can mix the sound from other audio devices, microphone and HDMI output. You can mix a variety of sound effects.

Line Out: The sound of microphone and HDMI output can be mixed and output to other audio device, such as headphones or speakers.

How could I mix audio during video recording or live streaming?

Take ClonerAlliance Flint 4KP Pro for example:

Step 1: Connect your source device with an HDMI cable and connect ClonerAlliance Flint 4KP Pro to PC with USB Type-C to USB cable.

Step 2: Use a male-male 3.5mm audio cable to connect your audio source device and ClonerAlliance Flint 4KP Pro, plug the 3.5mm plug into “Line in” port of ClonerAlliance Flint 4KP Pro.


Step 3: Now, the HDMI input sound of the audio device will be mixed into the HDMI output sound of ClonerAlliance Flint 4KP Pro. Enjoy the new sound effect in your video recording or live streaming.


  1. If you want to add your own voice/live commentary into the video, please plug the 3.5mm audio cable of your microphone into the “Mic in” port of ClonerAlliance Flint 4KP Pro instead.

  2. The audio mixing function is also available for standalone video recording.

comments powered by Disqus

ClonerAlliance Newsletters

Subscribe to receive the latest ClonerAlliance information via email. You can receive news about our latest releases or promotion, or be advised when updates are available for the hardware you are interested in. (The subscription confirmation email is occasionally moved to Spam folder, please mark it as "Not Spam")