by Don » Fri Oct 06, 2017 5:03 pm
The audio amplified signal from the intercom output to the camera mic input is too hot and causing most of the distortion. There is also an impedance mismatch between the two. If your camera has an audio input trim control on it, then bring it way down. If not, you will need a separate external volume control box placed between the intercom output and camera input. I had the same problem, so when shopping for a new video camera I made sure the camera had a mic sensitivity input control on the camera. As you can see from video it works fairly well.
https://www.youtube.com/watch?v=WnDdrj7ZmhE
If you require an external volume control, there are many commercial units available. Most will require plug adopters from 1/8" to 1/4" so they can plug into the intercom output cable.
Example:
https://www.amazon.com/dp/B00XDKKQ9E?psc=1
Hope that helps.
The audio amplified signal from the intercom output to the camera mic input is too hot and causing most of the distortion. There is also an impedance mismatch between the two. If your camera has an audio input trim control on it, then bring it way down. If not, you will need a separate external volume control box placed between the intercom output and camera input. I had the same problem, so when shopping for a new video camera I made sure the camera had a mic sensitivity input control on the camera. As you can see from video it works fairly well.
https://www.youtube.com/watch?v=WnDdrj7ZmhE
If you require an external volume control, there are many commercial units available. Most will require plug adopters from 1/8" to 1/4" so they can plug into the intercom output cable.
Example: https://www.amazon.com/dp/B00XDKKQ9E?psc=1
Hope that helps.