need to record audio and video in 1 channel

[krithik49 0]

hi frns i have 4 channel and 1 audio in & out dvr.my cam have video out only.i need to record camera location audio.how to select adaptor or connector for this work.pls reply frns in need to do immediately....................

i have microphone

Edited June 5, 2013 by Guest

[Kawboy12R 0]

http://www.etsnm.com/microphones.html

[Securame 0]

i have microphone

 

Then if you have a microphone, what is your question?

[krithik49 0]

i found the problem my old dvr not supporting the audio and video recording