When you attach an external microphone to your camcorder, you're going to have to change some settings on the camcorder to tell it to ignore its internal microphone and record from the external. You'll also have to set gain controls to make sure that

Checklist for using an external microphone

When you attach an external microphone to your camcorder, you’re going to have to change some settings on the camcorder to tell it to ignore its internal microphone and record from the external. You’ll also have to set gain controls to make sure that you’re recording good levels. Here’s a checklist for attaching an external microphone that you might find useful.

1. Connect the cables. Start by connecting the microphone to the camcorder, and powering up any external devices like the BeachTek unit.

2. Power up the microphone. If necessary, make sure that the microphone is powered. Typically, dynamic microphones don’t need power, while condenser microphones do. This will either be a switch on the camcorder or on the external XLR adapter.

3. Choose line or microphone input. On the camcorder, select whether you’re inputting microphone or line power. Most powered devices (sound boards, BeachTek XLR adapters) output line power, most unpowered devices output microphone. You’ll know whether you have the wrong setting – if the volumes are too low, you’ve probably selected line and are receiving microphone; if too loud, you’ve selected microphone and are inputting line.

4. Configure camcorder to accept external audio. This will either be an external switch or internal menu option.

5. Choose auto or manual gain control (I almost always use auto for live performances, manual for interviews).

6. Attach headphones and gauge audio quality. Listen for hum, pops and distortion.

7.  Find volume meters and monitor while recording. If the waveform goes flatline on you, or changes appreciably for no apparent reason, you obviously have a problem.

About Jan Ozer

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I help companies train new technical hires in streaming media-related positions; I also help companies optimize their codec selections and encoding stacks and evaluate new encoders and codecs. I am a contributing editor to Streaming Media Magazine, writing about codecs and encoding tools. I have written multiple authoritative books on video encoding, including Video Encoding by the Numbers: Eliminate the Guesswork from your Streaming Video (https://amzn.to/3kV6R1j) and Learn to Produce Video with FFmpeg: In Thirty Minutes or Less (https://amzn.to/3ZJih7e). I have multiple courses relating to streaming media production, all available at https://bit.ly/slc_courses. I currently work as www.netint.com as a Senior Director in Marketing.

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