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Audio Solutions Question of the Week: How Do I Avoid Cable Noise With a Lavalier Microphone?

Question: How do I avoid cable noise with a lavalier microphone?

Answer: Lavalier microphones are used in a variety of applications, including presentations. These mics allow presenters to not only move about freely, but also use their hands as needed. Lavalier microphones are also a popular choice to use when shooting video, as the mics can be hidden from camera view easily. In either application, the person wearing the microphone will likely be moving around and, if the mic is not attached properly, there is potential for the cable to rub against clothing and create unwanted noise.

Audio Solutions Question of the Week: How Do I Avoid Cable Noise With a Lavalier Microphone?

AT899                                                                        AT898

The most popular technique for reducing cable noise is the “broadcast loop,” also known as the “newsman’s loop.” This method secures the cable in the tie clip and helps to stop the microphone cable from rubbing against clothing, therefore preventing cable noise. It also helps prevent the mic from accidentally being pulled out of place.

To create a broadcast loop for a lavalier mic, such as the AT899 and AT898, both of which include the AT899AK accessory kit, perform the following steps:

  • Attach the microphone to the clip with the cable hanging down.
  • Loop the cable in the form of the letter J and attach it to the smaller grip.
  • Complete the top portion of the loop and bring the cable down through the clap portion of the clip. This will allow the cable to be held in the teeth of the tie clip against the clothing.

    • Note, this will not damage the cable.

  • Attach the microphone to the person wearing the microphone in the desired position. Dress the cable down through the rest of the clothing as appropriate through the rest of the clothing as appropriate.

You may view the complete setup for a lavalier mic with a broadcast loop in the video below:

There are additional techniques used to hide the microphone and prevent clothing from touching the capsule area. Some people wrap the microphone element in moleskin or cloth camera tape. You may view this technique in the following video:

If you have questions on how to best rig your lavalier microphone, please contact the Audio-Technica Audio Solutions Department.