Shielding Audio Equipment from Cell Phone Interference

Categories: Audio, Media

In the words of Gary Guinn (AKG Acoustics), “The past two years have brought a whirlwind of engineering nightmares with Blackberry and other wireless units creating problems in wired and wireless microphones.”

Indeed, combining shielded and unshielded wires with wireless phones and other wireless devices can lead to interference and buzz (you can hear samples of the issue, and

Solutions have been presented but none are ideal:

Another interesting solution (suggested here):
IEEE suggestion (add ferrite cores):

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