Electro-magnetic interference from an AT&T; cordless phone handset CL82301 when held and shaken back and forth near the internal Ferrite antenna on the back right of a 13-year-old boombox near the bottom of the AM broadcast band. Recorded with Goldwave from line-in.
Phone is in standby off charger generating a series of EMF tones picked up on the radio. As I shake the phone, the tone pitch-bends slightly. I shake in rhythm with the tone sequence. Why does it do this? I have no idea. It's not a smartphone with an accelerometer, just a simple cordless home phone.
Type
Wave (.wav)
Duration
0:42.970
File size
7.2 MB
Sample rate
44100.0 Hz
Bit depth
16 bit
Channels
Stereo
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