2:48
EMF buzzing magnetic field tone from a London underground train - power up and down - motor idle 1.
1:27
EMF buzzing magnetic field tone from a 2017 Apple iPhone X - telephone data processing transmission - ...
1:56
EMF buzzing magnetic field tone from a Zoom H4n recorder - constant hum with ticking and static.
1:09
EMF buzzing magnetic field tone from a Wacom tablet - buzzing clicking.
1:06
EMF buzzing magnetic field tone from a VGA to HDMI adapter - constant noise.
0:34
EMF buzzing magnetic field tone from a Topward frequency counter - tones with a buzz 1.
1:17
EMF buzzing magnetic field tone from a Topward frequency counter - tones with a buzz 2.
0:42
EMF buzzing magnetic field tone from a Topward frequency counter - slow sequence.
0:41
EMF buzzing magnetic field tone from a Topward frequency counter - medium speed sequence.
0:37
EMF buzzing magnetic field tone from a Topward frequency counter - fast sequence.
2:00
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz and warble quickly ...
1:22
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz with a warble and ...
1:44
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz ramping up and ...
1:22
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz and a hum with ...
1:44
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz and constant tones ...
1:43
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz with beeps from ...
1:25
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz and warble with ...
0:59
EMF buzzing magnetic field tone from a Topward digital sweep function generator - buzz and hum.
0:56
EMF buzzing magnetic field tone from a Topham digital sweep function generator - buzz and hum with high- ...
0:47
EMF buzzing magnetic field tone from a Topham digital sweep function generator - buzz and hum with ...