Interference sound effects

Old modem, dial-up modem (3)

230 3

Old modem, dial-up modem (2)

306 8

Radio talks, voices on the radio

276 7

Radio tuning: foreign radio stations

462 12

Transistor radio: am tuning

3733 1017

Tonal noise on the radio

2700 750

Test tone: pink noise

3378 767

1950s television: zenith television

4704 1271

1950s television: zenith television (2)

4461 1219

1950s television: philco television

3200 1032

Stereo system: turntable stylus placed at the beginning of the recording

2864 983

Static noise

2847 812

Static recording noise

3546 1080

Static noise (7)

4503 1269

Phone line crackling

2751 915

Brown noise (2)

4521 1243