Interference sound effects

Old modem, dial-up modem (3)

309 5

Old modem, dial-up modem (2)

391 10

Radio talks, voices on the radio

363 8

Radio tuning: foreign radio stations

556 18

Transistor radio: am tuning

3822 1017

Tonal noise on the radio

2768 750

Test tone: pink noise

3499 768

1950s television: zenith television

4771 1274

1950s television: zenith television (2)

4514 1219

1950s television: philco television

3252 1033

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

2929 983

Static noise

3024 812

Static recording noise

3652 1085

Static noise (7)

4585 1270

Phone line crackling

2857 918

Brown noise (2)

4590 1243