Interference sound effects

Old modem, dial-up modem (3)

428 7

Old modem, dial-up modem (2)

536 15

Radio talks, voices on the radio

477 11

Radio tuning: foreign radio stations

680 23

Transistor radio: am tuning

3928 1018

Tonal noise on the radio

2861 750

Test tone: pink noise

3635 771

1950s television: zenith television

4817 1274

1950s television: zenith television (2)

4567 1220

1950s television: philco television

3312 1034

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

2970 983

Static noise

3172 813

Static recording noise

3792 1091

Static noise (7)

4660 1272

Phone line crackling

3014 925

Brown noise (2)

4701 1245