Interference sound effects

Old modem, dial-up modem (3)

537 11

Old modem, dial-up modem (2)

648 19

Radio talks, voices on the radio

565 12

Radio tuning: foreign radio stations

804 25

Transistor radio: am tuning

4057 1021

Tonal noise on the radio

2999 750

Test tone: pink noise

3758 779

1950s television: zenith television

4842 1275

1950s television: zenith television (2)

4614 1220

1950s television: philco television

3379 1035

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

3008 983

Static noise

3325 815

Static recording noise

3927 1104

Static noise (7)

4749 1274

Phone line crackling

3208 927

Brown noise (2)

4793 1246