Interference sound effects

Old modem, dial-up modem (3)

650 15

Old modem, dial-up modem (2)

787 25

Radio talks, voices on the radio

664 13

Radio tuning: foreign radio stations

923 31

Transistor radio: am tuning

4137 1021

Tonal noise on the radio

3093 750

Test tone: pink noise

3926 798

1950s television: zenith television

4880 1277

1950s television: zenith television (2)

4654 1222

1950s television: philco television

3439 1037

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

3038 983

Static noise

3593 821

Static recording noise

4148 1123

Static noise (7)

4842 1281

Phone line crackling

3542 935

Brown noise (2)

4907 1252