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38 Free Frequence Sound Effects - Most Popular

Tone, Ringback Tone #1

Listen to this sound (#1614)
Telephone tone when the phone rings in Europe. This is a sound wave frequency of 440 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Length: 00:40.
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Answering Machine Beep

Listen to this sound (#1616)
Telephone beep of an answering machine. This is a sound wave of 825 Hz sinusoidal frequency. This sound is easy to loop. UCS Category: COMTelph. Length: 00:01.
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Radio, Frequency Sweep #2

Listen to this sound (#2618)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:12.
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Tone, Ringback Tone #3

Listen to this sound (#1617)
Telephone tone when the phone rings, in the United States and Canada. These are two sound waves of frequencies 440 Hz and 480 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Length: 00:30.
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French Dial Tone: Call

Listen to this sound (#0767)
The tone of a telephone when calling my own mobile number. This is called Dual Tone Multi Frequency (DTMF) dialing. UCS Category: COMTelph. Length: 00:24.
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Tone, Ringback Tone #2

Listen to this sound (#1615)
Telephone tone when the phone rings in Europe. This is a sound wave frequency of 425 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Length: 00:41.
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Radio Interference #1

Listen to this sound (#0310)
Interference on a radio. Short passages on two radio channels. UCS Category: COMRadio. Length: 00:08.
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Hourly Bips #3

Listen to this sound (#1629)
4 beeps as transmitted to the radio, France Inter, for example. It is a sinusoidal wave of frequency 1050 Hz. UCS Category: BEEP. Length: 00:04.
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Radio, frequency sweep #3

Listen to this sound (#2619)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:08.
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Tone, ringback tone #4

Listen to this sound (#1618)
Telephone tone when the phone rings, in the UK, Ireland, New Zealand and many other countries with historical ties to the Commonwealth. These are two sound waves of frequencies 400 Hz and 450 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Length: 00:30.
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Tone, busy #1

Listen to this sound (#1610)
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal, slightly clipped. Half a second, every second. This sound is easy to loop. UCS Category: COMTelph. Length: 00:12.
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Key 1 in DTMF

Listen to this sound (#3392)
The audible signal when the 1 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Tone, busy #2

Listen to this sound (#1611)
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal. Half a second, every second. This sound is easy to loop. UCS Category: COMTelph. Length: 00:20.
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Radio, frequency sweep #4

Listen to this sound (#2620)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:03.
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Tone, matching search #2

Listen to this sound (#1613)
Telephone tone when searching a correspondent. This is a sound wave frequency of 440 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Length: 00:01.
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Radio, frequency sweep #6

Listen to this sound (#2622)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:10.
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Radio, frequency sweep #1

Listen to this sound (#2617)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:06.
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Key 3 in DTMF

Listen to this sound (#3394)
The audible signal when the 3 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Radio interference #2

Listen to this sound (#0311)
Interference by radio. UCS Category: COMRadio. Length: 00:05.
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Key 2 in DTMF

Listen to this sound (#3393)
The audible signal when the 2 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 0 in DTMF

Listen to this sound (#3401)
The audible signal when the 0 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 4 in DTMF

Listen to this sound (#3395)
The audible signal when the 4 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key # in DTMF

Listen to this sound (#3403)
The audible signal when the # key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 6 in DTMF

Listen to this sound (#3397)
The audible signal when the 6 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 7 in DTMF

Listen to this sound (#3398)
The audible signal when the 7 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 9 in DTMF

Listen to this sound (#3400)
The audible signal when the 9 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Tone, matching search #1

Listen to this sound (#1612)
Telephone tone when searching a correspondent. This is a sound wave frequency of 440 Hz sinusoidal, slightly clipped. This sound is easy to loop. UCS Category: COMTelph. Length: 00:01.
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Key 5 in DTMF

Listen to this sound (#3396)
The audible signal when the 5 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 8 in DTMF

Listen to this sound (#3399)
The audible signal when the 8 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key * in DTMF

Listen to this sound (#3402)
The audible signal when the * key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Radio, frequency sweep #10

Listen to this sound (#2626)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:09.
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Radio, frequency sweep #7

Listen to this sound (#2623)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:17.
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Radio, frequency sweep #5

Listen to this sound (#2621)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:09.
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Radio, frequency sweep #8

Listen to this sound (#2624)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:08.
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Hourly bips #1

Listen to this sound (#1627)
6 bips as transmitted on the BBC from the year 1924 to 1971. It is a sine wave of frequency 1 kHz. More info: https://www.miketodd.net/other/gts.htm. UCS Category: BEEP. Length: 00:06.
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Radio, frequency sweep #9

Listen to this sound (#2625)
Manual frequency scan of a radio tuner. UCS Category: COMRadio. Length: 00:10.
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Hourly bips #2

Listen to this sound (#1628)
6 bips as transmitted on the BBC since the year 1972. It is a sine wave of frequency 1 kHz. More info: https://www.miketodd.net/other/gts.htm. UCS Category: BEEP. Length: 00:06.
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French dial tone

Listen to this sound (#0766)
French dial tone. 440 Hz. UCS Category: COMTelph. Length: 00:03.
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