FreesoundDataset - Telephone dialing, DTMF

Hierarchy	> Sounds of things > Alarm > Telephone > Telephone dialing, DTMF
Description	The sound of a telephony signaling system where short combinations of tones within the frequency range of human speech are used to transmit individual digits.
URI	http://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling
Siblings	Dial tone Telephone bell ringing Cellphone buzz, vibrating alert Busy signal Ringtone
Examples
# audio samples	224
# ground truth	85 (propagated from children: 0)

Audio samples with candidate annotations for
Telephone dialing, DTMF

Sound	Freesound URL	# PP	# PNP	# NP	# U
	http://freesound.org/s/77133	3	0	1	1
	http://freesound.org/s/170455	4	0	1	0
	http://freesound.org/s/95739	2	3	0	0
	http://freesound.org/s/181937	0	4	0	0
	http://freesound.org/s/164032	2	0	1	1
	http://freesound.org/s/64086	1	0	1	2
	http://freesound.org/s/202128	3	0	0	1
	http://freesound.org/s/403674	4	0	0	0
	http://freesound.org/s/178819	1	0	2	0
	http://freesound.org/s/17053	0	0	2	1

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