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DTFM Dial Tones | Better HN
DTFM Dial Tones
(opens in new tab)
(onlinetonegenerator.com)
2 points
uptakeinhibitor
3y ago
2 comments
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ggm
3y ago
Dual-tone multi-frequency so DTMF
uptakeinhibitor
OP
3y ago
DTFM Dial Tone generator. Apperantly each tone is just a sum of two sine waves. Cool!
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