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Online DTMF Tone Generator - Audio Check
https://www.audiocheck.net/audiocheck_dtmf.php
Dual-Tone Multi-Frequency (DTMF) is the signal that you generate when you press an ordinary telephone's touch keys. Over the years, DTMF has replaced Pulse dialing, the early type of telephone dialing in which short pulses were used to relay the dialed number. With DTMF, each keypress on your phone generates tones made of two specific frequencies. 1209 Hz.
Pre-Recorded Audio Files - Aspect
https://evolution.voxeo.com/library/audio/prompts/dtmf/index.jsp
Pre-Recorded Audio Files << Back. DTMF Tones audio-dtmf.zip. Dtmf-0.wav Dtmf-1.wav Dtmf-2.wav Dtmf-3.wav Dtmf-4.wav Dtmf-5.wav Dtmf-6.wav Dtmf-7.wav Dtmf-8.wav Dtmf-9.wav Dtmf-pound.wav Dtmf-star.wav ©2002-2022 Voxeo Corporation - VoiceXML Hosting ...
Download DTMF Dual-Tone Multi-Frequency MP3 Files 2600 Hz …
http://www.jerrywhiting.com/dtmf/
dual-tone multi-frequency DTMF (Dual-tone multi-frequency) tones are the sounds generated by touch tone phones. When a key on a phone keypad is pushed not one but two different frequencies are generated, hence the name dual tone multi frequency. DTMF is also known as tone dialing as opposed to the older pulse dialing.
Detect DTMF Tones - DialABC
http://www.dialabc.com/sound/detect/
Detect DTMF Tones. DialABC lets you find DTMF tones within audio clips. All you have to do is to upload an audio file to the dialabc web site using the form below. Our software then analyzes the audio recordingand presents you with some statistics, a graph and a table showing you what DTMF tones are contained in the data and where.
Download DTMF Tone Decoder 2019 - softpedia
https://www.softpedia.com/get/Multimedia/Audio/Audio-Mixers-Synthesizers/Spectrum-Analyzer-DTMF-Tone.shtml
DTMF Tone Decoder is a professional software application designed to help audio technicians analyze WAV files. It comes with support for spectrum analyzer, WAV recorder/player with built-in …
DTMF-Decoder by tino1b2be
https://tino1b2be.github.io/DTMF-Decoder/
DTMF Decoder for .wav and .mp3 files or when given an array of sample points. (double[] / double[2][]). The API can decode only mono and stereo channeled audio signals. It separately decodes and returns the DTMF tones found in each channel. Has an audio file interface which can be implemented for more audio file types (ogg, wma, etc…)
Dtmf Sounds | Free Sound Effects | Sound Clips | Sound Bites
https://soundbible.com/tags-dtmf.html
Dtmf Sounds Here are the sounds that have been tagged with Dtmf free from SoundBible.com Please bookmark us Ctrl+D and come back soon for updates! All files are available in both Wav and MP3 formats. Public Domain DTMF Tones Some DTMF tones generated in audacity. It sounds like a phone dialing. Great phone, modem, or fax sound effects KevanGC
dialDTMF - Browse /dtmf wav files at SourceForge.net
https://sourceforge.net/projects/dialdtmf/files/dtmf%20wav%20files/
dialDTMF is a library for dialing DTMF's (it is not a DTMF tone generator). An example usage of the library is included which is a Pocket Contact… dialDTMF - Browse /dtmf wav files at SourceForge.net
c# - Decoding DTMF from a WAV file - Stack Overflow
https://stackoverflow.com/questions/34092954/decoding-dtmf-from-a-wav-file
If both are above a certain threshold then a DTMF tone has been detected. What you use as threshold depends on the signal to noise ratio (SNR) of your sample. For a start it should be sufficient to calculate the mean of all Goerzel values, multiply the mean by a factor (e.g. 2 or 3), and check if the two highest Goerzel values are above that value.
DTMF Tones - DialABC
http://dialabc.com/sound/dtmf.html
The sounds used for touch tone dialing are refered to as DTMF (Dual Tone Multiple Frequencies) tones. Each number (as well as the "#" and "*") is represented by a pair of tones. For instance, the number "1" is represented by the frequencies 1209 Hz and 697 Hz. The following table shows the DTFM frequencies and the corresponding keys.
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