Linux/AM5728: GStreamer pipeline to detect DTMF tone from Audio jack

Brijesh Gupta

Part Number: AM5728

Tool/software: Linux

We have tried GStreamer Pipeline for DTMF detection from Audio file using the below command :

gst-launch-0.10 -m filesrc location="file.wav" ! decode bin ! audio convert ! dtmf detect ! autoaudio sink ! grep dtmf-event

In the same way, we are trying GStreamer pipeline for DTMF detection, by giving live input audio streaming with RS232 on Audio Jack.

Please can anyone help us with the detailed solution.

0 Margarita Gashova over 6 years ago

Hello,

Since I know DTMF can arrive in two forms, sound or RTP events. You can receive RTP events with rtpdtmfdepay element. There is also dtmfdetect which will try to detect DTMF in the incoming sound.
Here are the link to both elements:
gstreamer.freedesktop.org/.../gst-plugins-good-plugins-rtpdtmfdepay.html
gstreamer.freedesktop.org/.../gst-plugins-bad-plugins-dtmfdetect.html

Hope this helps.

BR
Margarita

0 Margarita Gashova over 6 years ago in reply to Margarita Gashova

0 Margarita Gashova over 6 years ago in reply to Margarita Gashova

Hello,

Please if this answers your question click the "This resolved my issue" button.
Thank you!

Best Regards,
Margarita

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