EngineerZone Forum
Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (1 topics).
1 topics · 5 messages
Filtered by: #dtmf ✕
-
Tone Detection with the Goertzel Algorithm
The Goertzel algorithm detects the presence of a chosen frequency range in an audio stream. It's often used for tone decoding, such as in DTMF (tone dialing) and CTCSS (subaudible tone squelch). Unlik