signal processing - detect audio tones near real time in c# -


i try detect audio signals(pure sine) in near real time. know latency. in start try detect tones of 10khz in duration of 75ms. achieved goertzel filter. prefered technique issue? thought of making little buffer detected goertzel, sounds bad because don't know when the signal starts. can give me or idea ? thanks

you'll have trying here (please contact me if fix inaccuracy issues though) naudio waspiloopback goertzel

you can take at: decoding dtmf wav file have helped me lot in getting can barely work, it's pretty start.


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