X-Git-Url: http://git.harvie.cz/?a=blobdiff_plain;f=c%2Fgoertzel%2FREADME.md;h=315c7be0f95d22de9708d9e29d4936330adbbe4b;hb=43f096b6df33a61b9649067c807d72e7aab5f6d0;hp=a21b5ccb82b688b4df7f5a79b700f834ebe8884b;hpb=cd083ed09b3b986be243f581dcbc83483a30e16c;p=mirrors%2FPrograms.git diff --git a/c/goertzel/README.md b/c/goertzel/README.md index a21b5cc..315c7be 100644 --- a/c/goertzel/README.md +++ b/c/goertzel/README.md @@ -4,8 +4,7 @@ Scriptable tone detection and audio analysis ## Contents * **goertzel.c** - * Does all the dirty work using Goertzel algorithm - * http://en.wikipedia.org/wiki/Goertzel_algorithm + * Does all the dirty work using [Goertzel algorithm](http://en.wikipedia.org/wiki/Goertzel_algorithm) * Detect specified tones and print their levels * Filter tones using tresholds * Eg.: Print levels only when treshold is crossed (=event detection) @@ -18,6 +17,7 @@ Scriptable tone detection and audio analysis * **histogram.sh**: example using histogram.pl to draw realtime equalizer * **sleepmon.sh**: Generates frequency on soundcard output and detects it on input * Can be used to detect and log motion using soundcard and PIR sensor or NC switch + * **sleepplot.sh**: Generates gnuplot graph from sleeplog * TODO * Guitar tuner * Send me more...