X-Git-Url: http://git.harvie.cz/?a=blobdiff_plain;f=c%2Fgoertzel%2FREADME.md;h=ee9cd805833872f4996b0cc24f43064421d62f34;hb=7f021ac661f2ad4b3dfbfa55ac168e60bfe74b32;hp=d32a00b0fdffab1840b531ee62afda421b0d3ac8;hpb=7cd5c7da35ac8f7e5596e4133c85e1f24e66f418;p=mirrors%2FPrograms.git diff --git a/c/goertzel/README.md b/c/goertzel/README.md index d32a00b..ee9cd80 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) @@ -16,9 +15,9 @@ Scriptable tone detection and audio analysis * **dtmf.sh**: decodes DTMF signals in audio * **histogram.pl**: shows goertzel output in ASCII graphs * **histogram.sh**: example using histogram.pl to draw realtime equalizer + * **guitar-tuner.sh**: example using histogram.pl to tune guitar (currently only to low E) * **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 + * **sleepplot.sh**: Generates gnuplot graph from sleeplog * TODO - * Guitar tuner * Send me more...