readme

[mirrors/Programs.git] / c / goertzel / README.md

diff --git a/c/goertzel/README.md b/c/goertzel/README.md
index a21b5ccb82b688b4df7f5a79b700f834ebe8884b..ee9cd805833872f4996b0cc24f43064421d62f34 100644 (file)
--- 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)
@@ -16,8 +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
   * TODO
-     * Guitar tuner
      * Send me more...