Implemented Hotword Detection, Improved Accuracy, Corpus Generator

.gitignore

@@ -1,13 +1,15 @@
-output/unwanted-stuff.log
-output/words.txt
+output/*
+inputs/*
 ._*
 decode
+snowboy-decode
 testfiles/filtered.wav
 testfiles/noisy.wav
 output/*.txt
 output/*.log
-
-#
+/output/
+# swap files
+*.swp
 # Prerequisites
 *.d
 

Makefile

@@ -3,9 +3,16 @@ default: decode
 decode.o: decode.c 
 	    gcc -c decode.c -o decode.o
 
-decode: decode.o
+snowboy-decode.o: snowboy-decode.c
+		gcc -c snowboy-decode.c -o snowboy-decode.o
+
+decode: decode.o snowboy-decode.o
 	    gcc decode.o -o decode
+		gcc snowboy-decode.o -o snowboy-decode
 
 clean:
 	    -rm -f decode.o
 	    -rm -f decode
+		-rm -f snowboy-decode
+		-rm -f snowby-decode.o
+

accuracy-test.csv

@@ -0,0 +1,19 @@
+What I said, What Klauba heard
+Take me to room 2337,Take me to room 2337
+How do I get to room 2335,How do I get to room 2335
+Go forward,Go forward
+Go backward,Go backward
+Move left,Move left
+Move right,Move right
+Where am I,Where am I?
+Show me to room 2341,Show me to room 2341
+Stop,Stop
+Move forward,Move forward
+Move backward,Move backward
+Where is 2342,Where is 2342
+Where is room 2346,Where is room 2346
+How do I get to room 2360,How are you get to room 2360
+Stop moving,Stop moving
+Hi Klauba,I Klauba
+Hello Klauba,Hello Klauba
+

decode.c

@@ -6,20 +6,23 @@
 
 int main(void) {
     struct timespec start, end;
-
+    if (getenv("SPEECH_RECOGNITION") == NULL) {
+	system("echo Please set the SPEECH_RECOGNITION environment variable to point to the git repository");
+	return 1;
+    }
     system("export LD_LIBRARY_PATH=/usr/local/lib");
-    system("aplay /home/pi/speech2text/beep-07.wav");
-    system("arecord --format=S16_LE --duration=5 --rate=16k -D sysdefault:CARD=1 --file-type=wav testfiles/noisy.wav");
-    system("aplay /home/pi/speech2text/beep-08b.wav");
+    system("aplay $SPEECH_RECOGNITION/beep-07.wav");
+    system("arecord --format=S16_LE --duration=5 -r 16000 --file-type=wav inputs/noisy.wav");
+    system("aplay $SPEECH_RECOGNITION/beep-08b.wav");
     system("echo done recording...");
-    system("python testfiles/noiseClean.py");
+    system("python noiseClean.py");
     system("echo done cleaning...");
     clock_gettime(CLOCK_REALTIME, &start);
     system("\
         pocketsphinx_continuous \
-        -infile testfiles/noisy.wav \
-        -dict dicts/3651.dic \
-        -lm dicts/3651.lm \
+        -infile inputs/filtered.wav \
+        -dict ./models/corpus/Corpus_V3/100.dic \
+        -lm ./models/corpus/Corpus_V3/100.lm \
         2>./output/unwanted-stuff.log | tee ./output/words.txt");
     // pocketsphinx_continuous -infile testfiles/speech.wav -dict dicts/8050.dic -lm dicts/8050.lm 2>./output/unwanted-stuff.log | tee ./output/words.txt
     system("echo done decoding...");