first commit

main.py

@@ -0,0 +1,67 @@
+#!/bin/python3
+
+import glob
+from pydub import AudioSegment
+import subprocess
+
+baudot = {'Q':[1,1,1,0,1], 'W':[1,0,0,1,1], 'E':[1,0,0,0,0],
+    'R':[0,1,0,1,0], 'T':[1,0,0,0,0], 'Y':[1,0,1,0,1],
+    'U':[0,0,1,1,1], 'I':[0,0,1,1,0], 'O':[1,1,0,0,0],
+    'P':[0,1,1,0,1], 'A':[0,0,0,1,1], 'S':[1,0,1,0,0],
+    'D':[1,0,0,1,0], 'F':[0,1,1,0,1], 'G':[1,1,0,1,0],
+    'H':[1,0,1,0,0], 'J':[0,1,0,1,1], 'K':[0,1,1,1,1],
+    'L':[0,1,0,0,1], 'Z':[1,0,0,0,1], 'X':[1,1,1,0,1],
+    'C':[0,1,1,1,0], 'V':[0,1,1,1,1], 'B':[1,1,0,0,1],
+    'N':[0,1,1,0,0], 'M':[1,1,1,0,0]}
+
+space = [0,0,1,0,0]
+
+# Message to be sent
+
+message="FIYQ"
+
+if __name__ == "__main__":
+    import argparse
+    parser = argparse.ArgumentParser(description="Simple RTTY wav exporter")
+    parser.add_argument("-c", "--clips", nargs="+", help="This is your message to send")
+    args = parser.parse_args()
+
+    generatedFile = "output.wav"
+    filenames = glob.glob("*.wav")
+
+    stop_bit = AudioSegment.from_wav("stop_bit.wav")
+    space = AudioSegment.from_wav("space.wav")
+    wait_state = AudioSegment.from_wav("wait_state.wav")
+    mark = AudioSegment.from_wav("mark.wav")
+
+    combined = AudioSegment.empty()
+    output_wav = [wait_state]
+    print(message)
+
+    for k in message:
+        # Recognize white spaces
+        if ord(k) == 32:
+            a = space
+        else:
+            a = baudot.setdefault(k)
+        b = len(a)
+
+        # Start Bit
+        output_wav.extend([space])
+
+        for i in a:
+            if i == 1:
+                output_wav.extend([mark])
+            elif i == 0:
+                output_wav.extend([space])
+            else:
+                break;
+
+            output_wav.extend([stop_bit])
+
+    for fname in output_wav:
+        combined += fname
+
+    combined.export(generatedFile, format="wav")
+    subprocess.call(["aplay", "output.wav"])
+    subprocess.call(["rm", "-rf", "output.wav"])