init

solver.py

@@ -0,0 +1,55 @@
+from scipy.io import wavfile
+import sys
+samplerate, data = wavfile.read('./output.wav')
+
+if len(sys.argv) < 2:
+    print("Usage:", "python3", sys.argv[0], "<file.wav>")
+    exit(1)
+
+i = 0
+countsilent = 0
+samplefound = 0
+
+avg = []
+start = 0
+end = 0
+avg.append([0])
+
+for sample in data:
+    i+=1	
+    if(sample[1]<100):
+        countsilent += 1
+    if(countsilent > 10000 and sample[1]>100):
+        countsilent = 0
+        #print(str(i)+": sample found")
+        start = i
+        samplefound = 1
+    if(countsilent > 8000 and samplefound==1):
+        samplefound = 0
+        #print(str(i)+": sample ended")
+        end = i
+        avg[len(avg)-1]=avg[len(avg)-1]/(end-start)
+        avg.append([0])
+    if (samplefound == 1):
+        avg[len(avg)-1] += sample[1]
+        
+alphabet = "abcdefghijklmnopqr stuvwxyz"
+avgs = {}
+
+i=0
+
+res=""
+
+for arr in avg:
+    value = round(arr[0], 2)
+    #print(value)
+    if str(value) not in avgs:
+        avgs[str(value)]=alphabet[i]
+        #print(str(value), "is", alphabet[i])
+        i+=1
+    res+=avgs[str(value)]
+    
+
+print(res)
+print("\n")
+print("plug the substitution cipher into https://www.guballa.de/substitution-solver and hope it worked!")