Update app.py

app.py

@@ -82,7 +82,7 @@ def encrypt_file(filepath, factor):
     checksum = calculate_checksum(data)
     
     # Convert data to audio samples
-    samples = [ord(byte) * factor for byte in data.decode('latin-1')]
+    samples = [int(byte * factor) for byte in data]
     
     # Add checksum to the beginning of the samples
     checksum_samples = [ord(byte) for byte in checksum.encode('ascii')]