def wavfileinput(filename, verbose=False, dodistance=False, homegrid="", homelatlon=[]):
# does the analysis for a wav file
# returns the packet array if you want it
sys.stderr.write("processing: " + filename + "\n")
packets = jt65wrapy.decodewav(filename)
if verbose:
print packets
for packet in packets:
diffs = checkpacket(packet, verbose)
if len(diffs) <= 26: # need to toss these... offair decoder is better than analysis decoder (we don't have deletions here)
output(diffs, packet, dodistance, homegrid, homelatlon)
return packets
def test_DecodeWav(self):
expectedresult = "KB2BBC KA1AAB DD44"
msg = np.array(
[39, 19, 16, 44, 29, 13, 58, 19, 13, 14, 20, 44, 17, 20, 25, 31, 46, 2, 29, 35, 56, 17, 11, 20, 39,
51, 7, 30, 26, 11, 17, 27, 21, 11, 30, 34, 46, 48, 15, 53, 14, 26, 12, 7, 5, 8, 42, 41, 37, 19,
16, 35, 63, 20, 3, 12, 38, 26, 8, 37, 22, 23, 29])
tones = jt65sound.toneswithsync(msg)
jt65sound.outputwavfile("test_output.wav", tones)
result = jt.decodewav("test_output.wav")
symbols, confidence, jt65result, s2db, freq, a1, a2 = result[0]
os.remove("test_output.wav") # Cleanup!
self.assertEqual(len(result), 1)
self.assertEqual(symbols, msg.tolist())
self.assertEqual(
confidence, [255] * 63) # 63 symbols with 100% confidence
self.assertEqual(jt65result, expectedresult)
def inputwavfile(filename, verbose=False):
# Performs decoding of JT65 wav file
messages = jt.decodewav(filename)
if verbose:
for currentmsg in messages:
symbols, confidence, jt65msg, s2db, freq, a1, a2 = currentmsg
print "Decoded file : " + filename
print "Symbols : " + str(symbols)
print "Confidence : " + str(confidence)
print "JT65 Msg : " + jt65msg
print "S2DB : " + s2db
print "Freq : " + freq
print "a1 : " + a1
print "a2 : " + a2
return messages
def wavfileinput(filename,
verbose=False,
dodistance=False,
homegrid="",
homelatlon=[]):
# does the analysis for a wav file
# returns the packet array if you want it
sys.stderr.write("processing: " + filename + "\n")
packets = jt65wrapy.decodewav(filename)
if verbose:
print packets
for packet in packets:
diffs = checkpacket(packet, verbose)
if len(
diffs
) <= 26: # need to toss these... offair decoder is better than analysis decoder (we don't have deletions here)
output(diffs, packet, dodistance, homegrid, homelatlon)
return packets
