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Beginning AMBE+ Extraction

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This commit is contained in:
Cort Buffington 2016-10-10 16:30:36 -05:00
parent c68439e4ac
commit 4a1c4abea7
1 changed files with 11 additions and 8 deletions
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19
dmr_decon.py
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@ -52,7 +52,10 @@ def voice_head_term(_string):
def voice_burst(_string): def voice_burst(_string):
burst = to_bits(_string) burst = to_bits(_string)
voice = burst[0:108] + burst[156:264] ambe = [0,0,0]
ambe[0] = burst[0:72]
ambe[1] = burst[72:108] + burst[156:192]
ambe[2] = burst[192:264]
sync = burst [108:156] sync = burst [108:156]
if sync.tobytes() == constants.BS_VOICE_SYNC: if sync.tobytes() == constants.BS_VOICE_SYNC:
cc = '\x00' cc = '\x00'
@ -65,7 +68,7 @@ def voice_burst(_string):
pi = to_bytes(emb[4:5]) pi = to_bytes(emb[4:5])
lcss = to_bytes(emb[5:7]) lcss = to_bytes(emb[5:7])
sync = False sync = False
return (voice, cc, lcss, sync) return (ambe, cc, lcss, sync)
def voice(_string): def voice(_string):
@ -118,42 +121,42 @@ if __name__ == '__main__':
t0 = time() t0 = time()
lc = voice_burst(voice_a) lc = voice_burst(voice_a)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Voice Burst B Validation:') print('Voice Burst B Validation:')
t0 = time() t0 = time()
lc = voice_burst(voice_b) lc = voice_burst(voice_b)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Voice Burst C Validation:') print('Voice Burst C Validation:')
t0 = time() t0 = time()
lc = voice_burst(voice_c) lc = voice_burst(voice_c)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Voice Burst D Validation:') print('Voice Burst D Validation:')
t0 = time() t0 = time()
lc = voice_burst(voice_d) lc = voice_burst(voice_d)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Voice Burst E Validation:') print('Voice Burst E Validation:')
t0 = time() t0 = time()
lc = voice_burst(voice_e) lc = voice_burst(voice_e)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Voice Burst F Validation:') print('Voice Burst F Validation:')
t0 = time() t0 = time()
lc = voice_burst(voice_f) lc = voice_burst(voice_f)
t1 = time() t1 = time()
print(h(lc[0]), h(lc[1]), h(lc[2]), lc[3]) print(lc[0], h(lc[1]), h(lc[2]), lc[3])
print(t1-t0, '\n') print(t1-t0, '\n')
print('Terminator Validation:') print('Terminator Validation:')