run ecc in parallel on demodulation

2026-04-18 20:25:59 +08:00 · 2014-07-20 12:42:42 +03:00
parent 1b5c1e7541
commit a431b04d1c
3 changed files with 24 additions and 27 deletions
--- a/send.py
+++ b/send.py
@@ -60,7 +60,10 @@ def main(fname):
                 training_size / wave.bytes_per_second)

        log.info('%d bits to be send', len(data)*8)
-        bits = list(to_bits(ecc.encode(data)))
+        buf = bytearray()
+        for block in ecc.encode(data):
+            buf.extend(block)
+        bits = list(to_bits(buf))
        ecc_ratio = 1.0 - len(data)*8.0 / len(bits)
        log.info('%d bits modulated (%.1f%% ECC)', len(bits), ecc_ratio * 100)
        modulate(fd, bits)