audio file

[dk3wn]

Hi,
for testing your soundmodem software you can use this file here:

http://www.dk3wn.info/sounds/ande2_test.wav

73, Mike
DK3WN

[Hiroshi Iwamoto]

Hello all.

Thanks soundfile, Mike-san.

Following results are from original (AX.25) soundmodem.
FX.25 software can decode #2 and #4, NO POLLUX.

1)fm POLLUX-1 to CQ-0 via TELEM-0 UI pid=F0
SYST 322839 0 0 33 0 0024 1438 0174 1318 0013 1318 005e 0ea0 001d 0d90
ffff ffff 0156 08d8 0fbe 003a

2)fm KD4HBO-1 to CQ-0 via TELEM-0 UI pid=F0
SYS 318060 65535 0 30 0 fff3 0ac8 ffca 08b8 fe8e 1210 ffe7 0d88 ffb7
1078 ff97 0f38 13.7 5.0 9.9 .17 0.58 1.32 11.06 8.76 8.76 49 44 17

3)fm POLLUX-1 to CQ-0 via TELEM-0 UI pid=F0
MEMS 322938 2.58 2.57 2.44 17.03 17.03 14.884 -0.882 0.227 -2.553
-8.79 -24.64 -8.45 21.11 21.78 21.32 2.60 1 24 31 ..

4)fm KD4HBO-1 to CQ-0 via TELEM-0 UI pid=F0
SYS 318090 65535 0 30 0 fff3 0b10 ffc7 08d0 fea7 1270 ffe5 0dc8 ffb9
1078 ffa4 0f40 13.8 5.0 9.9 .03 0.31 1.66 11.06 8.76 8.19 46 48 16

BTW

FX.25 software said can't find AX.25 flag.
But original soundmodem can find flags and decode more packets.

-----8<-----8<-----
Correlation Tag found, Phase= 1

FEC block data
(snip)

Decode_RS entry
FEC complete, detected 255 errors

No initial AX.25 flag =cf

Fault code = Strip
-----8<-----8<-----

In my case, soundmodem display sometime slow down, in other word,
stop showing raw data. AX.25 flag was gone?!

We need more horse power to decode FX.25?
I use intel Atom 2...@1.6GHz.

Hiro, JH4XSY/1