d603fc444d
minimodem: --alsa[=plughw:X,Y]
2012-09-09 15:24:35 -07:00
5ee6a23c42
simpleaudio: backend_device support
2012-09-09 15:24:01 -07:00
c2bb5c6205
simpleaudio-alsa: fix bogus latency, set 200 ms
2012-09-09 15:03:40 -07:00
7df0366e60
minimodem-0.12.1-1
2012-09-06 16:47:27 -07:00
fabd47ba99
minimodem: less aggressive refine on acquisition
2012-09-05 23:22:27 -07:00
2612aba0e2
minimodem-0.12-1
2012-09-05 09:45:34 -07:00
c8dd7ac06b
minimodem: fix --rx-one
2012-09-05 09:37:06 -07:00
3a1469b85e
minimodem: fix usage message
2012-09-05 09:36:12 -07:00
8931ae1311
baudot: use non-Baudot chars for debug output
2012-09-04 15:37:19 -07:00
30de59026b
minimodem: --inverted switches the mark/space freqs
2012-09-04 16:26:10 -07:00
8731b54bc2
minimodem: refine fsk frame position on carrier acquisition
...
FSK_ANALYZE_NSTEPS was previously 10.
Now FSK_ANALYZE_NSTEPS_CARRIER_LOCK is 100, and FSK_ANALYZE_NSTEPS is
reduced to 4.
(Also, try_confidence_search_limit = INFINITY on carrier acquisition frame).
Effects: Better initial phase lock on signal in the first
place; sloppier tracking of fast/slow signals; reduced longterm CPU load.
2012-09-03 23:31:16 -07:00
aa1124d6e7
minimodem: fix incorrect try_max_nsamples calculation
2012-09-02 14:25:43 -07:00
fd45b5571c
minimodem: restrict try_max_nsamples to 75% of a bit-width
...
... actually 125% of a bit width before acquiring carrier.
2012-09-02 14:27:04 -07:00
7b0e47ac4e
minimodem: --binary-output
2012-09-01 00:09:32 -07:00
a172268117
minimodem: auto get samplerate from audio files
2012-09-02 18:10:59 -07:00
0f3338a91b
minimodem: match sync_byte in the fsk layer
2012-09-02 12:02:06 -07:00
9187dd60a7
minimodem: --rx same (NOAA SAME protocol)
2012-09-01 13:34:50 -07:00
04cc215640
minimodem: --sync-byte {0xXX}
2012-09-01 14:54:32 -07:00
82c72352ab
minimodem: --startbits; deprecate -T
2012-09-01 13:33:49 -07:00
e2a51f093a
databits: split out the databits implementations
...
rename framebits to databits
added databits_binary decoder
2012-08-31 21:39:08 -07:00
a7d1602c9d
minimodem: calculate frame_bits_{mask,shift}
2012-08-31 20:42:05 -07:00
f16e318ae4
minimodem-0.11-1
2012-08-30 16:51:05 -07:00
cbd048aac6
minimodem: bfsk_nstartsbits variable
...
- FIXME: doesn't actually implement the proper expect_bits string
- only useful for testing SAME decoder's hardcoded "dddddddd" expect_bits
2012-08-30 16:02:53 -07:00
7b34e89433
minimodem: --stopbits replaces --txstopbits; better bps metric
...
RX metrics account for fractional number of stop bits (e.g 1.5);
RX bps metric slightly more accurate (?).
2012-08-30 15:05:33 -07:00
becf16761e
minimodem: fsk confidence thresholds: thresh=1.5, limit=2.3
...
Note: fsk_confidence_thresh can now be reduced to 1.5 due to track_amplitude.
2012-08-26 15:16:49 -07:00
3447a994b7
minimodem: track_amplitude signal amplitude drop
2012-08-30 00:07:15 -07:00
1ed3b8465a
fsk: confidence algo #6 : "SNR * (1-divergence)"
...
Disabled all the hardcoded noise limiters.
2012-08-24 22:38:41 -07:00
23a44ce374
tests: noise testcases
2012-08-30 00:25:15 -07:00
0c022aca03
minimodem: --rx-one quits after first no-carrier
2012-08-30 10:17:55 -07:00
b480b841da
minimodem: --Xrxnoise=factor adds test noise
...
Injects random noise to input signal (in memory) before analysis.
2012-08-30 00:00:19 -07:00
664f345636
tests: run fewer rate-slop cases
2012-08-30 09:00:02 -07:00
6d749c7771
simpleaudio-alsa: enable ALSA soft-resample
2012-08-29 21:26:47 -07:00
e59931beba
tests: amplitude
2012-08-25 10:07:26 -07:00
dd6040336d
minimodem: stats report ampl={amplitude}
2012-08-25 09:17:05 -07:00
f8434f3c94
simple-tone: fix sin() rounding for S16 shorts
...
- fix sine wave rounding for shorts
- short epsilon == 1
- clamp shorts to mag <= 1.0
2012-08-26 12:34:38 -07:00
762a3ea788
minimodem: --volume sets tx amplitude
2012-08-25 00:32:11 -07:00
501ee25c7d
fsk: expect_bits_string param, no start/stop bits required
...
fsk_find_frame() takes expect_bits_string (e.g. "10dddddddd1"), as a
parameter supplied by the caller allowing for encodings which don't use
any start/stop bits (e.g. just "dddddddd").
2012-08-24 13:20:20 -07:00
6bb683a90b
minimodem: fix broken -l switch
2012-08-23 19:23:33 -07:00
9c6b06f8b0
minimodem-0.10.1-2
2012-08-21 18:43:29 -07:00
3a26594c4b
debian: enable build hardening flags
2012-08-20 14:09:33 -07:00
8c23532836
minimodem-0.10.1-1
2012-08-19 16:10:38 -07:00
3999041f07
tests: run fewer rate-slop tests
2012-08-19 16:02:21 -07:00
e9263c9c9d
fsk: fix noise <= EPSILON handling
...
Handle noise <= EPSILON better; fixes (im)perfect test cases on i386.
2012-08-19 15:58:08 -07:00
96ec6450bb
minimodem: fix size_t %zu warnings on 32-bit platforms
2012-08-19 14:39:14 -07:00
c9efe7f5e8
debian: disable ALSA on non-Linux platforms
...
kfreebsd in Debian supplies alsa via the alsa-oss wrapper package, but that
is missing snd_pcm_recover() at least, so build --without-alsa on the
non-Linux platforms.
2012-08-19 13:52:35 -07:00
059719fe02
configure: move summary message
2012-08-19 13:16:13 -07:00
814a86eaf3
minimodem-0.10-1
2012-08-19 09:11:49 -07:00
e27dec4be8
add dspguide.com to THANKS
2012-08-19 07:54:42 -07:00
f81f069d95
minimodem: --limit (2.3) sets fsk_confidence_search_limit
...
Significant performance enhancements from fsk_confidence_search_limit:
runs far fewer FFT's when --limit (default 2.3) is less than INFINITY.
2012-08-18 21:24:01 -07:00
e1b055cf4f
fsk: AVOID_TRANSIENTS noise limiter re-enabled
...
Algo #5 needs this, just as #3 did.
2012-08-18 19:15:33 -07:00
Kamal Mostafa