 Joris van Rantwijk
|
4619295d9a
|
Simulated effects of IF filter bandwidth.
|
2014-01-12 18:12:53 +01:00 |
|
Joris van Rantwijk
|
13219ed6ba
|
Reorganize notes; measure effect of LNA gain, ADC calibration.
Python code to experiment with IF filtering.
|
2014-01-11 23:19:20 +01:00 |
|
Joris van Rantwijk
|
f1b4dc55d6
|
Add Python functions to demodulate FM and to measure quality of 19 kHz pilot.
|
2014-01-10 21:32:27 +01:00 |
|
Joris van Rantwijk
|
a256775f28
|
Update notes.
|
2014-01-09 21:18:44 +01:00 |
|
Joris van Rantwijk
|
f9d6cfd0d0
|
Add comments to Python code.
|
2014-01-05 22:02:08 +01:00 |
|
Joris van Rantwijk
|
6bce6702d2
|
Fix mistake in note about forbidden sample rate range.
|
2014-01-05 22:01:22 +01:00 |
|
Joris van Rantwijk
|
d1593544a4
|
Reject IF sample rates 900kS/s or lower because RTL chip does not support it.
|
2014-01-05 21:57:53 +01:00 |
|
Joris van Rantwijk
|
7948164205
|
Better handling of "-d list".
|
2014-01-05 21:57:53 +01:00 |
|
Joris van Rantwijk
|
6fd7c91e52
|
Print device name on stderr.
When invalid device index specified, print list of detected devices.
|
2014-01-05 21:57:53 +01:00 |
|
Joris van Rantwijk
|
357451f639
|
More notes about gain and filters.
|
2014-01-05 21:56:06 +01:00 |
|
Joris van Rantwijk
|
32dcfdd57f
|
Fix bug in Python code for reading raw samples.
|
2014-01-05 16:43:38 +01:00 |
|
Joris van Rantwijk
|
d4e12c75ce
|
Add notes. Start building Python module with useful algorithms.
|
2014-01-05 16:33:05 +01:00 |
|
Joris van Rantwijk
|
c71a39d3d2
|
Trivial cleanups in header files.
Print newline before message in signal handler.
|
2014-01-03 22:00:31 +01:00 |
|
Joris van Rantwijk
|
7f1a8bb1d7
|
Write valid .WAV header with dummy sample count at start of run.
As a result, the .WAV file is somewhat usable even during the recording run.
|
2014-01-03 18:50:12 +01:00 |
|
Joris van Rantwijk
|
829e39594d
|
Print status message saying where audio output is going.
|
2014-01-03 18:10:37 +01:00 |
|
Joris van Rantwijk
|
8a2cef5e35
|
Implement .WAV file writing based on Sidney's WavFile.h.
|
2014-01-03 18:07:28 +01:00 |
|
Joris van Rantwijk
|
3e8c2232d2
|
Update TODO list.
|
2014-01-01 17:53:22 +01:00 |
|
Joris van Rantwijk
|
f24f42755d
|
Update todo list.
|
2014-01-01 12:04:38 +01:00 |
|
Joris van Rantwijk
|
e650df4bc2
|
Add README, add license statement.
|
2014-01-01 12:04:30 +01:00 |
|
Joris van Rantwijk
|
f6b0d2b546
|
Support large output files.
|
2013-12-31 20:07:46 +01:00 |
|
Joris van Rantwijk
|
0091737339
|
Switch to cmake for building.
|
2013-12-31 20:07:11 +01:00 |
|
Joris van Rantwijk
|
47525ef796
|
Very slight speed improvement in FIR filters.
|
2013-12-31 15:19:14 +01:00 |
|
Joris van Rantwijk
|
cecf407d00
|
Stereo decoding works. WHEEE!!
|
2013-12-31 00:56:53 +01:00 |
|
Joris van Rantwijk
|
351e22f9bb
|
Code cleanups.
|
2013-12-31 00:29:52 +01:00 |
|
Joris van Rantwijk
|
f119f2f72c
|
Stereo pilot PLL now working. (Stereo decoding not yet implemented.)
|
2013-12-31 00:07:14 +01:00 |
|
Joris van Rantwijk
|
620dba5d13
|
Increase filter order for baseband downsample filter. Add comments.
|
2013-12-30 15:58:17 +01:00 |
|
Joris van Rantwijk
|
48d605243b
|
Fix bug in option parsing.
|
2013-12-30 15:24:56 +01:00 |
|
Joris van Rantwijk
|
f371d1bef3
|
Finished pilot PLL (not tested).
|
2013-12-30 11:22:21 +01:00 |
|
Joris van Rantwijk
|
f0d58eac10
|
Reduce IF bandwidth to 100 kHz.
|
2013-12-29 18:50:56 +01:00 |
|
Joris van Rantwijk
|
c3778fb920
|
Remove distinction between Coeff and Sample types; they are always the same floating point type.
|
2013-12-29 00:44:10 +01:00 |
|
Joris van Rantwijk
|
70ba5520ca
|
Clean exit on Ctrl-C or SIGTERM.
Use double instead of float for real-valued samples.
Start implementation of stereo pilot PLL.
|
2013-12-29 00:34:13 +01:00 |
|
Joris van Rantwijk
|
0ec6475902
|
Add ALSA output.
Cleanups.
|
2013-12-29 00:25:58 +01:00 |
|
Joris van Rantwijk
|
6e08f8a55c
|
Receiver working. Produces reasonable mono audio.
|
2013-12-25 08:59:10 +01:00 |