290b365d67
SDR: Move FM modulation algorithms to a seperate file
2017-02-18 21:02:51 +01:00
47f74b38ce
SDR transmits with full amplitude
2017-02-18 21:02:50 +01:00
6a3cfd608e
Add ascii-art spectrum analyzer for SDR support
2017-02-18 21:02:49 +01:00
7e45f556ce
Correcting all levels and move all remaining integer samples to sample_t
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The leves are based on the standards of each mobile network. They
are adjusted to the specified frequency deviation now.
2017-02-18 21:01:13 +01:00
7ea3bc188d
Move samples of int16_t format to sample_t, that is of type double
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This prepares the correction of all levels
2017-02-18 21:01:08 +01:00
ac0da3f76e
Filter improvement: LP and HP filters, added test function
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The -3 dB level at cut-off frequency is now maintained for multiple
iterations.
2017-02-18 21:01:04 +01:00
19b396ab4d
Wave recording and playback now uses multi channels
2017-02-18 21:00:59 +01:00
272ebeb0ae
SDR: Minor fixes
2017-02-18 21:00:56 +01:00
d28467c125
SDR: Display IQ data as a plot using 'q' key
2017-02-18 21:00:53 +01:00
8b9277615d
Neu structure for the paging process (B-Netz)
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Paging tones are not created within sound_alsa.c
The audio API is now responsible to switch to paging channel.
In case of SDR, the sdr.c will switch frequency offset.
2017-02-18 21:00:50 +01:00
b30b61282c
Generic SDR support
2017-02-18 21:00:48 +01:00
Andreas Eversberg