Andreas Eversberg
7434e21dc2
Multi transceiver support
...
This can be multiple transceivers on multiple sound cards.
Two transceivers can be bundled on one sound device as well, using both channels.
2016-05-08 15:48:13 +02:00
Andreas Eversberg
28e7f1e9d1
common code: Remove DC level before using Goertzel filter
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A DC level degrades the quality of the filtered result
2016-05-01 15:15:19 +02:00
Andreas Eversberg
0c99848120
common code: Make preemphasis 0 dB @ 1000 Hz
2016-05-01 15:14:57 +02:00
Andreas Eversberg
16acdbf59d
Implementation of C-Netz (German mobile telephone system)
2016-04-24 15:19:00 +02:00
Andreas Eversberg
4b3e3385b5
common code: Fix sample rate conversion
2016-04-24 15:18:59 +02:00
Andreas Eversberg
4356c93afa
common: Add pre and de emphasis, if the radio does not support it
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Connect to the oscillator of the transmitter - good girl!
You need to enable pre emphasis in this case.
Connect to the discriminator of the receiver - good boy!
You need to enable de emphasis in this case.
2016-04-24 15:14:56 +02:00
Andreas Eversberg
2a092b8cf7
Fixing compander
2016-04-24 15:10:25 +02:00
Andreas Eversberg
9de121109d
common code: Sample rate conversion now supports any rate above 8000 Hz
2016-04-17 16:49:39 +02:00
Andreas Eversberg
05402283df
common code: Add function request information, if timer is running
2016-04-17 16:49:08 +02:00
Andreas Eversberg
4d84da31a8
Fixing timer handling
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Usage of more than one timer caused a lock-up.
2016-03-27 17:56:04 +02:00
Andreas Eversberg
1146537d84
common code: Add feature to record received audio and replay it
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-W <file.wav> writes a wave file of received audio
-R <file.wav> reads a wave file to feed into decoder
This way you can record a phone and later debug without a phone
and radio equipment.
2016-03-27 17:56:04 +02:00
Andreas Eversberg
a5db02775e
fixup debug class definition: rename DFSK and DAUDIO to DDSP
2016-03-15 19:26:13 +01:00
Andreas Eversberg
57caa536cf
Implementation of NMT (Nordic Mobile Telephoe) network
2016-03-13 19:42:19 +01:00
Andreas Eversberg
cbfc818cce
Add compander to common part
2016-03-13 16:18:42 +01:00
Andreas Eversberg
4ab1cd5026
Add DTMF coder to common part
2016-03-13 13:38:35 +01:00
Andreas Eversberg
0dc81fe210
Prepare for NMT: Fixes and improvements at common code
2016-03-13 09:12:23 +01:00
Andreas Eversberg
d21be383a6
anetz/bnetz: Move option 'loss detection' from common code to individual code
2016-03-13 09:12:16 +01:00
Andreas Eversberg
946c9ce10a
initial git import
2016-03-13 09:12:11 +01:00
