cellular-infrastructure
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osmocom-analog
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6 Commits

Author SHA1 Message Date
Andreas Eversberg 27938d111e Added and fixed extra compiler warnings 2016-10-07 08:55:18 +02:00
Andreas Eversberg 8ef966aa21 C-Netz: Reset FSK decoder when switching channel mode 
This prevents corrupt frames, as well as clear pending frames that
were received during the old mode, but may not be received during
the new mode.
 2016-10-07 08:00:34 +02:00
Andreas Eversberg 6a5af9aeac Typos: acknowledgement -> acknowledgment signalling -> signaling 2016-07-24 12:31:08 +02:00
Andreas Eversberg 7aa2445b47 Move amplitude (level) debugging to debug.c 2016-05-15 20:37:06 +02:00
Andreas Eversberg 46fa72894e C-Netz: Calibration/fix processing of tone levels on TX and RX side 
FSK and compander levels are adjusted.

Eliminate offsets between subsequent speech chunks. This is done by
high-pass filter. An offset is not passed to the filter.

Do correct audio processing chain:
 time compress -> compressor -> scrambler / pre-emphasis -> TX
 RX -> de-scrambler / de-emphasis -> expander -> time expand
 2016-05-13 09:37:03 +02:00
Andreas Eversberg 16acdbf59d Implementation of C-Netz (German mobile telephone system) 2016-04-24 15:19:00 +02:00