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fixeria uploaded patch set #2 to this change.

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tests/dtx: test detection/decoding of A[FH]S_SID_UPDATE

This patch extends the existing unit test coverage for AMR's special
DTX frames.  The new tests confirm that the problem with unexpected
BER in decoded AFS_SID_UPDATE frames has been actually fixed [1].

Additionally this patch demonstrates another TCH/AHS specific problem,
which negatively affects RxQual-SUB measurements in osmo-bts-trx: the
actual content of AHS_SID_UPDATE_CN is decoded with ~50% BER, because
the burst buffer contains only half of the burst bits.

Change-Id: I434157e2091a306c039123cea08d84bd8533c937
Related: [1] I813081a4c0865958eee2496fe251ae17235ac842
Related: SYS#5853
---
M tests/dtx/dtx_gsm0503_test.c
M tests/dtx/dtx_gsm0503_test.ok
2 files changed, 121 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/46/28146/2

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