[linux-dvb] Tzap utilities questions - status of TDA10046
Georg Acher
acher at in.tum.de
Wed Sep 20 03:40:51 CEST 2006
On Wed, Sep 20, 2006 at 09:10:00AM +0800, Chun Chung Lo wrote:
> status 1f | signal afaf | snr ffff | ber 00000040 | unc 00000000 | FE_HAS_LOCK
>
> The "ber" field is quite strange, I do not know are there any users
> notice these status responses? Should the "ber" field is zero for a good
> signal?
No, BER is the bit error rate before the error correction. Even a strong
signal may have a few bit errors if single carriers are disturbed.
But the error correction for DVB-T is very strong. BER can be >0x8000 without
uncorrectable errors appearing.
--
Georg Acher, acher at in.tum.de
http://www.lrr.in.tum.de/~acher
"Oh no, not again !" The bowl of petunias
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