[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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