[linux-dvb] Re: Channel change delay with DVB-T

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Friday 23 April 2004 09:23, Michal Dobrzynski wrote:
> Thanks for that. It was quite informative. Now if there was just a
> utility that could benchmark the time between requesting a certain
> transport stream (including tuning to the frequency it's at) and the
> time that the first I-Frame was received (ideally with a profile of how
> long in step took) we could get some really meaningful numbers.
>
> I guess things like signal strength, bit error rate, etc could all be
> taken into account. Given that I have two identical cards the
> information could be made more meaningful by monitoring signal on one
> card while benchmarking on the other.
>
> Does any of what I have said make any sense? I wouldn't know as I'm
> quite far off from being able to code something like this and I'm
> struggling to  keep up with my university subjects as it is.

Please try the procedure in this message:
http://www.mail-archive.com/linux-dvb@linuxtv.org/msg15852.html

Let me know if you find some better timings....

What frontend does your card have BTW?


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