Johannes Schoeller <[EMAIL PROTECTED]> said: > hi rolf! > > as i made some thoughts about tuning (channel scanning), and > had read some of the tuning problems about (i think) dw-tv > and/or cnn i had the following idea: > > on my "normal" sat receiver (analog + digital) i could set an > offset for the frequencies depending on my installation. > this sometimes improved picture quality (and maybe will > improve tuning of the dvb-s). > Are you thinking of a static offset for each channel ??? That should be no problem to implement, but I doubt that it would improve anything... I currently have implemented a similar zig-zag-scan algorithm as the driver uses...maybe changing the step size with an option might help with tuning problems ??? > see what i mean? we all use the same frequencies for tuning. > signal quality is good, and signal level as well. but if > the tuner tries to lock on the "wrong" frequency that could > sometimes make a problem. > I think the problem is the detection...if the driver (or the chips behind it) would always correctly detect a failed lock, the application could think about strategies to overcome this...but IMO the detection mechanism is not very accurate...(maybe depends on the tuner chip) > so i think maybe your working frequ/channel search could be > adapted to the vdr channel format. > That's no problem, it's on my list... Regards, Rolf -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as subject.
