[linux-dvb] Some thoughts and questions

Felix Domke tmbinc at elitedvb.net
Sat Sep 29 12:20:40 CEST 2007


Hi,

>>>>  - Inversion might happen on up- and downconversion, depending on what
>>>> frequency situation you have.
>>>>  - The SatelliteDeliverySystemDescriptor does not specify Inversion.
>>> AFAICS, Inversion isn't a part of the transport.
>> Why not? It's part of it like the frequency, isn't it? 
> What i meant is that it does not depend on the transport, but the hardware.
> LNB + tuner <-> demod wiring
> Whereas frequency is not.
Some transponders have an inversed frequency spectrum already when
broadcasted (before downconversion).

There is no way for the broadcaster to specify this.

(I might be terribly wrong, but that's how I remember it.)

Felix



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