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Date Posted: 10:57:34 09/23/02 Mon
Author: Manuel
Subject: Re: Decodificadores para Mexico
In reply to: Juan Gonzalez 's message, "Decodificadores para Mexico" on 06:18:35 09/20/02 Fri

Cual es el fabricante de los decodificadores que usa multivision?




>Mi pregunta es alguien de Mexico que utilice
>multivision ha armado alguno de los decodificadores
>3chip y mi pregunta es les ha funcionado para todos
>los canales, ya que hay un canal, (cine canal c2) que
>en ratos manda el video y los pulsos de sincronia
>horizontal invertidos, como ocho minutos y luego
>cambia como dos minutos que solo invierte los pulsos
>de sincronia horizontal y el video lo manda normal, lo
>extrano es que la inversion empieza en la linea 22 de
>ntsc y en esa linea empieza la informacion de color
>(normalmente en los demas canales en la linea 22 la
>mandan en negro pero en este canal no es estable) y
>cuando hace los cambios de polaridad de video no se
>como detectarlos, por lo que he leido de estos
>decodificadores escanean la linea 23 de video buscando
>un cambio de nivel de blanco a negro por eso me
>pregunto funcionaran para este canal.
>>
>>
>>Saludos

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