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Karaoke Kara devices and apps

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I don't like Karaoke, I prefer real music like Stratocaster or something like this. But this kind 'dream of music' so expensive in VN.
I see that there are some Karaoke app provider like Kara. And I think it damn expensive for a device that combine of a PC and a monitor (touch screen). For my first (and fast) research Kara M10 cost about 6.5m VND for monitor, 11.5m VND for PC.
I think this toy can be made much cheaper with something like arduino or raspi for PC, touch screen cost seem no way to reduce ? I don't know much about this but some laptop has touch screen and it is not so expensive.
I have an occasion interview in Kara office and as many other 'Made in Vietnam' Electronic commodity, it is 'China inside'. It is a box like a small PC running Linux and opensource (moded) software I think.
China now is hardware manufacturer of all the thing on Earth. So it is not surprise.
I hate many scam and super bad quality, bad service of so many product in Vietnam. And Kara is just another fucking stuff.
I think with my knowledge of electronic, programming I can made a competitor. But so what ? So many product in Vietnam is like this shit.
I know that Kara sale is good, thank to many fucking gay like karaoke after party...

http://www.kantokaraoke.com/how-to-connect-your-pcmac-to-tv-for-karaoke/
There are many other thing like copyright about Song, movie... that I want to overcome if I make one. Something like youtube integration is cool (for beat and personal, foreign language beat, song) but again copyright in youtube is real problem.
After all of that, as Krisnamurti has been deliberating: Can We Together Create a Good Society?

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