Wenderoth, Lind & Ponack, L.L.P.
Method of transmitting data among a plurality of LSIs, and DVD-audio reproducing apparatus using the method
There is provided a DVD-audio reproducing apparatus in which a digital signal immediately before being inputted to a D/A converting LSI is prevented from being taken out and unfairly copied. A digital signal processing LSI and the D/A converting LSI are connected to each other through an external bus. A scrambling processing circuit for scrambling a digital signal outputted from a digital signal processing circuit is provided inside the digital signal processing LSI. A descrambling processing circuit for descrambling the scrambled digital signal transmitted through the external bus is provided inside the D/A converting LSI.
Matsushita Electric Industrial Co., Ltd.
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inventional inventional inventional inventional
Akihisa Masatoshi Yoshihiro
Kawamura Shimbo Mori