Apparatus for receiving compressed digital information - Patent US7286310(B2)
Filed:
Jul 31, 2006
Published:
Oct 23, 2007
Abstract
An apparatus for receiving digital information including a receiver which receives the digital information that has digital video information bit-compressed by a first compression system, digital audio information bit-compressed by a second compression system, and error-detection information added to both the digital video information and the digital audio information. There is also provided a demodulator which demodulates the digital information received by the receiver, an error detector which detects an error of digital information demodulated by the demodulator by use of the error-detection information, a first expander which bit-expands video information among the digital information error detected by the error detector corresponding system, and a second expander which bit-expands audio information among the digital information error detected by the error detector corresponding to the second compression system.Applicants
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HITACHI LTD
Inventors
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NISHIMURA KEIZO
-
SHIBATA AKIRA
-
ARAI HIDEO
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OWASHI HITOAKI
-
WATATANI YOSHIZUMI
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HOSOKAWA KYOICHI
Application Number
11495464Priority Claims
US72705991Family Members
US2006269254(A1) -
Digital information recording/reproducing apparatus
US7286310(B2) -
Apparatus for receiving compressed digital information
US2008069538(A1) -
Digital information recording/reproducing apparatus
Classification Codes
G11B5/00
