Read-only recording medium containing sample data and reproducing method thereof
First Claim
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1. A method of reproducing digital content, comprising:
- (a) reading a position information where a sample data is present, the sample data being same as a portion of digital content and not encrypted; and
(b) reproducing the sample data based on the read position information without a key information, the key information required for decrypting an encrypted digital content.
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Abstract
The present invention provides according to an embodiment a method of reproducing digital content, comprising the steps of: (a) reading a position information where a sample data is present, the sample data being same as a portion of digital content and not encrypted; and (b) reproducing the sample data based on the read position information without a key information, the key information required for decrypting an encrypted digital content.
41 Citations
15 Claims
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1. A method of reproducing digital content, comprising:
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(a) reading a position information where a sample data is present, the sample data being same as a portion of digital content and not encrypted; and
(b) reproducing the sample data based on the read position information without a key information, the key information required for decrypting an encrypted digital content. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for reproducing digital content, comprising:
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a memory storing digital data, the digital data including a digital content and a sample data, the sample data being same as a portion of digital content and not encrypted; and
a controller reading a position information where a sample data is present, and controlling a reproduction of the sample data based on the read position information without a key information, the key information required for decrypting an encrypted digital content. - View Dependent Claims (7, 8)
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- 9. A storage medium having a data structure, wherein the data structure comprises an encrypted digital content, a sample data being same as a portion of digital content and not encrypted, and a position information where a sample data is present.
Specification