Patent ID: 8140437

Claim:
A method of reproducing digital content in a data reproducing device, the method being performed by at least one device, the method comprising: (a) receiving a unitary item of digital content from a first external source, the unitary item of digital content including an encrypted content section and a sample section, wherein Digital Right Management (DRM) information is used for authorizing a reproduction of the encrypted content section, wherein the unitary item of digital content is associated with management information including additional information about the unitary item of digital content, and wherein the additional information includes a Uniform Resource Locator (URL) information, an identification information assigned to the unitary item of digital content, and indication information for providing a preview of the unitary item of digital content; (b) in response to a request to reproduce the encrypted content section, automatically reproducing the sample section after it is determined that the DRM information does not exist in the reproducing device, wherein the sample section is reproduced using the indication information indicating a portion of the sample section in the unitary item of digital content, and wherein the sample section is non-encrypted, the sample section is a subset of the unitary item of digital content, and the sample section is used for providing a preview; (c) after reproducing the sample section, receiving the DRM information from a second external source using the URL information and the identification information, wherein the second external source is indicated by the URL information, wherein the DRM information is associated with the identification information of the received unitary item of digital content; and (d) reproducing the encrypted content section using the received DRM information.