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    • 9. 发明申请
    • Distributing Audio Video Content
    • 分发音频视频内容
    • US20140150046A1
    • 2014-05-29
    • US14126722
    • 2012-06-21
    • Steve EpsteinHillel SolowYaron SellaAviad KipnisAvraham Poupko
    • Steve EpsteinHillel SolowYaron SellaAviad KipnisAvraham Poupko
    • H04N21/2343H04L29/06
    • H04N21/2343H04L65/4076H04L65/80H04N21/23439H04N21/25825H04N21/25858H04N21/643H04N21/85406H04N21/8543
    • A method of distributing audio video content is described. The method includes: receiving configuration data for a plurality of devices; for each device in the plurality of devices, computing a set of bit rates based, at least in part, on the configuration data; encoding audio video content at each bit rate in each set of bit rates to produce a plurality of encoded audio video content streams; splitting each encoded audio video content stream in the plurality of encoded audio video content streams into chunks to produce a plurality of chunked encoded audio video content streams; for each device in the plurality of devices, creating a separate index file, each separate index file including references to at least one of the plurality of chunked encoded audio video content streams; publishing a locator for each separate index file in a catalogue; and transmitting the plurality of chunked encoded audio video content streams and each separate index file to a network. Related systems, apparatus, and methods are also described.
    • 描述了分发音频视频内容的方法。 该方法包括:接收多个设备的配置数据; 对于所述多个设备中的每个设备,至少部分地基于所述配置数据来计算一组比特率; 以每组比特率中的每个比特率对音频视频内容进行编码,以产生多个经编码的音频视频内容流; 将所述多个经编码的音频视频内容流中的每个经编码的音频视频内容流分解成块,以产生多个分块编码的音频视频内容流; 对于所述多个设备中的每个设备,创建单独的索引文件,每个单独的索引文件包括对所述多个分块编码的音频视频内容流中的至少一个的引用; 为目录中的每个单独的索引文件发布定位器; 以及将多个分块编码的音频视频内容流和每个单独的索引文件发送到网络。 还描述了相关系统,装置和方法。
    • 10. 发明申请
    • Software DRM Offline Purchase
    • 软件DRM离线购买
    • US20140143154A1
    • 2014-05-22
    • US14129609
    • 2012-06-12
    • Hillel Solow
    • Hillel Solow
    • G06Q50/18G06Q30/00
    • G06Q50/184G06Q30/00H04N21/2347H04N21/2541H04N21/26613H04N21/4627H04N21/8456
    • A system and method for protecting content is described, the system and method comprising a content item which has been segmented into at least two portions, each portion being encrypted according to a different encryption key, a single content rights license associated with the content item, the license including at least two encrypted decryption keys operative to decrypt at least one of the at least two portions, such that any two encrypted decryption keys of the at least two encrypted decryption keys includes a first key which is less securely encrypted than the second key, a plurality of decryption keys, each one of the decryption keys being able to decrypt at least one of the at least two encrypted decryption keys, a decryptor for decrypting the at least one of the at least two encrypted decryption keys, and a second decryptor for decrypting, with the at least one of the at least two encrypted decryption keys, at least one portion of the at least two portions of the content item.
    • 描述了一种用于保护内容的系统和方法,所述系统和方法包括已被分段为至少两部分的内容项,每个部分根据不同的加密密钥加密,与内容项相关联的单个内容权限许可, 所述许可证包括至少两个加密的解密密钥,用于解密所述至少两个部分中的至少一个部分,使得所述至少两个加密解密密钥中的任何两个加密的解密密钥包括比所述第二密钥安全加密的第一密钥 多个解密密钥,所述解密密钥中的每一个能够对所述至少两个加密解密密钥中的至少一个进行解密,用于解密所述至少两个加密解密密钥中的至少一个的解密器,以及第二解密器 用于利用所述至少两个加密的解密密钥中的至少一个解密所述内容项的所述至少两个部分的至少一部分。