Ramp Holdings, Inc.

R Paul Johnson

Raymond Lau

Methods and apparatus, including computer program products, for secure video delivery. A method includes providing a cryptographically signed manifest Uniform Resource Locator (URL) to the Hypertext Transfer Protocol (HTTP) manifest format player, the signed URL including at least a validity time span and an identification of a video, in the manifest format player, loading the manifest URL, the manifest URL pointing to an instantiation of a proxy, in the proxy, loading the manifest URL and verifying a validity of the signed URL, in the proxy, retrieving the manifest URL contents, in the proxy, substituting each non-metadata entry in the manifest URL contents with signed URLs either to an underlying video segment or back to an instantiation of the proxy if an entry another manifest, and in the HTTP manifest player, processing the manifest altered with signed URLs as a standard manifest, playing the content.

Secure video delivery

Methods and apparatus, including computer program products, for using speech to text for detecting commercials and aligning edited episodes with transcripts. A method includes, receiving an original video or audio having a transcript, receiving an edited video or audio of the original video or audio, applying a speech-to-text process to the received original video or audio having a transcript, applying a speech-to-text process to the received edited video or audio, and applying an alignment to determine locations of the edits.

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Burlington, MA, United States of America

R Paul Johnson