Abstract: Methods and apparatus, including computer program products, for recovering from gaps in video transmission for Web browser-based players. A system includes a first server, the first server including a stream of video, the steam of video including sequential audio and video segments, and a receiver, the receiver recreating the sequential audio and video segments as received from the first server, including recovering one or more gaps in the sequential audio and video segments, and making the audio and video segments with recovered one or more gaps available to a media player.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The invention involves a method for the in vitro T cell production. A monolayer of non-human primate thymic stromal cells are cocultured in vitro with primate hematopoietic T cell progenitor cells. This results in the differentiation and growth of mature T cells. The T cells may be isolated at any sequential stage of differentiation and further expanded by coculture with a mitogenic agent. The T cells also may be genetically altered at any stage of the process. The effect of agents on the growth and differentiation of T cells may be measured by comparing a coculture containing the agent with a control coculture and comparing the differentiation or growth of the T cells progenitor cells in the test culture with the control culture. Kits and novel populations of T cells are provided.