Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Yasushi Miyake

Naoya Takao

Toshiki Yamamura

Keiichi Takagaki

Tsutomu Hayashi

Yosuke Suzuki

A video transmission system includes a transmission apparatus, display apparatus, and controller. The transmission apparatus includes a transmitter that divides a second video stream of a second bit rate into a plurality of transmission packets and transmits the plurality of transmission packets to the display apparatus. The display apparatus includes a decoder that decodes a video for display from the plurality of transmission packets, and a determiner that determines whether packet loss has occurred. The controller (i) controls the encoding to reduce the second bit rate by a predefined amount or reduce the second bit rate at a transmission rate of a certain proportion when an occurrence of packet loss is indicated, and (ii) causes the transmitter to transmit a plurality of dummy packets, along with the transmission packets, to the display apparatus via a network when no occurrence of packet loss has been indicated for a predetermined time.

Video transmission system, transmission apparatus, display apparatus, video transmission method, and recording medium

A transmission control device generates, based on a content stream acquired from an external source, auxiliary information necessary for at least one of recording and playback of a content in the content stream and transmits a transmission target stream to an external device. The transmission target stream includes a first stream portion based on the content stream and a second stream portion based on the generated auxiliary information.

Transmission controller, reception controller, transmission control method, reception control method and transmission control program

The content reproduction device receives, from a server, information for indicating the location of content reproduction control information that is required for acquiring the content reproduction control information, and acquires the content reproduction control information from the server. Then, the content reproduction device extracts AV data and clip identification information for specifying clip information for managing the AV data. Then, the content reproduction device converts a predetermined part of the information for indicating the location of the content reproduction control information by applying the clip identification information and a predetermined conversion rule, generates information for indicating the location of the clip information and the AV data, and acquires the clip information and the AV data from the server.

Growing community of inventors

Osaka, Japan

Yasushi Miyake