Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Kazuo Fujimoto

Taro Katayama

Toshiya Noritake

Tomoyuki Okada

Naoya Takao

Shigeaki Watanabe

Shinji Kojima

Masafumi Kouzuki

Shin-ichi Saeki

Masaki Itoh

Shin-Ichi Saeki

A data processor according to the present invention plays back video and audio from a data stream including video data and audio data, each of which is provided with time information representing its presentation time. The processor includes: a stream acquiring section for acquiring a first data stream and a second data stream continuously; an inserting section for inserting boundary-setting dummy data between the data streams; an analyzing section, which detects the dummy data and associates identification information with the video and audio data of each data stream; a control section for controlling the respective output timings of video data and audio data by reference to the time information of the video data and the time information of the audio data that are associated with the same piece of identification information; and an output section.

Data processing device and data processing method

A first index corresponding to a first conversation operation and a second index corresponding to a second conversation operation are selectably displayed on a screen of a video output device. When a communicator receives a conversation request from another device, a controller determines whether the first index or the second index is selected on the screen or whether an operating member is operated. If the first index is selected, the controller performs the first conversation operation. If the second index is selected, the controller performs the second conversation operation. If the operating member is operated, the controller performs the second conversation operation.

Communication device, communication method therefor, and communication program therefor

A data processor includes: a receiving section for receiving a data stream including first data on a compressed and encoded video content, first time information setting the presentation time of the first data, second data on a different type of content from the video content, and second time information setting the presentation time of the second data; a separating section for extracting the first data, first time information, second data and second time information from the data stream; a first decoding section for decoding the first data and outputting it in accordance with the first time information; and a second decoding section for outputting the second data in accordance with the second time information. The processor further includes a lag setting section for retaining lag information defining how much lag should be caused in presentation time if the first and second time information defines a time at which the first and second data are presented synchronously, modifying the second time information according to the lag information, and causing the lag in the presentation time of the second data.

Data processing device and method

This invention provides an audio reproducing apparatus which reproduces plural digital audio signals and synchronizes them with each other. The audio reproducing apparatus includes a synchronization setting unitwhich synchronizes the plural audio signals by allocating, on a time axis, plural pieces of audio reproduction time information of the audio signals and in a manner which maintains a difference between reproduction times indicated by adjacent pieces of the audio reproduction time information of each of the audio signals, and an audio synthesis unitwhich synthesizes the plural audio signals using the plural pieces of the audio reproduction time information allocated on the time axis.

Audio reproducing apparatus, audio reproducing method, and program

Noise is prevented when decoding an audio stream not containing syncwords or CRC bits in the elementary stream. When decoding a current frame, the private header of the next frame is analyzed and the current frame is muted if the private header of the next frame is not valid. When there is a data discontinuity caused by editing, decoding resumes from the start address of the next frame determined.

Growing community of inventors

Shijonawate, Japan

Kazuo Fujimoto