Sony Corporation

Sony Ericsson Mobile Communications Japan, Inc.

Osamu Yoshimura

Katsutoshi Itoh

Hideki Iwami

Takeshi Itagaki

Makoto Natori

Mitsuyoshi Yasuda

Minoru Yokoshi

Masahiko Naito

Chihiro Fujita

Tomoya Yamaura

Sho Amano

Masanori Sato

Yasushi Katayama

Yoshinobu Kure

Hideaki Murayama

Tamotsu Munakata

Kazunori Hayashi

Natsuki Itaya

Junji Kato

Shigenori Uchida

Kensaku Wakuda

Tomoya Oikawa

Tomoaki Matsumura

Noboru Oki

To prevent a decrease in transmission rate of an entirety of a system including devices that transmit data items with use of a plurality of channels ever, in a case where some of the channels change in condition, for example, decrease in transmission rate. In an information processing device including channel evaluation units, a channel selection unit, and a transmission control unit, the channel evaluation units evaluate, on the basis of an evaluation function, a plurality of channels that transmit data items via wireless communication. The channel selection unit performs selection from the plurality of channels on the basis of results of the evaluations. The transmission control unit transmits the data items to the plurality of channels subjected to the selection.

Information processing device, information processing system, and information processing method

To be able to perform proper scalability transmission rate control. An information processing device receives a stream for outputting image information from another information processing device by using wireless communication, the information processing device including a wireless communication unit and a control unit. The wireless communication unit performs communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device. The control unit performs scalability transmission rate control of the stream related to the other information processing device based on the capability information regarding the other information processing device and a use of the information processing device.

Information processing device and information processing method

Provided is a wireless communication device which includes a function information transmitting unit for transmitting, via a wireless communication network, function information relating to a function of the wireless communication device, a function information receiving unit for receiving function information transmitted from another device, a function information comparison unit for comparing the function information of the wireless communication device and the function information received from such other device, and a function determination unit for determining which of the wireless communication device and such other device is to play a function of an access point, based on a result of the comparison by the function information comparison unit.

Wireless communication device, wireless communication system, wireless communication method and program

To cause image information to be appropriately displayed among a plurality of information processing devices. An information processing device includes a wireless communication unit and a control unit. The wireless communication unit is configured to perform real-time image transmission with another information processing device according to a wireless fidelity (Wi-Fi) Certified Miracast specification. The control unit is configured to perform control in a manner that second image information to be displayed on a non-display region included in first image information transmitted from the other information processing device is acquired, and a combined image in which the first image information is combined with the second image information is displayed on a display unit.

There is provided a decoding apparatus that includes a wireless communication unit configured to establish a wireless connection with a plurality of encoding apparatuses, a decoding unit configured to decode pieces of content received from the plurality of encoding apparatuses via the wireless communication unit, a reproduction unit configured to reproduce the plurality of pieces of content decoded by the decoding unit, and a control unit configured to control an encoding condition of each of the plurality of encoding apparatuses for content in a manner that a required decoding capability required by a set of the pieces of content to be reproduced by the reproduction unit does not exceed an actual decoding capability of the decoding unit.

Decoding apparatus, decoding method, encoding apparatus, and encoding method

An information processing device receives a stream for outputting image information from another information processing device by using wireless communication, the information processing device including a wireless communication unit and a control unit. The wireless communication unit performs communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device. The control unit performs control in a manner that multi-reception diversity of the stream related to the other information processing device is set based on the capability information regarding the other information processing device and a use of the information processing device.

Information processing device and information processing method to communicate based on capability information

An information processing apparatus includes a wireless communication unit configured to perform wireless communication with another information processing apparatus, a display unit configured to display an image received from the another information processing apparatus by the wireless communication unit, an acquisition unit configured to acquire operation to a region indicated in control information received from the another information processing apparatus by the wireless communication unit in the image displayed by the display unit, and a control unit configured to perform control to perform processing indicated in the control information according to the operation acquired by the acquisition unit.

Information processing apparatus and method to control a process based on control information

There is provided an information processing device including an adjustment unit that adjusts respective lengths of delay times, which delay data transmission, for a plurality of different delay elements regarding the data transmission, so as to match with the longest delay time of the plurality of delay times or a predetermined time equal to or more than the longest delay time, and a setting unit that sets the respective plurality of delay times of which the lengths are adjusted by the adjustment unit in a processing unit which performs a process for the data transmission.

Information processing device and method

An information processing device is an information processing device that receives a stream for outputting image information from another information processing device through wireless communication, and includes a wireless communication unit and a control unit. The wireless communication unit performs communication with another information processing device so as to exchange the capability information about the information processing device and the capability information about the other information processing device. The control unit sets a power consumption mode in the other information processing device based on the capability information about the other information processing device.

To perform an appropriate data transmission rate control. An information processing apparatus is an information processing apparatus that receives a stream for outputting image information from another information processing apparatus through wireless communications, and includes a wireless communication unit and a control unit. The wireless communication unit performs communications with the other information processing apparatus for exchanging capability information on the information processing apparatus and capability information on the other information processing apparatus. The control unit performs a stream data transmission rate control relating to the other information processing apparatus, according to the capability information on the other information processing apparatus, radio propagation measurement information on communications with the other information processing apparatus, and usage of the information processing apparatus.

Information processing apparatus and information processing method

In order to perform an appropriate data transmission control, an information processing apparatus performs data transmission by using at least one of a wireless transmission channel of a high frequency band and a wireless transmission channel of a low frequency band, and performs real time image transmission with another information processing apparatus in accordance with a Wi-Fi certified miracast specification. Also, the information processing apparatus includes a control unit. This control unit executes a control to transmit a control signal relevant to Wi-Fi certified miracast to the other information processing apparatus by using the wireless transmission channel of the low frequency band.

Split miracast transmission over multiple frequency bands

The present technique relates to an information processing apparatus and a method, and a program, capable of reducing a delay time. An information processing apparatus according to the present technique is an information processing apparatus including an estimation unit configured to estimate, on the basis of a transmission buffer waiting time which is a time it takes to accumulate encoded data obtained by encoding image data when encoding the image data which are to be transmitted, a reception buffer waiting time which is a time it takes to accumulate the encoded data before the encoded data are decoded at a transmission destination of the encoded data, and a setting unit configured to set a block length which is a processing unit of error correction processing in such a manner that an error correction reception delay time which is a delay time in the error correction processing performed at the transmission destination of the encoded data does not become more than the reception buffer waiting time estimated by the estimation unit. The present technique can be applied to, for example, an information processing apparatus.

Growing community of inventors

Kanagawa, Japan

Osamu Yoshimura