Sharp Kabushiki Kaisha Corporation

Panasonic Intellectual Property Management Co., Ltd.

Shuichi Watanabe

Jiro Kiyama

Hiroyuki Matsumoto

Hiroyuki Katata

Yasuaki Tokumo

Hisashi Tsuji

Hirotaka Sawa

Norio Ito

Tomoko Aono

Hiroshi Kusao

Shinichi Shigenaga

Akitoshi Izumi

Teppei Fukuda

Maki Takahashi

Shojiro Matsuo

Takuya Iwanami

Toshio Nomura

Keiichi Hibi

Satoru Inoue

Toshimichi Tokuda

Takayoshi Yamaguchi

Kazunori Hayashi

Shintaro Yoshikuni

Tadashi Maki

Masahiro Shioi

Kosuke Shinozaki

Hideki Suzuki

Shinya Hasegawa

Takashi Hirabara

Tadashi Uchiumi

Keisuke Fujimoto

Hirokazu Tasaka

Norio Itoh

Hiroyuki Okada

Akemi Oohara

Ryoichi Yuge

Yoshiaki Ogisawa

Susumu Ono

There is provided a transmitter by which a reception side easily detects packet loss of a transport packet. The transmitter () includes a content dividing unit () that divides a set composed of a plurality of units into a plurality of subsets, a transport sequence assigning unit () that assigns, to the packet, the transport sequence of the unit within a component and the transport sequence of the unit within the subset, and a header generating unit () that generates a packet including the transport sequences.

Reproduction device and generation device

A sound and video processing system includes: a display that displays a video image captured by the camera; a sound collector that collects sound; an input device that receives designation of at least one designated location in the video image displayed on the display. A processor generates emphasized audio data, in which sound is emphasized in at least one direction from a position of the sound collector toward at least one position corresponding to the at least one designated location. The processor displays at least one identification shape at the at least one designated location. In response to receiving re-designation of one of the at least one designated location by the input device, the processor outputs audio data in which emphasis of sound stops in a direction from the position of the sound collector toward the position corresponding to the re-designated location.

Sound processing system and sound processing method that emphasize sound from position designated in displayed video image

A directionality control system includes: a camera; a microphone provided as a separate body from the camera; a display that displays video data captured by the camera; and a processor that computes a sound collection direction, which is directed from the microphone toward a sound position corresponding to a designated position in the video data. The processor computes the sound collection direction by using parameters including: a first height of the camera from a reference surface, a second height of the microphone from the reference surface, a third height of a computation reference point from the reference surface, the computation reference point being positioned in the sound collection direction at a position different from the sound position, a direction which is directed from the camera toward the sound position, and a fourth height of the sound position from the reference surface.

Directionality control system, calibration method, horizontal deviation angle computation method, and directionality control method

A sound and video processing system includes: a display, having a rectangular display region, that displays a video image in a circular video-image display region smaller than the rectangular display region; and a sound collector that collects sound. A processor generates emphasized audio data, in which sound is emphasized in at least one direction from a position of the sound collector toward at least one position corresponding to at least one designated location in the video image. In response to receiving designation outside the video-image display region, the processor displays a state display area or an adjustment operation area for the sound to be output from the speaker in a rectangular region which has a diagonal line extending from one of four corners of the rectangular display region to a center of the video-image display region and intersecting with a boundary line of the video-image display region.

A microphone array system includes a camera that images a picture for a target place, and a microphone array that picks up sound. A sound source position is calculated based on the picked up sound. An image is displayed on a display, the image including an imaged target place picture and a sound source position mark indicative of the sound source position. An instruction of a specified spot is received in the target place picture displayed on the display. Sound directivity is formed in a direction from the microphone array toward the specified spot based on the picked up sound, and sound data is generated by emphasizing sound in the direction in which the sound directivity is formed. The generated sound data is output to the speaker to reproduce the sound data.

Microphone array system and microphone array control method

A camera and a microphone array configuring a monitoring system are capable of receiving electric power from a PoE apparatus through a LAN cable. In a case where a first switching operation is performed on a microphone array side, an output terminal of an input switch is connected to an input terminal of a PoE electric power reception circuit side. An input terminal of an output switch is connected to an output terminal of a PoE electric power transmission circuit side. On a camera side, an output terminal of the input switch is connected to an input terminal of a PoE electric power receptor side. The microphone array receives electric power that is supplied from the PoE apparatus for operation and transmits the electric power towards the camera. The camera receives the supplied electric power from the PoE apparatus through the microphone array and the LAN cable for operation.

Microphone array, monitoring system, and sound pickup setting method

A client () is provisioned with a content selection unit () for referencing description information (), selecting content to be played in a certain period, and at the same time, and selecting content to be played at the next period from an id of a subset that is the same as the subset selected at the period, a request execution unit () for requesting the transmission of the selected content, and a content playback unit () for continuously playing the content transmitted in response to the request.

Playback device

A distribution server () according to the present invention acquires composition information () including information specifying each of a plurality of components included in acquired content and information indicating a reproduction mode of the components, and includes a composition information generation unit () rewriting a part of the information included in the composition information () in a reference format to generate main composition information and to generate sub-composition information including the information referred to with the main composition information and a distribution control unit () distributing the main composition information and the sub-composition information generated by the composition information generation unit (). Thus, the composition information can be distributed with high efficiency without using on-demand distribution.

Distribution device, reproduction device, data structure, distribution method, control program, and recording medium

Sound collection directionality is formed toward a location corresponding to a position designated in a video of a predetermined region which is imaged by a camera apparatus with a microphone array apparatus as a reference, and audio data is collected with high accuracy. In a directionality control system (), a signal processing unit () derives a sound collection direction (&#x3b8;,&#x3b8;) which is directed from an installation position of a microphone array apparatus () toward a sound position corresponding to a position designated in video data on a screen of the display device () in response to a user's designation of any position in the video data displayed on the screen. The signal processing unit () forms sound collection directionality of audio data in the derived sound collection direction (&#x3b8;,&#x3b8;).

When a microphone array apparatus sound-picks up voice in a prescribed sound volume or higher, which is output from a sound source, and sends voice data on the voice to voice processing apparatus, a sound source direction detection unit causes sound source marks, each of which indicates a directivity direction, to be displayed on a display, and urges a user to make a selection among the sound source marks and to input camera information. A voice processing apparatus transmits the camera information that is input, and the directivity direction, to the microphone array apparatus. The microphone array apparatus stores the camera information and the directivity direction, as a preset information table, in a storage unit. Accordingly, where a positional relationship between the camera and the microphone array is unclear, directionality is formed in a determined image capture position, and voice in the predetermined image capture position is output clearly.

A content transmission unit () is provided that performs chunk transfer of a segment to a client () in subsegment unit, the subsegment being formed by dividing the segment into a plurality of pieces after receiving a request requiring transmission of the segment from the client ().

Content transmission device and content playback device

A recorder receives designation of a video which is desired to be reproduced from a user. If designation of one or more designated locations where sound is emphasized on a screen of a display which displays the video is received by the recorder from the user via an operation unit during reproduction or temporary stopping of the video, a signal processing unit performs an emphasis process on audio data, that is, the signal processing unit emphasizes audio data in directions directed toward positions corresponding to the designated locations from a microphone array by using audio data recorded in the recorder. A reproducing device reproduces the emphasis-processed audio data and video data in synchronization with each other.

Sound processing system and processing method that emphasize sound from position designated in displayed video image

Generation device, reproduction device, data structure, generation method, reproduction method, control program, and recording medium

Content transmission device, content playback device, content distribution system, method for controlling content transmission device, method for controlling content playback device, control program, and recording medium

A failure detection system includes an omnidirectional microphone array device having a plurality of microphone elements and a directivity control device that calculates a delay time of a voice propagated from a sound source to each microphone element and forms a directivity of the voice using the delay time and the voice collected by the omnidirectional microphone array device, and detects a failure of the microphone element. A smoothing unit calculates an average power of one microphone element. An average calculator calculates a total average power of a plurality of usable microphone elements included in the omnidirectional microphone array device. A comparison unit compares whether or not a difference between the average power and the total average power exceeds a range of &#xb1;6 dB, and determines whether the microphone element is in failure based on the comparison result.

Failure detection system and failure detection method

Growing community of inventors

Chiba, Japan

Shuichi Watanabe