Sony Corporation

Sony Group Corporation

Nippon Steel Corporation

Sony Semiconductor Solutions Corporation

Sony Corporaiton

Toru Chinen

Yuki Yamamoto

Minoru Tsuji

Mitsuyuki Hatanaka

Hiroyuki Honma

Runyu Shi

Yuhki Mitsufuji

Mitsuhiro Hirabayashi

Yoshiaki Oikawa

Masayuki Nishiguchi

Ikuo Tsukagoshi

Takao Fukui

Ryuichi Namba

Keiichi Aoyama

Kohei Asada

Ohji Nakagami

Shiro Suzuki

Shinobu Hattori

Kenichi Makino

Osamu Shigeta

Tetsunori Itabashi

Mitsuru Katsumata

Masayoshi Noguchi

Hirokazu Hashimoto

Shigetoshi Hayashi

Koyuru Okimoto

Makoto Akune

Toru Nakagawa

Masayoshi Mizuno

Kaneaki Fujishita

Ryutaro Watanabe

Kazunobu Ookuri

Hiroharu Kato

Kouji Ogawa

Masashi Fujihara

Yuji Tokozume

Asaya Hondo

Akihito Nakai

Ryosuke Tanaka

Akifumi Kono

Chunmao Zhang

Satoko Kitagawa

The present technology relates to an encoding device and method, a decoding device and method, and a program capable of realizing sense-of-distance control based on intention of a content creator. The encoding device includes: an object encoding unit that encodes audio data of an object; a metadata encoding unit that encodes metadata including position information of the object; a sense-of-distance control information determination unit that determines sense-of-distance control information for sense-of-distance control processing to be performed on the audio data; a sense-of-distance control information encoding unit that encodes the sense-of-distance control information; and a multiplexer that multiplexes the coded audio data, the coded metadata, and the coded sense-of-distance control information to generate coded data. The present technology can be applied to a content reproduction system.

Encoding device and method, decoding device and method, and program

The present technology relates to an acoustic processing device, method, and program capable of performing audio replaying with higher sound quality. An acoustic processing device includes: a first rendering processing unit that performs rendering processing on the basis of an audio signal and generates a first output audio signal for outputting sound from a plurality of first speakers; and a second rendering processing unit that performs rendering processing on the basis of an audio signal and generates a second output audio signal for outputting sound from a plurality of second speakers having a different replaying band from that of the first speakers. The present technology can be applied to an audio replaying system.

Acoustic processing device, method, and program

The present technology relates to an information processing apparatus and an information processing method, and a program capable of realizing content reproduction based on an intention of a content creator. An information processing apparatus includes: a listener position information acquisition unit that acquires listener position information of a viewpoint of a listener; a reference viewpoint information acquisition unit that acquires position information of a first reference viewpoint and object position information of an object at the first reference viewpoint, and position information of a second reference viewpoint and object position information of the object at the second reference viewpoint; and an object position calculation unit that calculates position information of the object at the viewpoint of the listener on the basis of the listener position information, the position information of the first reference viewpoint and the object position information at the first reference viewpoint, and the position information of the second reference viewpoint and the object position information at the second reference viewpoint. The present technology can be applied to content reproduction systems.

Information processing apparatus and information processing method

The present technology relates to an audio processing apparatus and method and a program that make it possible to obtain sound of higher quality. An acquisition unit acquires an audio signal and metadata of an object. A vector calculation unit calculates, based on a horizontal direction angle and a vertical direction angle included in the metadata of the object and indicative of an extent of a sound image, a spread vector indicative of a position in a region indicative of the extent of the sound image. A gain calculation unit calculates, based on the spread vector, a VBAP gain of the audio signal in regard to each speaker by VBAP. The present technology can be applied to an audio processing apparatus.

Audio processing apparatus and method, and program

The present technology relates to an encoding device, an encoding method, a reproduction device, a reproduction method, and a program enabling each reproduction equipment to reproduce an appropriate content in a simplified manner. A content data decoding unit decodes encoded metadata and outputs zoom area information, which is included in metadata acquired as a result thereof, designating an area to be zoomed. A zoom area selecting unit selects one or a plurality of pieces of zoom area information from among the zoom area information. A video segmenting unit segments a zoom area represented by the selected zoom area information in a video based on video data and outputs zoom video data acquired as a result thereof. An audio converting unit performs an audio converting process according to the selected zoom area information for audio data and outputs zoom audio data acquired as a result thereof. The present technology can be applied to a reproduction device.

Encoding device and method, reproduction device and method, and program

The present technology relates to a signal processing device, method, and program that can improve encoding efficiency. A signal processing device includes: an acquisition unit that acquires reverb information including at least one of space reverb information specific to a space around an audio object or object reverb information specific to the audio object and an audio object signal of the audio object; and a reverb processing unit that generates a signal of a reverb component of the audio object on the basis of the reverb information and the audio object signal. The present technology can be applied to a signal processing device.

Signal processing device, method, and program

The present technology relates to an information processing device and method and a program that make it possible to reduce the total number of objects while the influence on the sound quality is suppressed. The information processing device includes a pass-through object selection unit configured to acquire data of L objects and select, from the L objects, M pass-through objects whose data is to be outputted as it is, and an object generation unit configured to generate, on the basis of the data of multiple non-pass-through objects that are not the pass-through objects among the L objects, the data of N new objects, N being smaller than (L−M). The present technology can be applied to an information processing device.

Information processing device and method, and program

The present technology relates to a decoding apparatus, a decoding method and a program which make it possible to obtain sound with higher quality. A demultiplexing circuit demultiplexes an input code string into a gain code string and a signal code string. A signal decoding circuit decodes the signal code string to output a time series signal. A gain decoding circuit decodes the gain code string. That is, the gain decoding circuit reads out gain values and gain inclination values at predetermined gain sample positions of the time series signal and interpolation mode information. An interpolation processing unit obtains a gain value at each sample position between two gain sample positions through linear interpolation or non-linear interpolation according to the interpolation mode based on the gain values and the gain inclination values. A gain applying circuit adjusts a gain of the time series signal based on the gain values. The present technology can be applied to a decoding apparatus.

Decoding apparatus and method, and program

The present technology relates to an information processing apparatus and method, and a program that enable more efficient edit. The information processing apparatus includes a control unit that selects and groups a plurality of objects existing in a predetermined space, and changes the positions of the plurality of the objects while maintaining the relative positional relationship of the plurality of the grouped objects in the space. The present technology can be applied to information processing apparatuses.

Information processing apparatus and method, and program

The present technology relates to a signal processing device, a method, and a program capable of improving transmission efficiency and efficiency in the data processing amount. A signal processing device includes: an acquisition unit that acquires polar coordinate position information indicating a position of a first object expressed by polar coordinates, audio data of the first object, absolute coordinate position information indicating a position of a second object expressed by absolute coordinates, and audio data of the second object; a coordinate conversion unit that converts the absolute coordinate position information into polar coordinate position information indicating a position of the second object; and a rendering processing unit that performs rendering processing on the basis of the polar coordinate position information and the audio data of the first object and the polar coordinate position information and the audio data of the second object. The present technology can be applied to a content reproduction system.

Signal processing device and method

The present technology relates to a signal processing device, a signal processing method, and a program that enable implementation of more effective distance feeling control. The signal processing device includes a reverb processing unit that generates a signal of a reverb component on the basis of object audio data of an audio object and a reverb parameter for the audio object. The present technology can be applied to a signal processing device.

Signal processing device, signal processing method, and program

An input unit receives input of an assumed listening position of sound of an object, which is a sound source, and outputs assumed listening position information indicating the assumed listening position. A position information correction unit corrects position information of each object on the basis of the assumed listening position information to obtain corrected position information. A gain/frequency characteristic correction unit performs gain correction and frequency characteristic correction on a waveform signal of an object on the basis of the position information and the corrected position information. A spatial acoustic characteristic addition unit further adds a spatial acoustic characteristic to the waveform signal resulting from the gain correction and the frequency characteristic correction on the basis of the position information of the object and the assumed listening position information. The present technology is applicable to an audio processing device.

Audio processing device and method therefor

The present technology relates to an information processing apparatus, an information processing method, and a program for achieving reduction of a processing load on a distribution side along with reduction of a transfer volume of information. The information processing apparatus includes an acquisition unit that acquires low accuracy position information having first accuracy and indicating a position of an object within a space where a user is located and acquires additional information for obtaining position information that has second accuracy higher than the first accuracy, indicates the position of the object within the space, and corresponds to a position of the user and a position information calculation unit that obtains the position information on the basis of the low accuracy position information and the additional information. The present technology is applicable to an information processing apparatus.

The present technology relates to a sound processing apparatus and a sound processing system for enabling more stable localization of a sound image. A virtual speaker is assumed to exist on the lower side among the sides of a tetragon having its corners formed with four speakers surrounding a target sound image position on a spherical plane. Three-dimensional VBAP is performed with respect to the virtual speaker and the two speakers located at the upper right and the upper left, to calculate gains of the two speakers at the upper right and the upper left and the virtual speaker, the gains being to be used for fixing a sound image at the target sound image position. Further, two-dimensional VBAP is performed with respect to the lower right and lower left speakers, to calculate gains of the lower right and lower left speakers, the gains being to be used for fixing a sound image at the position of the virtual speaker. The values obtained by multiplying these gains by the gain of the virtual speaker are set as the gains of the lower right and lower left speakers for fixing a sound image at the target sound image position. The present technology can be applied to sound processing apparatuses.

Sound processing apparatus and sound processing system

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Kanagawa, Japan

Toru Chinen