Sony Corporation

Sony Group Corporation

Hirofumi Takeda

Shiro Suzuki

Shuichiro Nishigori

Jun Matsumoto

Takahiro Watanabe

Ikuo Yamano

Toshiyuki Nakagawa

Takuma Domae

Ryuji Tokunaga

A decoder according to the present technology includes a first decoding unit configured to, for encoded data obtained by encoding a tactile signal, decode a first band signal being a signal of a first frequency band in the tactile signal, the encoded data including data obtained by encoding the first band signal and tactile strength information indicative of a tactile strength for a second frequency band different from the first frequency band in the tactile signal, a second decoding unit configured to decode a second band signal being a signal of the second frequency band in the tactile signal on the basis of the tactile strength information in the encoded data, and a synthesis unit configured to synthesize the first band signal decoded by the first decoding unit and the second band signal decoded by the second decoding unit.

Decoder for encoded tactile signal indicative of a tactile strength decoding frequency bands in the tactile signal

A system related to tactile reproduction is made more efficient by achieving a data amount reduction of a tactile signal while ensuring reproducibility of a tactile sense. An encoding apparatus according to the present technology includes an encoding unit configured to encode tactile signals using different data formats between different regions of a human body. Therefore, for example, a data amount reduction of a tactile signal can be performed considering difficulty in perceiving tactile stimulation of a region, by reducing a data distribution of a tactile signal for a region with low tactile sensitivity using a difference in tactile sensitivity between regions of a human body, and the like.

Encoding apparatus, encoding method, decoding apparatus, decoding method, transmission system, receiving apparatus, and program

A tactile reproduction system is made more efficient by achieving a data amount reduction of a tactile signal while ensuring reproducibility of a tactile sense. A decoding apparatus according to the present technology includes a decoding unit configured to decode tactile coded data obtained by performing encoding of compressing an information amount, on a tactile signal using higher-order perception in a tactile sense. Therefore, a data amount reduction of a tactile signal can be performed in accordance with a tactile characteristic of a human.

Decoding apparatus, decoding method, and program

An object is to reduce the amount of data to be transmitted while ensuring tactile reproducibility. A decoding device according to the present technology includes: a first decoding unit that decodes first encoded data obtained by encoding a first signal section with a first bit rate, the first signal section being a part of a touch signal section which is a signal section indicating a touch state with an object in a tactile signal, the first signal section being a signal section including a boundary between the touch state and a non-touch state with the object; and a second decoding unit that decodes second encoded data obtained by encoding a second signal section with a bit rate lower than the first bit rate, the second signal section being a signal section except for the first signal section in the touch signal section.

Decoding device, decoding method, program, encoding device, and encoding method

A tactile reproduction system achieves a data amount reduction of a tactile signal while ensuring reproducibility of a tactile sense. A decoding apparatus includes a decoding unit configured to decode tactile coded data obtained by performing encoding of compressing an information amount, on a tactile signal using higher-order perception in a tactile sense. Therefore, a data amount reduction of a tactile signal can be performed in accordance with a tactile characteristic of a human.

As a bit stream generation method for generating a bit stream of transmission data in which a plurality of signals including at least a tactile signal is multiplexed, a signal transmission unrequired section of the tactile signal is determined and, in a case where the signal transmission unrequired section exists, the bit stream in which additional information other than the tactile signal is inserted into the signal transmission unrequired section is generated.

Bit stream generation method, encoding device, and decoding device

To reduce uncomfortableness in the transmission of sensory stimulation information, the uncomfortableness being caused by different recording and reproducing environments. An information processing device according to the present technique includes: a positional-relationship-information acquisition unit that acquires information on a first positional relationship between a recording device and a recording subject, the recording device performing recording in a recording environment for recording sensory stimulation information transmitted from the recording subject, and information on a second positional relationship between the recording subject and a user in the reproduction environment of the recorded sensory stimulation information; and a correction unit that corrects the output signals of reproducing devices for the reproduction of the sensory stimulation information on the basis of the information on the first positional relationship and the information on the second positional relationship.

Information processing device, information processing method, and recording/reproduction system

A control apparatus according to an embodiment of the present technology includes an audio control section and a vibration control section. The audio control section generates audio control signals of a plurality of channels with audio signals of the plurality of channels as input signals, the audio signals each including a first audio component and a second audio component different from the first audio component. The vibration control section generates a vibration control signal for vibration presentation by taking a difference between audio signals of two channels among the plurality of channels.

Control apparatus, signal processing method, and speaker apparatus

To reduce data amount while ensuring tactile reproducibility of a two-dimensional tactile signal, and improve the efficiency of a system related to tactile reproduction. Coding is performed to compress information amount by orthogonally transforming a two-dimensional tactile signal based on a time signal. By orthogonally transforming a two-dimensional tactile signal based on a time signal, it is possible to compress information amount by removing frequency components that are difficult for humans to perceive, as in the case of an image signal, for example. Accordingly, it is possible to reduce data amount while ensuring tactile reproducibility of a two-dimensional tactile signal, and improve the efficiency of a system related to tactile reproduction.

Coding device, coding method, decoding device, decoding method, and program

Provided is a decoding device including a decoding unit configured to decode a plurality of pieces of encoded data on the basis of encoding method information that has been received, received bitstream data including the plurality of pieces of encoded data in which a plurality of segments of a tactile signal has been respectively encoded, in which the encoding method information includes information indicating in which encoding method of a plurality of encoding methods the respective segments of the tactile signal have been encoded, the plurality of encoding methods includes a simple tactile encoding method corresponding to a simple tactile signal related to a beginning segment of the tactile signal, the plurality of pieces of encoded data includes simple tactile encoded data in which the simple tactile signal has been encoded in the simple tactile encoding method, and the decoding unit decodes the simple tactile encoded data, in a case where the encoding method information indicates the simple tactile encoding method.

Decoding device, decoding method, and program

To reduce a data amount required for tactile presentation while enabling driving of different types of tactile presentation devices corresponding to different physical amounts. An encoding device according to the present technology is provided with an encoding unit that generates coded data by performing encoding to compress an information amount by utilizing an interconversion property between physical amounts on a plurality of tactile signals representing different physical amounts. This makes it possible to obtain the tactile signals representing desired physical amounts within a range in which interconversion may be performed while compressing the information amount by utilizing the interconversion property between the physical amounts.

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

Provided is a control apparatus that includes a tactile control section and an audio control section. The tactile control section generates, on the basis of a tactile signal for tactile presentation, a tactile control signal for driving a tactile presentation unit. The audio control section generates, on the basis of a first audio signal and a second audio signal, an audio control signal for driving an audio output unit, the second audio signal containing sound components that are in an opposite phase to sound generated on the basis of the tactile signal and generated from the tactile presentation unit.

Control apparatus, loudspeaker apparatus, and audio output method

A system related to tactile reproduction is made more efficient by achieving a data amount reduction of a tactile signal while ensuring reproducibility of a tactile sense. An encoding apparatus includes an encoding unit configured to encode tactile signals using different data formats between different regions of a human body. Therefore, for example, a data amount reduction of a tactile signal can be performed considering difficulty in perceiving tactile stimulation of a region, by reducing a data distribution of a tactile signal for a region with low tactile sensitivity using a difference in tactile sensitivity between regions of a human body, and the like.

To achieve simplification in configuration and reduction in cost of a tactile reproduction system that reproduces tactile information. The signal generation device according to the present technology includes a signal generation unit that generates a tactile signal on the basis of a detection value of a motion detection unit that is provided in an imaging device and detects motion of the imaging device. This eliminates the need to provide a separate motion detection unit other than the motion detection unit provided in the imaging device in order to realize a system that reproduces tactile information together with visual information.

Signal generation device, signal generation method, and reproduction device

Provided is a decoding device including a decoding unit configured to decode encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded, and a signal addition unit configured to add the reference signal and the differential signal. In addition, provided is a decoding method by a processor, the decoding method including decoding encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded, and adding the reference signal and the differential signal that has been decoded.

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Kanagawa, Japan

Hirofumi Takeda