Yamaha Corporation

Yuta Yuyama

Ryotaro Aoki

Kunihiro Kumagai

Masaya Kano

Keita Arimoto

Atsushi Usui

Kotaro Nakabayashi

Masaki Katayama

Morishige Fujisawa

Tomoko Ninomiya

Kohei Sekiguchi

A data processing device includes: a digital signal processor; at least one processor; and at least one memory device configured to store a plurality of instructions, which when executed by the at least one processor, cause the at least one processor to operate to: output a first determination result relating to a scene of content through use of sound data; select processing for the sound data by a first selection method based on the first determination result; determine an attribute of the content from among a plurality of attribute candidates; and select the processing by a second selection method, which is different from the first selection method, based on a determination result of the attribute, wherein the digital signal processor is configured to execute the processing selected by the at least one processor on the sound data.

Data processing device and data processing method

An apparatus that identifies a scene type includes at least one processor and a memory. The memory is operatively coupled to the at least one processor and is configured to store instructions executable by the processor. Upon execution of the instructions, the processor is caused to identify a scene type of content that includes video and audio based on a feature amount of the audio in the content.

Apparatus that identifies a scene type and method for identifying a scene type

An acoustic processing device including a memory storing instructions and a processor that implements the stored instructions to execute a plurality of tasks, the tasks including: an analyzing task that analyzes an input signal; a determining task that determines an acoustic effect to be applied to the input signal, from among a first acoustic effect of virtual surround and a second acoustic effect of virtual surround different from the first acoustic effect, based on a result of the analyzing task; and an acoustic effect applying task that applies the acoustic effect determined by the determining task to the input signal.

Acoustic processing device and acoustic processing method

An apparatus for generating relations between feature amounts of audio and scene type includes at least one processor and a memory. The memory is operatively coupled to the at least one processor. The processor is configured to set one of the scene types to each of clusters classifying the feature amounts of audio in one or more pieces of content. The processor is also configured to generate a plurality of pieces of learning data, each representative of a feature amount, from among the feature amounts of the audio, that belongs to each cluster and the scene type set for each cluster. The processor is also configured to generate an identification model representative of relations between the feature amounts of audio and the scene types by performing machine learning using the plurality of pieces of learning data.

Apparatus for generating relations between feature amounts of audio and scene types and method therefor

An audio data processing device according to an aspect of the present disclosure includes: a sound field effect data generator configured to add sound field effect data to audio data by arithmetic operation processing using a parameter, at least one processor, and at least one memory device that stores a plurality of instructions, which when executed by the at least one processor, causes the at least one processor to operate to: analyze a scene for the audio data, recognize switching of the scene based on an analysis result of the scene, gradually decrease both an input gain and an output gain of the sound field effect data generator, and gradually increase both the input gain and the output gain after changing the parameter.

Audio data processing device and control method for an audio data processing device

An apparatus for generating relations between feature amounts of audio and scene types includes at least one processor and a memory. Upon execution of the instructions the processor is caused to set one of the scene types in accordance with an instruction from a user to indicate one of clusters classifying the feature amounts of audio in one or more pieces of content. The processor is also caused to generate a plurality of pieces of learning data, each representative of a feature amount, from among the feature amounts, that belongs to the cluster and the scene type set for the cluster. The processor is also caused to generate an identification model representative of relations between the feature amounts of audio and the scene types by performing machine learning using the plurality of pieces of learning data.

An information processing apparatus includes a processor that performs a separate process to separate a content signal into a primary component which is an objective sound and a secondary component which is other than the objective sound, a speaker that outputs the primary component, and a transmitter that transmits the secondary component to another apparatus.

Information processing apparatus, information processing method and audio system

A signal processing device includes a selector configured to select one of a plurality of methods, in accordance with which a signal generation process is performed for generating a transfer signal in which additional information is added to an audio signal; a signal processor configured to execute the signal generation process of adding the additional information to the audio signal in accordance with the method selected by the selector; and a transferrer configured to transfer to a reproduction device the transfer signal generated by the signal processor.

Signal processing device, audio signal transfer method, and signal processing system

An audio signal processing apparatus includes an input unit configured to receive input of audio signals of a plurality of channels, an obtaining unit configured to obtain position information of a sound source, a sound field effect sound generating unit configured to generate a sound field effect sound by individually imparting a sound field effect to an audio signal of each of the channels, and a control unit configured to control the sound field effect to be imparted in the sound field effect sound generating unit, based on the position information.

Audio signal processing apparatus

A signal processor includes an input unit that receives a first audio signal and a second audio signal including mutually correlated components, a delay unit that delays the first audio signal received at the input unit by a prescribed delay time, a synthesis unit that synthesizes the first audio signal having been delayed by the delay unit with the second audio signal received at the input unit, and outputs a third audio signal resulting from synthesis, and a frequency band restriction unit that restricts a level of the first audio signal before the synthesis in a prescribed frequency band including a frequency of a dip occurring at a lowest frequency among a plurality of dips occurring in a frequency characteristic of the third audio signal as a result of the synthesis performed by the synthesis unit.

Signal processor and signal processing method

A user interface device includes: a display unit that displays a user interface screen associated with a first coordinate axis, the first coordinate axis corresponding to a first attribute of a sound field and being allocated with a plurality of parameters related to the first attribute; a first specification unit that specifies a coordinate value of the first coordinate axis corresponding to a position in the user interface screen specified by a user; and a second specification unit that specifies a value of each of the plurality of parameters, based on the specified coordinate value.

User interface device, sound control apparatus, sound system, sound control method, and program

A sound processing apparatus includes a sound processing section configured to produce left and right channel effect signals by conducting a sound process on left and right channel sound signals, a sound image area expanding section configured to produce left and right channel sound image signals by which sound images are localized outside left and right 2-channel speakers, and a signal combining section configured to add the left channel sound signal and the left channel sound image signal, and add the right channel sound signal and the right channel sound image signal.

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Hamamatsu, Japan

Yuta Yuyama