Abstract: Provided is a practical method for processing a gallium oxide substrate that enables the gallium oxide substrate to be cut vertically and horizontally in a lattice shape. Mechanical scribing processing in which a cut groove is engraved on a main plane by a scribing tool along a planned cutting line parallel to an X direction, which is defined as a direction parallel to an intersection line between the main plane and a plane (100), is performed using a gallium oxide substrate of which the main plane is the plane (001), laser scribing processing to be altered by scanning with a laser beam along a planned cutting line parallel to the Y direction is performed, and cutting is performed by break along planned cutting lines in the X direction and the Y direction after the mechanical scribing processing and after the laser scribing processing.

Abstract: An image capturing apparatus includes an image sensor, a power supply circuit, and a power storage device. A charging unit charges the power storage device using power from the power supply circuit. A control unit performs control such that in a first operation state of the image capturing apparatus, power is supplied from the power supply circuit to the image sensor without power being supplied from the power storage device to the image sensor. The control unit further performs control such that in a second operation state of the image capturing apparatus in which a maximum power consumption of the image sensor is higher than in the first operation state, power is supplied from the power supply circuit and the power storage device to the image sensor.

Abstract: An electronic device includes a connection unit including a first terminal for receiving power from a power supply apparatus and a second terminal for receiving power supply capability of the power supply apparatus, a communication control unit that performs communication with the power supply apparatus via the second terminal, and a power control unit that performs a process for limiting power supplied from the power supply apparatus to a predetermined power or less in a case where the power supply capability is received from the power supply apparatus.

Abstract: An audio processing apparatus includes a first microphone configured to obtain ambient sound, a second microphone configured to obtain noise from a noise source, a first conversion unit configured to perform a Fourier transform on an audio signal from the first microphone to generate a first audio signal, a second conversion unit configured to perform a Fourier transform on an audio signal from the second microphone to generate a second audio signal, a generation unit configured to generate noise data by using the second audio signal and a parameter related to the noise from the noise source, a subtraction unit configured to subtract the noise data from the first audio signal, and a third conversion unit configured to perform an inverse Fourier transform on an audio signal from the subtraction unit.

Abstract: An electronic device includes a connection unit that receive power from a power supply apparatus via a first terminal, a communication control unit that communicates with the power supply apparatus via a second terminal to receive power supply capability information of the power supply apparatus, and a control unit that disables activation of the electronic device before the communication control unit receives a predetermined notification from the power supply apparatus.

Abstract: An image pickup apparatus to which an accessory is attachable includes a control unit communicable with the accessory, and configured to store information on power suppliable to the accessory and to acquire from the accessory at least one of information on the power required by the accessory, information on a power source for the accessory, and information on charge control of a battery provided in the accessory.

Abstract: A sound processing apparatus includes a first microphone that acquires an environmental sound, a second microphone that acquires noise from a noise source, a first conversion unit that performs Fourier transform on a sound signal from the first microphone to generate first sound data, a second conversion unit that performs Fourier transform on a sound signal from the second microphone to generate second sound data, a first reduction unit that reduces noise from the noise source in the first sound data using noise data, a detection unit detects, based on the second sound data, that short-term noise from the noise source is included in the first sound data, a second reduction unit that controls a magnitude of sound data from the first reduction unit and reduces the short-term noise, and a third conversion unit that performs inverse Fourier transform on sound data from the second reduction unit.

Abstract: An image capturing apparatus comprising: an image capturing unit; a sound collecting unit; a detecting unit for detecting sound pressure level of a voice sound collected by the sound collecting unit, a recognizing unit for recognizing that a voice sound collected by the sound collecting unit is an instruction for shooting by the image capturing unit; and a control unit, wherein the control unit controls the image capturing unit to shoot in response that the detecting unit detects sound pressure level of a voice sound collected by the sound collecting unit is larger than a predetermined sound pressure level, and that the recognizing unit recognizes the voice sound as an instruction for shooting by the image capturing unit.

Abstract: An electronic apparatus attachable to an accessory includes a power supply unit, and a control unit for controlling the power supply unit. The electronic apparatus can transition from a normal operating state to a power-saving state that includes a first power-saving state in which a power supply switch of the electronic apparatus is turned off, and a second power-saving state in which a non-operating state continues for a predetermined time. The control unit receives first information indicating whether or not the power supply from the electronic apparatus to the accessory is requested in the first power-saving state, and second information indicating whether or not the power supply from the electronic apparatus to the accessory is requested in the second power-saving state. The control unit causes the power supply unit to supply the power in the power-saving state where the power supply is requested.

Abstract: An audio processing apparatus includes a first microphone configured to obtain ambient sound, a second microphone configured to obtain noise from a noise source, a first conversion unit configured to perform a Fourier transform on an audio signal from the first microphone to generate a first audio signal, a second conversion unit configured to perform a Fourier transform on an audio signal from the second microphone to generate a second audio signal, a generation unit configured to generate noise data by using the second audio signal and a parameter related to the noise from the noise source, a subtraction unit configured to subtract the noise data from the first audio signal, and a third conversion unit configured to perform an inverse Fourier transform on an audio signal from the subtraction unit.

Abstract: An electronic device includes a connection unit that receive power from a power supply apparatus via a first terminal, a communication control unit that communicates with the power supply apparatus via a second terminal to receive power supply capability information of the power supply apparatus, and a control unit that disables activation of the electronic device before the communication control unit receives a predetermined notification from the power supply apparatus.

Abstract: An electronic device includes a connection unit including a first terminal for receiving power from a power supply apparatus and a second terminal for receiving power supply capability of the power supply apparatus, a communication control unit that performs communication with the power supply apparatus via the second terminal, and a power control unit that performs a process for limiting power supplied from the power supply apparatus to a predetermined power or less in a case where the power supply capability is received from the power supply apparatus.

Abstract: An image capturing apparatus comprising: an image capturing unit; a driving unit for moving an image capturing direction; a first detection unit; a second detection unit; a sound input unit including a plurality of microphones; a third detection unit; and a control unit, wherein the control unit determines microphones of the sound input unit, based on the direction of the user detected by the first detection unit and the movement of the image capturing apparatus detected by the second detection unit, wherein the third detection unit detects a direction of a sound source of the voice collected by microphones, and wherein, in a case where the third detection unit has detected the direction of the sound source of the voice, the control unit controls the driving unit to move the image capturing direction of the image capturing unit to direct toward the direction of the sound source.

Abstract: An image capturing apparatus comprising: an image capturing unit; a sound collecting unit; a detecting unit for detecting sound pressure level of a voice sound collected by the sound collecting unit, a recognizing unit for recognizing that a voice sound collected by the sound collecting unit is an instruction for shooting by the image capturing unit; and a control unit, wherein the control unit controls the image capturing unit to shoot in response that the detecting unit detects sound pressure level of a voice sound collected by the sound collecting unit is larger than a predetermined sound pressure level, and that the recognizing unit recognizes the voice sound as an instruction for shooting by the image capturing unit.

Abstract: An audio processing apparatus includes a transform unit that transforms time series audio data obtained from first and second microphones into first and second frequency spectrum data; a driving noise computation processing unit that computes a subtraction amount of the driving noise for each of frequencies from the first and second frequency spectrum data obtained by the transform unit; a generating unit that, on the basis of the first and the second frequency spectrum data obtained by the transform unit and the driving noise subtraction amount obtained by the driving noise computation processing unit, generates left and right channel frequency spectrum data in which the driving noise is respectively suppressed; and an inverse transform unit that inverse-transforms the left and right channel frequency spectrum data generated by the generating unit into left and right channel time series audio data, respectively.

Abstract: A percussion-instrument playing apparatus for playing a percussion instrument having a striking surface. The apparatus includes: a main body to be mounted on the percussion instrument 100 to face the striking surface of the percussion instrument with a predetermined space from the striking surface; an arm supporter attached to the main body; an arm that has, at a distal end, an arm head, and is rotatably supported by the arm supporter; a drive device that allows the arm to be rotationally displaced between a state where the arm head pushes the striking surface of the percussion instrument and a state where the arm head is separated from the striking surface; a control device that controls the drive device in accordance with a control program; and an operation device that outputs a drive instruction signal to the control device in response to an operation by a user.

Abstract: A percussion-instrument playing apparatus for playing a percussion instrument having a striking surface. The apparatus includes: a main body to be mounted on the percussion instrument 100 to face the striking surface of the percussion instrument with a predetermined space from the striking surface; an arm supporter attached to the main body; an arm that has, at a distal end, an arm head, and is rotatably supported by the arm supporter; a drive device that allows the arm to be rotationally displaced between a state where the arm head pushes the striking surface of the percussion instrument and a state where the arm head is separated from the striking surface; a control device that controls the drive device in accordance with a control program; and an operation device that outputs a drive instruction signal to the control device in response to an operation by a user.

Abstract: An audio processing apparatus includes a transform unit that transforms time series audio data obtained from first and second microphones into first and second frequency spectrum data; a driving noise computation processing unit that computes a subtraction amount of the driving noise for each of frequencies from the first and second frequency spectrum data obtained by the transform unit; a generating unit that, on the basis of the first and the second frequency spectrum data obtained by the transform unit and the driving noise subtraction amount obtained by the driving noise computation processing unit, generates left and right channel frequency spectrum data in which the driving noise is respectively suppressed; and an inverse transform unit that inverse-transforms the left and right channel frequency spectrum data generated by the generating unit into left and right channel time series audio data, respectively.

Abstract: In a device, first and second transforming units acquire first and second audio spectrums from audio data obtained by first and second microphones, a first subtracting unit subtracts a first noise spectrum from the first audio spectrum if an instruction to drive a drive unit is input, a second subtracting unit subtracts a second noise spectrum from the second audio spectrum if the instruction is input, a control unit selects one of a third audio spectrum and a fourth audio spectrum in accordance with a result of comparison between the third and fourth audio spectrums, a third transforming unit acquires first audio data from the audio spectrum selected among the third audio spectrum and the fourth audio spectrum, and a fourth transforming unit acquires second audio data from the audio spectrum selected among the third audio spectrum and the fourth audio spectrum.

Abstract: In a device, first and second transforming units acquire first and second audio spectrums from audio data obtained by first and second microphones, a first subtracting unit subtracts a first noise spectrum from the first audio spectrum if an instruction to drive a drive unit is input, a second subtracting unit subtracts a second noise spectrum from the second audio spectrum if the instruction is input, a control unit selects one of a third audio spectrum and a fourth audio spectrum in accordance with a result of comparison between the third and fourth audio spectrums, a third transforming unit acquires first audio data from the audio spectrum selected among the third audio spectrum and the fourth audio spectrum, and a fourth transforming unit acquires second audio data from the audio spectrum selected among the third audio spectrum and the fourth audio spectrum.