Abstract: An audio apparatus includes a network interface, a receiver, at least one storage, and at least one processor. The processor is configured to determine that the audio apparatus is in a state capable of communicating with the other audio apparatus via the network interface. The processor is also configured to receive audio data via the receiver transmitted from an external apparatus different from the other audio apparatus. The processor is also configured to output a sound based on the received audio data. The processor is also configured to transmit the sound emission control information stored in the at least one storage to the other audio apparatus. The sound emission control information includes one or more of a sound volume, and a frequency band.

Abstract: A light emission display device according to an aspect of the present invention includes: a light guide member that converts rays of incident light from a back face thereof to produce diffused light and emits the diffused light from the front face; a plurality of point light sources that are arranged at intervals on a side of the back face of the light guide member, in which the light guide member includes a light shield structure that partitions the front face into a plurality of light emission regions each corresponding to at least one point light source of the plurality of point light sources immediately below the front face, such that transmission of the rays of light to an adjacent light emission region is reduced.

Abstract: A speaker diaphragm includes a first lamination region and a second lamination region. In the first lamination region, a plurality of layers are laminated in a thickness direction of the speaker diaphragm. In the second lamination region, a plurality of layers different in number from the plurality of layers in the first lamination region are laminated. The second lamination region is different from first lamination region in average density.

Abstract: A machine learning device includes at least one processor; and at least one memory device configured to store a program, the program executed by the at least one processor to cause the at least one processor to obtain at least one first information from a communication relay device, the first information changing due to communication of the communication relay device; and to correlate the obtained at least first information with at least one characteristic of a replaceable candidate device to perform machine learning.

Abstract: A signal processing method includes obtaining, by a signal processing apparatus, a network delay time with respect to a device connected to the signal processing apparatus via a network, obtaining an input signal, determining an allowable upper limit of a delay time for an output signal corresponding to the obtained input signal based on the obtained network delay time and a total allowable delay time, selecting a signal processing having a longest delay time that is less than or equal to the allowable upper limit of the delay time, performing the selected signal processing on the obtained input signal, and transmitting the obtained input signal on which the selected signal processing has been performed, as the output signal, to the device connected to the signal processing apparatus via the network.

Abstract: A signal processing method includes receiving a signal that rises in response to a physical change and falls in response to an opposite physical change that is opposite to the physical change from a sensor that is a stretchable sensor and outputs the signal, and correcting a signal lag as either a rising of a received signal that has been received from the sensor lags with respect to a falling of the received signal, or the falling of the received signal lags with respect to the rising of the received signal.

Abstract: A sound source includes: a processor that implements instructions to execute a plurality of tasks, including: a first calculating task that calculates a first estimated value based on a detection result yielded by a detecting device that detects passage of a key through a first, a second, and a third positions, the first estimated value pertaining to behavior of the key at a predetermined position; a second calculating task that calculates a second estimated value based on the result, the second estimated value pertaining to behavior of the key at a fourth position; a signal generating task that generates a first and a second sound signals; a first adjusting task that adjusts an output level of the first sound signal based on the first estimated value; and a second adjusting task that adjusts an output level of the second sound signal based on the second estimated value.

Abstract: A content output device includes at least one processor and at least one communicator. The at least one communicator is configured to output a plurality of channels from the at least one processor to a plurality of audio devices signals. When the number of audio devices increases and at least one additional channel is available to be reproduced, the assigning task assigns the at least one additional channel to the increased number of audio devices and the outputting task outputs the at least one additional channel in accordance with the changed assignment of the plurality of channels.

Abstract: A device system includes an acoustic device, a sensor, and a sound processor. The acoustic device is configured to be worn by a user. A sensor is configured to detect a movement of a shielding object. The sound processor is configured to generate sound with a first sound quality for a block state in which the shielding object blocks a virtual sound source localized on an opposite side of the shielding object and emit the sound from the acoustic device. The sound processor is further configured to change a sound quality of the sound from the first sound quality to a second sound quality for a non-block state in which the shielding object does not block the virtual sound source, in response to the sensor detecting that the shielding object moves from a position blocking the virtual sound source.

Abstract: Sound device receives a first sound signal from a first sound processor, generates a second sound signal based on the first sound signal, and transmits the second sound signal to a second sound processor. The second sound processor performs signal processing to the second sound signal to generate a third sound signal. The sound device receives the third sound signal from the second sound processor, checks a state of the second sound processor based on a signal received from the second sound processor, transmits a fourth sound signal based on the third sound signal to the first sound processor when determining that the state of the second sound processor is normal, and generates a fifth sound signal based on the first sound signal or the second sound signal to transmit it to the first sound processor when determining that the state of the second sound processor is abnormal.

Abstract: A signal converter includes a chamber, a first diaphragm, a second diaphragm, and a first converter. The chamber has a first opening at one end and a second opening at a second end opposite the first end. The first diaphragm is disposed so as to cover the first opening. The second diaphragm is disposed so as to cover the second opening. The first converter is disposed in the chamber and configured to generate a first signal based on a vibration of the first diaphragm.

Abstract: Provided is a stand for a musical instrument, the stand including a pole in the shape of a stick extending in one direction, and a plurality of legs extending from the pole and arranged in a circumferential direction of the pole. At least one of the plurality of legs is a rotatable leg attached to the pole so as to be capable of rotating about a central axis of the pole. At least one of the plurality of legs is an offset leg held by the pole such that a longitudinal axis of the offset leg is apart from the central axis of the pole without crossing the central axis when viewed in an axial direction of the pole.

Abstract: A keyboard device includes a plurality of keys, and a keyboard driver configured to drive at least a part of the plurality of keys. The keyboard device is configured such that sound is generated based on a first sound-generating process in which the keyboard driver is configured to drive a key corresponding to a first pitch, upon receiving performance data including the first pitch. The keyboard device is configured such that sound is generated based on a second sound-generating process that is different from the first sound-generating process, upon receiving performance data including a second pitch that is different from the first pitch.

Abstract: An operation detection device for a key operation of a keyboard device includes a conductive unit configured to be disposed on each of keys, a substrate configured to be disposed facing each of the keys in a pressing direction of the keys. The substrate is provided with a sensor including at least first and second coils, the sensor being configured to be disposed spaced from one key so that at least one of the first or second coil outputs a signal corresponding to a distance between the one key and the respective sensor. The operation detection device includes a detection unit configured to detect a displacement of the one key in at least one of a yaw direction or a roll direction based on signals output from the first and second coils during a key pressing stroke of the one key.

Abstract: A musical sound producing apparatus includes a plurality of keys, a sound production information generator that generates sound production information for producing a musical sound based on a first key operation on any key among the plurality of keys, a control information generator that generates control information for controlling, on the basis of a second key operation different from the first key operation, a mode of the musical sound produced on the basis of the first key operation, and a musical sound signal generator that generates a musical sound signal on the basis of the sound production information and the control information.

Abstract: A sound signal processing method includes receiving a sound signal, generating an early reflection sound control signal that reproduces an early reflection sound and a reverberant sound control signal that reproduces a reverberant sound from the sound signal, controlling a volume of the sound signal and distributing the sound signal to generate a direct sound control signal, and mixing the direct sound control signal, the early reflection sound control signal that reproduces a direct sound, and the reverberant sound control signal to generate an output signal.

Abstract: A sound signal output method of outputting sound to a plurality of areas comprises obtaining a sound signal of a sound source, receiving a setting of reproduction information indicating whether or not to output the sound signal of the above-mentioned sound source to each of the plurality of areas where the above-mentioned sound signal is to be output, and outputting the above-mentioned reproduction information and the above-mentioned sound signal, or reproducing the above-mentioned sound signal based on the above-mentioned reproduction information.

Abstract: An audio signal processing method performs signal processing on a first audio signal to be outputted to a first device that a performer uses, the first audio signal on which the signal processing has been performed being a second audio signal, receiving a setting that causes the first audio signal to send to a monitor bus which is for to output the second audio signal, and performing signal processing on the second audio signal, which is received via the monitor bus and is to be outputted to a second device different from the first device, such that a sound quality of a sound to be outputted by the second device is closer to sound quality of a sound to be outputted by the first device than in a case where the signal processing is not performed on the second audio signal.

Abstract: An audio signal processing device including: an input reception section that receives input from a user for selection of a channel of a mixing device; an audio signal input section that receives an audio signal corresponding to the channel of the mixing device selected according to the input from the user for the selection of the channel received at the input reception section; an audio source identification section that analyzes the audio signal received at the audio signal input section and identifies a kind of audio source of the audio signal; a setting data acquisition section that acquires setting data corresponding to the kind of audio source identified by the audio source identification section; and a setting data setting section that prompts the mixing device to set the setting data acquired by the setting data acquisition section for the channel received at the input reception section.