Abstract: A filter generation apparatus includes: a coefficient calculation unit that performs IFFT on a frequency characteristic of a frequency domain filter and calculates a filter coefficient of a linear phase FIR filter; a conversion unit that converts the filter coefficient to a filter coefficient of a minimum phase FIR filter; a coefficient generation unit that generates a filter coefficient of an approximation filter by executing cut-out processing to a filter length set by a filter length setting unit and rounding processing performed by a window function on the filter coefficient; an error calculation unit that calculates an error of a frequency characteristic corresponding to the approximation filter with respect to the frequency characteristic of the frequency domain filter; and a filter storage unit that stores the filter coefficient therein as a filter coefficient that specifies a new filter when the error is equal to or less than a predetermined threshold value.

Abstract: An acoustic device includes: a generating unit that generates a monaural signal on the basis of a left stereo signal and a right stereo signal in a low frequency band; an extracting unit that extracts a stereo component for an L-channel and a stereo component for an R-channel on the basis of a left stereo signal and a right stereo signal in a high frequency band; a first combining unit that combines the monaural signal and the stereo component for the L-channel; and a second combining unit that combines the monaural signal and the stereo component for the R-channel.

Abstract: A signal processing device according to aspects of the present disclosures comprises a measuring section configured to measure an impulse response between each of a plurality of speakers and a predetermined listening position, a Fourier transformer configured to obtain a frequency spectrum corresponding to each of the plurality of speakers by applying a Fourier transform, a phase adjustment amount calculator configured to calculate a phase adjustment amount for each frequency, a band detector configured to detect a leading phase band, a phase converter configured to convert a phase of the leading phase band to a lagging phase, and a filter coefficient generator configured to generate a filter coefficient based on the phase adjustment amount after conversion by the phase converter.

Abstract: A filter generation apparatus includes: a coefficient calculation unit that performs IFFT on a frequency characteristic of a frequency domain filter and calculates a filter coefficient of a linear phase FIR filter; a conversion unit that converts the filter coefficient to a filter coefficient of a minimum phase FIR filter; a coefficient generation unit that generates a filter coefficient of an approximation filter by executing cut-out processing to a filter length set by a filter length setting unit and rounding processing performed by a window function on the filter coefficient; an error calculation unit that calculates an error of a frequency characteristic corresponding to the approximation filter with respect to the frequency characteristic of the frequency domain filter; and a filter storage unit that stores the filter coefficient therein as a filter coefficient that specifies a new filter when the error is equal to or less than a predetermined threshold value.

Abstract: A radiation imaging apparatus includes an internal unit having a radiation detector arranged to convert a radiation that is passed through a subject into electric signals. A base plate is arranged to support the radiation detector. A case having a rectangular parallelepiped shape is arranged to accommodate the internal unit. A fitting member is interposed between an inner wall of the case and an end portion of the internal unit, and fitted to the inner wall of the case and the end portion of the internal unit in a planar view as seen from an incident direction of the radiation.

Abstract: A sheet conveying device, which is incorporated in an image forming apparatus, includes a first detector to detect an angle deviation of a recording medium to a sheet conveying direction, a second detector to detect a lateral shift of the recording medium to a width direction, a third detector to detect at least one of the angle deviation and the lateral shift after correction of the angle deviation detected by the first detector and the lateral shift detected by the second detector, and a rotary body to perform a primary movement by (1) rotating in the sheet conveying direction and returning to a reference position and by (2) moving in the width direction and returning to the reference position, and a secondary movement by performing at least one of (1) and (2) after the primary movement.

Abstract: A merchandise sorting device includes a conveyance path, a chute, and a sorting plate. The conveyance path includes a placement surface on which an item is placed, and along which the item moves. The chute is inclined downward from the conveyance path and forms an inclined surface on which the item can be slid. The sorting plate is provided at a lower end of the chute and is rotatable about an axis paralleling an edge of the lower end of the chute to open and close the lower end of the chute.

Abstract: A sheet conveying device, which is included in an image forming apparatus and a post processing device, includes multiple position detectors and a position corrector. The multiple position detectors are aligned along a sheet conveying direction and configured to detect a side end of a sheet. The position corrector is configured to convey the sheet and correct a position of the sheet based on a positional deviation amount of the sheet, obtained by a detection result of the multiple position detectors. The positional deviation amount of the sheet is obtained by an extreme downstream position detector in the sheet conveying direction, of the multiple position detectors. A position of a subsequent sheet is corrected based on a sum of the positional deviation amount of the sheet and a positional deviation amount of the subsequent sheet.

Abstract: A radiation imaging apparatus includes an internal unit having a radiation detector arranged to convert a radiation that is passed through a subject into electric signals. A base plate is arranged to support the radiation detector. A case having a rectangular parallelepiped shape is arranged to accommodate the internal unit. A fitting member is interposed between an inner wall of the case and an end portion of the internal unit, and fitted to the inner wall of the case and the end portion of the internal unit in a planar view as seen from an incident direction of the radiation.

Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a sheet holding roller to move while holding a sheet, a detector to perform a primary detection to detect a sheet position before the sheet holding roller holds the sheet and a secondary detection to detect a sheet position downstream from the sheet position detected by the primary detection, and a controller configured to cause the sheet holding roller to perform a first drive to move the sheet holding roller in at least one direction of a width direction of the sheet and a rotation direction in a sheet conveying surface based on a result of the primary detection and a second drive to move the sheet holding roller opposite to the at least one direction of the first drive, based on a result of the secondary detection.

Abstract: A physical distribution system includes first and second conveyance paths, first and second sensors, and a processor. The first sensor detects a package passing along the first conveyance path. The second conveyance path merges with the first conveyance path at a junction. The second sensor detects a package passing along the second conveyance path. The processor counts a first number of packages present in a first convergence monitoring section determined in the first conveyance path upstream the junction, and counts a second number of packages present in a second convergence monitoring section determined in the second conveyance path upstream the junction, determines an order in which packages in the first and second convergence monitoring sections pass the junction, based on the first number and the second number, and control the first and second conveyance paths, such that the packages pass the junction in the determined order.

Abstract: Provided is a notification device and notification method that reduce the output and power consumption of an amplifier or the like and allow a user to sufficiently feel the presence or absence of notification through vibration. A notification device (1) includes a sweep signal generator (4) configured to generate a detection sweep signal by continuously changing the frequency in a frequency band in which a speaker (6) can cause a user to feel a signal in the form of vibration, a vibration detector (7) configured to detect vibration outputted from the speaker (6), and a sound measurement unit (8) configured to detect, as a sweep frequency band, a frequency band in which vibration indicates signal levels equal to or higher than a threshold. The sweep signal generator (4) generates a resonance sweep signal by changing the frequency in the sweep frequency band and causes the speaker (6) to generate vibration.

Abstract: Disclosed herein is a delivery system including a delivery apparatus. The delivery apparatus includes a setting information acquisition section configured to acquire setting information set to a terminal on which an application is executed on the basis of the setting information, a terminal section configured to have at least part of functions of the terminal and execute an application in accordance with an instruction from the terminal on the basis of the setting information acquired by the setting information acquisition section, and a delivery section configured to deliver image information based on the execution of the application to one of the terminal and a terminal related to the terminal.

Abstract: A sheet conveying device, which is included in an image forming apparatus and a post processing device, includes a position corrector and either one of a rolling body and a contact resistance reducer. The position corrector is configured to convey a sheet and correct a position of the sheet. The rolling body is disposed at least one of an upstream side and a downstream side of a sheet conveyance passage from the position corrector in a sheet conveying direction and is configured to roll in at least a direction intersecting the sheet conveying direction. The contact resistance reducer is configured to reduce contact resistance generated due to contact of the sheet to a neighboring part when the position of the sheet is corrected by the position corrector.

Abstract: An audio processor (1) includes a first filter coefficient calculator (31) that calculates a first filter coefficient so as to correspond to first gains for respective bands set by a user, a second filter coefficient calculator (32) that if values of third gains for respective bands of the first filter coefficient are greater than an absolute value of a second gain set by the user, calculates a second filter coefficient by limiting the values of the third gains for the respective bands to the amplitude value of the second gain, and a filtering unit (35) that filters an audio signal that has been transformed into a frequency-domain signal, using the second filter coefficient.

Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a sheet holding roller to move while holding a sheet, a detector to perform a primary detection to detect a sheet position before the sheet holding roller holds the sheet and a secondary detection to detect a sheet position downstream from the sheet position detected by the primary detection, and a controller configured to cause the sheet holding roller to perform a first drive to move the sheet holding roller in at least one direction of a width direction of the sheet and a rotation direction in a sheet conveying surface based on a result of the primary detection and a second drive to move the sheet holding roller opposite to the at least one direction of the first drive, based on a result of the secondary detection.

Abstract: A propagation delay tune correction apparatus comprising a means for generating a frequency spectrum signal by performing short-term Fourier transform on an audio signal; a means for setting a propagation delay time for each of a plurality of predetermined frequency bands; a means for calculating a phase control amount for each of the plurality of predetermined frequency bands on a basis of the propagation delay time set for each of the plurality of predetermined frequency bands; a means for generating a phase control signal by smoothing the calculated phase control amount for each of the plurality of predetermined frequency bands; a means for controlling a phase of the frequency spectrum signal for each of the plurality of predetermined frequency bands on a basis of the generated phase control signal; and a means for generating an audio signal on which a propagation delay correction is performed by performing inverse short-term Fourier transform on the frequency spectrum signal of which the phase is controll

Abstract: A phase control signal generation device generating a phase control signal for each of frequency bands for an audio signal converted into a frequency domain, the phase control signal generation device comprising: a setting change means that is able to change setting of a propagation delay time for each of predetermined frequency bands; a difference obtaining means that obtains a difference between propagation delay times before and after setting change; an updating means that updates a phase control amount of the frequency band for which the propagation delay time is changed, based on the obtained difference; and a phase control signal generating means that generates a phase control signal of each frequency band by performing a smoothing process for the phase control amount in a frequency domain using the updated phase control amount.

Abstract: A sheet conveying device, which is incorporated in an image forming apparatus, includes a first detector to detect an angle deviation of a recording medium to a sheet conveying direction, a second detector to detect a lateral shift of the recording medium to a width direction, a third detector to detect at least one of the angle deviation and the lateral shift after correction of the angle deviation detected by the first detector and the lateral shift detected by the second detector, and a rotary body to perform a primary movement by (1) rotating in the sheet conveying direction and returning to a reference position and by (2) moving in the width direction and returning to the reference position, and a secondary movement by performing at least one of (1) and (2) after the primary movement.

Abstract: A sheet conveying device, which is included in an image forming apparatus and a post processing device, includes multiple position detectors and a position corrector. The multiple position detectors are aligned along a sheet conveying direction and configured to detect a side end of a sheet. The position corrector is configured to convey the sheet and correct a position of the sheet based on a positional deviation amount of the sheet, obtained by a detection result of the multiple position detectors. The positional deviation amount of the sheet is obtained by an extreme downstream position detector in the sheet conveying direction, of the multiple position detectors. A position of a subsequent sheet is corrected based on a sum of the positional deviation amount of the sheet and a positional deviation amount of the subsequent sheet.