Abstract: A contact center support system is a system that supports a contact center and includes a control unit that executes a plurality of processes for communication performed between an operator of the contact center and a customer, in which the communication includes a call between the operator and the customer, the plurality of processes include at least a voice recognition process of recognizing at least a content of the customer's utterance from a voice of the call, an emotion recognition process of recognizing at least the customer's emotion from the voice of the call, and a filtering process of filtering the content of the utterance of the customer and/or the operator in the call, and the control unit simultaneously executes the processes included in the plurality of processes in parallel.

Abstract: An amplifier circuit includes a divider that divides an input signal into a first signal and a second signal, a first amplifier that amplifies the first signal and output a third signal to a first node, a second amplifier that amplifies the second signal and outputs a fourth signal to a second node, a combiner that combines the third signal and the fourth signal and outputs a combined signal to an output terminal as an output signal, and a processing circuit that includes an input node to which the first and the second nodes are electrically coupled, and allows a signal having a frequency lower than an operating band of the first amplifier and the second amplifier to pass through a reference potential, wherein a coupling degree between the first node and the input node is larger than a coupling degree between the second node and the input node.

Abstract: A high frequency circuit includes a transistor having an input electrode that inputs a high frequency signal and an output electrode that outputs the high frequency signal, a transmission line that is connected to any one of the input electrode and the output electrode, and transmits the high frequency signal, a coupling line electrically separated from the transmission line and electromagnetically coupled to the transmission line, and a resonance including an inductor and a capacitor connected in series between a first end of the coupling line and a reference potential. A resonance frequency of the resonance circuit is lower than an operating frequency band of the high frequency circuit.

Abstract: An outphasing amplifier includes first to fourth amplifiers, first and second impedance converters, a first matching circuit, a second matching circuit, a third matching circuit matching output impedance of first impedance converter with input impedance of third amplifier, a fourth matching circuit matching output impedance of second impedance converter with input impedance of fourth amplifier, and a combiner combining the first signal amplified by third amplifier and the second signal amplified by fourth amplifier, wherein a first phase difference of the first signal input to third matching circuit with respect to the first signal output from first matching circuit is less than 90° at a center frequency of an operating frequency band, and a second phase difference of the second signal input to fourth matching circuit with respect to the second signal output from second matching circuit is more than 90° at the center frequency.

Abstract: In order to assist participants in thinking of an idea by acquiring audio data, it is provided a workshop assistance system, which includes a computer having an arithmetic apparatus configured to execute predetermined processing, a storage device coupled to the arithmetic apparatus, and a communication interface coupled to the arithmetic apparatus, the computer being configured to access solved problem case data including information of solved cases that correspond to problem data, the workshop assistance system comprising: a problem processing module configured to search, by the arithmetic apparatus, solved cases based on problem data that is generated from a discussion among participants; and an idea generation module configured to present, by the arithmetic apparatus, idea data including the generated problem data and information of the solved case found in the search to the participants.

Abstract: An outphasing amplifier includes a first amplifier, a second amplifier, and a combiner. The combiner includes a first node inputting a first signal, a second node inputting a second signal, a third node outputting a combined signal as an output signal, a first impedance converter connected to the first node and the third node, a second impedance converter connected to the second node and the third node, a first open stub wherein when an electrical length converted into a phase at a center frequency of an operating frequency band is ?3, and an outphasing angle when a power of the output signal has a minimum value is ?bo, ?3 is different from 180°??bo and +?bo, and a second open stub wherein when an electrical length converted into a phase at the center frequency is ?4, ?4 is different from 180°??bo and +?bo.

Abstract: A high frequency circuit includes a transistor having an input electrode that inputs a high frequency signal and an output electrode that outputs the high frequency signal, a transmission line that is connected to any one of the input electrode and the output electrode, and transmits the high frequency signal, a coupling line electrically separated from the transmission line to an extent that an electromagnetic field coupling is enabled with the transmission line, and a resonance circuit that is connected between a first end of the coupling line and a reference potential, and minimizes an impedance between the first end and the reference potential at a resonance frequency.

Abstract: An amplifier includes a first amplifier amplifying first signal, a first matching circuit having first end connected to output node of first amplifier, and second end connected to first intermediate node, and a first transmission line having first end connected to first intermediate node, and second end connected to first output node. At a center frequency of an operating band, a first reactance component of impedance seen from first output node toward first transmission line is smaller than a second reactance component of impedance seen from first intermediate node toward first matching circuit, and at the center frequency, a first characteristic impedance of first transmission line is 0.5 to 2 times an absolute value of first impedance seen from second end of first matching circuit toward first matching circuit when first and second ends of first matching circuit are terminated to reference impedance.

Abstract: An outphasing amplifier includes a first amplifier, a second amplifier, a first coupler coupling a first signal and a third signal, a second coupler coupling a second signal and a fourth signal, a first impedance converter inputting the first signal coupled with the third signal, a second impedance converter inputting the second signal coupled with the fourth signal, a combiner combining the first and the second signals output from the first and the second impedance converters and outputting an output signal, and a signal processor outputting the first signal having a first phase to the first amplifier, outputting the second signal having a second phase to the second amplifier, outputting the third signal having at least one of a third phase and a first amplitude to the first coupler, and outputting the fourth signal having at least one of a fourth phase and a second amplitude to the second coupler.

Abstract: An emotion recognition system includes an input unit configured to input first speech data and second speech data, and a processing unit configured to input the first speech data and the second speech data to a differential-emotion recognition model that infers a differential emotion between two pieces of speech data, and acquire, from the differential-emotion recognition model, differential-emotion information indicating a differential emotion between the first speech data and the second speech data.

Abstract: A high frequency circuit includes a transistor having an input electrode that inputs a high frequency signal and an output electrode that outputs the high frequency signal, a transmission line that is connected to any one of the input electrode and the output electrode, and transmits the high frequency signal, a coupling line electrically separated from the transmission line to an extent that an electromagnetic field coupling is enabled with the transmission line, and a resonance circuit that is connected between a first end of the coupling line and a reference potential, and minimizes an impedance between the first end and the reference potential at a resonance frequency.

Abstract: A high frequency circuit includes a transistor amplifying a high frequency signal, and having an input electrode and an output electrode, a line that is connected to any one of the input electrode and the output electrode, and transmits a high frequency signal or an amplified high frequency signal, a bias terminal to which a bias voltage is supplied, a bias circuit that has a first end connected to a first node and a second end connected to the bias terminal, and suppresses a high frequency signal having a frequency within an operating frequency band of the transistor from passing from the first node to the bias terminal, and a resonance circuit that is connected between a reference potential and a second node provided between the bias terminal and the bias circuit, and minimizes an impedance between the second node and the reference potential at a resonance frequency.

Abstract: The dialog device according to the present invention includes a prediction unit 254 configured to predict an utterance length attribute of a user utterance in response to a the machine utterance, a selection unit 256 configured to use the utterance length attribute to select, as a feature model for usage in an end determination of the user utterance, at least one of an acoustic feature model or a lexical feature model, and an estimation unit 258 configured to estimate an end point in the user utterance using the selected model. By using this dialog device, it is possible to shorten the waiting time until a response is output to a user utterance by a machine, and to realize a more natural conversation between a user and a machine.

Abstract: An outphasing amplifier includes a first amplifier configured to amplify a first signal, a second amplifier configured to amplify a second signal of which a phase difference from the first signal changes, and a synthesizer that has a first transmission line through which a third signal output from the first amplifier passes, a second transmission line through which a fourth signal output from the second amplifier passes, a first coupling circuit that is separately provided from the first transmission line and is coupled to the first transmission line, a second coupling circuit that is separately provided from the second transmission line and coupled to the second transmission line, and a node that synthesizes the third signal having passed through the first transmission line and the fourth signal having passed through the second transmission line.

Abstract: A Doherty amplifier includes a divider configured to divide an input signal into two signals, a first amplifier configured to amplify one of the two signals and output the amplified signal to a first node, a second amplifier configured to amplify the other of the two signals and output the amplified signal to a second node, a balun including lumped parameter elements and configured to output a signal obtained by combining the signal output from the first amplifier with the signal output from the second amplifier to a third node, and a path configured to DC-connect the first node to the second node, with the third node therebetween.

Abstract: To ensure optimization of a voice output timing. A voice synthesis apparatus that performs voice synthesis based on a statistical acoustic model includes a processor that executes a program and a storage device that stores the program. The voice synthesis apparatus performs a selection process and a synthesis process. The selection process selects a synthesis method applied to an input voice among a plurality of synthesis methods in combination of sizes of the statistical acoustic models with voice synthesis processes based on the input voice. The synthesis process synthesizes the input voice by the synthesis method selected in the selection process.

Abstract: In order to assist participants in thinking of an idea by acquiring audio data, it is provided a workshop assistance system, which includes a computer having an arithmetic apparatus configured to execute predetermined processing, a storage device coupled to the arithmetic apparatus, and a communication interface coupled to the arithmetic apparatus, the computer being configured to access solved problem case data including information of solved cases that correspond to problem data, the workshop assistance system comprising: a problem processing module configured to search, by the arithmetic apparatus, solved cases based on problem data that is generated from a discussion among participants; and an idea generation module configured to present, by the arithmetic apparatus, idea data including the generated problem data and information of the solved case found in the search to the participants.

Abstract: The dialog device according to the present invention includes a prediction unit 254 configured to predict an utterance length attribute of a user utterance in response to a the machine utterance, a selection unit 256 configured to use the utterance length attribute to select, as a feature model for usage in an end determination of the user utterance, at least one of an acoustic feature model or a lexical feature model, and an estimation unit 258 configured to estimate an end point in the user utterance using the selected model. By using this dialog device, it is possible to shorten the waiting time until a response is output to a user utterance by a machine, and to realize a more natural conversation between a user and a machine.

Abstract: A GC/MS measurement under an ionization by an electron ionization method is performed for a target sample (S1). Peaks are detected on a chromatogram based on obtained data, and a mass spectrum corresponding to each peak is compared with a compound database to identify a compound (S2-S4). A compound identified with a low degree of similarity is extracted as the measurement compound. For this compound, a measurement window including the retention time of a peak corresponding to the compound is set, and a control program for performing an ionization by a chemical ionization method only within the measurement window is created (S5-S8).

Abstract: A control system includes: a moving object; and a control apparatus. The moving object is configured to: determine a face direction based on whether or not a face image of the human exists; and control the movement apparatus so that the moving object moves in accordance with path information. The control apparatus is configured to: detect a position of the human and the moving object in the area; calculate, based on the position of the human and the moving object, and the face direction, the path information for allowing the moving object to arrive at any one of a position within a predetermined range from the human and in a field of view of the human and a position within the predetermined range from the human and outside the field of view of the human; and transmit the path information to the moving object.