Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into a neural-network pipeline, the neural-network pipeline including a convolutional network that receives the audio signal and provides a first output of the convolutional network to an enhancer, the enhancer including a deep complex convolutional recurrent network that receives the first output along with a mel spectrogram of the audio signal and outputs a second output to at least one of a vocoder and a decoder, and control an output of an enhanced audio signal from the at least one of the vocoder and the decoder.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio input, implement, by semantic voice activity detection (VAD) of a dialog manager (DM) trained as a first large language model (LLM), any of a user state detection and a user intention analysis, determine, by the DM and depending on a result of any of the user state detection and the user intention analysis, whether to activate at least part of a core dialog engine (CDE) to process the audio input, and control, by the CDE in response to being activated by the DM, output of a response to any of the query spoken by the user and the other verbal input as a result of the DM determining that the any of the query spoken by the user and the other verbal input requires response from the SDS.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into a neural-network based AHS model, train the neural-network based AHS model based on input signals which are recursively generated from the audio signal during training of the AHS model, and output an AHS signal from the neural-network based AHS model in which AHS is applied to the audio signal, wherein the AHS signal is a version of the audio signal in which acoustic howling noise of the audio signal is suppressed and target audio of the audio signal is sustained.

Abstract: Method, apparatus, and non-transitory storage medium for training a deep neural-network model jointly for acoustic echo suppression and acoustic howling suppression are provided. The method may include generating a teacher speech signal for training the deep neural-network model based on a input speech from a speech system and at least one reference signal. The deep neural-network model is trained jointly for both acoustic echo suppression and acoustic howling suppression by using the teacher speech signal and a correlation loss. During training of the deep neural-network model, the training task formulates a recurrent feedback suppression process as an instantaneous speech separation task using the teacher-forced training strategy.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into frequency-domain Kalman filter (FDKF), input the audio signal and an output from the FDKF into a neural network, estimate, based on the audio signal and the output from the FDKF, and removing feedback signals from the audio signal by the neural network, recover, by a codec receiving an output from the neural network, vocal quality of a target vocal signal, and output a version of the audio signal in which the target vocal signal is enhanced by removal of the feedback signals from the audio signal by the neural network and by recovery of the vocal quality by the codec.

Abstract: A method performed by at least one processor includes receiving an output microphone signal generated by a non-directional microphone, the output signal comprising a user voice signal and mixture signal comprising an audio playback signal and a voice reference signal of the user voice, the mixture signal output from a loudspeaker; inputting the output microphone signal and the voice reference signal into a first Kalman filter to generate a first filtered signal; inputting the output signal and the audio playback signal into a second Kalman filter to generate a second filtered signal; estimating the user voice signal by subtracting the first filtered signal and the second filtered signal from the output microphone signal to generate a voice estimation signal of the user voice; and outputting, via the loudspeaker, the voice estimation signal.

Abstract: Embodiments of this application provide an electronic device. The electronic device includes a first antenna and a second antenna. The first antenna uses conductive parts of a side frame of a first housing as a first radiator and a parasitic stub. The second antenna uses a conductive part of a side frame of a second housing as a second radiator, and the second radiator and the parasitic stub are adjacently disposed. The electronic device may be a foldable electronic device.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive multiple audio signals obtained from ones of a plurality of microphones of a microphone array, implement an audio zooming based on the audio signals by selectively focusing and enhancing first ones of the audio signals and by attenuating other ones of the audio signals, and control an output of audio based on the audio zooming, and the audio zooming includes a consolidating of a plurality of directional features of the first ones of the audio signals within a field around the microphone array and a countering based on determining directional aspects of the other ones of the audio signals from outside of the field.

Abstract: An antenna multiplexing system includes N radio frequency front-ends, N impedance matching networks, a channel selection switch, and an antenna. Operating frequency bands of the N radio frequency front-ends are different, each radio frequency front-end is connected to one end of the channel selection switch through one impedance matching network, and another end of the channel selection switch is connected to the antenna, where N is an integer greater than or equal to 2.

Abstract: A mobile terminal includes a satellite antenna system that includes a satellite communication chip and at least two antennas. The at least two antennas include a first antenna and a second antenna configured to receive a radio frequency signal of a communication satellite. The first antenna and the second antenna are separately connected to the satellite communication chip, and at least a part of a first radiator of the first antenna and at least a part of a second radiator of the second antenna are located on different sides of the mobile terminal. An area of weak angle-dependent receiving sensitivity of the first antenna at least partially overlaps an area of strong angle-dependent receiving sensitivity of the second antenna.

Abstract: Example foldable electronic devices are provided. An example foldable electronic device includes an antenna apparatus including a first radiator, a second radiator, a first feeding circuit, a second feeding circuit, and a first tuning circuit. A length of the second radiator between a third open end and a second open end is greater than a length of the first radiator between a ground end and a first open end. When the electronic device is in a folded state, projections of the first open end and the second open end at least partially overlap, and a projection of the ground end is located between a first ground point and the second open end. The first tuning circuit is configured to adjust a second operating frequency band to be the same as or adjacent to a first operating frequency band.

Abstract: A self-regulating heating cable and production methods are provided. The self-regulating heating cable includes a conductive bus-frame and a ceramic positive temperature coefficient (PTC) chip. The conductive bus-frame includes a first frame element with a first stem and a first chip tab integral with and extending outward from the first stem, and a second frame element parallel to the first frame element and including a second stem and a second chip tab integral with and extending outward from the second stem. The PTC chip is disposed between and retained by the first chip tab and the second chip tab to create an electrical pathway from the first frame element through the first chip tab, the PTC chip, and the second chip tab to the second frame element.

Abstract: A method includes receiving a mixture signal comprising at least a first speaker, a second speaker, and background noise, the first speaker having a first distance to a microphone that outputs the mixture signal, the second speaker having a second distance to the microphone; training one or more neural networks to output a target channel and an interference channel by: inputting, into the one or more neural networks, the mixture signal and a task ID associated with one of the first speaker and the second speaker as a target speaker; determining a loss function based on the first distance and the second distance; and updating the neural network based on the loss function.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into a neural-network pipeline, the neural-network pipeline including a convolutional network that receives the audio signal and provides a first output of the convolutional network to an enhancer, the enhancer including a deep complex convolutional recurrent network that receives the first output along with a mel spectrogram of the audio signal and outputs a second output to at least one of a vocoder and a decoder, and control an output of an enhanced audio signal from the at least one of the vocoder and the decoder.

Abstract: An electronic device includes a first conductive side frame, an antenna and a first feed element. The first conductive side frame comprises a first side frame between a first position and a second position, and a second side frame between the second position and a third position. The second position is provided with a first slot. The antenna comprises a radiator having the first side frame grounded at the first position, and the second side frame grounded at the third position. The first side frame comprises a first feed point, and an operating frequency band of the antenna comprises a first frequency band and a second frequency band higher than the first frequency band. The first feed element comprises a first radio frequency channel corresponding to the first frequency band, and a second radio frequency channel corresponding to the second frequency band, that are coupled to the first side frame.

Abstract: A terminal device includes an antenna system. At least a part of a first radiator in a first antenna in the antenna system is distributed on a first side edge of a first body. At least a part of a second radiator in a second antenna in the antenna system is located on a third side edge of the first body. An inductive structure in the first antenna is connected between a first stub of the first radiator and a ground plane. The first stub and a second stub of the first radiator are coupled via a capacitive structure.

Abstract: The present disclosure relates to the field of nucleic acids, in particular, to compounds, compositions and methods for reducing MAPT (Tau) expression. The nucleic acids of the present disclosure can effectively reduce MAPT (Tau) levels, and they can inhibit MAPT gene expression in cells and animals through the RNA interference mechanism. Meanwhile, compared with other technologies such as antibody therapy, antisense technology and small molecules, RNAi agents can also achieve a lower administration frequency.

Abstract: An electronic device including an antenna structure is provided. A side frame between a first position and a second position of the electronic device is configured as a first radiator of the antenna structure. A side frame between the second position and a third position of the electronic device is configured as a second radiator of the antenna structure. A first slot is provided at the second position of the side frame. A second slot is formed between the second radiator and a ground. The first radiator extends in a first direction, and is spaced from the third radiator in a second direction. Projections of the third radiator and the first radiator in the second direction at least partially overlap. A first feed point is disposed on the third radiator or the first radiator, and the first feed point is configured to feed the antenna structure.

Abstract: An electronic device and an antenna switching method provide a first antenna, a second antenna, and a controller. When the electronic device is in different communication states, the controller may set some radiators as parasitic branches based on the respective different communication states.

Abstract: A method includes receiving an input audio waveform; inputting the input audio waveform into a variational autoencoder (VAE) to generate a latent representation of the input audio waveform; generating a modified latent representation of the input audio waveform by inputting the latent representation of the input audio waveform and a text prompt into a latent diffusion model; and generating a modified audio waveform by inputting the modified latent representation of the input audio waveform into a VAE decoder.