Aac Microtech (changzhou) Co, , Ltd.

Anker Innovations Technology Co. Ltd.

Huawei Technologies Co., Limited

Zte Corporation

Shenzhen Tcl Digital Technology Ltd.

Yu Qin

Min Chen

Feng Lu

Weiling Shi

Qingshan Yao

Haowen Yu

Shun Guo

Shougang Cheng

Xueyuan Zhu

Junjun Song

Jun Feng Shen

Lin Qian

Yajun Chen

Hancheng Ding

Chun Li

Wentao Li

Qinghui Meng

Zhikun Huo

Cong Tu

Yan Zheng

Yinhe Wang

Youxi Lin

An audio data processing method, an audio data processing apparatus, a terminal, and a computer-readable storage medium are disclosed. In the embodiments of the present invention, a multi-channel audio is processed into left and right channel audio, and the users can experience the effect of surround sound when listening to a target audio.

Audio data processing method and apparatus, terminal and computer-readable storage medium

A method for controlling a direct drive transmission system and related devices. The method includes: S: starting direct drive transmission system for overall zero returning; S: reading a zero signal of the first incremental position feedback means identified by a corresponding second incremental position feedback means; S: determining whether any actuator reads two zero signals; if yes, performing step S; otherwise, returning to step S; S: determining according to a distance between two zero signals fed back by the actuator that the corresponding mover has completed zero returning, and further completing zero returning of the direct drive transmission system; and S: acquiring, by the controller based on the direct drive transmission system after zero returning, position information of the movers, and driving the movers to move. Compared with the related art, the present disclosure has good position feedback effect, high positioning accuracy, and good drive control effect.

Method for controlling direct drive transmission system and related device

The present disclosure provides direct drive system, belongs to drive systems field. The direct drive system includes: base and slide spaced from the base, the base being provided with stator assembly, slide being provided with rotor assembly; rotor assembly including a first magnetic conductor and a plurality of magnets arranged on the first magnetic conductor; the stator assembly including second magnetic conductors and windings spaced on second magnetic conductors, windings being arranged opposite magnets, and magnetic field generated by windings covering magnets to generate electromagnetic thrust with magnet to drive the slide to move along sliding direction. Windings are spaced, and coils in each group of winding are cooperatively energized to drive rotor assembly with magnets to operate, which effectively reduce consumption of coils, reduce material costs, reduce heating quantity, reduce energy consumption of direct drive system, to improve operation efficiency of direct drive system.

Direct drive system

A direct-drive system, including a base provided with a guide rail and a stator assembly; and at least one slide spaced from the base and fixed to the base by means of the guide rail. A mover assembly arranged opposite to the stator assembly is fixed to the at least one slide, and the mover assembly interacts with the stator assembly to drive the at least one slide to slide on the guide rail. An orthographic projection of the guide rail onto the base along a sliding direction of the at least one slide falls at least partially at an outer side of the base. The guide rail structure is first contacted when the modules are spliced, so as to ensure smooth sliding of the direct-drive system and reduce the difficulty of assembly and maintenance of the system.

Direct-drive system

A multi-mover direct drive transmission system, including: stator unit formed by stator segments and includes frame and coil windings; mover units movable relative to the stator unit and each includes mover slidably connected to the stator unit and movable relative to the frame, and magnet fixed to the mover; and actuators. The magnet is arranged opposite to and spaced from the coil winding, and the coil winding drives the magnet to drive the mover. The frame includes feedback segments and transition segments. The stator unit further includes hall elements. The hall element outputs a hall signal according to a magnetic field variation detected. The actuator calculates an electrical angle and calculates a drive current, the coil winding drives the magnet to move to realize position correction. The multi-mover direct drive transmission system has a simple structure, a small number of components, and is simple and easy-to-implement the motion control method.

Multi-mover direct drive transmission system, related control method, computer device, and storage medium

A method and device of transparency processing of music. The method comprises: obtaining a characteristic of a music to be played; inputting the characteristic into a transparency probability neural network to obtain a transparency probability of the music to be played; determining a transparency enhancement parameter corresponding to the transparency probability, the transparency enhancement parameter is used to perform transparency adjustment on the music to be played. The present invention constructs a transparency probability neural network in advance based on deep learning and builds a mapping relationship between the transparency probability and the transparency enhancement parameters can be constructed, so that the music to be played can be automatically permeated.

Method and device for transparent processing of music

A deep learning method-based tonal balancing method, apparatus, and system, the method includes: extracting features from audio data to obtain audio data features, generating audio balancing results by using a trained audio balancing model based on the obtained audio data features. The present invention employs deep neural networks and unsupervised deep learning method to solve the problems of audio balancing of unlabeled music and music of unknown style. The present invention also combines user preferences statistics to achieve a more rational multi-style audio balancing design to meet individual needs.

Deep learning-based audio equalization

The present invention provides a deep learning based method and system for processing sound quality characteristics. The method comprises: obtaining data characteristics of an audio data to be processed by extracting features from user preference data including the audio data to be processed; based on the data characteristics, generating a sound quality processing result of the audio to be processed by using a trained baseline model; wherein the baseline model is a neural network model trained by using audio data behavioral data, and other relevant data from multiple users or a single user.

Deep learning based method and system for processing sound quality characteristics

Disclosed is a mobile terminal. The mobile terminal comprises an antenna body and a metal ring. The metal ring is provided on the mobile terminal without contacting the antenna body, and the vertical projection of the metal ring on a plane where the antenna body is located intersects the antenna body. By means of the disclosure, signal receiving performance of the mobile terminal is improved, and the loss caused by head and hand is reduced to a certain extent.

Mobile terminal

The present disclosure discloses an ultra-wideband antenna, including: a coplanar waveguide feeder connected to a Radio Frequency (RF) excitation port on the PCB substrate at one end and to a tapering supporting arm at the other end; the tapering supporting arm connected to the coplanar waveguide feeder at one end and to a primary radiating closed-band-shaped monopole at the other end; the primary radiating closed-band-shaped monopole connected to the tapering supporting arm; a primary coupling patch located in the area closed by the closed band of the primary radiating closed-band-shaped monopole; a secondary radiating closed-band-shaped monopole connected to the primary radiating closed-band-shaped monopole through a metallic via; and a secondary coupling patch located in the area closed by the closed band of the secondary radiating closed-band-shaped monopole. The present disclosure also discloses an ultra-wideband terminal. With the antenna and the terminal of the present disclosure, space usage is reduced, facilitating development of an ultrathin terminal and widening bandwidth, and thus allowing the terminal to operate in the range of an ultrawide band.

Ultra-wideband antenna and terminal

The present invention provides a multicast method and a multicast device. The method includes: receiving a multicast request from a user, where the multicast request includes multicast channel information and a user VLAN tag; selecting a first target multicast VLAN from pre-configured multiple multicast VLANs; after replacing the user VLAN tag in the multicast request with the first target multicast VLAN tag, forwarding the multicast request to a multicast router; receiving multicast traffic sent by the multicast router through the first target multicast VLAN, and forwarding the multicast traffic to the user. In the present invention, a target multicast VLAN is selected according to multicast channel information, so that multicast requests for the same multicast channel can be added to the same multicast VLAN. In this way, only one copy of multicast traffic of the same channel exists on a local area network, thereby saving network bandwidth resources.

Multicast method and multicast device

The present invention discloses a rendezvous point convergence method and apparatus and relates to the field of communications, to solve a problem that an entire network cannot work normally for a long time because a network device cannot send a candidate RP advertisement message to a bootstrap router BSR when the network device served as a rendezvous point RP is entirely faulty. In the present invention, when a route of an original working RP is unreachable, a first node receives a bootstrap message sent by a BSR, where Holdtime of the original working RP carried in the bootstrap message is 0; and the first node disables the original working RP and enables a candidate RP as a new working RP according to the bootstrap message. The present invention is applicable to the field of communications to implement rendezvous point convergence.

Rendezvous point convergence method and apparatus

The present invention provides a service access method, device, and system, and relates to the field of television services, to guarantee multicast security of a network device. The method includes: obtaining an authorized multicast address list according to program channel list information provided by a server; receiving an Internet Group Management Protocol IGMP packet request sent by a user terminal device, where the IGMP packet request carries a multicast address; verifying the multicast address in the IGMP packet request according to the multicast address list; and sending a media data stream corresponding to the verified multicast address to the user terminal device. The solutions of the present invention are suitable for realizing the security of multicast of network device.

Service access method, device, and system

The present invention discloses a GSM/CDMA dual-mode mobile phone and method of the same for inhibiting a GC mutual interference, wherein the mobile phone comprises a dual-port antenna connected respectively with a duplexer and a GSM RF circuit and configured to access the signals of the GSM and the CDMA; a RF switch provided in the CDMA RF receiving circuit, wherein the RF switch is controlled by a GSM baseband chip and configured to cut off a CDMA signal (i.e., cutting off a receiving path of the CDMA) transmitted/received by the dual-port antenna when a GSM operational frequency and a CDMA operational frequency belong to close frequency band during a transmitting timeslot of the GSM, to enhance the isolation between a GSM signal and a CDMA signal. The present invention inhibits interference of GSM transmission with the CDMA receiving in the circuit, achieves high isolation, and also simplifies design of the antennas, lowers requirements of the double antennas on the appearance and volume of the overall machine, and improves the flexibility in the design of the dual-mode mobile phone.

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Shenzhen, China

Yu Qin