Abstract: This application provides techniques for implementing interactions in games. The techniques comprise in response to detecting that a client device associated with a player enters a plot stage of a target game, capturing a current game picture at intervals of a preset duration; obtaining a screen recording video corresponding to the target game from a video platform; determining a plot video frame that is in the screen recording video and that matches the current game picture; obtaining target bullet-screen comment information corresponding to the plot video frame from the video platform; and synchronously displaying target bullet screens in the current game picture on the client device, wherein the target bullet screens correspond to the target bullet-screen comment information.

Abstract: A stereo encoding method and apparatus, and a stereo decoding method and apparatus are disclosed. The stereo encoding method includes: performing downmix processing on a left channel signal of a current frame and a right channel signal of the current frame, to obtain a primary channel signal of the current frame and a secondary channel signal of the current frame; and when determining that a frame structure similarity value falls within a frame structure similarity interval, performing differential encoding on a pitch period of the secondary channel signal by using an estimated pitch period value of the primary channel signal, to obtain a pitch period index value of the secondary channel signal, where the pitch period index value of the secondary channel signal is used to generate a to-be-sent stereo encoded bitstream.

Abstract: A method and an apparatus for paging in a wireless communication system are provided. The method includes determining, by a radio access network (RAN) node, information for paging, where the information for paging includes information for paging a User Equipment (UE) which is related to a synchronization signal block (SSB) beam; and paging, by the RAN node, the UE in an idle state or inactive state, based on the information for paging. The method can page a UE more accurately.

Abstract: This application relates to the field of electronic technologies, and provides a printed circuit board and a manufacturing method thereof, and an electronic device. The printed circuit board has target holes that penetrate through the printed circuit board, and an area that is not provided with the target holes has blocking structures (B) for blocking liquid flow, where the area is on at least one side that is of the printed circuit board and that is connected to the target holes.

Abstract: A signal processing method and device includes obtaining spectral coefficients of a current frame of an audio signal, in which N sub-bands of the current frame comprises at least one of the spectral coefficients. A total energy of M successive sub-bands of the N sub-bands, a total energy of K successive sub-bands of the N sub-bands, and an energy of a first sub-band are obtained to determine whether to modify original envelope values of the M sub-bands. When the original envelope values of the M sub-bands are modified, encoding bits are allocated to each of the N sub-bands according to the modified envelope values of the M sub-bands.

Abstract: The application provides a communication method, an apparatus, and a system that are used in a satellite network. A user terminal receives, on a management channel, a sounding signal sent by a management satellite. The management satellite manages one or more serving satellites. The user terminal sends a respiratory signal to the management satellite. The respiratory signal carries information about the user terminal. The information about the user terminal is used to determine information about a serving satellite that serves the user terminal. The management satellite or a ground station may uniformly schedule the serving satellite to serve the user terminal. When the serving satellite is switched, a negotiation between satellites may be omitted.

Abstract: A catheter system may include a catheter adapter and a catheter extending distally from the catheter adapter. The catheter system may include a needle assembly, which may include a plug, an outer housing, and an introducer needle. An outer surface of the plug may include multiple grooves, which may be in fluid communication with the introducer needle and configured to receive blood flashback. The grooves may include a first groove having a first surface-area-to-volume ratio, and a second groove having a second surface-area-to-volume ratio. The first surface-area-to-volume ratio may be less than the second surface-area-to-volume ratio. The first groove may have a greater volume than the second groove. The outer housing may seal a top of the first groove and a top of the second groove to prevent blood from flowing out the top of the first groove and the top of the second groove.

Abstract: An encoding method includes dividing a to-be-encoded time-domain signal into a low band signal and a high band signal, performing encoding on the low band signal to obtain a low frequency encoding parameter, performing encoding on the high band signal to obtain a high frequency encoding parameter, obtaining a synthesized high band signal, performing short-time post-filtering processing on the synthesized high band signal to obtain a short-time filtering signal, and calculating a high frequency gain based on the high band signal and the short-time filtering signal.

Abstract: This application discloses a downmixed signal calculation method and apparatus. The method includes: when a current frame or a previous frame of the current frame of a stereo signal is not a switching frame and a residual signal in the current frame or the previous frame does not need to be encoded, obtaining a second downmixed signal in the current frame and a downmix compensation factor of the current frame, correcting the second downmixed signal in the current frame based on the downmix compensation factor of the current frame, to obtain the first downmixed signal in the current frame and determining the first downmixed signal in the current frame as a downmixed signal in the current frame in a preset frequency band.

Abstract: This disclosure provides methods and apparatuses relating to device control right obtaining. One method is applied to a system including a first device and a second device. The first device detects that the second device approaches the first device, the first device sends a first key to the second device. After receiving the first key, the second device encrypts a control instruction by using the first key, where the control instruction is used to control the first device. The second device sends the encrypted control instruction to the first device, and the first device decrypts the encrypted control instruction to obtain the control instruction and executes the control instruction.

Abstract: The present invention provides a method and an apparatus for determining travel path bound, a vehicle, a storage medium and a terminal. The method includes: under a first coordinate system, according to contour point positions respectively corresponding to a vehicle and an obstacle in a path trajectory, determining a collision-anticipated overlap corner position; based on a trajectory normal of the vehicle and the overlap corner position, determining a contour corner overlap line and a decision corner reference line; if a first intersection position between the contour corner overlap line and the decision corner reference line is not located on the contour edge, based on the overlap corner position, the decision corner reference line and contour corner positions on the contour corner overlap line, determining a collision-avoiding distance of the vehicle; under a second coordinate system, based on the collision-avoiding distance, generating a travel path bound.

Abstract: M audio signals are obtained by processing an audio signal by M virtual speakers; M first HRTFs and M second HRTFs are obtained, where the M first HRTFs corresponding to a left ear position, and the M second HRTFs corresponding to a right ear position; high-band impulse responses of some of the M first HRTFs are modified to obtain modified first target HRTFs, and high-band impulse responses of some of the M second HRTFs are modified to obtain modified second target HRTFs; a first target audio signal corresponding to the left ear position is obtained based on the modified first target HRTFs and un-modified first HRTFs, and the M audio signals; and a second target audio signal corresponding to the right ear position is obtained based on the modified second HRTFs, un-modified second target HRTFs, and the M audio signals.

Abstract: In a stereo encoding method, a channel combination encoding solution of a current frame is first obtained, and then a quantized channel combination ratio factor of the current frame and an encoding index of the quantized channel combination ratio factor are obtained based on the obtained channel combination encoding solution, so that an obtained primary channel signal and secondary channel signal of the current frame meet a characteristic of the current frame.

Abstract: A method for obtaining a higher-order ambisonics (HOA) coefficient includes obtaining location information of a virtual speaker on a preset spherical surface, where the preset spherical surface includes M circles of longitude and N circles of latitude, and obtaining, based on the location information and a preset reference trigonometric function table, a trigonometric function value corresponding to the location information, where the reference trigonometric function table includes an elevation trigonometric function table and/or an azimuth trigonometric function table, and obtaining an HOA coefficient for the virtual speaker based on the trigonometric function value corresponding to the location information.

Abstract: The present invention provides compounds of Formula (I), pharmaceutical compositions comprising these compounds and methods of using these compounds for treating a metabolic disease or liver condition. The present invention relates generally to compounds and pharmaceutical compositions useful as 17?-HSD13 inhibitors. Specifically, the present invention relates to compounds useful as inhibitors of 17?-HSD13 and methods for their preparation and use.

Abstract: This application provides a method and an apparatus for determining a virtual speaker set. The method for determining a virtual speaker set includes: determining a target virtual speaker from F preset virtual speakers based on a to-be-processed audio signal, where each of the F virtual speakers corresponds to S virtual speakers, F is a positive integer, and S is a positive integer greater than 1; and obtaining, from a preset virtual speaker distribution table, respective position information of S virtual speakers corresponding to the target virtual speaker, where the virtual speaker distribution table includes position information of K virtual speakers, the position information includes an elevation angle index and an azimuth angle index, K is a positive integer greater than 1, F?K, and F×S?K. This application can improve audio signal playback effect.

Abstract: A display apparatus and a driving method therefor. The driving method includes: determining a gaze area and a non-gaze area of a user on a display apparatus in real time; and driving the gaze area for image displaying at a first resolution, and driving the non-gaze area for image displaying at a second resolution, wherein the first resolution is higher than the second resolution. By means of the display apparatus, image resolution can be adjusted according to different areas, so as to realize high-resolution image display in a display area at which a user gazes and realize low-resolution image display in other areas, thereby reducing power consumption and achieving reasonable allocation of resources on the premise of ensuring the user experience.

Abstract: Fluid flow devices including a fluid passage for regulating movement of a fluid therethrough, including flow restriction devices having first and second passages that can regulate a fluid flow in a first direction through the device and can regulate a fluid flow in a second direction through the device, and fluid flow restriction devices that can include a first connector having an internal surface defining an inner lumen, a second connector coupled to an end of the first connector, a cannula mounted in the inner lumen extending into the second connector, a lumen of the cannula may define a first flowpath along which a fluid flows into a fluid collection device, and an annulus may be defined between an outer surface of the cannula and the internal surface of the first connector, the annulus may define a second flowpath along which a fluid flows into a catheter assembly.