Abstract: A microphone signal beamforming processing method and related products are provided. The method includes: obtaining a frequency domain signal of each of at least three microphones by performing time-frequency transforming on first output signals, and performing a plurality of different groups of beamforming preprocessing on the frequency domain signals; performing a plurality of different groups of cross-pattern analysis on the plurality of beam signals to obtain a plurality of positive weighting coefficients, multiplying the plurality of positive weighting coefficients to obtain a combined coefficient, and multiplying the combined coefficient with the frequency domain signal of any one of the at least three microphones to obtain a weighted spectral component; and performing inverse time-frequency transforming on the weighted spectral component.

Abstract: Provided is a hand emulator and an acoustic testing system. The hand emulator includes: a main support configured to support a device under test, the main support includes a palm, a thumb, an index finger, a middle finger, a ring finger and a little finger that are movably arranged at an end of the palm; a stopper including a plurality of limit pillars, at least some of the plurality of limit pillars are arranged on the palm, several limit pillars of the plurality of limit pillars enclose to form an accommodating space, and the device under test is limited within the accommodating space. The hand emulator can measure the frequency response of the speaker and/or the microphone of the device under test, emulate acoustic characteristics similar to the user's hand, and accurately and repetitively position the device under test, which improves existing measurement standards and creates new testing methods.

Abstract: Provided is a signal play method and device, and a storage medium. The method includes: detecting an acquired camera image and generating a detection result; generating a play signal according to an adjustment parameter and an acquired audio input signal, the adjustment parameter including the detection result; and playing according to the play signal, so that the computer device can automatically adjust the audio input signal to be played to generate a play signal, which improves the sound play effect and thus improving user experience.

Abstract: A microphone array and a portable device. The microphone array includes: a housing provided with microphones inside forming a first and a second microphone part; a first end surface provided with at least two first pickup holes communicated with the microphone of the first microphone part in one-to-one correspondence; and a second end surface provided with at least one second pickup hole communicated with the microphone of the second microphone part in one-to-one correspondence. The first end surface intersects the second end surface, and a preset angle is formed between the extension direction of the first end surface and that of the second end surface. The distance between at least two adjacent microphones is less than half of the wavelength of the response frequency for beamforming. The present disclosure achieves good spatial capture performance with the lowest practical number of microphones.

Abstract: Provided is a hand emulator and an acoustic testing system. The hand emulator includes: a main support configured to support a device under test, the main support includes a palm, a thumb, an index finger, a middle finger, a ring finger and a little finger that are movably arranged at an end of the palm; a stopper including a plurality of limit pillars, at least some of the plurality of limit pillars are arranged on the palm, several limit pillars of the plurality of limit pillars enclose to form an accommodating space, and the device under test is limited within the accommodating space. The hand emulator can measure the frequency response of the speaker and/or the microphone of the device under test, emulate acoustic characteristics similar to the user's hand, and accurately and repetitively position the device under test, which improves existing measurement standards and creates new testing methods.

Abstract: A microphone signal beamforming processing method and related products are provided. The method includes: obtaining a frequency domain signal of each of at least three microphones by performing time-frequency transforming on first output signals, and performing a plurality of different groups of beamforming preprocessing on the frequency domain signals; performing a plurality of different groups of cross-pattern analysis on the plurality of beam signals to obtain a plurality of positive weighting coefficients, multiplying the plurality of positive weighting coefficients to obtain a combined coefficient, and multiplying the combined coefficient with the frequency domain signal of any one of the at least three microphones to obtain a weighted spectral component; and performing inverse time-frequency transforming on the weighted spectral component.

Abstract: Disclosed is a loudspeaker and a terminal device. The loudspeaker includes: a loudspeaker body having a containing cavity; a transducer accommodated in the containing cavity separated by the transducer into a front and a rear cavity along the first direction, wherein a sound hole is provided on the loudspeaker body, and the sound hole is in communication with the front cavity; and a throat having a throat cavity, and a first and a second mouth arranged sequentially along the second direction. The first mouth corresponds to the sound hole, the throat cavity is in communication with the front cavity via the first mouth and the sound hole, and the throat cavity is in communication with the outside via the throat and the second mouth. The present disclosure can compress the space occupied by loudspeaker, which is suitable for a terminal device with certain internal space and a limited height.

Abstract: A loudspeaker assembly and a hand-held device are provided. The loudspeaker assembly includes at least one loudspeaker driver and at least two output ports. The at least one loudspeaker driver and the at least two output ports are configured so that the loudspeaker assembly has a directive polar pattern over a desired frequency range.

Abstract: Provided is a diaphragm and a speaker. The diaphragm includes: a diaphragm body having a mounting part at an edge thereof, within which a mounting space is formed, a projection of the mounting space completely falls on the diaphragm body. An anti-roll mechanism provided in the mounting space and includes anti-roll components connected to the mounting part. Each anti-roll component includes first and second movable parts, and the first movable part is closer to the mounting part than the second movable part. One end of the first movable part is pivotally connected to the mounting part, the other end of the first movable part is pivotally connected to the second movable part, and the second movable part is capable of moving back and forth. This structure prevents rolling motion of the diaphragm body, improves its stability and reliability, and avoids noise, thereby improving acoustic performance of the speaker.

Abstract: Provided is a loudspeaker applied to an electronic device, including: a speaker body configured for vibrating and producing sound; a first acoustic channel having a first end communicated with the speaker body and a second end forming a first sound output port on a case of the electronic device; and a second acoustic channel having a first end communicated with the speaker body and a second end forming a second sound output port on the case of the electronic device. The first and second sound output ports are located on adjacent wall surfaces of the case of the electronic device. Compared with the related art, larger port area can be achieved by separately forming sound output ports on adjacent walls of the housing, resulting in high frequency response and higher gain. The horn-shaped sound output port facilitates design and reduces flow-related distortion and noise at low frequencies.

Abstract: A sound reproducing apparatus is disclosed. The sound reproducing apparatus includes a signal processing unit, a first transducer, and a second transducer. The signal processing unit is configured to receive a sound signal and divide the sound signal into a first frequency component and a second frequency component. The first frequency component is at least partially different from the second frequency component, and the signal processing unit includes a delay unit configured to delay the second frequency band component. The first transducer is configured to convert the first frequency component from the signal processing unit into airborne sound. The second transducer is configured to convert the second frequency component from the delay unit into bone conduction sound.

Abstract: The invention provides a speaker module for a mobile terminal with a sound output port. The speaker module includes a speaker box. The speaker box includes a sound output opening for side surface sound. The speaker module also includes a horn barre. The horn barrel has openings arranged at both ends. A sectional area along the sound output direction of the horn barrel changes gradually. By designing a variable sectional surface with different areas or lengths and widths on the horn barrel for stakeout, the size of the variable sectional surface is directly related to the sound quality of each part of the horn barrel. The horn barrel widens the frequency band range. Compared with the related art, the present invention can realize multi-level resonance, has a small volume, is convenient to widen the frequency band range and has flexible avoidance space.

Abstract: The present invention provides a speaker module for a mobile terminal provided with a sound output port. The speaker module includes a speaker box. The speaker box includes a first sound output opening and a second sound output opening. A speaker module also includes a first horn barrel and a second horn barrel. The first horn barrel and the second horn barrel are arranged asymmetrically with respect to the speaker box. The speaker module in the present invention realizes the multi-order coupling of the resonance peak, which not only improves the high-frequency performance, but also widens the frequency band range, and at the same time, reduces the manufacturing cost.

Abstract: A loudspeaker is disclosed, including a driver diaphragm, an enclosure and an outlet. The driver diaphragm is configured to produce acoustic waves. The enclosure includes an upper wall disposed opposite to the driver diaphragm and having an inner surface facing to the driver diaphragm, and a side wall connecting the upper wall to the driver diaphragm. The outlet is defined at the upper wall or the side wall, and configured to output the acoustic waves. The driver diaphragm and the enclosure define a front volume chamber communicating with the outlet. The front volume chamber and the outlet form a front cavity. The inner surface has a protruding part located close to the outlet, a distance from a position at the protruding part to the driver diaphragm is smaller than that from a position at other parts of the inner surface to the driver diaphragm.

Abstract: A loudspeaker assembly and a hand-held device are provided. The loudspeaker assembly includes at least one loudspeaker driver and at least two output ports. The at least one loudspeaker driver and the at least two output ports are configured so that the loudspeaker assembly has a directive polar pattern over a desired frequency range.

Abstract: A sound reproducing apparatus is disclosed. The sound reproducing apparatus includes a signal processing unit, a first transducer, and a second transducer. The signal processing unit is configured to receive a sound signal and divide the sound signal into a first frequency component and a second frequency component. The first frequency component is at least partially different from the second frequency component, and the signal processing unit includes a delay unit configured to delay the second frequency band component. The first transducer is configured to convert the first frequency component from the signal processing unit into airborne sound. The second transducer is configured to convert the second frequency component from the delay unit into bone conduction sound.

Abstract: The invention provides a speaker module for a mobile terminal with a sound output port. The speaker module includes a speaker box. The speaker box includes a sound output opening for side surface sound. The speaker module also includes a horn barre. The horn barrel has openings arranged at both ends. A sectional area along the sound output direction of the horn barrel changes gradually. By designing a variable sectional surface with different areas or lengths and widths on the horn barrel for stakeout, the size of the variable sectional surface is directly related to the sound quality of each part of the horn barrel. The horn barrel widens the frequency band range. Compared with the related art, the present invention can realize multi-level resonance, has a small volume, is convenient to widen the frequency band range and has flexible avoidance space.

Abstract: The present invention provides a speaker module for a mobile terminal provided with a sound output port. The speaker module includes a speaker box. The speaker box includes a first sound output opening and a second sound output opening. A speaker module also includes a first horn barrel and a second horn barrel. The first horn barrel and the second horn barrel are arranged asymmetrically with respect to the speaker box. The speaker module in the present invention realizes the multi-order coupling of the resonance peak, which not only improves the high-frequency performance, but also widens the frequency band range, and at the same time, reduces the manufacturing cost.

Abstract: Provided is a method and system of sound processing for a mobile terminal based on hand-holding and orientation detection. The method includes: detecting whether the mobile terminal is held by hand; in response to determination of the mobile terminal being held by hand, detecting whether it is one-hand holding or two-hand holding; in response to determination of one-hand holding, detecting whether it is landscape holding or portrait holding, and conducting corresponding frequency response equalization and stereo processing control; and in response to determination of two-hand holding, determining whether the mobile terminal is in an interaction procedure, and conducting corresponding frequency response equalization and stereo processing control.

Abstract: Provided is a method and system of sound processing for a mobile terminal based on hand-holding and orientation detection. The method includes: detecting whether the mobile terminal is held by hand; in response to determination of the mobile terminal being held by hand, detecting whether it is one-hand holding or two-hand holding; in response to determination of one-hand holding, detecting whether it is landscape holding or portrait holding, and conducting corresponding frequency response equalization and stereo processing control; and in response to determination of two-hand holding, determining whether the mobile terminal is in an interaction procedure, and conducting corresponding frequency response equalization and stereo processing control.