CN220673925U - Pronunciation module, pronunciation system and terminal equipment - Google Patents

Abstract

The present disclosure proposes a pronunciation module, pronunciation system and terminal equipment, the pronunciation module includes: the audio signal is fed into the input end of the frequency dividing unit, the frequency dividing unit is used for decomposing the audio signal into at least a high-frequency signal and a low-frequency signal, the first output end of the frequency dividing unit is used for outputting the high-frequency signal, and the second output end of the frequency dividing unit is used for outputting the low-frequency signal; the input end of the tweeter is connected with the first output end of the frequency dividing unit; the input end of the woofer is connected with the second output end of the frequency dividing unit. In the pronunciation module, the pronunciation system and the terminal equipment, the low-frequency signal is not influenced by the superposition of the amplitude of the high-frequency signal and can be lifted to the full amplitude, so that the low-frequency loudness of the pronunciation module is effectively improved while the miniaturized design of the pronunciation module is realized.

Description

Pronunciation module, pronunciation system and terminal equipment

Technical Field

The disclosure relates to the technical field of pronunciation modules, and in particular relates to a pronunciation module, a pronunciation system and terminal equipment.

Background

Along with the rapid development of terminal equipment, the performance requirement on the sounding module is higher and higher, wherein the improvement of the low-frequency loudness of the sounding module and the reduction of the size of the sounding module are key for improving the performance of the sounding module, but the low-frequency loudness of the sounding module and the size of the sounding module are positively correlated, so that the sounding module is difficult to effectively improve the low-frequency loudness in a smaller size, and the performance of the sounding module is further influenced.

Disclosure of Invention

The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.

To this end, an object of the present disclosure is to provide a pronunciation module, a pronunciation system and a terminal device.

To achieve the above object, a first aspect of the present disclosure provides a sound module, including: the audio signal is fed into the input end of the frequency dividing unit, the frequency dividing unit is used for dividing the audio signal into at least a high-frequency signal and a low-frequency signal, the first output end of the frequency dividing unit is used for outputting the high-frequency signal, and the second output end of the frequency dividing unit is used for outputting the low-frequency signal; the input end of the tweeter is connected with the first output end of the frequency dividing unit; and the input end of the woofer is connected with the second output end of the frequency dividing unit.

Optionally, the pronunciation module further includes: the low-frequency enhancement unit is connected in series between the input end of the woofer and the second output end of the frequency division unit, the input end of the low-frequency enhancement unit is connected with the second output end of the frequency division unit, and the output end of the low-frequency enhancement unit is connected with the input end of the woofer.

Optionally, the pronunciation module further includes: the low-frequency enhancement unit comprises a low-frequency enhancement unit, a first power amplification unit, a second power amplification unit and a second power amplification unit, wherein the first power amplification unit is connected in series between the output end of the low-frequency enhancement unit and the input end of the low-frequency speaker, the input end of the first power amplification unit is connected with the output end of the low-frequency enhancement unit, and the output end of the first power amplification unit is connected with the input end of the low-frequency speaker.

Optionally, the pronunciation module further includes: the second power amplifying unit is connected in series between the input end of the tweeter and the first output end of the frequency dividing unit, the input end of the second power amplifying unit is connected with the first output end of the frequency dividing unit, and the output end of the second power amplifying unit is connected with the input end of the tweeter.

Optionally, the pronunciation module further includes: and the input end of the sound effect processing unit is connected with the audio signal, and the output end of the sound effect processing unit is connected with the input end of the frequency dividing unit.

Optionally, the tweeter includes: the input ends of the sub-tweeters are respectively connected with the first output ends of the frequency dividing units; and/or the woofer comprises: and the input ends of the sub-woofers are respectively connected with the second output ends of the frequency dividing units.

Optionally, the pronunciation module further includes: the first cover plate is arranged on the inner side of the rear shell, the woofer is arranged on one side, far away from the rear shell, of the first cover plate, and the sound producing side of the woofer is positioned on one side, close to the rear shell, of the woofer; the hollowed-out groove penetrates through the first cover plate along the direction from the sound emitting side of the woofer to the rear shell, so that a first cavity is formed between the sound emitting side of the woofer and the inner side of the rear shell, and the first cavity is communicated with the outer part of the rear shell.

Optionally, the pronunciation module further includes: the first channel penetrates through the first cover plate, the first end of the first channel is communicated with the first cavity, and the second end of the first channel is communicated with the outside of the rear shell.

Optionally, the pronunciation module further includes: and the second channel penetrates through the rear shell, the first end of the second channel is communicated with the second end of the first channel, and the second end of the second channel is communicated with the outside of the rear shell.

Optionally, the pronunciation module further includes: the sealing gasket is arranged between the first cover plate and the rear shell, and the sealing gasket is arranged along the circumference of the hollowed-out groove.

Optionally, the pronunciation module further includes: the second cover plate is arranged on one side, far away from the rear shell, of the first cover plate, and a second cavity is formed between one side, close to the rear shell, of the second cover plate and one side, far away from the sound producing side, of the woofer.

Optionally, the tweeter is disposed between the first cover plate and the second cover plate, and a third cavity is formed between the sound emitting side of the tweeter and one side of the first cover plate away from the rear shell, the third cavity is communicated with the outside of the rear shell, and a fourth cavity is formed between one side of the tweeter away from the sound emitting side and one side of the second cover plate close to the rear shell.

A second aspect of the present disclosure provides a pronunciation system comprising: a plurality of pronunciation modules as provided in the first aspect of the present disclosure.

Optionally, the plurality of pronunciation modules are symmetrically distributed along a first axis and a second axis, wherein the first axis and the second axis are perpendicular.

Optionally, the pitch of the tweeter adjacent to the sound emitting module is larger than the pitch of the woofer.

Optionally, the plurality of pronunciation modules include: the device comprises a first pronunciation module, a second pronunciation module, a third pronunciation module and a fourth pronunciation module; the first sounding modules and the second sounding modules are symmetrically distributed along the first axis, the third sounding modules and the fourth sounding modules are symmetrically distributed along the first axis, the first sounding modules and the third sounding modules are symmetrically distributed along the second axis, and the second sounding modules and the fourth sounding modules are symmetrically distributed along the second axis.

Optionally, the distance between the first sound emitting module and the second sound emitting module is smaller than the distance between the first sound emitting module and the third sound emitting module; the high pitch sensor of first pronunciation module sets up the low pitch sensor of first pronunciation module is kept away from one side of second pronunciation module, the high pitch sensor of second pronunciation module sets up the low pitch sensor of second pronunciation module is kept away from one side of first pronunciation module, the high pitch sensor of third pronunciation module sets up the low pitch sensor of third pronunciation module is kept away from one side of fourth pronunciation module, the high pitch sensor of fourth pronunciation module sets up the low pitch sensor of fourth pronunciation module is kept away from one side of third pronunciation module.

Optionally, the pronunciation system further includes: the sound channel distribution unit is used for distributing a plurality of audio signals to a plurality of sound emitting modules respectively.

Optionally, the pronunciation system further includes: the output end of the position detection unit is connected with the second input end of the sound channel distribution unit, and the position detection unit is used for detecting the relative positions of the sound emitting modules; the sound channel distribution unit is used for distributing a plurality of audio signals to the plurality of sounding modules respectively according to the relative positions of the plurality of sounding modules.

A third aspect of the present disclosure provides a terminal device, including: a pronunciation module as provided in the first aspect of the present disclosure, or a pronunciation system as provided in the second aspect of the present disclosure.

Optionally, the terminal device further includes: a top and a bottom, and first and second opposite sides between the top and the bottom; the high-pitch loudspeaker and the low-pitch loudspeaker in the first sound emitting module of the sound emitting system are arranged at one end of the top close to the first side edge, the high-pitch loudspeaker and the low-pitch loudspeaker in the second sound emitting module of the sound emitting system are arranged at one end of the top close to the second side edge, the high-pitch loudspeaker and the low-pitch loudspeaker in the third sound emitting module of the sound emitting system are arranged at one end of the bottom close to the first side edge, and the high-pitch loudspeaker and the low-pitch loudspeaker in the fourth sound emitting module of the sound emitting system are arranged at one end of the bottom close to the second side edge.

Optionally, the terminal device further includes: and the long sides of the tweeter and/or the woofer of the pronunciation module in the pronunciation system are close to the frame.

The technical scheme provided by the disclosure can comprise the following beneficial effects:

because the low-frequency signal in the audio signal is separated from the high-frequency signal by the frequency division unit and independently sounded by the bass loudspeaker, the low-frequency signal can be lifted to the full amplitude without being influenced by the amplitude superposition of the high-frequency signal, thereby effectively improving the low-frequency loudness of the sounding module while realizing the miniaturized design of the sounding module, further improving the performance of the sounding module and meeting the use requirement.

Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a sound chart of a sound module according to a related embodiment;

FIG. 2 is a schematic circuit diagram of a sound module according to an embodiment of the disclosure;

FIG. 3 is a sound chart of a sound module according to an embodiment of the present disclosure;

FIG. 4 is a schematic circuit diagram of a sound module according to an embodiment of the disclosure;

FIG. 5 is a schematic diagram of a sound module according to an embodiment of the disclosure;

FIG. 6 is a schematic diagram of a sound module according to an embodiment of the disclosure;

FIG. 7 is a schematic circuit diagram of a sound producing system according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure;

FIG. 9 is a sound chart of a sonification system according to an embodiment of the present disclosure;

as shown in the figure: 1. a pronunciation module;

101. the device comprises a frequency division unit, 102, a tweeter, 103, a woofer, 104, a low-frequency enhancement unit, 105, a first power amplification unit, 106, a second power amplification unit, 107, an audio processing unit, 108, a first cover plate, 109, a hollowed-out groove, 110, a first cavity, 111, a first channel, 112, a second channel, 113, a sealing gasket, 114, a second cover plate, 115, a second cavity, 116, a third cavity, 117, a fourth cavity, 118 and a rear shell;

2. the sound channel distribution device comprises a first sound emitting module, a second sound emitting module, a third sound emitting module, a fourth sound emitting module, a sound channel distribution unit, a position detection unit, a first axis, a second axis, a first side, a second side, a frame and a first side, wherein the first sound emitting module, the second sound emitting module, the third sound emitting module, the fourth sound emitting module, the sound channel distribution unit, the position detection unit, the first axis, the second axis, the first side, the top, the second side, the first side, the second side, the frame and the frame.

Detailed Description

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present disclosure and are not to be construed as limiting the present disclosure. On the contrary, the embodiments of the disclosure include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.

In a related embodiment, the sound generating module includes a full-frequency speaker, an input end of the full-frequency speaker is fed with an audio signal, and the audio signal enters the full-frequency speaker to make the full-frequency speaker generate sound, wherein the audio signal is mostly a full-frequency signal, that is, the audio signal includes a high-frequency signal and a low-frequency signal which are overlapped.

Because the low frequency loudness of the sounding module is positively correlated with the size of the sounding module, the low frequency loudness of the sounding module can be improved by increasing the size of the sounding module, but the larger size is difficult to meet the miniaturization requirement, so that the low frequency loudness of the sounding module needs to be improved under the smaller size of the sounding module.

However, since the high-frequency signal is superimposed on the low-frequency signal, the whole amplitude of the audio signal is larger and is close to the maximum limiting amplitude, the low-frequency signal cannot be lifted to the full amplitude due to the limitation of the maximum limiting amplitude when the amplitude is lifted, and the low-frequency loudness is difficult to be lifted, if the amplitude of the low-frequency signal is lifted to the full amplitude forcibly, the clipping of the audio signal is caused, and the tone quality of the sounding module is seriously reduced.

As shown in fig. 1, the abscissa of fig. 1 is time, the ordinate is amplitude of an audio signal, the audio signal is white noise with near full amplitude, as can be seen from fig. 1, a head space (Headroom) of an audio signal waveform including a high-frequency signal and a low-frequency signal is near 0dB, and a space where the amplitude of the low-frequency signal can be raised is very small.

Meanwhile, the high-frequency signal is easier to cause the heating of the device relative to the low-frequency signal, and the degradation of the audio signal is needed when the temperature of the device is too high, but the high-frequency signal causes the heating of the device to limit the reproduction of the low-frequency signal due to the fact that the audio signal comprises the superimposed high-frequency signal and the low-frequency signal, so that the low-frequency loudness is seriously influenced.

In order to solve the above technical problems, as shown in fig. 2, the embodiment of the disclosure provides a pronunciation module 1, which includes a frequency dividing unit 101, a tweeter 102 and a woofer 103, wherein an input end of the frequency dividing unit 101 is fed with an audio signal, the frequency dividing unit 101 is used for at least dividing the audio signal into a high-frequency signal and a low-frequency signal, a first output end of the frequency dividing unit 101 is used for outputting the high-frequency signal, a second output end of the frequency dividing unit 101 is used for outputting the low-frequency signal, an input end of the tweeter 102 is connected with the first output end of the frequency dividing unit 101, and an input end of the woofer 103 is connected with the second output end of the frequency dividing unit 101.

It can be understood that the audio signal is decomposed by the crossover unit 101 to form a high-frequency signal and a low-frequency signal, and the high-frequency signal enters the tweeter 102 to make the tweeter 102 emit high-frequency sound, and the low-frequency signal enters the woofer 103 to make the woofer 103 emit low-frequency sound, so that the tweeter 102 and the woofer 103 are utilized to realize the sounding of the sounding module 1, and thus the use requirement is satisfied.

Wherein, because the low frequency signal in the audio signal is separated from the high frequency signal by the frequency division unit 101 and is independently sounded by the woofer 103, the low frequency signal is not affected by the superposition of the amplitude of the high frequency signal and can be lifted to the full amplitude, thereby realizing the miniaturized design of the sounding module 1 and effectively improving the low frequency loudness of the sounding module 1, further improving the performance of the sounding module 1 and meeting the use requirement.

Meanwhile, as the low-frequency signal and the high-frequency signal in the audio signal respectively sound through the woofer 103 and the tweeter 102, the high-frequency signal is only limited when the device heats, and the low-frequency signal is not limited, so that the stable low-frequency loudness of the sounding module 1 is ensured, and the performance of the sounding module 1 is further improved.

It should be noted that, since the sounding module 1 realizes the enhancement of the low-frequency loudness by separating the high-frequency signal from the low-frequency signal, the sounding module 1 of the present embodiment has a higher low-frequency loudness in the same size, and the sounding module 1 of the present embodiment has a smaller size in the same low-frequency loudness.

The amplitude of the audio signal refers to the amplitude of the sound wave, the amplitude of the high-frequency signal is larger, the loudness is also larger, the amplitude of the low-frequency signal is smaller, and the loudness is also smaller, as shown in fig. 3, the abscissa of fig. 3 is time, the ordinate is the amplitude of the low-frequency signal, the low-frequency signal is decomposed from white noise close to full amplitude, as can be seen in fig. 3, the head space of the waveform of the low-frequency signal is close to 4.3dB, and the space which can be promoted by the amplitude of the low-frequency signal is larger.

The frequency dividing unit 101 is used for dividing the high frequency signal and the low frequency signal from the audio signal, the specific type of the frequency dividing unit 101 may be set according to actual needs, and the frequency dividing unit 101 may be a chip for frequency division in a digital signal processor (Digital Signal Processor, DSP) by way of example.

The dividing frequency between the high frequency signal and the low frequency signal in the frequency dividing unit 101 may be set according to actual needs, which is not limited thereto, and the dividing frequency between the high frequency signal and the low frequency signal may be 4 khz, for example.

In addition, the frequency dividing unit 101 may decompose the high-frequency signal, the intermediate-frequency signal, the low-frequency signal, and the like from the audio signal to further refine the sounding of the signals in each frequency band, which is not limited.

The tweeter 102 is used to emit high-frequency sound according to the high-frequency signal of the input terminal, and the specific type of the tweeter 102 may be set according to actual needs, which is not limited.

The woofer 103 is used for emitting low-frequency sound according to the low-frequency signal of the input terminal, and the specific type of the woofer 103 may be set according to actual needs, which is not limited.

As shown in fig. 4, in some embodiments, the pronunciation module 1 further includes a low frequency enhancement unit 104, the low frequency enhancement unit 104 is connected in series between the input terminal of the woofer 103 and the second output terminal of the frequency division unit 101, and the input terminal of the low frequency enhancement unit 104 is connected to the second output terminal of the frequency division unit 101, and the output terminal of the low frequency enhancement unit 104 is connected to the input terminal of the woofer 103.

It can be understood that the audio signal is decomposed by the frequency dividing unit 101 to form a high-frequency signal and a low-frequency signal, and the low-frequency signal is enhanced by the low-frequency enhancing unit 104 and then enters the woofer 103, so that the woofer 103 emits a low-frequency sound, thereby realizing the low-frequency sound production of the sound producing module 1 and further meeting the use requirement.

The low-frequency signal is subjected to signal enhancement by the low-frequency enhancement unit 104, so that the amplitude of the low-frequency signal is effectively improved, and the low-frequency loudness of the sounding module 1 is further improved, thereby ensuring the higher performance of the sounding module 1 and meeting the use requirement.

It should be noted that, the low frequency enhancing unit 104 is configured to enhance the amplitude of the low frequency signal, and the specific type of the low frequency enhancing unit 104 may be set according to actual needs, which is not limited to this, and the low frequency enhancing unit 104 may be a chip for low frequency enhancement in the digital signal processor. Among these, the low frequency enhancement processing methods may be a common Gain processing, DRC (Dynamic Range Compression, dynamic range control) processing, and some customized dynamic low frequency enhancement processing methods.

The boost amplitude of the low frequency signal by the low frequency boost unit 104 may be set according to actual needs, which is not limited herein, and the low frequency boost unit 104 may boost the low frequency signal to a full amplitude.

As shown in fig. 4, in some embodiments, the pronunciation module 1 further includes a first power amplification unit 105, where the first power amplification unit 105 is connected in series between the output end of the low frequency enhancement unit 104 and the input end of the woofer 103, and the input end of the first power amplification unit 105 is connected to the output end of the low frequency enhancement unit 104, and the output end of the first power amplification unit 105 is connected to the input end of the woofer 103.

It can be understood that the audio signal is decomposed by the frequency dividing unit 101 to form a high-frequency signal and a low-frequency signal, and the low-frequency signal is amplified by the low-frequency amplifying unit 104 and amplified by the first power amplifying unit 105 and then enters the woofer 103, so that the woofer 103 emits a low-frequency sound, thereby realizing the low-frequency sound production of the sound producing module 1 and further meeting the use requirement.

Wherein the first power amplifying unit 105 can not only enhance the amplitude of the low frequency signal, but also convert the low frequency signal into a direct current that can be used by the woofer 103, thereby ensuring a stable low frequency sound production of the woofer 103.

It should be noted that the specific type of the first Power amplifying unit 105 may be set according to actual needs, which is not limited to this, and the first Power amplifying unit 105 may be a Power Amplifier (PA) for Power amplification in a digital signal processor.

As shown in fig. 4, in some embodiments, the pronunciation module 1 further includes a second power amplification unit 106, where the second power amplification unit 106 is connected in series between the input end of the tweeter 102 and the first output end of the frequency division unit 101, and the input end of the second power amplification unit 106 is connected to the first output end of the frequency division unit 101, and the output end of the second power amplification unit 106 is connected to the input end of the tweeter 102.

It can be understood that the audio signal is decomposed by the frequency dividing unit 101 to form a high-frequency signal and a low-frequency signal, and the high-frequency signal is amplified by the second power amplifying unit 106 and then enters the tweeter 102, so that the tweeter 102 emits high-frequency sound, thereby realizing high-frequency sound production of the sound producing module 1 and further meeting the use requirement.

Wherein the second power amplifying unit 106 can not only enhance the amplitude of the high frequency signal, but also convert the high frequency signal into a direct current that can be used by the tweeter 102, thereby ensuring a stable high frequency sound production of the tweeter 102.

It should be noted that the specific type of the second power amplifying unit 106 may be set according to actual needs, which is not limited to this, and the second power amplifying unit 106 may be a power amplifier for power amplification in a digital signal processor.

As shown in fig. 4, in some embodiments, the pronunciation module 1 further includes an audio processing unit 107, where an input end of the audio processing unit 107 is connected to an output end of the audio processing unit 107 and an input end of the frequency dividing unit 101.

It can be understood that the audio signal is processed by the sound effect processing unit 107 and then enters the frequency dividing unit 101, so that the audio signal is decomposed into a high-frequency signal and a low-frequency signal by the frequency dividing unit 101, and the high-frequency signal enters the tweeter 102, so that the tweeter 102 emits high-frequency sound, and the low-frequency signal enters the woofer 103, so that the woofer 103 emits low-frequency sound, thereby realizing the sounding of the sounding module 1 by the tweeter 102 and the woofer 103, and further meeting the use requirement.

The audio processing unit 107 can amplify, filter, encode and decode the audio signal, thereby ensuring that the crossover unit 101 can decompose the audio signal into a high frequency signal and a low frequency signal, and simultaneously ensuring stable sound production of the tweeter 102 and the woofer 103.

It should be noted that, the specific type of the sound effect processing unit 107 may be set according to actual needs, which is not limited to this, and the sound effect processing unit 107 may be a chip for sound effect processing in the digital signal processor. The processing method of the sound effect may be a common EQ (Equalizer) process, gain process, DRC process, etc.

The specific mounting manner of the tweeter 102 and the woofer 103 may be set according to actual needs, and is not limited thereto. Among them, the frequency dividing unit 101, the low frequency amplifying unit 104, the first power amplifying unit 105, the second power amplifying unit 106, the sound effect processing unit 107, and the like may be integrated on a circuit board.

In some embodiments, the tweeter includes a plurality of sub-tweeters, the inputs of the plurality of sub-tweeters being respectively connected to the first output of the crossover unit; and/or the woofer comprises a plurality of sub-woofers, the inputs of which are respectively connected with the second output of the crossover unit.

It can be understood that when the tweeter 102 includes a plurality of sub-tweeters, the audio signal is decomposed by the crossover unit 101 to form a high-frequency signal, and the high-frequency signal enters the plurality of sub-tweeters, so that the plurality of sub-tweeters respectively emit high-frequency sounds, thereby meeting different high-frequency sounding requirements.

When the woofer 103 includes a plurality of sub-woofers, the audio signal is decomposed by the crossover unit 101 to form a low frequency signal, and the low frequency signal enters the plurality of sub-woofers, so that the plurality of sub-woofers respectively emit low frequency sounds, thereby meeting different low frequency sound emission requirements.

It should be noted that the sound generating module may include a plurality of sub-tweeters and a plurality of sub-woofers, or may include only a plurality of sub-tweeters, which is not limited.

The sub-tweeter is used for emitting high-frequency sound, the sub-woofer is used for emitting low-frequency sound, the specific number of the sub-tweeter and the sub-woofer can be set according to actual needs, the specific number is not limited, and four sub-tweeters can be arranged in four directions respectively; the sub-woofers may be provided in four, and the four sub-woofers are provided in four directions, respectively.

As shown in fig. 5, in some embodiments, the sound generating module 1 further includes a first cover plate 108 and a hollowed-out groove 109, the first cover plate 108 is disposed on the inner side of the rear shell 118, the woofer 103 is disposed on a side of the first cover plate 108 away from the rear shell 118, the sound generating side of the woofer 103 is located on a side of the woofer 103 close to the rear shell 118, and the hollowed-out groove 109 penetrates the first cover plate 108 along a direction from the sound generating side of the woofer 103 to the rear shell 118, so that a first cavity 110 is formed between the sound generating side of the woofer 103 and the inner side of the rear shell 118, and the first cavity 110 is communicated with the outside of the rear shell 118.

It can be appreciated that, through the arrangement of the first cover plate 108, the stacking arrangement of the woofer 103 inside the rear shell 118 is realized, and due to the arrangement of the hollowed-out groove 109, the sound producing side of the woofer 103 can conduct low-frequency sound to the outside of the rear shell 118 by using the first cavity 110 formed between the woofer 103 and the rear shell 118, and meanwhile, the first cavity 110 is avoided being formed by using the woofer 103 and the first cover plate 108, so that the first cover plate 108 is prevented from being provided with a larger thickness, and the size of the sound producing module 1 is reduced while the stable sound producing of the sound producing module 1 is satisfied, thereby further improving the performance of the sound producing module 1.

It should be noted that, the first cover 108 is used to set the woofer 103 on the rear shell 118, and ensure that the low-frequency sound on the sound emitting side of the woofer 103 can be conducted to the outside of the rear shell 118, and the specific type of the first cover 108 may be set according to actual needs, which is not limited. The first cover plate 108 may be disposed inside the rear case 118 by means of adhesive fixing, screw fixing, or the like.

The hollowed-out groove 109 is used for relatively setting the sound emitting side of the woofer 103 and the inner side of the rear shell 118, so that the first cover plate 108 is prevented from being blocked, the specific type of the hollowed-out groove 109 can be set according to actual needs, and the hollowed-out groove 109 can be set along the thickness direction of the rear shell 118 by way of example and not limitation.

The rear case 118 is used to carry the woofer 103 and is used to form the first cavity 110, and the specific type of the rear case 118 may be set according to actual needs, which is not limited thereto, and the rear case 118 may be a case on the back of the terminal device, for example.

As shown in fig. 5, in some embodiments, the sound module 1 further includes a first channel 111, the first channel 111 penetrates the first cover 108, and a first end of the first channel 111 communicates with the first cavity 110, and a second end of the first channel 111 communicates with the outside of the rear housing 118.

It can be understood that after the low-frequency sound on the sound emitting side of the woofer 103 enters the first cavity 110, the low-frequency sound is conducted to the outside of the rear shell 118 under the guidance of the first channel 111, so that the conduction of the low-frequency sound to the outside of the rear shell 118 is realized, and the stable low-frequency sound emission of the sound emitting module 1 is ensured.

It should be noted that, the first channel 111 is used for conducting low-frequency sound, the specific type of the first channel 111 may be set according to actual needs, which is not limited to this, and by way of example, the first channel 111 may be disposed along a plane direction of the rear housing 118, and a part of the first channel 111 may have a certain included angle with the plane direction of the rear housing 118.

As shown in fig. 5, in some embodiments, the sound module 1 further includes a second channel 112, the second channel 112 penetrates the rear housing 118, and a first end of the second channel 112 communicates with a second end of the first channel 111, and a second end of the second channel 112 communicates with an outside of the rear housing 118.

It can be understood that after the low-frequency sound on the sound emitting side of the woofer 103 enters the first cavity 110, the low-frequency sound is conducted to the outside of the rear shell 118 through the sequential guiding of the first channel 111 and the second channel 112, so that the conduction of the low-frequency sound to the outside of the rear shell 118 is realized, and the stable low-frequency sound emission of the sound emitting module 1 is ensured.

It should be noted that the second channel 112 is used for conducting low-frequency sound, and the specific type of the second channel 112 may be set according to actual needs, which is not limited thereto, and the second channel 112 may be disposed along the plane direction of the rear case 118, for example.

As shown in fig. 5, in some embodiments, the sound module 1 further includes a sealing pad 113, where the sealing pad 113 is disposed between the first cover plate 108 and the rear case 118, and the sealing pad 113 is disposed along the circumferential direction of the hollowed out groove 109.

It can be appreciated that, by the arrangement of the sealing gasket 113, the sealing of the first cavity 110 can be realized, so that the low-frequency sound on the sound emitting side of the woofer 103 can be efficiently conducted to the rear shell 118 from the first cavity 110, and stable sound emission of the sound emitting module 1 is ensured.

It should be noted that the specific type of the sealing pad 113 may be set according to actual needs, and this is not limited thereto, and the sealing pad 113 may be a gasket made of foam as an example.

As shown in fig. 5, in some embodiments, the sound emitting module 1 further includes a second cover 114, where the second cover 114 is disposed on a side of the first cover 108 away from the rear shell 118, and a second cavity 115 is formed between a side of the second cover 114 near the rear shell 118 and a side of the woofer 103 away from the sound emitting side.

It can be appreciated that, through the arrangement of the second cover plate 114, not only the clamping structure can be formed on the woofer 103 by matching with the first cover plate 108, so as to ensure the stable arrangement of the woofer 103 inside the rear case 118, but also the second cavity 115 can be formed on the side of the woofer 103 far from the sound emitting side, so as to ensure the stable sound emission of the woofer 103.

It should be noted that, the second cover 114 is used to dispose the woofer 103 on the rear shell 118, and ensure that the side of the woofer 103 away from the sound emitting side can form the second cavity 115, and the specific type of the second cover 114 may be set according to actual needs, which is not limited. The second cover 114 may be disposed on a side of the first cover 108 away from the rear case 118 by means of adhesive fastening, screw fastening, or the like.

As shown in fig. 6, in some embodiments, tweeter 102 is disposed between first cover plate 108 and second cover plate 114, and a third cavity 116 is formed between the sound emitting side of tweeter 102 and the side of first cover plate 108 remote from rear housing 118, the third cavity 116 being in communication with the exterior of rear housing 118, and a fourth cavity 117 is formed between the side of tweeter 102 remote from the sound emitting side and the side of second cover plate 114 proximate rear housing 118.

It can be appreciated that, since the tweeter 102 is disposed between the first cover plate 108 and the second cover plate 114, the tweeter 102 is disposed on the rear shell 118 while the woofer 103 is disposed on the rear shell 118, so that the tweeter 102 and the woofer 103 are integrated, the efficient disassembly and assembly of the sound module 1 are ensured, and the multiplexing of the first cover plate 108 and the second cover plate 114 is also realized, thereby reducing the use of structural components and the installation cost of the sound module 1.

The third cavity 116 is configured to enable the high-frequency sound on the sound emitting side of the tweeter 102 to be conducted to the outside of the rear shell 118 by using the third cavity 116, and the fourth cavity 117 is configured to ensure stable sound emission on the sound emitting side of the tweeter 102.

It should be noted that, the communication manner between the third cavity 116 and the exterior of the rear housing 118 may be set according to actual needs, which is not limited thereto, and the third cavity 116 may conduct high-frequency sound to the exterior of the rear housing 118 through a channel penetrating the first cover plate 108 and a channel penetrating the rear housing 118, for example.

Since the tweeter 102 has a small thickness relative to the woofer 103, the third cavity 116 of the tweeter 102 may be formed by the sound emitting side of the tweeter 102 and the side of the first cover plate 108 away from the rear case 118, or by providing the hollowed-out groove 109 to be formed by the sound emitting side of the tweeter 102 and the inner side of the rear case 118, without limitation.

As shown in fig. 7, the embodiment of the present disclosure further proposes a pronunciation system, which includes a plurality of pronunciation modules 1 according to the embodiment of the present disclosure.

It can be understood that the audio signal is decomposed by the crossover unit 101 to form a high-frequency signal and a low-frequency signal, and the high-frequency signal enters the tweeter 102 to make the tweeter 102 emit high-frequency sound, and the low-frequency signal enters the woofer 103 to make the woofer 103 emit low-frequency sound, so that the tweeter 102 and the woofer 103 are utilized to realize the sounding of the sounding module 1, and thus the use requirement is satisfied.

Wherein, because the low frequency signal in the audio signal is separated from the high frequency signal by the frequency division unit 101 and is independently sounded by the woofer 103, the low frequency signal is not affected by the superposition of the amplitude of the high frequency signal and can be lifted to the full amplitude, thereby realizing the miniaturized design of the sounding module 1 and effectively improving the low frequency loudness of the sounding module 1, further improving the performance of the sounding module 1 and meeting the use requirement.

Meanwhile, as the low-frequency signal and the high-frequency signal in the audio signal respectively sound through the woofer 103 and the tweeter 102, the high-frequency signal is only limited when the device heats, and the low-frequency signal is not limited, so that the stable low-frequency loudness of the sounding module 1 is ensured, and the performance of the sounding module 1 is further improved.

It should be noted that, the specific number and distribution manner of the pronunciation modules 1 may be set according to actual needs, which is not limited.

As shown in fig. 8, in some embodiments, the plurality of sound modules 1 are symmetrically distributed along a first axis 8 and a second axis 9, wherein the first axis 8 and the second axis 9 are perpendicular.

It can be appreciated that the plurality of sounding modules 1 are symmetrically distributed along the first axis 8 and the second axis 9, so that the plurality of sounding modules 1 can be uniformly arranged, and a balanced sound field can be cooperatively generated when the plurality of sounding modules 1 sound, so that the performance of the sounding system is improved.

It should be noted that the specific types of the first axis 8 and the second axis 9 may be set according to actual needs, which is not limited to this, and the first axis 8 may be a longitudinal axis in a horizontal direction in the terminal device, and the second axis 9 may be a transverse axis in a horizontal direction in the terminal device.

As shown in fig. 8, in some embodiments, the tweeter 102 spacing of adjacent speaker modules 1 is greater than the woofer 103 spacing.

It can be understood that, since the pitch of the tweeters 102 of the adjacent sounding modules 1 is larger than the pitch of the woofers 103, the tweeters 102 of the adjacent sounding modules 1 have a larger distance, so that when the sounding modules 1 sound, the influence between the adjacent tweeters 102 can be reduced, and the coverage of the high-frequency sound can be increased, thereby effectively improving the performance of the sounding system.

As shown in fig. 8, in some embodiments, the plurality of sound modules 1 includes a first sound module 2, a second sound module 3, a third sound module 4, and a fourth sound module 5, wherein the first sound module 2 and the second sound module 3 are symmetrically distributed along a first axis 8, the third sound module 4 and the fourth sound module 5 are symmetrically distributed along the first axis 8, the first sound module 2 and the third sound module 4 are symmetrically distributed along a second axis 9, and the second sound module 3 and the fourth sound module 5 are symmetrically distributed along the second axis 9.

It can be understood that, since the first sounding module 2 and the second sounding module 3 are symmetrically distributed along the first axis 8, the third sounding module 4 and the fourth sounding module 5 are symmetrically distributed along the first axis 8, and the first sounding module 2 and the third sounding module 4 are symmetrically distributed along the second axis 9, the second sounding module 3 and the fourth sounding module 5 are symmetrically distributed along the second axis 9, so that the sounding system has four groups of sounding modules 1 which are symmetrically distributed, thereby realizing a balanced sound field in four directions, and further effectively improving the performance of the sounding system.

It should be noted that, the first sounding module 2, the second sounding module 3, the third sounding module 4 and the fourth sounding module 5 are all sounding modules 1, and the first sounding module 2, the second sounding module 3, the third sounding module 4 and the fourth sounding module 5 can be used for respectively sounding four sound channels, for example: upper channel, lower channel, left channel, right channel.

As shown in fig. 8, in some embodiments, the distance between the first sounding module 2 and the second sounding module 3 is smaller than the distance between the first sounding module 2 and the third sounding module 4, the high pitch sensor of the first sounding module 2 is disposed at a side of the low pitch sensor of the first sounding module 2 away from the second sounding module 3, the high pitch sensor of the second sounding module 3 is disposed at a side of the low pitch sensor of the second sounding module 3 away from the first sounding module 2, the high pitch sensor of the third sounding module 4 is disposed at a side of the low pitch sensor of the third sounding module 4 away from the fourth sounding module 5, and the high pitch sensor of the fourth sounding module 5 is disposed at a side of the low pitch sensor of the fourth sounding module 5 away from the third sounding module 4.

It can be understood that, since the distance between the first sound emitting module 2 and the second sound emitting module 3 is smaller than the distance between the first sound emitting module 2 and the third sound emitting module 4, the tweeter 102 of the first sound emitting module 2 and the tweeter 102 of the third sound emitting module 4 have larger distances, and at the same time, the tweeter 102 of the second sound emitting module 3 and the tweeter 102 of the fourth sound emitting module 5 also have larger distances.

Because the high pitch sensor of the first sounding module 2 is disposed on the side of the low pitch sensor of the first sounding module 2 away from the second sounding module 3, the high pitch sensor of the second sounding module 3 is disposed on the side of the low pitch sensor of the second sounding module 3 away from the first sounding module 2, and the high pitch sensor of the third sounding module 4 is disposed on the side of the low pitch sensor of the third sounding module 4 away from the fourth sounding module 5, and the high pitch sensor of the fourth sounding module 5 is disposed on the side of the low pitch sensor of the fourth sounding module 5 away from the third sounding module 4, so that the high pitch loudspeaker 102 of the first sounding module 2 and the high pitch loudspeaker 102 of the second sounding module 3 have a larger pitch, and the high pitch loudspeaker 102 of the third sounding module 4 and the high pitch loudspeaker 102 of the fourth sounding module 5 also have a larger pitch.

Therefore, the tweeters 102 of the adjacent sounding modules 1 have larger distances, so that when the first sounding module 2, the second sounding module 3, the third sounding module 4 and the fourth sounding module 5 sound, the influence between the adjacent tweeters 102 can be reduced, the coverage range of high-frequency sound can be enlarged, and the performance of the sounding system is effectively improved.

As shown in fig. 7, in some embodiments, the pronunciation system further includes a channel allocation unit 6, where a plurality of first input ends of the channel allocation unit 6 are respectively connected to a plurality of audio signals, and a plurality of output ends of the channel allocation unit 6 are respectively connected to input ends of a plurality of pronunciation modules 1, and the channel allocation unit 6 is configured to allocate the plurality of audio signals to the plurality of pronunciation modules 1.

It can be understood that the audio signals are distributed by the sound channel distribution unit 6 and then enter the sound producing modules 1, so that the tweeters 102 of the sound producing modules 1 produce high-frequency sound, and the woofers 103 of the sound producing modules 1 produce low-frequency sound, thereby realizing the sound production of the sound producing system and further meeting the use requirements.

The sound channel allocation unit 6 is configured to flexibly allocate a plurality of audio signals to the plurality of sound emitting modules 1, so as to meet different use requirements.

It should be noted that, the channel allocation unit 6 is used for allocating a plurality of audio signals in the plurality of pronunciation modules 1, and the specific type of the channel allocation unit 6 may be set according to actual needs, which is not limited to this, and the channel allocation unit 6 may include a control chip and a mixer with a plurality of channels, where the control chip controls the action of the mixer to implement allocation of a plurality of audio signals.

As shown in fig. 7, in some embodiments, the pronunciation system further includes a position detection unit 7, where an output end of the position detection unit 7 is connected to a second input end of the sound distribution unit 6, and the position detection unit 7 is configured to detect relative positions of the plurality of pronunciation modules 1, where the sound channel distribution unit 6 is configured to distribute a plurality of audio signals to the plurality of pronunciation modules 1 according to the relative positions of the plurality of pronunciation modules 1, respectively.

It can be understood that the sound channel distribution unit 6 distributes the plurality of audio signals to the plurality of sound modules 1 according to the relative positions of the plurality of sound modules 1, so that the sound channels of the plurality of sound modules 1 can be changed along with the change of the relative positions thereof, and further, the use requirement is satisfied.

It should be noted that, when the first sounding module 2, the second sounding module 3, the third sounding module 4, and the fourth sounding module 5 are respectively located at the upper left, the lower left, the upper right, and the lower right, the audio signal of the upper left channel is transmitted to the first sounding module 2, the audio signal of the lower left channel is transmitted to the second sounding module 3, the audio signal of the upper right channel is transmitted to the third sounding module 4, and the audio signal of the lower right channel is transmitted to the fourth sounding module 5 under the allocation of the channel allocation unit 6; when the sounding system rotates to enable the first sounding module 2, the second sounding module 3, the third sounding module 4 and the fourth sounding module 5 to be respectively located at the lower left, the upper right, the lower right and the upper left, then under the distribution of the sound channel distribution unit 6, the audio signal of the upper left sound channel is transmitted to the fourth sounding module 5, the audio signal of the lower left sound channel is transmitted to the second sounding module 3, the audio signal of the upper right sound channel is transmitted to the third sounding module 4, and the audio signal of the lower right sound channel is transmitted to the first sounding module 2.

The position detecting unit 7 is configured to detect the relative positions of the plurality of sound emitting modules 1, and the specific type of the position detecting unit 7 may be set according to actual needs, which is not limited thereto, and the position detecting unit 7 may be a gravity sensing sensor, for example.

Based on the pronunciation system of the present embodiment, as shown in fig. 9, the abscissa in fig. 9 is audio, the ordinate is amplitude, the first curve in fig. 9 represents the pronunciation system, the audio signal thereof is a superimposed high-frequency signal and low-frequency signal, the second curve represents the pronunciation system, the audio signal thereof is a low-frequency signal from which the high-frequency signal is filtered, and the third curve represents the pronunciation system of the present embodiment, the audio signal thereof is a decomposed high-frequency signal and low-frequency signal, as can be seen from fig. 9, not only the low-frequency sound of the pronunciation system of the present embodiment has a significant improvement, but also the high-frequency coverage is significantly increased.

As shown in fig. 8, the embodiment of the present disclosure further proposes a terminal device, including the pronunciation module 1 as the embodiment of the present disclosure, or the pronunciation system as the embodiment of the present disclosure.

It can be understood that the audio signal is decomposed by the crossover unit 101 to form a high-frequency signal and a low-frequency signal, and the high-frequency signal enters the tweeter 102 to make the tweeter 102 emit high-frequency sound, and the low-frequency signal enters the woofer 103 to make the woofer 103 emit low-frequency sound, so that the tweeter 102 and the woofer 103 are utilized to realize the sounding of the sounding module 1, and thus the use requirement is satisfied.

Wherein, because the low frequency signal in the audio signal is separated from the high frequency signal by the frequency division unit 101 and is independently sounded by the woofer 103, the low frequency signal is not affected by the superposition of the amplitude of the high frequency signal and can be lifted to the full amplitude, thereby realizing the miniaturized design of the sounding module 1 and effectively improving the low frequency loudness of the sounding module 1, further improving the performance of the sounding module 1 and meeting the use requirement.

Meanwhile, as the low-frequency signal and the high-frequency signal in the audio signal respectively sound through the woofer 103 and the tweeter 102, the high-frequency signal is only limited when the device heats, and the low-frequency signal is not limited, so that the stable low-frequency loudness of the sounding module 1 is ensured, and the performance of the sounding module 1 is further improved.

It should be noted that the specific type of the terminal device may be set according to actual needs, which is not limited to this, and the terminal device may be a mobile phone, a tablet computer, a sound box, a vehicle-mounted terminal, and the like.

As shown in fig. 8, in some embodiments, the terminal device further comprises a top 10 and a bottom 11, and a first side 12 and a second side 13 located between the top 10 and the bottom 11 and opposite to each other; wherein, the tweeter and the woofer in the first sounding module 2 of the sounding system are arranged at one end of the top 10 close to the first side 12, the tweeter and the woofer in the second sounding module 3 of the sounding system are arranged at one end of the top 10 close to the second side 13, the tweeter and the woofer in the third sounding module 4 of the sounding system are arranged at one end of the bottom 11 close to the first side 12, and the tweeter and the woofer in the fourth sounding module 4 of the sounding system are arranged at one end of the bottom 11 close to the second side 13. It can be understood that the frequency dividing units in each pronunciation module in the embodiment of the disclosure may be separately provided, or each frequency dividing unit may be integrated in one module with a frequency dividing function.

It can be understood that the first sounding module 2, the second sounding module 3 and the third sounding module 4 are respectively arranged on two sides of the top 10, and the third sounding module 4 and the fourth sounding module 4 are respectively arranged on two sides of the bottom 11, so that the first sounding module 2, the second sounding module 3, the third sounding module 4 and the fourth sounding module 4 can be uniformly distributed in the terminal equipment, and therefore, the sounding system can realize balanced sounding in four directions of the terminal equipment, and further, the performance of the terminal equipment is effectively improved.

As shown in fig. 8, in some embodiments, the terminal device further includes a frame 14, and the long sides of the tweeter 102 and/or the woofer 103 of the sound module 1 in the sound producing system are disposed near the frame 14.

It will be appreciated that the arrangement of the long sides of the tweeter 102 and/or the woofer 103 close to the rim 14 can reduce the intrusion of the tweeter 102 and/or the woofer 103 into the internal space of the terminal device, and at the same time reduce the sound guiding distance between the tweeter 102 and/or the woofer 103 and the outside of the terminal device, thereby ensuring efficient sound production of the terminal device.

In the sound emitting module 1, the long side of the tweeter 102 may be disposed near the frame 14, the long side of the woofer 103 may be disposed near the frame 14, or the long side of the tweeter 102 and the long side of the woofer 103 may be disposed near the frame 14 at the same time, which is not limited thereto.

Here, the long side means a side having a larger length, the short side means a side having a smaller length, and the tweeter 102 and the woofer 103 each have a long side and a short side.

In the description of the present disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.

Claims (22)

1. A sound module, comprising:

the audio signal is fed into the input end of the frequency dividing unit, the frequency dividing unit is used for dividing the audio signal into at least a high-frequency signal and a low-frequency signal, the first output end of the frequency dividing unit is used for outputting the high-frequency signal, and the second output end of the frequency dividing unit is used for outputting the low-frequency signal;

the input end of the tweeter is connected with the first output end of the frequency dividing unit;

and the input end of the woofer is connected with the second output end of the frequency dividing unit.

2. The sound module of claim 1, wherein the sound module further comprises:

the low-frequency enhancement unit is connected in series between the input end of the woofer and the second output end of the frequency division unit, the input end of the low-frequency enhancement unit is connected with the second output end of the frequency division unit, and the output end of the low-frequency enhancement unit is connected with the input end of the woofer.

3. The sound module of claim 2, wherein the sound module further comprises:

the low-frequency enhancement unit comprises a low-frequency enhancement unit, a first power amplification unit, a second power amplification unit and a second power amplification unit, wherein the first power amplification unit is connected in series between the output end of the low-frequency enhancement unit and the input end of the low-frequency speaker, the input end of the first power amplification unit is connected with the output end of the low-frequency enhancement unit, and the output end of the first power amplification unit is connected with the input end of the low-frequency speaker.

4. The sound module of claim 1, wherein the sound module further comprises:

the second power amplifying unit is connected in series between the input end of the tweeter and the first output end of the frequency dividing unit, the input end of the second power amplifying unit is connected with the first output end of the frequency dividing unit, and the output end of the second power amplifying unit is connected with the input end of the tweeter.

5. The sound module of claim 1, wherein the sound module further comprises:

and the input end of the sound effect processing unit is connected with the audio signal, and the output end of the sound effect processing unit is connected with the input end of the frequency dividing unit.

6. The sound module of claim 1, wherein the sound module comprises a speaker,

the tweeter includes: the input ends of the sub-tweeters are respectively connected with the first output ends of the frequency dividing units;

and/or

The woofer comprises: and the input ends of the sub-woofers are respectively connected with the second output ends of the frequency dividing units.

7. The sound module of any one of claims 1-6, wherein the sound module further comprises:

the first cover plate is arranged on the inner side of the rear shell, the woofer is arranged on one side, far away from the rear shell, of the first cover plate, and the sound producing side of the woofer is positioned on one side, close to the rear shell, of the woofer;

the hollowed-out groove penetrates through the first cover plate along the direction from the sound emitting side of the woofer to the rear shell, so that a first cavity is formed between the sound emitting side of the woofer and the inner side of the rear shell, and the first cavity is communicated with the outer part of the rear shell.

8. The sound module of claim 7, wherein the sound module further comprises:

The first channel penetrates through the first cover plate, the first end of the first channel is communicated with the first cavity, and the second end of the first channel is communicated with the outside of the rear shell.

9. The sound module of claim 8, wherein the sound module further comprises:

and the second channel penetrates through the rear shell, the first end of the second channel is communicated with the second end of the first channel, and the second end of the second channel is communicated with the outside of the rear shell.

10. The sound module of claim 8, wherein the sound module further comprises:

the sealing gasket is arranged between the first cover plate and the rear shell, and the sealing gasket is arranged along the circumference of the hollowed-out groove.

11. The sound module of claim 7, wherein the sound module further comprises:

the second cover plate is arranged on one side, far away from the rear shell, of the first cover plate, and a second cavity is formed between one side, close to the rear shell, of the second cover plate and one side, far away from the sound producing side, of the woofer.

12. The sound generation module of claim 11, wherein the tweeter is disposed between the first cover plate and the second cover plate, and a third cavity is formed between a sound generation side of the tweeter and a side of the first cover plate away from the rear housing, the third cavity is communicated with an outside of the rear housing, and a fourth cavity is formed between a side of the tweeter away from the sound generation side and a side of the second cover plate close to the rear housing.

13. A sound producing system, comprising: a plurality of pronunciation modules as claimed in any one of claims 1 to 12.

14. The sound producing system of claim 13, wherein a plurality of the sound producing modules are symmetrically distributed along a first axis and a second axis, wherein the first axis and the second axis are perpendicular.

15. The sound producing system of claim 14, wherein the tweeter spacing adjacent the sound producing module is greater than the woofer spacing.

16. The pronunciation system of claim 13, wherein the plurality of pronunciation modules comprises:

the device comprises a first pronunciation module, a second pronunciation module, a third pronunciation module and a fourth pronunciation module;

the first sounding module and the second sounding module are symmetrically distributed along a first axis, the third sounding module and the fourth sounding module are symmetrically distributed along the first axis, the first sounding module and the third sounding module are symmetrically distributed along a second axis, and the second sounding module and the fourth sounding module are symmetrically distributed along the second axis.

17. The sonification system of claim 16 wherein,

The distance between the first sound emitting module and the second sound emitting module is smaller than the distance between the first sound emitting module and the third sound emitting module;

the high pitch sensor of first pronunciation module sets up the low pitch sensor of first pronunciation module is kept away from one side of second pronunciation module, the high pitch sensor of second pronunciation module sets up the low pitch sensor of second pronunciation module is kept away from one side of first pronunciation module, the high pitch sensor of third pronunciation module sets up the low pitch sensor of third pronunciation module is kept away from one side of fourth pronunciation module, the high pitch sensor of fourth pronunciation module sets up the low pitch sensor of fourth pronunciation module is kept away from one side of third pronunciation module.

18. The sonification system of claim 13, wherein the sonification system further comprises:

the sound channel distribution unit is used for distributing a plurality of audio signals to a plurality of sound emitting modules respectively.

19. The sonification system of claim 18, wherein the sonification system further comprises:

the output end of the position detection unit is connected with the second input end of the sound channel distribution unit, and the position detection unit is used for detecting the relative positions of the sound emitting modules;

the sound channel distribution unit is used for distributing a plurality of audio signals to the plurality of sounding modules respectively according to the relative positions of the plurality of sounding modules.

20. A terminal device, comprising: a pronunciation system as claimed in any one of claims 13-19.

21. The terminal device according to claim 20, characterized in that the terminal device further comprises:

a top and a bottom, and first and second opposite sides between the top and the bottom;

the high-pitch loudspeaker and the low-pitch loudspeaker in the first sound emitting module of the sound emitting system are arranged at one end of the top close to the first side edge, the high-pitch loudspeaker and the low-pitch loudspeaker in the second sound emitting module of the sound emitting system are arranged at one end of the top close to the second side edge, the high-pitch loudspeaker and the low-pitch loudspeaker in the third sound emitting module of the sound emitting system are arranged at one end of the bottom close to the first side edge, and the high-pitch loudspeaker and the low-pitch loudspeaker in the fourth sound emitting module of the sound emitting system are arranged at one end of the bottom close to the second side edge.

22. The terminal device according to claim 20, characterized in that the terminal device further comprises:

and the long sides of the tweeter and/or the woofer of the pronunciation module in the pronunciation system are close to the frame.