CN210183378U

CN210183378U - Audio output device and communication terminal with same

Info

Publication number: CN210183378U
Application number: CN201921522669.1U
Authority: CN
Inventors: Ziping Song; 宋子平
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-03-24
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to an audio output device and a communication terminal with the same, which comprises a loudspeaker, a receiver sound outlet hole and a loudspeaker sound outlet hole, wherein the loudspeaker is connected with an audio electric signal circuit to convert the audio electric signal into sound; the sound outlet hole of the receiver is communicated with the loudspeaker through a first audio channel; the speaker sound outlet hole is communicated with the speaker through a second audio channel. The embodiment of the disclosure can avoid setting up the independent sounding occupation space of the earphone monomer and the electromagnetic interference caused to the camera motor.

Description

Audio output device and communication terminal with same

Technical Field

The present disclosure relates to the field of audio processing technologies, and in particular, to an audio output device and a communication terminal having the same.

Background

The communication technology is continuously developed, and the production industry of the mobile phone is rapidly developed. At present, the mobile phone is no longer just a communication tool, and people can also take pictures and play multimedia files by using the mobile phone. In order to improve the quality of sound when the multimedia file is played, a separate loudspeaker is arranged in the mobile phone except for a receiver.

Disclosure of Invention

To overcome the problems in the related art, the present disclosure provides an audio output device and a communication terminal having the same.

According to a first aspect of the embodiments of the present disclosure, there is provided an audio output device, including a speaker, a receiver sound outlet hole, a speaker sound outlet hole, and a power switching component, wherein the speaker is connected to an audio electrical signal circuit to convert an audio electrical signal into sound; the sound outlet hole of the receiver is communicated with the loudspeaker through a first audio channel; the speaker sound outlet hole is communicated with the speaker through a second audio channel.

In one example, the audio output device further includes: and the power switching component is electrically connected with the audio electric signal circuit and the loudspeaker and is used for switching the upper limit value of the power of the audio electric signal transmitted to the loudspeaker by the audio electric signal circuit.

In one example, the speaker is disposed in the second audio channel, and the first audio channel and the second audio channel are communicated through the through hole.

In one example, the power switching assembly comprises a signal identifier and a power switching module, wherein the signal identifier is electrically connected with a first circuit for controlling a communication audio electric signal and a second circuit for controlling a multimedia audio electric signal respectively, and identifies the signal type of the audio electric signal input to the loudspeaker; the power switching module is electrically connected with the signal identifier and the loudspeaker respectively, and adjusts the upper limit value of the power of the audio electrical signal transmitted to the loudspeaker according to the signal type.

In one example, the power switching module is configured to have power modes that match the audio signal type, and each power mode configures a priority.

In one example, the speaker includes a variable resistor that changes a resistance value according to a power mode.

According to a second aspect of the embodiments of the present disclosure, there is provided a communication terminal including the audio output device according to the first aspect and any one of the embodiments.

In one example, the receiver sound outlet and the speaker sound outlet are respectively disposed on different surfaces of the communication terminal.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: this disclosed embodiment is through setting up the structure of a speaker, two audio frequency passageways, two play sound holes to switch the power of the audio frequency signal of telecommunication who transmits to the speaker through the power switching subassembly, can avoid setting up alone the earphone monomer, and then avoid the earphone monomer to the electromagnetic interference of camera motor. The production cost of the audio output device is reduced, and the problem of insufficient installation space of the camera is solved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 shows a schematic block diagram of an embodiment of an audio output device of the present disclosure;

FIG. 2 shows a schematic cross-sectional AA block diagram of the embodiment of FIG. 1 of an audio output apparatus of the present disclosure;

fig. 3 shows a schematic structural diagram of the power switching component of the audio output device of the present disclosure according to the embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. It should be noted that although the expressions "first", "second", etc. are used herein to describe different modules, steps, data, etc. of the embodiments of the present invention, the expressions "first", "second", etc. are merely used to distinguish between different modules, steps, data, etc. and do not indicate a particular order or degree of importance. Indeed, the terms "first," "second," and the like are fully interchangeable.

With the increasing requirements of people on the photographing function of the mobile phone and the trend of ultra-thin mobile phones, mobile phone manufacturers mount more and more cameras in the limited space of the mobile phone to improve the photographing quality of the mobile phone. The screen of camera is more and more taken up than increasing for the increase of camera number, and reduces gradually with the distance between the earphone, and the mounted position of part camera is more and more near apart from the free position of earphone, leads to when using the camera, and the earphone of magnetism nature receives the magnetism interference of earphone monomer certain degree to the camera motor of its nearer camera. In order to avoid the above phenomenon, embodiments of the present disclosure provide an audio output device without a single handset but without affecting the usage of the handset, and a communication terminal having the same.

A first aspect of the embodiments of the present disclosure provides an audio output device, and fig. 1 illustrates a schematic structural diagram of an embodiment of the audio output device of the present disclosure; fig. 2 shows a schematic diagram of the cross-sectional structure AA of the audio output device of the present disclosure in the embodiment shown in fig. 1. As shown in fig. 1 and fig. 2, the audio output device includes an audio channel 1, a speaker 2, a first audio channel 11, a receiver sound outlet hole 110, a second audio channel 12, a receiver sound outlet hole 120, and a power switching component 3, wherein the receiver sound outlet hole 110 is communicated with the speaker 2 through the first audio channel 11; the speaker sound outlet hole 120 communicates with the speaker 2 through the second audio channel 12; the power switching component 3 is electrically connected with the audio electric signal circuits (4, 5) and the loudspeaker 2, and switches the upper limit value of the power of the audio electric signal transmitted to the loudspeaker by the signal circuits.

In this embodiment, the communication audio signal may be a telephone signal, a voice call signal completed through a voice call program, or the like; the multimedia signal may be a sound signal generated during playing of a streaming media file, such as an audio file in MP3 format,. avi,. rmvb,. mkv format, and the like.

The audio output device provided in this embodiment is not provided with a single earphone for outputting communication audio signals, and the speaker 2 and the earphone sound outlet hole 110 are communicated through the first audio channel 11, and the speaker 2 and the speaker sound outlet hole 120 are communicated through the second audio channel 12. The communication audio electrical signal and the multimedia audio electrical signal are transmitted to the same speaker 2 and sound is generated through the speaker 2. The sound emitted by the speaker 2 may escape from both the earpiece sound outlet hole 110 communicating with the first audio channel 11 and the speaker sound outlet hole 120 communicating with the second audio channel 12. The power switching module 3 controls an upper limit value of the maximum volume of the sound emitted from the speaker 2 according to the type of the audio electric signal.

In one example, after the power switching component 3 sends the communication audio signal to the speaker 2, the volume of the sound generated by the speaker 2 is automatically adjusted to a lower level, which may be a maximum volume of 80 db, so that the power switching component can adapt to the bearing capacity of human ears and can ensure the privacy of the user communication content; after the power switching component 3 sends the multimedia audio signal to the speaker 2, the volume of the sound generated by the speaker 2 is automatically adjusted to a higher level, which may be about 150 db at maximum.

The audio output device provided in this embodiment transmits the communication audio electrical signal and the multimedia audio electrical signal to the same speaker 2 through the power switching component 3 to perform the conversion of the electrical sound signal, and the sound hole 110 of the receiver can overflow the sound after the conversion of the communication audio signal through the first audio channel 11 and the second audio channel 12. Both ensured normal conversation, still avoided setting up the earphone monomer to the electromagnetic interference of the camera motor of camera, improved the imaging quality of camera, increased equipment inner space.

In some embodiments, speaker 2 is disposed in second audio channel 12, and first audio channel 11 and second audio channel 12 are in communication through a through hole. In the present embodiment, the speaker 2 is disposed in the second audio channel 12, so that the overall occupied space of the audio output device of the present embodiment can be reduced without affecting the sound transmission generated by the speaker 2. The through hole may transmit sound generated by the speaker 2 from the second audio channel 12 into the first audio channel 11 so that the sound may escape from the earpiece sound outlet hole 110.

Fig. 3 shows a schematic structural diagram of a power switching component of the audio output device of the present disclosure according to the embodiment shown in fig. 1, where the power switching component 3 includes a signal identifier 31 and a power switching module 32. The signal identifier 31 is electrically connected to the first circuit 4 and the second circuit 5, respectively, and identifies the signal type of the audio electrical signal input to the speaker 2; the power switching module 32 is electrically connected to the signal identifier 31 and the speaker 2, respectively, and adjusts the upper limit value of the power of the audio electrical signal transmitted to the speaker 2 according to the type of the signal.

The audio electrical signal transmitted to the speaker 2 in this embodiment passes through the signal identifier 31 before reaching the speaker 2 to identify the source of the audio electrical signal. If the audio electrical signal is a communication audio electrical signal from the first circuit 4 for controlling communication, a first identifier is added to the communication audio electrical signal, and the first identifier indicates that the audio electrical signal is a communication audio electrical signal. The power switching module 32 switches the upper limit value of the power of the audio electric signal transmitted to the speaker 2 to a level suitable for a call. If the audio electric signal is the multimedia audio electric signal from the second circuit 5 for controlling multimedia, a second identifier is added to the multimedia audio electric signal, and the second identifier indicates that the audio electric signal is the multimedia audio electric signal. The power switching module 32 switches the upper limit value of the power of the audio electrical signal transmitted to the speaker 2 to a level suitable for playing the streaming media file. In this embodiment, the level for communication may be a level at which the user can clearly hear when the receiver is attached to the ear; the level suitable for playing the streaming media file may be a level at which the audio output device can be clearly heard by the user within a preset distance from the user's ear at maximum volume.

In this embodiment, the power switching module 32 switches the power upper limit value of the audio electrical signal to realize the volume of the sound output by the speaker 2, thereby ensuring the privacy of the call and the high-quality sound played by the streaming media.

In some embodiments, power switching module 32 is configured to have power modes that match the audio electrical signal type, and each power mode configures a priority. The number of the speakers 2 in the audio output device of the present embodiment is one, so as to avoid noise that is easily caused by outputting multiple types of audio electrical signals at the same time. A power mode matched with the type of the audio electric signal is configured in the power switching module 32, and the power mode can be a communication mode and an entertainment mode, wherein the communication mode can be telephone communication, program voice communication which can be used for communication, video communication and the like; the entertainment mode may be an audio electrical signal output of a program that may be used for audio file playback, video file playback. In one example, the communication mode has a higher priority than the entertainment mode.

In one example, during the process of outputting the song file by the audio player, the power switching module 32 receives a communication audio electric signal, and at this time, the output of the song file is suspended, and the sound matching the communication audio electric signal is preferentially output in the speaker 2. In another example, in the process of outputting the sound matched with the communication audio electrical signal in the speaker 2, the power switching module 32 receives an audio electrical signal corresponding to the sound signal of a video file, at this time, the power switching module 32 does not switch the sound matched with the communication audio electrical signal being output by the speaker 2, and automatically outputs the sound signal of the video file after the sound matched with the communication audio electrical signal disappears, or the user performs a manual operation to continuously output the sound of the video file.

This embodiment can ensure to carry out clear voice communication in time through configuring power mode to power switching module 32, avoids important telephone to be disturbed, ensures the privacy of communication.

In some embodiments, the speaker 2 includes a variable resistor that changes a resistance value according to a power mode of the received audio electrical signal. The principle of the speaker 2 sounding is to change the magnitude of the speaker volume by changing the magnitude of the current of the audio electrical signal through the speaker 2. In the case of a constant voltage applied to the speaker 2, the current through the speaker 2 can be changed by changing the resistance value of the speaker 2, thereby changing the sound level output by the speaker 2. So as to be suitable for the output of sound volume in the communication mode as well as in the entertainment mode.

In some embodiments, the audio channel 1 may be formed integrally by an injection mold. Due to the design, no gap exists between the first audio channel 11 and the second audio channel 12, and the sound is prevented from flowing out of the first audio channel 11 and the second audio channel 12 and the connecting gap outside the channel connecting the first audio channel 11 and the second audio channel 12 to cause sound loss in the process that the sound output by the loudspeaker 2 is transmitted from the second audio channel 12 to the first audio channel 11.

Based on similar inventive concepts, a second aspect of the embodiments of the present disclosure provides a communication terminal including the audio output device according to the first aspect and the embodiments. The communication terminal may be a mobile communication device such as a mobile phone and a tablet computer, or may be other electronic devices that can be used for communication and also for streaming media file sound output.

Through set up above-mentioned audio output device on communication terminal, can avoid the earphone monomer to the electromagnetic interference that the camera motor of camera caused, can also ensure the privacy of conversation and the tone quality of multimedia file sound output.

In some embodiments, the receiver sound outlet hole 110 and the speaker sound outlet hole 120 are disposed on different sides of the communication terminal. The receiver sound outlet hole 110 can be a speaker sound outlet hole arranged above the front side of the communication terminal screen; 120 may be a sound outlet opening formed on the top end of the communication terminal near the sound outlet opening 110 of the handset. The speaker sound outlet hole 120 and the speaker sound outlet hole at the other end of the communication terminal are simultaneously sounded to form a stereo sound of the communication terminal.

In this embodiment, the orientation of the sound outlet hole 120 of the speaker is different from the orientation of the sound outlet hole of another speaker on the communication terminal, so as to achieve the stereo effect of the communication terminal.

The communication terminal of this embodiment both can ensure communication terminal's stereo effect, still sends communication sound and multimedia sound through using same speaker 2, has avoided installing the drawback of earphone monomer occupation space at communication terminal, further eliminates the earphone monomer to the electromagnetic interference of camera motor.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An audio output device, comprising:

the loudspeaker is connected with the audio electric signal circuit and converts the audio electric signal into sound;

the earphone sound outlet hole is communicated with the loudspeaker through a first audio channel;

and the sound outlet hole of the loudspeaker is communicated with the loudspeaker through a second audio channel.

2. The audio output device of claim 1, further comprising:

and the power switching component is electrically connected with the audio electric signal circuit and the loudspeaker and is used for switching the upper limit value of the power of the audio electric signal transmitted to the loudspeaker by the audio electric signal circuit.

3. The audio output device according to claim 2, wherein the speaker is disposed in the second audio channel, and the first audio channel and the second audio channel are communicated through a through hole.

4. The audio output device of claim 2 or 3, wherein the power switching component comprises:

the signal identifier is respectively and electrically connected with a first circuit for controlling communication audio electric signals and a second circuit for controlling multimedia audio electric signals, and identifies the signal type of the audio electric signals input into the loudspeaker;

and the power switching module is electrically connected with the signal identifier and the loudspeaker respectively, and adjusts the upper limit value of the power of the audio electrical signal transmitted to the loudspeaker according to the signal type.

5. The audio output device of claim 4, wherein the power switching module is configured to have power modes that match audio signal types, and each power mode configures a priority.

6. The audio output device according to claim 5, wherein the speaker includes a variable resistor that changes a resistance value according to the power mode.

7. A communication terminal, characterized in that it comprises an audio output device according to any one of the preceding claims 1 to 6.

8. The communication terminal according to claim 7, wherein the receiver sound outlet and the speaker sound outlet are respectively disposed on different sides of the communication terminal.