阅读说明：本技术 控制方法、电子设备和外放系统 (Control method, electronic device and external playing system ) 是由 郭华 于 2021-08-24 设计创作，主要内容包括：本申请公开一种控制方法、电子设备和外放系统。控制方法可以用于电子设备,电子设备包括至少一个内置扬声器和通信接口,通信接口能够用于连接至少一个外接扬声器,控制方法包括：控制通信接口传输音频数据至外接扬声器；根据音频数据控制内置扬声器和外接扬声器工作以形成多声道音效。本申请通过外接扬声器配合内置扬声器来形成多声道音效,其中,由于外接扬声器是通过通信接口与电子设备连接的,因此,能够避免电子设备自身的体积、重量增加,使得电子设备便于携带。(The application discloses a control method, electronic equipment and a play-out system. The control method can be used for electronic equipment, the electronic equipment comprises at least one built-in loudspeaker and a communication interface, the communication interface can be used for connecting at least one external loudspeaker, and the control method comprises the following steps: controlling the communication interface to transmit audio data to an external loudspeaker; and controlling the operation of the built-in loudspeaker and the external loudspeaker according to the audio data to form multi-channel sound effect. This application forms the multichannel audio through external speaker cooperation built-in speaker, wherein, because external speaker is connected through communication interface and electronic equipment, consequently, can avoid electronic equipment self volume, weight increase for electronic equipment portable.)

1. A control method for an electronic device, the electronic device comprising at least one built-in speaker and a communication interface, the communication interface being capable of being used to connect to at least one external speaker, the control method comprising:

controlling the communication interface to transmit audio data to the external loudspeaker;

and controlling the built-in loudspeaker and the external loudspeaker to work according to the audio data to form multi-channel sound effect.

2. The control method according to claim 1, wherein the communication interface is capable of being connected to the external speaker through an OTG adapter, the electronic device transmits the audio data to the OTG adapter, the audio data is an audio digital signal, the OTG adapter includes a codec chip and a power amplifier, the codec chip is configured to convert the audio digital signal into an audio analog signal, and the power amplifier is configured to amplify the audio analog signal and output the audio analog signal to the external speaker.

3. The control method of claim 2, wherein the OTG adapter comprises a tensile cord, and the external speaker is connected to the power amplifier through the tensile cord.

4. The control method according to claim 1, wherein the electronic device further includes a position detection element, the control method further comprising:

controlling the position detection element to detect the position of the external loudspeaker;

the controlling the operation of the built-in loudspeaker and the external loudspeaker according to the audio data to form multi-channel sound effect comprises the following steps:

and controlling the external loudspeaker to work according to the position of the external loudspeaker.

5. The control method of claim 4, wherein the built-in speaker is disposed at a preset position of the electronic device, and the controlling the built-in speaker and the external speaker to operate according to the audio data to form multi-channel sound effects comprises:

and controlling the built-in loudspeaker and the external loudspeaker to work according to the preset position and the position of the external loudspeaker so as to form a multi-channel sound effect.

6. The control method according to claim 4, wherein the external speaker includes a permanent magnet, the position detection element includes a hall sensor, and the controlling the position detection element to detect the position of the external speaker includes:

and controlling the Hall sensor to detect the magnetic field of the permanent magnet so as to determine the position of the external loudspeaker.

7. The control method according to any one of claims 1 to 6, wherein the electronic device includes a first side and a second side, the first side is longer than the second side, the built-in speaker is provided at a predetermined position on the second side, and the external speaker is provided at an arbitrary position on the first side.

8. The control method according to claim 7, wherein the electronic device includes a magnetic member, the magnetic member is disposed inside the first side, and the external speaker is attached to any position on the first side through the magnetic member.

9. The control method according to any one of claims 1 to 6, wherein the electronic device comprises a front surface and a back surface which are opposite to each other, the front surface is provided with a display screen, and the external speaker is arranged on the back surface.

10. An electronic device, characterized in that the electronic device comprises at least one built-in speaker, a communication interface, which can be used to connect at least one external speaker, and a processor, which is configured to perform the control method of any one of claims 1-9.

11. A playback system comprising an external speaker and the electronic device of claim 10, wherein the external speaker is connected to a communication interface of the electronic device.

Technical Field

The present application relates to the field of consumer electronics, and more particularly, to a control method, an electronic device, and a playback system.

Background

In the related art, one or two speakers are usually arranged in the electronic device, the playing effect of the electronic device is poor due to the fact that the number of the speakers is small, in order to increase the number of the speakers to improve the playing effect, the volume of the electronic device can be increased to arrange more speakers, however, the volume and the weight of the electronic device are increased, and the electronic device is inconvenient to carry.

Disclosure of Invention

The embodiment of the application relates to a control method, an electronic device and a play-out system.

The control method of the embodiment of the application is used for electronic equipment, the electronic equipment comprises at least one built-in loudspeaker and a communication interface, the communication interface can be used for connecting at least one external loudspeaker, and the control method comprises the following steps: controlling the communication interface to transmit audio data to the external loudspeaker; and controlling the built-in loudspeaker and the external loudspeaker to work according to the audio data to form multi-channel sound effect.

The electronic device of the embodiment of the application comprises at least one built-in loudspeaker, a communication interface and a processor, wherein the communication interface can be used for connecting at least one external loudspeaker, and the processor is used for executing the control method of the embodiment.

The external loudspeaker system comprises an external loudspeaker and the electronic equipment of the embodiment, wherein the external loudspeaker is connected with a communication interface of the electronic equipment.

According to the control method, the electronic equipment and the external playing system, the external loudspeaker is matched with the built-in loudspeaker to form the multi-channel sound effect, wherein the external loudspeaker is connected with the electronic equipment through the communication interface, so that the increase of the volume and the weight of the electronic equipment can be avoided, and the electronic equipment is convenient to carry.

Additional aspects and advantages of the present application 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 invention.

Drawings

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

FIG. 1 is a schematic flow chart of a control method according to some embodiments of the present application.

Fig. 2 and 3 are schematic structural views of a peripheral system according to some embodiments of the present application.

Fig. 4 to 6 are schematic flow charts of a control method according to some embodiments of the present disclosure.

Fig. 7 and 8 are schematic structural views of a peripheral system according to some embodiments of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the related art, a speaker of an electronic device (e.g., a mobile phone) is usually configured below the electronic device, or a speaker is separately configured from top to bottom, which is limited by the size of the electronic device, and the speaker is too small, which results in poor playing effect of the electronic device, and easily causes a problem of hole blockage when the electronic device is used in a horizontal screen. Therefore, in order to increase the number of speakers to improve the playing effect, the volume of the electronic device may be increased to provide more speakers, which, however, may increase the volume and weight of the electronic device and make the electronic device inconvenient to carry.

Referring to fig. 1 and fig. 2, the control method according to the embodiment of the present disclosure may be applied to an electronic device 100. The electronic device 100 comprises at least one built-in speaker 101 and a communication interface 102, the communication interface 102 being capable of being used for connecting at least one external speaker 200. The control method comprises the following steps:

02: controlling the communication interface 102 to transmit the audio data to the external speaker 200;

04: the built-in speaker 101 and the external speaker 200 are controlled to operate according to the audio data to form multi-channel sound effects.

Referring to fig. 2, the electronic device 100 according to the embodiment of the present disclosure includes at least one internal speaker 101, a communication interface 102, and a processor 103, where the communication interface 102 can be used to connect to at least one external speaker 200. The control method of the embodiment of the present application may be implemented by the electronic device 100 of the embodiment of the present application, and specifically, steps 02 and 04 may be implemented by the processor 103, that is, the processor 103 may be configured to: controlling the communication interface 102 to transmit the audio data to the external speaker 200; the built-in speaker 101 and the external speaker 200 are controlled to operate according to the audio data to form multi-channel sound effects.

According to the control method and the electronic device 100 of the embodiment of the application, the external speaker 200 is matched with the built-in speaker 101 to form the multi-channel sound effect, wherein the external speaker 200 is connected with the electronic device 100 through the communication interface 102, so that the increase of the volume and the weight of the electronic device 100 can be avoided, and the electronic device 100 is convenient to carry.

The electronic device 100 may include a mobile phone, a computer, etc., and the embodiment of the present application is described by taking the mobile phone as an example.

In some embodiments, the control method further comprises: and judging whether the mobile terminal is in a play-out mode, and executing steps 02 and 04 when the mobile terminal is in the play-out mode. That is, the processor 103 may also be configured to: and judging whether the mobile terminal is in a play-out mode, and executing steps 02 and 04 when the mobile terminal is in the play-out mode. In this way, when the speaker is in the loud mode, the speaker is operated to be able to radiate sound. Of course, when not in the play-out mode, for example, in the earpiece mode or the headset mode, the sound is played by using an earpiece of the electronic device or by using an external headset device.

In some embodiments, the control method further comprises: judging whether the built-in loudspeaker 101 is damaged or not, when the built-in loudspeaker 101 is damaged, using the external loudspeaker 200 to replace the built-in loudspeaker 101 to produce sound, and when the built-in loudspeaker 101 works normally, executing steps 02 and 04. That is, the processor 103 may also be configured to: judging whether the built-in loudspeaker 101 is damaged or not, when the built-in loudspeaker 101 is damaged, using the external loudspeaker 200 to replace the built-in loudspeaker 101 to produce sound, and when the built-in loudspeaker 101 works normally, executing steps 02 and 04. Therefore, when the built-in loudspeaker 101 is damaged, the external loudspeaker 200 can be used for normally playing audio, and when the built-in loudspeaker 101 works normally, the external loudspeaker 200 is matched with the built-in loudspeaker 101 to form multi-channel sound effect. The determination as to whether the built-in speaker 101 is broken can be made by detecting the temperature, the sound loudness, and the like of the built-in speaker 101. For example, when the temperature of the internal speaker 101 is higher than a preset temperature or the temperature change per unit time is higher than a preset temperature change rate during operation, it is determined that the internal speaker 101 is damaged (a problem such as hole blockage may occur). For another example, when the loudness of sound is smaller than the preset loudness when the internal speaker 101 is operating, it is determined that the internal speaker 101 is damaged (a problem such as hole blockage may occur).

Referring to fig. 2, in some embodiments, The communication interface 102 can be connected to The external speaker 200 through an OTG (ON-The-Go) adapter 300, The electronic device 100 transmits audio data to The OTG adapter 300, The audio data is an audio digital signal, The OTG adapter 300 includes a codec chip 320 and a power amplifier 340, The codec chip 320 is configured to convert The audio digital signal into an audio analog signal, and The power amplifier 340 is configured to amplify The audio analog signal and output The audio analog signal to The external speaker 200.

Specifically, the communication interface is, for example, a typec interface, when the communication interface 102 and the external speaker 200 are connected through the OTG adapter 300, the electronic device 100 may serve as a downlink Port (DFP), the external speaker 200 may serve as an uplink Port (UFP), and the electronic device 100 transmits audio data to the OTG adapter 300 and supplies power to the OTG adapter 300 through VBUS. The codec chip 320 may be configured to convert an audio digital signal (D + D-signal) at the type c interface into an audio analog signal, the Power Amplifier 340 (PA) may amplify the audio analog signal, and the amplified audio analog signal is transmitted to the external speaker 200 to drive the external speaker 200 to generate sound.

In some embodiments, the communication interface 102 can be used to connect two external speakers 200, the codec 320 converts the audio digital signal into two audio analog signals, the two audio analog signals are amplified by two power amplifiers 340 respectively and then transmitted to the corresponding external speakers 200, the two power amplifiers 340 include, for example, a first power amplifier and a second power amplifier, the two external speakers 200 include, for example, a left channel external speaker and a right channel external speaker, the first power amplifier transmits the amplified audio analog signal R + R "to the right channel external speaker, and the second power amplifier transmits the amplified audio analog signal L + L" to the left channel external speaker. Of course, the communication interface 102 can also be used to connect two or more external speakers 200, and is not limited in any way.

In other embodiments, the communication interface 102 may also be other interfaces such as a type a interface and a type b interface in the USB interface, and is not limited specifically herein.

Referring to fig. 3, in some embodiments, the OTG adapter 300 includes a tensile cord 360, and the external speaker 200 is connected to the power amplifier 340 through the tensile cord 360.

Specifically, the length of tensile rope 360 can change, contains the connecting wire in tensile rope 360, so, because the existence of tensile rope 360, external speaker 200's the position of setting is more nimble to can guarantee that external speaker 200 keeps being connected with power amplifier 340. In some embodiments, the number of tensile cords 360 is the same as the number of external speakers 200, and the tensile cords 360 correspond to the external speakers 200 one-to-one. In one embodiment, the communication interface 102 can be used to connect two external speakers 200, and the OTG adapter 300 includes two tensile cords 360, and the two tensile cords 360 are respectively connected to the corresponding external speakers 200.

In other embodiments, the external speaker 200 may also be directly connected to the communication interface 102 without the OTG adapter 300, which is not limited herein. In another embodiment, the tensile cord 360 may be replaced with an elastic member including a connecting line, which may vary in shape such as length, height, width, etc., and is not particularly limited herein.

Referring to fig. 3 and 4, in some embodiments, the electronic device 100 further includes a position detecting element 104, and the control method further includes:

06: controlling the position detecting element 104 to detect the position of the external speaker 200;

step 04 (controlling the operation of the internal speaker 101 and the external speaker 200 according to the audio data to form multi-channel sound effect), including:

042: and controlling the external speaker 200 to work according to the position of the external speaker 200.

Referring to fig. 1 and 3, in some embodiments, the electronic device 100 further includes a position detecting element 104, and steps 06 and 042 may be implemented by the processor 103, that is, the processor 103 may be configured to: controlling the position detecting element 104 to detect the position of the external speaker 200; and controlling the external speaker 200 to work according to the position of the external speaker 200.

Thus, the external speaker 200 is controlled to operate according to the position of the external speaker 200, so that the sound field effect of the external speaker 200 is better.

Specifically, the position detection element 104 may be an element capable of detecting the position of the external speaker 200. After the position of the external speaker 200 is determined, the external speaker 200 may be controlled to operate according to the position of the external speaker 200. In some embodiments, there is a first corresponding relationship between the position of the external speaker 200 and the sound effect parameters of the external speaker 200, and the first corresponding relationship may be stored in the electronic device 100 or in the OTG converter 300 (for example, in the power amplifier 340), and after determining the current position of the external speaker 200, the processor 103 may determine the current sound effect parameters of the external speaker 200 according to the current position and the first corresponding relationship. The sound effect parameters may be, for example, phase, frequency response, etc.

Referring to fig. 5, in some embodiments, the internal speaker 101 is disposed at a predetermined position of the electronic device 100, and step 04 (controlling the internal speaker 101 and the external speaker 200 to operate according to audio data to form multi-channel sound effects) includes:

044: and controlling the operation of the built-in loudspeaker 101 and the external loudspeaker 200 according to the preset position and the position of the external loudspeaker 200 to form multi-channel sound effect.

Referring to fig. 1 and 3, in some embodiments, the internal speaker 101 is disposed at a predetermined position of the electronic device 100, and step 044 may be implemented by the processor 103, that is, the processor 103 may be configured to control the internal speaker 101 and the external speaker 200 to operate to form a multi-channel sound effect according to the predetermined position and the position of the external speaker 200.

In this way, the operation of the internal speaker 101 and the external speaker 200 is controlled according to the preset position of the internal speaker 101 and the position of the external speaker 200, and a multi-channel sound effect with better sound field effect can be formed.

Specifically, the position information of the internal speaker 101 may be stored in the electronic device 100 in advance, and the preset position of the internal speaker 101 may be determined according to the position information. After the preset position of the internal speaker 101 and the position of the external speaker 200 are determined, the operation of the internal speaker 101 and the external speaker 200 may be controlled according to the preset position of the internal speaker 101 and the position of the external speaker 200. In some embodiments, there is a first corresponding relationship between the position of the external speaker 200 and the sound effect parameters of the external speaker 200, and there is a second corresponding relationship between the preset position of the internal speaker 101 and the internal speaker 101, where the first corresponding relationship may be stored in the electronic device 100 or in the OTG converter 300 (for example, in the power amplifier 340), the second corresponding relationship may be stored in the electronic device 100, the processor 103 may determine the current sound effect parameters of the external speaker 200 according to the current position of the external speaker 200 and the first corresponding relationship, and determine the sound effect parameters of the internal speaker 101 according to the preset position of the internal speaker 101 and the second corresponding relationship. The sound effect parameters may be, for example, phase, frequency response, etc.

Referring to fig. 6, in some embodiments, the external speaker 200 includes a permanent magnet, the position detecting element 104 includes a hall sensor, and step 06 (controlling the position detecting element 104 to detect the position of the external speaker 200) includes:

062: the hall sensor is controlled to detect the magnetic field of the permanent magnet to determine the position of the external speaker 200.

Referring to fig. 1 and 3, in some embodiments, the external speaker 200 includes a permanent magnet, the position detecting element 104 includes a hall sensor, and the step 062 may be implemented by the processor 103, that is, the processor 103 may be configured to control the hall sensor to detect a magnetic field of the permanent magnet to determine the position of the external speaker 200.

Thus, the position of the external speaker 200 can be quickly and accurately determined by the hall sensor.

In one embodiment, external speaker 200 may include a permanent magnet and a voice coil that generates a magnetic field that varies with the audio current when the audio current is passed through, the magnetic field interacting with the magnetic field of the permanent magnet to cause the voice coil to vibrate and generate sound. Due to the existence of the permanent magnet, the external speaker 200 has a preset magnetic field, and the hall sensor can detect the corresponding magnetic flux change, thereby determining the position of the external speaker 200.

In some embodiments, the external speakers 200 are in one-to-one correspondence with the hall sensors, i.e., one external speaker 200 may be equipped with one hall sensor to detect its corresponding position. For example, the communication interface 102 can be used to connect two external speakers 200, the two external speakers 200 include, for example, a first external speaker and a second external speaker, and the position detecting element 104 can include a first hall sensor for detecting a position of the first external speaker and a second hall sensor for detecting a position of the second external speaker.

Referring to fig. 3, in some embodiments, the electronic device 100 includes a first side 1051 and a second side 1052, the first side 1051 is longer than the second side 1052, the internal speaker 101 is disposed at a predetermined position on the second side 1052, and the external speaker 200 is disposed at an arbitrary position on the first side 1051.

Thus, the built-in speaker 101 and the external speaker 200 are respectively disposed on different sides of the electronic device 100, so that a better multi-channel sound effect can be achieved in a matching manner. Specifically, the electronic device 100 may be a rectangular parallelepiped, the first side 1051 may be a long side of the electronic device 100, the second side 1052 may be a short side of the electronic device 100, the first side 1051 includes a left side and a right side, the second side 1052 includes an upper side and a lower side, the number of the internal speakers 101 is two, for example, the two internal speakers 101 are respectively disposed at preset positions inside the upper side and the lower side (inside of the electronic device 100), and the two external speakers 200 are respectively disposed at arbitrary positions outside the left side and the right side (outside of the electronic device 100), so that the internal speakers 101 and the external speakers 200 can cooperate to realize a stereo multi-channel sound effect. The hall sensors may be disposed inside the left and right sides (inside the electronic device 100), and in one embodiment, the hall sensors are disposed near the upper side among the inside of the left and right sides. In addition, the external speaker 200 disposed on the first side 1052 may be connected to the communication interface 102 via the tensile cord 360 of the OTG adapter 300, thereby facilitating adjustment of the position of the external speaker 200 to enable the external speaker 200 to be located anywhere on the first side 1051.

Referring to fig. 7, in some embodiments, coordinate axis configuration may be performed on the mobile phone, and the first side 1051 may be divided into multiple sections, for example, the first side 1051 may be divided into four equal parts, the external speaker 200 is disposed at each position on the first side 1051, and a magnetic flux change detected by the hall sensor corresponding to the external speaker 200 at each position is determined, so as to calibrate and obtain a corresponding relationship between the magnetic flux change of the hall sensor and the position of the external speaker 200. In addition, after the external speaker 200 is disposed at each position on the first side 1051, the sound effect parameters of each external speaker 200 can be adjusted, so as to calibrate and obtain the corresponding relationship between the position of the external speaker 200 and the sound effect parameters of the external speaker 200.

Referring to fig. 3, in some embodiments, the electronic device 100 includes a magnetic member 106, the magnetic member 106 is disposed inside the first side 1051, and the external speaker 200 is attached to any position on the first side 1051 through the magnetic member 106.

In this way, the external speaker 200 can be attracted by the magnetic member so that the external speaker 200 is mounted on the electronic device 100. The magnetic member 106 may be a thin magnet, and the magnetic member 106 may be disposed inside the left side and the right side (inside the electronic device 100).

It should be noted that the internal speaker 101 may be disposed at any preset position on the electronic device 100, and the external speaker 200 may be disposed at any position on the electronic device, which is not limited herein.

In other embodiments, the internal speaker 101 may be disposed at a predetermined position on the first side 1051, and the external speaker 200 may be disposed at any position on the second side 1052. In another embodiment, the first side 1051 includes a left side and a right side, the second side 1052 includes an upper side and a lower side, the built-in speakers 101 include two, one built-in speaker 101 is disposed at a predetermined position on the left side, and the other built-in speaker 101 is disposed at a predetermined position on the lower side; the external speaker 200 includes two external speakers 200, one external speaker 200 is disposed at an arbitrary position on the right side, and the other external speaker 200 is disposed at an arbitrary position on the upper side.

Referring to fig. 3 and 8, in some embodiments, the electronic device 100 includes a front side 1053 and a back side 1054 opposite to each other, the front side 1053 is provided with a display screen, and the external speaker 200 is provided on the back side 1054.

In this way, the external speaker 200 using the rear surface 1054 can form a more stereoscopic multi-channel sound effect. The external speaker 200 may be a subwoofer, and a subwoofer experience is provided by using the subwoofer, and a 5.1 channel may be realized by combining the built-in speaker 101 and the external speaker 200. In one embodiment, the electronic device 100 may be a folder, and may be specifically an inner folder or an outer folder, which may fold along an intermediate fold line. The electronic device 100 may be provided with two built-in speakers 101 and three external speakers 200 connected thereto, wherein, when the folder is in the unfolded state, two external speakers 200 may be disposed on the side of the electronic device 100, and another external speaker 200 may be disposed on the back 1054 of the electronic device 100, and the two built-in speakers 101 and the three external speakers 200 may cooperate to realize a 5.1 sound channel.

Referring to fig. 1, a peripheral system 1000 according to an embodiment of the present disclosure includes an external speaker 200 and an electronic device 100 according to any one of the above embodiments, where the external speaker 200 is connected to a communication interface 102 of the electronic device 100.

It is worth mentioning that the processor 103 may be referred to as a driver board. The driver board may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.

In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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 the scope of the preferred embodiments of the present application includes other implementations 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 present application.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.