WO2023020112A1 - 音频播放装置、终端和音频控制方法 - Google Patents
音频播放装置、终端和音频控制方法 Download PDFInfo
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- WO2023020112A1 WO2023020112A1 PCT/CN2022/100462 CN2022100462W WO2023020112A1 WO 2023020112 A1 WO2023020112 A1 WO 2023020112A1 CN 2022100462 W CN2022100462 W CN 2022100462W WO 2023020112 A1 WO2023020112 A1 WO 2023020112A1
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- 238000013461 design Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Definitions
- the present application relates to the technical field of consumer electronics, in particular to an audio playback device, a terminal and an audio control method.
- Embodiments of the present application provide an audio playback device, a terminal, and an audio control method.
- the audio playback device in the embodiment of the present application includes a housing, two first speakers and one second speaker.
- the second speaker is arranged between the two first speakers, the two first speakers respectively output the left channel signal and the right channel signal, and the second speaker outputs the left channel signal and the The audio signal after mixing the right channel signal.
- the terminal in the embodiment of the present application includes a casing and an audio playback device.
- the audio playing device is arranged in the casing.
- the audio playback device includes a housing, two first speakers and one second speaker.
- the second speaker is arranged between the two first speakers, the two first speakers respectively output the left channel signal and the right channel signal, and the second speaker outputs the left channel signal and the The audio signal after mixing the right channel signal.
- the audio control method in the embodiment of the present application includes outputting a left channel signal through a first speaker; outputting a right channel signal through another first speaker; outputting the signal through a second speaker located between the two first speakers.
- Fig. 1 is a schematic front view of a terminal in some embodiments of the present application.
- Fig. 2 is a schematic diagram of the rear of a terminal in some embodiments of the present application.
- Fig. 3 is a schematic front view of a terminal in some embodiments of the present application.
- Fig. 4 is a schematic flowchart of an audio control method in some embodiments of the present application.
- Fig. 5 is a schematic flowchart of an audio control method in some embodiments of the present application.
- Fig. 6 is a schematic flowchart of an audio control method in some embodiments of the present application.
- the audio playback device 10 of the present application includes a housing 11 , two first speakers 12 and one second speaker 13 .
- the second loudspeaker 13 is arranged between the two first loudspeakers 12, and the two first loudspeakers 12 output the left channel signal and the right channel signal respectively, and the second loudspeaker 13 outputs the left channel signal and the right channel signal after mixing audio signal.
- the casing 11 includes a top wall 111 , a bottom wall 112 and a side wall 113 , the two first speakers 12 are respectively disposed on the top wall 111 and the bottom wall 112 , and the second speaker 13 is disposed on the side wall 113 .
- the connecting lines of the two first speakers 12 are parallel to the side wall 113 , and the audio output parameters of the two first speakers 12 are the same.
- the second speaker 13 is disposed on the side wall 113 at the same distance from the two first speakers 12 .
- the housing 11 further includes a front 114 and a back 115 opposite to each other, the top wall 111 and the bottom wall 112 of the two first speakers 12 are respectively arranged, and the second speaker 13 is arranged on the back. 115.
- the audio playback device 10 further includes a battery 14 , which is in a ring shape, and the battery 14 is arranged around the second speaker 13 .
- the audio playback device 10 further includes a circuit board 15 and a battery 14, the circuit board 15 is arranged in the casing 11, and the circuit board 15 includes a first sub-board 151 and a second sub-board 151 connected to each other.
- the sub-board 152 , the first sub-board 151 and the second sub-board 152 are vertical, the first sub-board 151 , the second sub-board 152 and the housing 11 enclose a receiving space 120 , and the battery 14 is disposed in the receiving space 120 .
- the housing 11 is provided with a first sound outlet 117 and a second sound outlet 118, the first sound outlet 117 is opposite to the sound cavity of the first speaker 12, and the second sound outlet 118 is connected to the second sound outlet 118.
- the sound cavities of the two loudspeakers 13 are arranged oppositely.
- the volume of the sound cavity of the second speaker 13 is larger than the volume of the sound cavity of the first speaker 12 .
- the housing 11 is a part of the casing 20, the housing 11 includes three sub-housings, and two first speakers 12 and one second speaker 13 are respectively arranged in the three sub-housings.
- the housing 11 includes a top wall 111 , a bottom wall 112 and a side wall 113 , the top wall 111 and the bottom wall 112 are provided with a first sound outlet 117 , and the side wall 113 is provided with a second sound outlet 118 Or, the two opposite side walls 113 are provided with a first sound outlet 117, and the bottom wall 112 is provided with a second sound outlet 118; or, the housing 11 also includes opposite fronts 114 and back 115, and the top wall 111 and the bottom wall 112 are provided with a first sound outlet 117 , and the back 115 is provided with a second sound outlet 118 .
- the two first speakers 12 adopt a symmetrical design.
- the second speaker 13 is disposed close to the side wall 113 .
- a terminal 100 in an embodiment of the present application includes a housing 20 and an audio playback device 10 in any of the above-mentioned embodiments, and the audio playback device 10 is disposed in the housing 20 .
- the audio control method of the embodiment of the present application includes:
- 011 output the left channel signal through a first speaker 12;
- 013 output the audio signal after the left channel signal and the right channel signal are mixed through the second speaker 13 located between the two first speakers 12 .
- the audio signal after the left channel signal and the right channel signal are mixed is output through the second speaker 13 located between the two first speakers 12, including:
- the audio signal after the left channel signal and the right channel signal are mixed is output through the second speaker 13 located between the two first speakers 12, including:
- the audio control method also includes:
- 014 Detect whether the left channel signal and/or the right channel signal is abnormal
- the audio control method also includes:
- 017 When there are multiple audio input signals, control the two first speakers 12 to output one audio input signal, and the second speaker 13 to output the remaining input audio signals among the multiple audio input signals.
- the audio control method also includes:
- the two first speakers 12 are controlled to output one audio input signal, and the second speaker 13 outputs the remaining input audio signals among the multiple audio input signals.
- controlling the two first speakers 12 to output the left channel signal and the right channel signal respectively includes:
- the two first speakers 12 are controlled to output the stereo audio signal after the left channel signal and the right channel signal are mixed.
- an audio playback device 10 includes a casing 11 , two first speakers 12 and one second speaker 13 .
- the second loudspeaker 13 is arranged between the two first loudspeakers 12, and the two first loudspeakers 12 output the left channel signal and the right channel signal respectively, and the second loudspeaker 13 outputs the left channel signal and the right channel signal after mixing audio signal.
- the audio playback device 10 of the present application realizes the output of the left channel signal and the right channel signal by arranging two first loudspeakers 12 in the housing 11, so that the audio playback device 10 can not only realize stereo audio output, but also by being arranged in
- the second loudspeaker 13 between the two first loudspeakers 12 realizes the output of the audio signal after the left channel signal and the right channel signal are mixed, to enhance the loudness and sound field of the stereo audio, and improve the playback sound quality of the audio playback device 10 .
- a terminal 100 includes a casing 20 and an audio playback device 10 .
- the audio playback device 10 is mounted on the casing 20.
- the terminal 100 may be a smart watch, a mobile phone, a tablet computer, a display device, a notebook computer, a teller machine, a gate, a head-mounted display device, a game console, and the like. As shown in FIG. 2 , the embodiment of the present application is described by taking the terminal 100 as an example of a mobile phone. It can be understood that the specific form of the terminal 100 is not limited to the mobile phone.
- the case 20 can also be used to install functional modules such as a display device, an imaging device, a power supply device, and a communication device of the terminal 100, so that the case 20 provides protection against dust, drops, and water for the functional modules.
- the audio playback device 10 includes a casing 11 , two first speakers 12 , one second speaker 13 , a battery 14 and a circuit board 15 . Both the first speaker 12 and the second speaker 13 are arranged in the casing 11 .
- the casing 11 can be a part of the casing 20.
- the casing 11 includes a plurality of sub-housings (for example, 3), and the plurality of sub-housings are fixedly mounted on the casing 20 (or integrally formed with the casing 20).
- the first speaker 12 and the second speaker 13 are respectively arranged in three sub-housings to isolate the speaker from other functional components in the terminal 100 and prevent the audio vibration of the speaker from affecting other functional components.
- the casing 11 is the case 20 , and the two first speakers 12 and the second speaker 13 are both arranged in the casing 11 , that is, the two first speakers 12 and the second speakers 13 are both arranged in the casing 20 .
- the casing 11 is the casing 20 .
- the housing 11 includes a top wall 111 , a bottom wall 112 , a side wall 113 , a front side 114 and a back side 115 .
- Top wall 111 is opposite to bottom wall 112
- front side 114 is opposite to back side 115
- side wall 113 connects top wall 111 and bottom wall 112
- top wall 111 , bottom wall 112 and side wall 113 connect front side 114 to back side 115 .
- the top wall 111, the bottom wall 112, the side walls 113, the front side 114 and the back side 115 encircle an accommodating space 116, and two first speakers 12, a second speaker 13, a battery 14 and a circuit board 15 are all arranged in the accommodating space 116 .
- Both the top wall 111 and the bottom wall 112 are provided with a first sound outlet 117, and the side wall 113 is provided with a second sound outlet 118, so that the two first speakers 12 and the second speaker 13 arranged in the casing 11 output audio from the first sound outlet 117 and the second sound outlet 118 respectively, so as to realize the stereo output when the terminal 100 is displayed on the horizontal screen; in another embodiment, two opposite side walls 113 are provided with first The sound outlet 117, the bottom wall 112 is provided with a second sound outlet 118, so that the audio output from the two first speakers 12 and the second speaker 13 arranged in the casing 11 are respectively output from the first sound outlet 117 and the second sound outlet.
- the second sound outlet hole 118 goes out, so as to realize the stereo output when the terminal 100 is displayed on the vertical screen; Sound hole 118, so that the audio output from the two first speakers 12 and the second speaker 13 arranged in the casing 11 go out from the first sound outlet 117 and the second sound outlet 118 respectively, so as to realize the horizontal screen of the terminal 100 Stereo output during display, and the second sound outlet 118 on the back side 115 is not easily blocked when the terminal 100 is held.
- both the top wall 111 and the bottom wall 112 are provided with a first sound outlet hole 117
- the back surface 115 is provided with a second sound outlet hole 118 .
- the two first speakers 12 are provided at the position where the first sound outlet 117 is located, such as the first sound outlet 117 of the top wall 111 and the first sound outlet 117 of the bottom wall 112 corresponding to the two first speakers 12 .
- Position, or, two first loudspeakers 12 are arranged in the position corresponding to the first sound outlet hole 117 of two opposite sidewalls 113 respectively, and the sound chamber of the first loudspeaker 12 is arranged opposite to the first sound outlet hole 117, so that The left channel signal and the right channel signal respectively output by the two first speakers 12 go out directly from the corresponding first sound outlet 117 , which shortens the propagation path of audio in the housing 11 and reduces audio loss.
- the two first loudspeakers 12 adopt a symmetrical design, and the connecting lines of the two first loudspeakers 12 are parallel to the side walls 113 (such as the connecting lines of the centers of the two first loudspeakers 12 are parallel to the side walls 113, and the connecting lines of the two first loudspeakers 12 It can be the same speaker, that is, the audio output parameters of the two first speakers 12 are the same, compared with the current two speakers, most of which are asymmetrical designs, such as one for the earpiece and one for the bottom speaker, the sound field equalization of the asymmetrical dual speakers In terms of poor performance, the two first speakers 12 of a symmetrical design allow the user to receive a substantially balanced sound field from the two first speakers 12 when holding the terminal 100.
- the two first speakers 12 can also be asymmetrical.
- one of the first speakers 12 is used as an earpiece (generally with poor performance).
- the performance of the first speaker 12 that is not used as an earpiece can be reduced, so that the two second speakers
- the audio output performance of a loudspeaker 12 is basically consistent, so as to ensure the balance of the sound field.
- the second speaker 13 is disposed at the position where the second sound outlet 118 is located.
- the second speaker 13 is arranged at the position where the second sound outlet 118 of the side wall 113 is located, or the second speaker 13 is arranged at the position where the second sound outlet 118 of the back side 115 is located, and the sound chamber of the second speaker 13 and The second sound outlet 118 is oppositely arranged, so that the audio signal after mixing the left channel signal and the right channel signal output by the second loudspeaker 13 directly goes out from the second sound outlet 118, shortening the transmission of audio in the housing 11 path, reducing audio loss.
- the second loudspeaker 13 is arranged between the two first loudspeakers 12, and the distance between the second loudspeaker 13 and the two first loudspeakers 12 is the same, such as the connecting line between the center of the second loudspeaker 13 and the center of each first loudspeaker 12 of the same length. In this way, it can be ensured that the sound field balance of the two first speakers 12 will not be affected when the second speaker 13 enhances the sound fields of the two first speakers 12 .
- the speaker 13 When the second speaker 13 is arranged on the back side 115, compared with being arranged on the edge of the casing 11 (such as the top wall 111, the bottom wall 112 and the side wall 113), the speaker is less affected by the width available for installation at the edge of the casing 11, As far as the volume cannot be too large, the space in the casing 11 is large, and the volume of the sound cavity of the second speaker 13 can be larger than that of the first speaker 12, thereby realizing the large sound cavity design of the second speaker 13, Improve the sound effect of the second speaker 13 .
- sound cavity comprises front cavity and back cavity
- the volume of the front cavity of second loudspeaker 13 can be set greater than the volume of the front cavity of first loudspeaker 12, in order to enhance the sound reinforcement effect of second loudspeaker 13
- the volume of the back cavity of the second speaker 13 can be set larger than the volume of the back cavity of the first speaker 12 .
- the battery 14 in order to expand the volume of the sound cavity of the second loudspeaker 13, when designing the battery 14, the battery 14 can be arranged as a ring, the ring battery 14 is installed in the housing 11 (such as being arranged on the back side 115), and the ring battery 14 Surrounded the installation space 119 of the second loudspeaker 13, thereby the second loudspeaker 13 of large sound cavity can be set in the installation space 119 of the second loudspeaker 13, or a plurality of second loudspeakers 13 are set, that is, the annular battery 14 surrounds the second loudspeaker 13. Speaker 13 setup.
- the battery 14 is arranged at the center of the housing 11, the circuit board 15 includes a first sub-board 151 and a second sub-board 152, which are respectively arranged on both sides of the ring-shaped battery 14, and the second loudspeaker 13 is located in the ring-shaped battery.
- the center of the installation space 119 can be set equal to the center of each first speaker 12, so as to ensure that after the second speaker 13 is installed in the installation space 119, the second speaker 13 When the sound fields of the two first speakers 12 are enhanced, the sound field balance of the two first speakers 12 will not be affected.
- the second speaker 13 is arranged on the side wall 113 or the second speaker 13 is arranged on the back side 115 , but is arranged close to the side wall 113 . Therefore, the second loudspeaker 13 is not affected by the narrow width of the side wall 113 , and a large sound cavity design is realized.
- the first sub-board 151 and the second sub-board 152 are vertically arranged to form an "L"-shaped circuit board 15, and the first sub-board 151, the second sub-board 152 and the housing 11 form a storage space 120 for accommodating batteries. 14 .
- the battery 14 may be rectangular, and is arranged in the receiving space 120 .
- the audio control method of the embodiment of the present application is applied to the audio playback device 10 of any of the above embodiments, and the audio control method includes:
- 011 output the left channel signal through a first speaker 12;
- 013 output the audio signal after the left channel signal and the right channel signal are mixed through the second speaker 13 located between the two first speakers 12 .
- the audio playback device 10 also includes a processor 16, which can be used to control the two first speakers 12 to output the left channel signal and the right channel signal respectively; through the second speaker 13 output between the two first speakers 12 The audio signal after mixing the left channel signal and the right channel signal.
- a processor 16 which can be used to control the two first speakers 12 to output the left channel signal and the right channel signal respectively; through the second speaker 13 output between the two first speakers 12 The audio signal after mixing the left channel signal and the right channel signal.
- step 011 and step 012 can be implemented by the processor 16 in cooperation with the two first speakers 12
- step 013 can be implemented by the processor 16 in cooperation with the second speaker 13 .
- the audio playback device 10 when the audio playback device 10 performs audio output on the input audio signal, it first obtains the left channel signal and the right channel signal in the input audio signal, and then outputs the left channel signal and the right channel signal through two first speakers 12 respectively. channel signals to output stereo sound through the two first speakers 12. Then, the processor 16 mixes the left channel signal and the right channel to output the mixed signal.
- the left channel signal and the right channel signal are mixed to generate a stereo audio signal, and the second loudspeaker 13 is controlled to output a stereo audio signal, thereby realizing stereo enhancement and improving the loudness and sound field of the audio playback device 10;
- the left channel signal and the right channel signal are mixed to generate a stereo audio signal;
- the stereo audio signal is filtered to filter out the mid-high frequency audio signal in the stereo audio signal, thereby generating a low frequency audio signal; then controlling the second loudspeaker 13
- the low-frequency audio signal is output, so as to achieve low-frequency enhancement and improve the loudness and sound field of the audio playback device 10 .
- each first speaker 12 when the left channel signal and the right channel signal are respectively output through the two first speakers 12, each first speaker 12 can be controlled to output the left channel signal and the right channel signal simultaneously, and the first speaker 12 When the left channel signal and the right channel signal are simultaneously output, they can be mixed to obtain a stereo audio signal, and then output, that is to say, the two first speakers 12 both output stereo audio signals, thereby enhancing the stereo audio output loudness and sound field.
- the audio control method also includes:
- 014 Detect whether the left channel signal and/or the right channel signal is abnormal
- the processor 16 can be used to detect whether the left channel signal and/or the right channel signal are abnormal; if the left channel signal or the right channel signal is abnormal, then control the first speaker that does not appear abnormal 12 and the second loudspeaker 13 respectively output the left channel signal and the right channel signal; Stereo audio signal generated after sound. That is to say, step 014 , step 015 and step 016 may be implemented by the processor 16 .
- the first speaker 12 and/or the second speaker 13 may be blocked or even damaged, resulting in a small sound or even no sound, and the first speaker 12 outputs the left channel signal
- the first speaker 12 can detect the abnormality of the left channel signal and the right channel signal, for example, when the first speaker 12 is blocked, the reflection intensity of the left channel signal and the right channel signal in the sound cavity is relatively high
- the second loudspeaker 13 was blocked, the reflection intensity of the audio signal after the mixing of the left channel signal and the right channel signal was higher in the sound cavity, therefore, the first loudspeaker 12 (second loudspeaker 13) output can be detected.
- the audio parameters of the audio signal are abnormal (such as whether the loudness is greater than a predetermined loudness is determined to be blocked, and when there is no loudness, it can be determined to be damaged), to determine whether there is an abnormality in the first speaker 12 (second speaker 13).
- the left channel signal and the right channel signal can be output respectively through the first speaker 12 and the second speaker 13 that have not occurred abnormality. channel signal, so as to realize the stereo output after the hole is plugged or damaged. And when there is abnormality in both the left channel signal and the right channel signal (that is, there is abnormality in both first speakers 12), then the left channel signal and the right channel signal are directly outputted through the second speaker 13 and generated after mixing Stereo audio signal, so as to achieve stereo output after plugging or damage.
- the two first speakers 12 When the audio signal output by the second speaker 13 is abnormal, the two first speakers 12 output the left channel signal and the right channel signal respectively, so as to realize the stereo output after the hole is blocked or damaged. In this way, no matter the first speaker 12 or the second speaker 13 is blocked or damaged, stereo output can be realized.
- the audio control method also includes:
- 017 When there are multiple audio input signals, control the two first speakers 12 to output one audio input signal, and the second speaker 13 to output the remaining input audio signals among the multiple audio input signals.
- the processor 16 is also used to control the two first speakers 12 to output one audio input signal when there are multiple audio input signals, and the second speaker 13 to output the rest of the multiple audio input signals. audio signal. That is to say, step 017 may be implemented by the processor 16 .
- the terminal 100 when the terminal 100 is performing audio output, there may be multiple audio input signals, such as audio signals output from different application programs as an audio input signal, such as an application program that simultaneously plays the black voice on the audio playback device 10.
- an audio input signal such as an application program that simultaneously plays the black voice on the audio playback device 10.
- the processor 16 can use the audio input signal B as the main audio, and output the left channel signal and the right channel signal of the main audio through the two first speakers 12, thereby assisting the user to operate
- the audio input signal A is used as the background audio
- the left channel signal and the right channel signal of the background audio are mixed, and then the generated stereo audio signal is output through the second speaker 13 .
- one of the audio input signals is used as the main audio, and is output through the two first loudspeakers 12, and the remaining audio input signals in the various audio input signals are used as background audio, and are output through the second speaker 12.
- Two loudspeakers 13 output.
- the audio playback device 10, the terminal 100 and the audio control method in the embodiment of the present application realize the output of the left channel signal and the right channel signal by arranging two first speakers 12 in the casing 11, so that the audio playback device 10 not only Stereo audio output can be realized, and the output of the audio signal after the left channel signal and the right channel signal are mixed is realized through the second speaker 13 arranged between the two first speakers 12, so as to enhance the loudness and sound field of the stereo audio , the playback sound quality of the audio playback device 10 is improved. And when there is an abnormality in the first speaker 12 or the second speaker 13, stereo output can still be realized.
- different audio input signals can be played through the first speaker 12 and the second speaker 13 respectively, so as to adapt to different audio playback scenarios of the terminal 100 .
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Abstract
一种音频播放装置 (10)、终端 (100) 和音频控制方法。音频播放装置(10)包括壳体(11)、两个第一扬声器(12)和一个第二扬声器(13)。第二扬声器 (13 )设置在两个第一扬声器( 12) 之间，两个第一扬声器(12)分别输出左声道信号和右声道信号，第二扬声器(13)输出左声道信号和右声道信号混音后的音频信号。
Description
优先权信息
本申请请求2021年8月17日向中国国家知识产权局提交的、专利申请号为202110941417.8的专利申请的优先权和权益，并且通过参照将其全文并入此处。
本申请涉及消费性电子技术领域，尤其是涉及一种音频播放装置、终端和音频控制方法。
随着时代的发展，电子设备所集成的功能越来越多。
发明内容
本申请的实施方式提供一种音频播放装置、终端和音频控制方法。
本申请实施方式的音频播放装置包括壳体、两个第一扬声器和一个第二扬声器。所述第二扬声器设置在两个所述第一扬声器之间，两个所述第一扬声器分别输出左声道信号和右声道信号，所述第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号。
本申请实施方式的终端包括机壳和音频播放装置。所述音频播放装置设置在所述机壳内。所述音频播放装置包括壳体、两个第一扬声器和一个第二扬声器。所述第二扬声器设置在两个所述第一扬声器之间，两个所述第一扬声器分别输出左声道信号和右声道信号，所述第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号。
本申请实施方式的所述音频控制方法包括通过一个第一扬声器输出左声道信号；通过另一个第一扬声器输出右声道信号；通过位于两个第一扬声器之间的第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号。
本申请的实施方式的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实施方式的实践了解到。
本申请的实施方式的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本申请某些实施方式的终端的正面示意图。
图2是本申请某些实施方式的终端的背面示意图。
图3是本申请某些实施方式的终端的正面示意图。
图4是本申请某些实施方式的音频控制方法的流程示意图。
图5是本申请某些实施方式的音频控制方法的流程示意图。
图6是本申请某些实施方式的音频控制方法的流程示意图。
以下结合附图对本发明的实施方式作进一步说明。附图中相同或类似的标号自始至终表示相同或类似的元件或具有相同或类似功能的元件。
另外，下面结合附图描述的本发明的实施方式是示例性的，仅用于解释本发明的实施方式，而不能理解为对本发明的限制。
请参阅图1，本申请的音频播放装置10包括壳体11、两个第一扬声器12和一个第二扬声器13。第二扬声器13设置在两个第一扬声器12之间，两个第一扬声器12分别输出左声道信号和右声道信号，第二扬声器13输出左声道信号和右声道信号混音后的音频信号。
在某些实施方式中，壳体11包括顶壁111、底壁112和侧壁113，两个第一扬声器12分别设置的顶壁111和底壁112，第二扬声器13设置在侧壁113。
在某些实施方式中，两个第一扬声器12的连线平行侧壁113，且两个第一扬声器12的音频输出参数相同。
在某些实施方式中，第二扬声器13设置在侧壁113且与两个第一扬声器12的距离相同。
请结合图2，在某些实施方式中，壳体11还包括相背的正面114和背面115，两个第一扬声器12分别设置的顶壁111和底壁112，第二扬声器13设置在背面115。
在某些实施方式中，音频播放装置10还包括电池14，电池14呈环形，电池14环绕第二扬声器13设置。
请结合图3，在某些实施方式中，音频播放装置10还包括电路板15和电池14，电路板15设置在壳体11内，电路板15包括相互连接的第一子板151和第二子板152，第一子板151和第二子板152垂直，第一子板151、第二子板152和壳体11围成收容空间120，电池14设置在收容空间120。
在某些实施方式中，壳体11开设第一出音孔117和第二出音孔118，第一出音孔117与第一扬声器12的音腔相对设置，第二出音孔118与第二扬声器13的音腔相对设置。
在某些实施方式中，第二扬声器13的音腔的体积大于第一扬声器12的音腔的体积。
在某些实施方式中，壳体11为机壳20的一部分，壳体11包括三个子壳体，两个第一扬声器12和一个第二扬声器13分别设置3个子壳体内。
在某些实施方式中，壳体11包括顶壁111、底壁112和侧壁113，顶壁111和底壁112开设有第一出音孔117，侧壁113开设有第二出音孔118；或者，相对的两个侧壁113均开设有第一出音孔117，底壁112开设有第二出音孔118；或者，壳体11还包括相背的正面114和背面115，顶壁111和底壁112开设有第一出音孔117，背面115开设有第二出音孔118。
在某些实施方式中，两个第一扬声器12采用对称式设计。
在某些实施方式中，第二扬声器13靠近侧壁113设置。
请参阅图1，本申请实施方式的终端100包括机壳20和上述任一实施方式的音频播放装置10，音频播放装置10设置在机壳20内。
请结合图4，本申请实施方式的音频控制方法包括：
011：通过一个第一扬声器12输出左声道信号；；
012：通过另一个第一扬声器12输出右声道信号；及
013：通过位于两个第一扬声器12之间的第二扬声器13输出左声道信号和右声道信号混音后的音频信号。
在某些实施方式中，通过位于两个第一扬声器12之间的第二扬声器13输出左声道信号和右声道信号混音后的音频信号，包括：
对左声道信号和右声道信号进行混音以生成立体音频信号；
控制第二扬声器13输出立体音频信号。
在某些实施方式中，通过位于两个第一扬声器12之间的第二扬声器13输出左声道信号和右声道信号混音后的音频信号，包括：
对左声道信号和右声道信号进行混音以生成立体音频信号；
对立体音频信号进行滤波以生成低频音频信号；及
控制第二扬声器13输出低频音频信号。
请结合图5，在某些实施方式中，音频控制方法还包括：
014：检测左声道信号和/或右声道信号是否存在异常；
015：若左声道信号或右声道信号存在异常，则控制未出现异常的第一扬声器12和第二扬声器13分别输出左声道信号和右声道信号；及
016：若左声道信号和右声道信号均存在异常，则控制第二扬声器13输出左声道信号和右声道信号混音后生成的立体音频信号。
请结合图6，在某些实施方式中，音频控制方法还包括：
017：在音频输入信号为多种时，控制两个第一扬声器12输出一种音频输入信号，第二扬声器13输出多种音频输入信号中剩余的输入音频信号。
请结合图6，在某些实施方式中，音频控制方法还包括：
在音频输入信号为多种时，控制两个第一扬声器12输出一种音频输入信号，第二扬声器13输出多种音频输入信号中剩余的输入音频信号。
在某些实施方式中，控制两个第一扬声器12分别输出左声道信号和右声道信号，包括：
控制两个第一扬声器12输出左声道信号和右声道信号混音后的立体音频信号。
请参阅图1，本申请实施方式的音频播放装置10包括壳体11、两个第一扬声器12和一个第二扬声器13。第二扬声器13设置在两个第一扬声器12之间，两个第一扬声器12分别输出左声道信号和右声道信号，第二扬声器13输出左声道信号和右声道信号混音后的音频信号。
伴随着手机屏占比的提高和屏幕的大型化，使得整体的手机空间结构变大，在手机中放置多个扬声器变得可行，多个扬声器对手机整个扬声器系统的音效有着质的提升。
人们通常使用手机等电子设备来作为主要的影音娱乐设备，因此对电子设备外放的音质需求也日益提高。
本申请的音频播放装置10通过在壳体11内设置两个第一扬声器12实现左声道信号和右声道信号的输出，从而使得音频播放装置10不仅能够实现立体音频输出，且通过设置在两个第一扬声器12之间的第二扬声器13实现左声道信号和右声道信号混音后的音频信号的输出，以增强立体音频的响度和声场，提升了音频播放装置10的播放音质。
请参阅图1和图2，本申请实施方式的终端100包括机壳20和音频播放装置10。音 频播放装置10安装在机壳20上。
终端100可以是智能手表、手机、平板电脑、显示设备、笔记本电脑、柜员机、闸机、头显设备、游戏机等。如图2所示，本申请实施方式以终端100是手机为例进行说明，可以理解，终端100的具体形式并不限于手机。机壳20还可用于安装终端100的显示装置、成像装置、供电装置、通信装置等功能模块，以使机壳20为功能模块提供防尘、防摔、防水等保护。
音频播放装置10包括壳体11、两个第一扬声器12、一个第二扬声器13、电池14和电路板15。两个第一扬声器12和第二扬声器13均设置在壳体11内。
壳体11可以是机壳20的一部分，如壳体11包括多个子壳体(如为3个)，多个子壳体固定安装在机壳20上(或与机壳20一体成型)，两个第一扬声器12和第二扬声器13分别设置3个子壳体内，以将扬声器与终端100内的其他功能部件隔绝，防止扬声器的音频振动影响其他功能部件。或者，壳体11即为机壳20，两个第一扬声器12和第二扬声器13均设置在壳体11内即为两个第一扬声器12和第二扬声器13均设置在机壳20内。本申请实施方式中，壳体11即为机壳20。
壳体11包括顶壁111、底壁112、侧壁113、正面114和背面115。顶壁111和底壁112相对，正面114和背面115相对，侧壁113连接顶壁111和底壁112，顶壁111、底壁112和侧壁113将正面114和背面115连接。顶壁111、底壁112、侧壁113、正面114和背面115围成容置空间116，两个第一扬声器12、第二扬声器13、电池14和电路板15均设置在容置空间116内。
顶壁111和底壁112均开设有第一出音孔117，侧壁113开设有第二出音孔118，以使得设置在壳体11内的两个第一扬声器12和第二扬声器13输出的音频分别从第一出音孔117和第二出音孔118出去，从而实现终端100横屏显示时的立体声输出；在另一实施方式中，相对的两个侧壁113均开设有第一出音孔117，底壁112开设有第二出音孔118，以使得设置在壳体11内的两个第一扬声器12和第二扬声器13输出的音频分别从第一出音孔117和第二出音孔118出去，从而实现终端100竖屏显示时的立体声输出；在又一实施方式中，顶壁111和底壁112均开设有第一出音孔117，背面115开设有第二出音孔118，以使得设置在壳体11内的两个第一扬声器12和第二扬声器13输出的音频分别从第一出音孔117和第二出音孔118出去，从而实现终端100横屏显示时的立体声输出，且背面115的第二出音孔118不易在终端100被握持时遮挡住。如图1和2所示的实施方式中，顶壁111和底壁112均开设有第一出音孔117，背面115开设有第二出音孔118。
两个第一扬声器12设置第一出音孔117所在的位置，如两个第一扬声器12分别设置在顶壁111的第一出音孔117和底壁112的第一出音孔117对应的位置，或者，两个第一扬声器12分别设置在相对的两个侧壁113的第一出音孔117对应的位置，且第一扬声器12的音腔与第一出音孔117相对设置，使得两个第一扬声器12分别输出的左声道信号和右声道信号直接从对应的第一出音孔117出去，缩短音频在壳体11内的传播路径，减少音频的损失。
两个第一扬声器12采用对称式设计，两个第一扬声器12的连线平行侧壁113(如两个第一扬声器12的中心的连线平行侧壁113，且两个第一扬声器12的可为相同的扬声器，即两个第一扬声器12的音频输出参数相同，相较于目前两个扬声器多为非对称设计，如 一个为听筒，一个为底部扬声器，非对称的双扬声器的声场均衡性较差而言，对称式设计的两个第一扬声器12使得用户握持终端100时，接收到两个第一扬声器12的声场基本均衡。当然，两个第一扬声器12也可采用非对称式设计，例如其中一个第一扬声器12作为听筒(一般性能较差)使用，在两个第一扬声器12一起播放音频时，可降低未作为听筒的第一扬声器12的性能，以使得两个第一扬声器12的音频输出性能基本一致，从而保证声场的平衡。
请结合图3，第二扬声器13设置在第二出音孔118所在的位置。如第二扬声器13设置在侧壁113的第二出音孔118所在的位置，或第二扬声器13设置在背面115的第二出音孔118所在的位置，且第二扬声器13的音腔与第二出音孔118相对设置，使得第二扬声器13输出的左声道信号和右声道信号混音后的音频信号直接从第二出音孔118出去，缩短音频在壳体11内的传播路径，减少音频的损失。
第二扬声器13设置在两个第一扬声器12之间，且第二扬声器13和两个第一扬声器12的距离相同，如第二扬声器13的中心和每个第一扬声器12的中心的连线的长度相同。如此，可保证第二扬声器13在对两个第一扬声器12的声场进行增强时，不影响两个第一扬声器12的声场均衡性。
第二扬声器13设置在背面115时，相较于设置在壳体11边缘(如顶壁111、底壁112和侧壁113)，扬声器受到壳体11边缘的可用于安装的宽度较小影响，导致体积不能过大而言，壳体11内的空间较大，第二扬声器13的音腔的体积可大于第一扬声器12的音腔的体积，从而实现第二扬声器13的大音腔设计，提升第二扬声器13的音效。其中，音腔包括前腔和后腔，为了提升声音的反射效果，可设置第二扬声器13的前腔的体积大于第一扬声器12的前腔的体积，为了提升第二扬声器13的声音增强效果，则可设置第二扬声器13的后腔的体积大于第一扬声器12的后腔的体积。
请参阅图1，为了扩大第二扬声器13的音腔体积，在设计电池14时，可将电池14设置为环形，环形电池14安装在壳体11内(如设置在背面115)，环形电池14围成了第二扬声器13的安装空间119，从而可在第二扬声器13的安装空间119内设置大音腔的第二扬声器13，或者设置多个第二扬声器13，即环形电池14环绕第二扬声器13设置。
如图1所示，电池14设置在壳体11的中心位置，电路板15包括第一子板151和第二子板152，分别设置在环形电池14的两侧，第二扬声器13位于环形电池14围成的安装空间119内，可以理解，安装空间119的中心到每个第一扬声器12的中心可设设置相等，从而保证第二扬声器13安装在安装空间119内后，第二扬声器13在对两个第一扬声器12的声场进行增强时，不影响两个第一扬声器12的声场均衡性。
如图3所示，第二扬声器13设置在侧壁113还可以是第二扬声器13设置在背面115，但靠近侧壁113设置。从而使得第二扬声器13不受侧壁113狭小的宽度影响，实现大音腔设计。此时第一子板151和第二子板152垂直设置，形成“L”型电路板15，而第一子板151、第二子板152和壳体11围成收容空间120，以收容电池14，此时电池14可为矩形，设置在收容空间120内。
请参阅图1和图4，本申请实施方式的音频控制方法应用于上述任一实施方式的音频播放装置10中，音频控制方法包括：
011：通过一个第一扬声器12输出左声道信号；；
012：通过另一个第一扬声器12输出右声道信号；及
013：通过位于两个第一扬声器12之间的第二扬声器13输出左声道信号和右声道信号混音后的音频信号。
音频播放装置10还包括处理器16，处理器16可用于控制两个第一扬声器12分别输出左声道信号和右声道信号；通过位于两个第一扬声器12之间的第二扬声器13输出左声道信号和右声道信号混音后的音频信号。。也即是说，步骤011和步骤012可以由处理器16配合两个第一扬声器12实现、步骤013可以由处理器16配合第二扬声器13实现。
具体地，在音频播放装置10对输入音频信号进行音频输出时，首先获取输入音频信号中的左声道信号和右声道信号，然后通过两个第一扬声器12分别输出左声道信号和右声道信号，以通过两个第一扬声器12输出立体声。然后，处理器16将左声道信号和右声道进行混音，以输出混音后的信号。例如，对左声道信号和右声道信号进行混音以生成立体音频信号，控制第二扬声器13输出立体音频信号，从而实现立体声增强，提升音频播放装置10的响度和声场；再例如，对左声道信号和右声道信号进行混音以生成立体音频信号；对立体音频信号进行滤波，以滤除立体音频信号中的中高频音频信号，从而生成低频音频信号；然后控制第二扬声器13输出低频音频信号，从而实现低频增强，提升音频播放装置10的响度和声场。
在其他实施方式中，在通过两个第一扬声器12分别输出左声道信号和右声道信号，可控制每个第一扬声器12同时输出左声道信号和右声道信号，且第一扬声器12在同时输出左声道信号和右声道信号时，可进行混音得到立体音频信号，再进行输出，也即是说，两个第一扬声器12均输出立体音频信号，从而提升立体音频输出的响度和声场。
请参阅图1和图5，在某些实施方式中，音频控制方法还包括：
014：检测左声道信号和/或右声道信号是否存在异常；
015：若左声道信号或右声道信号存在异常，则控制未出现异常的第一扬声器12和第二扬声器13分别输出左声道信号和右声道信号；及
016：若左声道信号和右声道信号均存在异常，则控制第二扬声器13输出左声道信号和右声道信号混音后生成的立体音频信号。
在某些实施方式中，处理器16可用于检测左声道信号和/或右声道信号是否存在异常；若左声道信号或右声道信号存在异常，则控制未出现异常的第一扬声器12和第二扬声器13分别输出左声道信号和右声道信号；及若左声道信号和右声道信号均存在异常，则控制第二扬声器13输出左声道信号和右声道信号混音后生成的立体音频信号。也即是说，步骤014、步骤015和步骤016可以由处理器16实现。
具体地，在用户手持终端100时，第一扬声器12和/或第二扬声器13可能会被堵住甚至损坏，从而导致发出的声音较小甚至无法发出声音，在第一扬声器12输出左声道信号时，第一扬声器12可检测左声道信号和右声道信号的异常，例如第一扬声器12被堵住时，左声道信号和右声道信号在音腔内的反射强度较高，第二扬声器13被堵住时，左声道信号和右声道信号混音后的音频信号在音腔内的反射强度较高，因此，可通过检测第一扬声器12(第二扬声器13)输出的音频信号的音频参数是否异常(如响度是否大于预定响度确定被堵住，无响度时可确定损坏)，来确定第一扬声器12(第二扬声器13)是否存在异常。
在左声道信号或右声道信号存在异常时(即，存在一个第一扬声器12存在异常时)，可通过未出现异常的第一扬声器12和第二扬声器13分别输出左声道信号和右声道信号，从而实现堵孔或损坏后的立体声输出。而在左声道信号和右声道信号均存在异常(即，两个第一扬声器12均存在异常)时，则通过第二扬声器13直接输出左声道信号和右声道信号混音后生成的立体音频信号，从而实现堵孔或损坏后的立体声输出。而在第二扬声器13输出的音频信号存在异常时，则通过两个第一扬声器12分别输出左声道信号和右声道信号，从而实现堵孔或损坏后的立体声输出。如此，无论第一扬声器12或第二扬声器13发生堵孔和损坏，均能实现立体声输出。
请参阅图1和图6，在某些实施方式中，音频控制方法还包括：
017：在音频输入信号为多种时，控制两个第一扬声器12输出一种音频输入信号，第二扬声器13输出多种音频输入信号中剩余的输入音频信号。
在某些实施方式中，处理器16还用于在音频输入信号为多种时，控制两个第一扬声器12输出一种音频输入信号，第二扬声器13输出多种音频输入信号中剩余的输入音频信号。也即是说，步骤017可以由处理器16实现。
具体地，终端100在进行音频输出时，音频输入信号可能为多种，如来自不同应用程序输出的音频信号作为一种音频输入信号，如以音频播放装置10同时播放开黑语音的应用程序输出的音频输入信号A和游戏应用程序输出的音频输入信号B为例，可以理解，由于游戏需要进行听声辩位以辅助用户操作，因此需要实现左声道和右声道的立体声输出，而开黑语音则只需要听清楚语音内容即可，处理器16可将音频输入信号B作为主音频，通过两个第一扬声器12分别输出主音频的左声道信号和右声道信号，从而辅助用户操作游戏，而将音频输入信号A作为背景音频，对背景音频的左声道信号和右声道信号进行混音，然后生成的立体音频信号，并通过第二扬声器13输出。当然，若存在更多种音频输入信号，则将其中一种音频输入信号作为主音频，通过两个第一扬声器12输出，将多种音频输入信号中剩余的音频输入信号作为背景音频，通过第二扬声器13输出。
本申请实施方式的音频播放装置10、终端100和音频控制方法，通过在壳体11内设置两个第一扬声器12实现左声道信号和右声道信号的输出，从而使得音频播放装置10不仅能够实现立体音频输出，且通过设置在两个第一扬声器12之间的第二扬声器13实现左声道信号和右声道信号混音后的音频信号的输出，以增强立体音频的响度和声场，提升了音频播放装置10的播放音质。且在第一扬声器12或第二扬声器13存在异常时，依旧能够实现立体声输出。另外，还可通过第一扬声器12和第二扬声器13分别实现不同音频输入信号的播放，从而适应终端100的不同音频播放场景。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。
Claims (20)
- 一种音频播放装置，其特征在于，包括：壳体；设置在壳体内的两个第一扬声器和一个第二扬声器，所述第二扬声器设置在两个所述第一扬声器之间，两个所述第一扬声器分别输出左声道信号和右声道信号，所述第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号。
- 根据权利要求1所述的音频播放装置，其特征在于，所述壳体包括顶壁、底壁和侧壁，两个所述第一扬声器分别设置的所述顶壁和所述底壁，所述第二扬声器设置在所述侧壁。
- 根据权利要求2所述的音频播放装置，其特征在于，两个所述第一扬声器的连线平行所述侧壁，且两个所述第一扬声器的音频输出参数相同。
- 根据权利要求2所述的音频播放装置，其特征在于，所述第二扬声器设置在所述侧壁且与两个所述第一扬声器的距离相同。
- 根据权利要求2所述的音频播放装置，其特征在于，所述壳体还包括相背的正面和背面，两个所述第一扬声器分别设置的所述顶壁和所述底壁，所述第二扬声器设置在所述背面。
- 根据权利要求5所述的音频播放装置，其特征在于，所述音频播放装置还包括电池，所述电池呈环形，所述电池环绕所述第二扬声器设置。
- 根据权利要求1所述的音频播放装置，其特征在于，所述音频播放装置还包括电路板和电池，所述电路板设置在所述壳体内，所述电路板包括相互连接的第一子板和第二子板，所述第一子板和所述第二子板垂直，所述第一子板、所述第二子板和所述壳体围成收容空间，所述电池设置在所述收容空间。
- 根据权利要求1所述的音频播放装置，其特征在于，所述壳体开设第一出音孔和第二出音孔，所述第一出音孔与所述第一扬声器的音腔相对设置，所述第二出音孔与所述第二扬声器的音腔相对设置。
- 根据权利要求6所述的音频播放装置，其特征在于，所述第二扬声器的音腔的体积大于所述第一扬声器的音腔的体积。
- 根据权利要求1所述的音频播放装置，其特征在于，所述壳体为机壳的一部分，所述壳体包括三个子壳体，两个第一扬声器和一个第二扬声器分别设置三个所述子壳体内。
- 根据权利要求8所述的音频播放装置，其特征在于，所述壳体包括顶壁、底壁和侧壁，所述顶壁和所述底壁开设有所述第一出音孔，所述侧壁开设有所述第二出音孔；或者，相对的两个所述侧壁均开设有所述第一出音孔，所述底壁开设有所述第二出音孔；或者，所述壳体还包括相背的正面和背面，所述顶壁和所述底壁开设有所述第一出音孔，所述背面开设有所述第二出音孔。
- 根据权利要求1所述的音频播放装置，其特征在于，两个所述第一扬声器采用对称式设计。
- 根据权利要求5所述的音频播放装置，其特征在于，所述第二扬声器靠近所述侧壁设置。
- 一种终端，其特征在于，包括机壳和权利要求1-13任一项所述的音频播放装置，所述音频播放装置设置在所述机壳内。
- 一种音频控制方法，其特征在于，所述音频控制方法包括：通过一个第一扬声器输出左声道信号；通过另一个第一扬声器输出右声道信号；通过位于两个第一扬声器之间的第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号。
- 根据权利要求15所述的音频控制方法，其特征在于，所述通过位于两个第一扬声器之间的第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号，包括：对所述左声道信号和所述右声道信号进行混音以生成立体音频信号；控制所述第二扬声器输出所述立体音频信号。
- 根据权利要求15所述的音频控制方法，其特征在于，所述通过位于两个第一扬声器之间的第二扬声器输出所述左声道信号和所述右声道信号混音后的音频信号，包括：对所述左声道信号和所述右声道信号进行混音以生成立体音频信号；对所述立体音频信号进行滤波以生成低频音频信号；及控制所述第二扬声器输出所述低频音频信号。
- 根据权利要求15所述的音频控制方法，其特征在于，还包括：检测所述左声道信号和/或所述右声道信号是否存在异常；若所述左声道信号或所述右声道信号存在异常，则控制未出现异常的所述第一扬声器和所述第二扬声器分别输出所述左声道信号和所述右声道信号；及若所述左声道信号和所述右声道信号均存在异常，则控制所述第二扬声器输出所述左声道信号和所述右声道信号混音后生成的立体音频信号。
- 根据权利要求15所述的音频控制方法，其特征在于，还包括：在音频输入信号为多种时，控制两个所述第一扬声器输出一种所述音频输入信号，所述第二扬声器输出多种所述音频输入信号中剩余的所述输入音频信号。
- 根据权利要求15所述的音频控制方法，其特征在于，所述控制所述两个所述第一扬声器分别输出左声道信号和右声道信号，包括：控制两个所述第一扬声器输出所述左声道信号和所述右声道信号混音后的立体音频信号。
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