CN112788168A - Audio output module and electronic equipment - Google Patents
Audio output module and electronic equipment Download PDFInfo
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- CN112788168A CN112788168A CN201911067138.2A CN201911067138A CN112788168A CN 112788168 A CN112788168 A CN 112788168A CN 201911067138 A CN201911067138 A CN 201911067138A CN 112788168 A CN112788168 A CN 112788168A
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- audio
- frequency band
- output module
- electronic device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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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
Abstract
The invention relates to an audio output module and an electronic device, wherein the audio output module comprises an audio processor and a plurality of receivers; the audio processor is used for processing the audio signal into a plurality of frequency band signals, and each frequency band signal has a preset frequency band; each receiver is electrically connected with the audio processor respectively and is used for outputting one frequency band signal. Above-mentioned audio output module and electronic equipment become a plurality of frequency band signals through audio processor with audio signal processing, and every frequency band signal has the frequency channel of predetermineeing, and every frequency band signal is through an earphone response sound production to realize the full frequency response output to audio signal.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an audio output module and an electronic device.
Background
With the continuous development of electronic device technology, the requirements of users on the functions of electronic devices are also higher and higher. Electronic devices typically include two sound producing devices, one known as a handset (also known as a receiver) and the other known as a speaker (colloquially known as a horn). The earpiece is mainly used for "earpiece mode" and the speaker is typically used for "speaker mode". In the "earpiece mode", the user needs to press the ear close to the earpiece of the electronic device to clearly hear the sound emitted from the earpiece. The earpiece needs to be acoustically designed for optimal acoustic response when coupled to the human ear to enable better privacy of the electronic device in the "earpiece mode".
With the voice call bandwidth from narrowband conversation, develop to the broadband conversation, the exhibition is ultra wide band again, and even full frequency channel, the earphone also develops to the wide band earphone by the narrowband earphone, but current earphone structure still can not satisfy the conversation demand of ultra wide band and full frequency channel.
Disclosure of Invention
Therefore, it is necessary to provide an audio output module and an electronic device for solving the problem that the existing earphone structure still cannot meet the requirement of ultra-wideband and full-band communication.
An audio output module comprising:
an audio processor for processing an audio signal into a plurality of frequency band signals, each frequency band signal having a preset frequency band; and
and each earphone is electrically connected with the audio processor and is used for outputting one frequency band signal.
In one embodiment, the mobile phone further includes a plurality of amplifiers corresponding to the handsets, each amplifier is connected between a corresponding one of the handsets and the audio processor, and each amplifier is configured to adjust a gain of a frequency band signal output by the audio processor to a corresponding one of the handsets.
In one embodiment, the digital audio signal processing device further includes a plurality of equalizers corresponding to the amplifiers in a one-to-one manner, each equalizer is connected between a corresponding one of the amplifiers and the audio processor, and each equalizer is used for adjusting a gain of a frequency band signal output by the audio processor to a corresponding one of the receivers.
In one embodiment, the mobile phone further comprises a plurality of filters in one-to-one correspondence with the earpieces, each filter is connected between a corresponding one of the earpieces and the audio processor, and each filter is used for filtering out audio signals except for a corresponding one of the frequency band signals.
In one embodiment, the audio signal processing device further comprises a decoder for decoding and restoring the audio signal into an analog audio signal.
An electronic device comprises the audio output module.
In one embodiment, the earphone device further comprises a support and a middle frame, and the earphones are arranged between the support and the middle frame at intervals.
In one embodiment, the support is provided with a sound outlet, the support, the middle frame and the plurality of earphones enclose a sound cavity, and the plurality of earphones are communicated with the sound outlet through the sound cavity.
In one embodiment, the sound-emitting device further comprises a sound cover which is arranged on the support and surrounds the sound outlet hole, and a plurality of through holes are formed in the sound cover.
Above-mentioned audio output module and electronic equipment become a plurality of frequency band signals through audio processor with audio signal processing, and every frequency band signal has the frequency channel of predetermineeing, and every frequency band signal is through an earphone response sound production to realize the full frequency response output to audio signal.
Drawings
FIG. 1 is a functional block diagram of an electronic device in one embodiment;
FIG. 2 is a functional block diagram of an audio output module in one embodiment;
FIG. 3 is a functional block diagram of an audio output module in another embodiment;
fig. 4 is a schematic structural diagram of an electronic device in an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment. The electronic device includes a memory 10, a processor 20, a radio frequency module 30, a network module 40, an audio output module 50, an audio-video input module 60, a sensor 70, a display module 80, a user input module 90, an interface module 101, and a power supply 102. The electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, and the like.
The memory 10 may be used to store software programs and various data. The memory 10 mainly includes a program storage area and a data storage area, wherein the program storage area can store an operating system and at least one application program (such as a sound playing function, an image playing function, etc.) required by the function; the data storage area may store data (such as audio data) created according to the use of the electronic device. Further, the memory 10 may include high speed random access memory 10, and may also include non-volatile memory 10, such as at least one piece of disk memory 10, flash memory device, or other piece of volatile solid state memory 10.
The processor 20, which serves as a control center of the electronic device, connects various parts of the entire electronic device using various interfaces and lines, and performs various functions of the electronic device and processes data by running or executing an application program stored in the memory 10 and calling data stored in the memory 10, thereby integrally monitoring the electronic device.
The radio frequency module 30 is used for receiving and transmitting signals in the process of receiving and transmitting information or calling, and specifically, the radio frequency module 30 receives downlink data from a base station and then processes the downlink data to the processor 20; and sending the uplink data to the base station. The radio frequency module 30 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency module 30 may also communicate with a network and other devices through a wireless communication system.
The network module 40 is used for enabling the electronic device to access the internet through a wireless network, such as sending and receiving mails, browsing web pages, and the like.
The audio output module 50 may convert audio data received by the radio frequency module 30 or the network module 40 or stored in the memory 10 into a sound signal and output as sound. The audio output module 50 may also provide audio output related to the particular function performed by the electronic device.
Referring to fig. 2, the audio output module 50 further includes an audio processor 51, an earphone 52, a decoder 53 and a speaker 54, wherein the audio processor 51 is configured to process an audio signal into a plurality of frequency band signals, and each frequency band signal has a predetermined frequency band.
The number of the earpieces 52 is multiple, each earpiece 52 is electrically connected with the audio processor 51, and each earpiece 52 is used for outputting a frequency band signal.
In one embodiment, the number of earpieces 52 is two, wherein one earpiece 52 is a moving coil earpiece and the other earpiece is a moving iron earpiece. The audio processor 51 processes the audio signal into two frequency band signals, one of which is an audio signal having a frequency lower than 4kHz, i.e., a low frequency signal, and the other of which is an audio signal higher than 4kHz, i.e., a high frequency signal. The moving coil receiver is used for outputting low-frequency signals, and the moving iron receiver is used for outputting high-frequency signals. Because the diaphragm of the moving coil receiver is thin and good in compliance, and the diaphragm of the moving iron receiver is good in rigidity, the combination of the two receivers 52 can output low-frequency and high-frequency audio signals, namely, output full-band audio signals.
In an embodiment, the audio output module 50 further includes a plurality of amplifiers 55 corresponding to the receivers 52, each of the amplifiers 55 is connected between a corresponding one of the receivers 52 and the audio processor 51, and each of the amplifiers 55 is configured to adjust a gain of the frequency band signal output by the audio processor 51 to a corresponding one of the receivers 52. The superposition of the sounds emitted by the multiple receivers 52 can be more balanced and the sound quality effect is better by adjusting the gain of the power amplifier 55.
In an embodiment, the audio output module 50 further includes a plurality of equalizers 56 corresponding to the amplifiers 55, each equalizer 56 is connected between a corresponding one of the amplifiers 55 and the audio processor 51, and each equalizer 56 is configured to adjust a gain of the frequency band signal output by the audio processor 51 to a corresponding one of the earphones 52. By adjusting the gain of the frequency band signal output to the receivers 52 by the equalizer 56, the sound output by the receivers 52 can be optimized, so that the superposition of the sound emitted by the receivers 52 is more balanced, and the sound quality effect is better.
Referring to fig. 3, in an embodiment, the audio output module 50 further includes a plurality of filters 57 corresponding to the receivers 52 one by one, each filter 57 is connected between a corresponding one of the receivers 52 and the audio processor 51, and each filter 57 is configured to filter an audio signal other than a corresponding one of the frequency band signals. The filter 57 filters out the audio signals except for the corresponding band signal, so that the band signal output to each receiver 52 is not affected by other clutter signals, the emitted sound is purer, the superposed sound of the receivers 52 is more balanced, and the sound is clearer. The filter 57 may include a capacitor.
The decoder 53 is used to decode and restore the audio signal to an analog audio signal.
The audio/video input module 60 is used to receive audio or video signals. The audio-video input module 60 may include a graphics processor and a microphone, the graphics processor processing image data of still pictures or video obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed by the display module 80. The image frames processed by the graphic processor may be stored in the memory 10 (or other storage medium) or transmitted via the radio frequency module 30 or the network module 40. The microphone may receive sound via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and process the sound into an audio signal. The processed audio signal may be converted in a phone call mode to a formatted output that may be transmitted to a base station via the radio frequency module 30.
The sensors 70 include light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display module 80 according to the brightness of ambient light, and the proximity sensor can turn off the brightness display of the display module 80 when the electronic device is close to the ear of the user. The motion sensor may comprise an accelerometer sensor. The electronic device may further include a fingerprint sensor, a pressure sensor, an iris sensor, an infrared sensor, etc., which will not be described herein.
The display module 80 is used to display information input by the user or information provided to the user. The display module 80 may include a display panel. The display panel may be configured in the form of a liquid crystal display or an organic light emitting diode, or the like.
The user input module 90 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic device. In particular, the user input module 90 may include a touch screen and other input devices. Other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
The interface module 101 is used as an interface for connecting the electronic device to an external device. The interface module 101 may include a headset port, a power port, a data port, a memory card port, an audio input/output port, a video input/output port, and the like. The electronic device performs data transmission with an external device through the interface module 101.
The power supply 102 is used to power various components of the electronic device.
Referring to fig. 4, the electronic device further includes a bracket 201 and a middle frame 202 for supporting or mounting the memory 10, the processor 20, the rf module 30, the network module 40, the audio output module 50, the audio/video input module 60, the sensor, the display module 80, the user input module 90, the interface module 101, and the power source 102. The display panel is disposed on the bracket 201.
A plurality of earphones 52 are arranged at intervals between the support 201 and the middle frame 202. The support 201 and the middle frame 202 are used for mounting the earphones 52, and the arrangement of the plurality of earphones 52 at intervals can enable the sound emission of the earphones 52 to be more uniformly superposed.
The support 201 is provided with a sound outlet 2011, the support 201, the middle frame 202 and the earphones 52 enclose a sound cavity 203, and the earphones 52 are communicated with the sound outlet 2011 through the sound cavity 203. The sound emitted by the multiple receivers 52 is collected by the sound cavity 203 and then emitted through the sound outlet 2011, so that the sound quality effect is better.
The electronic device further comprises an acoustic cover 204 which is arranged on the support 201 and surrounds the sound hole 2011, and a plurality of through holes are formed in the acoustic cover 204. The acoustic cover 204 is used to prevent foreign objects from entering the sound outlet 2011 and affecting the sound production of the earpiece 52.
The audio output module 50 and the electronic device process the audio signal into a plurality of frequency band signals through the audio processor 51, each frequency band signal has a preset frequency band, and each frequency band signal is responded to sound through one earphone 52, so as to realize full-frequency response output of the audio signal.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An audio output module, comprising:
an audio processor for processing an audio signal into a plurality of frequency band signals, each frequency band signal having a preset frequency band; and
and each earphone is electrically connected with the audio processor and is used for outputting one frequency band signal.
2. The audio output module of claim 1, further comprising a plurality of amplifiers corresponding to the earpieces, each of the amplifiers being connected between a corresponding one of the earpieces and the audio processor, each of the amplifiers being configured to adjust a gain of a frequency band signal output by the audio processor to a corresponding one of the earpieces.
3. The audio output module of claim 2, further comprising a plurality of equalizers corresponding to the amplifiers in a one-to-one manner, each equalizer being connected between a corresponding one of the amplifiers and the audio processor, each equalizer being configured to adjust a gain of a frequency band signal output by the audio processor to a corresponding one of the headphones.
4. The audio output module of claim 1, further comprising a plurality of filters in one-to-one correspondence with the earpieces, each filter being connected between a corresponding one of the earpieces and the audio processor, each filter being configured to filter out audio signals other than a corresponding one of the frequency band signals.
5. The audio output module of claim 1, further comprising a decoder for decoding the audio signal back to an analog audio signal.
6. The audio output module of claim 1, wherein the number of earpieces is two, one of which is a moving coil earpiece and the other of which is a moving iron earpiece.
7. An electronic device, characterized in that the electronic device comprises an audio output module according to any of claims 1-6.
8. The electronic device of claim 7, further comprising a support and a middle frame, wherein the plurality of earpieces are spaced between the support and the middle frame.
9. The electronic device of claim 8, wherein the bracket has a sound outlet, the bracket, the middle frame and the plurality of earphones enclose a sound cavity, and the plurality of earphones are communicated with the sound outlet through the sound cavity.
10. The electronic device of claim 7, further comprising a sound cover disposed on the support and enclosing the sound outlet, wherein the sound cover is provided with a plurality of through holes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067138.2A CN112788168A (en) | 2019-11-04 | 2019-11-04 | Audio output module and electronic equipment |
| PCT/CN2020/126174 WO2021088806A1 (en) | 2019-11-04 | 2020-11-03 | Audio output module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067138.2A CN112788168A (en) | 2019-11-04 | 2019-11-04 | Audio output module and electronic equipment |
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| CN112788168A true CN112788168A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067138.2A Pending CN112788168A (en) | 2019-11-04 | 2019-11-04 | Audio output module and electronic equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN112788168A (en) |
| WO (1) | WO2021088806A1 (en) |
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| CN106162428B (en) * | 2015-03-24 | 2020-05-26 | 联想(北京)有限公司 | Audio output device, electronic equipment and audio output method |
| CN104936090B (en) * | 2015-05-04 | 2018-12-14 | 联想(北京)有限公司 | A kind of processing method and audio processor of audio data |
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- 2019-11-04 CN CN201911067138.2A patent/CN112788168A/en active Pending
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- 2020-11-03 WO PCT/CN2020/126174 patent/WO2021088806A1/en active Application Filing
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| CN105635466A (en) * | 2015-12-30 | 2016-06-01 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and audio circuit thereof |
| US10051370B2 (en) * | 2016-01-08 | 2018-08-14 | Samsung Electronics Co., Ltd | Method for outputting audio signal and electronic device supporting the same |
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| WO2021088806A1 (en) | 2021-05-14 |
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Application publication date: 20210511 |