CN212933506U - Electronic equipment and circuit for automatically playing music when being started - Google Patents
Electronic equipment and circuit for automatically playing music when being started Download PDFInfo
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- CN212933506U CN212933506U CN202021960916.9U CN202021960916U CN212933506U CN 212933506 U CN212933506 U CN 212933506U CN 202021960916 U CN202021960916 U CN 202021960916U CN 212933506 U CN212933506 U CN 212933506U
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Abstract
The utility model discloses a circuit of electronic equipment and automatic broadcast music of start, the circuit includes audio frequency storage enable circuit, audio frequency storage circuit and broadcast circuit, wherein: the audio storage enabling circuit is used for generating a first enabling signal when a starting signal is received and sending the first enabling signal to the audio storage circuit; the audio storage circuit is used for storing first audio data and is also used for sending the first audio data to the playing circuit when the first enabling signal is received; the playing circuit is used for playing the first audio data. The utility model discloses can be after electronic equipment starts automatic broadcast music immediately, and need not to wait for automatic broadcast music again after the AP power is stable, promoted user experience.
Description
Technical Field
The utility model relates to an electronic equipment field especially relates to an electronic equipment and circuit of automatic broadcast music of start.
Background
Currently, many electronic devices such as mobile phones have boot music, but the boot music needs to be played after the AP (Application Processor) power of the device is stabilized. Because the electronic equipment needs to supply power to various functional modules in the starting process, strict requirements are also placed on the power supply starting time sequence of each part, so that the interval from the pressing of a starting key to the stabilization of the AP power supply is longer, and a user cannot hear starting music in the process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a circuit of electronic equipment and the automatic broadcast music of start in order to overcome among the prior art defect that electronic equipment can not play the music immediately after the start.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a circuit of automatic broadcast music of start, the circuit includes audio frequency storage enable circuit, audio frequency storage circuit and broadcast circuit, wherein:
the audio storage enabling circuit is used for generating a first enabling signal when a starting signal is received and sending the first enabling signal to the audio storage circuit;
the audio storage circuit is used for storing first audio data and is also used for sending the first audio data to the playing circuit when the first enabling signal is received;
the playing circuit is used for playing the first audio data.
Preferably, the circuitry further comprises AP circuitry for sending the first audio data to the audio storage circuitry.
Preferably, the AP circuit is further configured to send second audio data to the audio storage circuit, the second audio data being used to replace the first audio data.
Preferably, the circuit further comprises an analog switch, wherein the analog switch comprises a first selection terminal and a common terminal;
the first audio data are sequentially sent to the playing circuit through the first selecting end and the public end.
Preferably, the analog switch further includes a second selection terminal and a channel selection terminal;
the AP circuit is further configured to send a switching signal to the channel selection end, and the channel selection end is configured to switch the electrical connection between the common end and the first selection end to the electrical connection between the common end and the second selection end according to the switching signal;
the AP circuit is further configured to send third audio data, and the third audio data is sent to the playing circuit through the second selecting terminal and the public terminal in sequence;
the playback circuit is further configured to play the third audio data.
Preferably, the analog switch further comprises a switch enable terminal;
the AP circuit is further used for sending a second enabling signal to the switch enabling end, and the switch enabling end is used for switching the analog switch to an off state according to the second enabling signal;
and/or the presence of a gas in the gas,
the circuit further comprises a power amplifier, wherein the input end of the power amplifier is electrically connected with the public end, and the output end of the power amplifier is electrically connected with the playing circuit;
and/or the presence of a gas in the gas,
the circuit further comprises a digital-to-analog conversion circuit, wherein the input end of the digital-to-analog conversion circuit is electrically connected with the audio storage circuit, and the output end of the digital-to-analog conversion circuit is electrically connected with the first selection end.
Preferably, the circuit further includes a codec circuit, an input end of the codec circuit is electrically connected to the AP circuit, and an output end of the codec circuit is electrically connected to the second selection terminal.
Preferably, the playback circuit includes a speaker;
and/or the presence of a gas in the gas,
the circuit further comprises a key switch for generating the power-on signal when triggered.
Preferably, the circuit further comprises a boot circuit, and the boot circuit is configured to send the boot signal to the AP circuit;
the AP circuit is used for entering a starting-up state according to the starting-up signal;
the utility model also provides an electronic equipment, including above arbitrary item the automatic circuit of broadcast music of start.
The utility model discloses an actively advance the effect and lie in: compared with the prior art, the utility model provides a circuit of electronic equipment and start automatic broadcast music can be at electronic equipment start after the music of automatic broadcast immediately, and need not to wait for automatic broadcast music again after the AP power is stable, has promoted user experience.
Drawings
Fig. 1 is a circuit diagram of a circuit for automatically playing music when the device is powered on according to embodiment 1 of the present invention.
Fig. 2 is a circuit diagram of a circuit for automatically playing music when the computer is powered on according to embodiment 2 of the present invention.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
Example 1
The utility model provides a circuit of automatic broadcast music of start can realize starting at electronic equipment, namely after the user pressed key switch, broadcast start music at once. Referring to fig. 1, the present embodiment provides a circuit including: the device comprises a key switch 100, an AP circuit 1, a starting circuit 2, an audio storage enabling circuit 3, an audio storage circuit 4, a playing circuit 5, an analog switch 6, a power amplifier 7 and a digital-to-analog conversion circuit 8.
In this embodiment, the AP circuit 1 is a control and processing module of an electronic device.
The key switch 100 is electrically connected to the power-on circuit 2 and the audio storage enable circuit 3, respectively, and is configured to generate a power-on signal when triggered, and send the power-on signal to the power-on circuit 2 and the audio storage enable circuit 3 at the same time. The key switch is used for starting up electronic equipment, a dome structure is generally used in handheld equipment, and a button is generally used in industrial equipment.
The power-on circuit is mainly set according to the AP circuit, and for example, the duration of the high level or the low level can be set. Specifically, the boot circuit may be constructed by a Metal-Oxide-Semiconductor (MOS) transistor.
In this embodiment, the power-on circuit 2 is configured to send a power-on signal to the AP circuit 1, and after the AP circuit 1 receives the power-on signal, the electronic device enters a power-on state and enters a working state after power-on is completed.
In order to prevent static electricity and match the chip level, the key switch is preferably not directly connected to the audio storage circuit, but is electrically connected to the audio storage circuit via an audio storage enable circuit, wherein the audio storage enable circuit can be designed according to the enable level of the music storage circuit, and can be generally built by a MOS transistor.
The audio storage enabling circuit 3 in this embodiment generates a first enabling signal when receiving the power-on signal, and sends the first enabling signal to the audio storage circuit 4; the audio storage circuit 4 stores first audio data and sends the first audio data to the playing circuit 5 when receiving a first enabling signal; the playback circuit 5 is used for playing back the first audio data, wherein the playback circuit 5 may include a speaker, a loudspeaker or other components for playing back audio.
In this embodiment, the AP circuit 1 that reaches the stable power state may be further configured to send first audio data to the audio storage circuit 4, and in a case that the first audio data is stored in the audio storage circuit 4, the AP circuit 1 that reaches the stable power state may also send second audio data to the audio storage circuit 4, so that the first audio data is replaced with the second audio data to be used as music for automatic startup playing.
The first audio data and the second audio data are audio data set by a user, a specific music file can be determined according to personal preference, and the second audio data replaces the first audio data for unlimited times, but the replacement operation needs to be completed after the equipment is started and enters an equipment operating system interface. The specific way may be to store the audio data that needs to be played at power-on in the specified path.
In this embodiment, the analog switch 6 may include a first selection terminal and a common terminal. The input end of the digital-to-analog conversion circuit 8 is electrically connected with the audio storage circuit 4, and the output end of the digital-to-analog conversion circuit 8 is electrically connected with the first selection end of the analog switch 6, and is used for converting the digital signal into the analog signal. The input end of the power amplifier 7 is electrically connected with the common end of the analog switch 6, and the output end of the power amplifier 7 is electrically connected with the playing circuit 5 and is used for amplifying and filtering the output analog audio signal.
Taking the signal transmission of the first audio data as an example, the first audio data is transmitted from the audio storage circuit 4 to the playback circuit 5 via the digital-to-analog conversion circuit 8, the first selection terminal of the analog switch 6, the common terminal of the analog switch 6, and the power amplifier 7 in sequence for playback.
In this embodiment, the analog switch 6 may further include a switch enable terminal; after the device is started and enters the device operating system interface, the AP circuit 1 may send a second enable signal to the switch enable terminal of the analog switch 6, and switch the analog switch 6 to an off state; thus, the playing of the starting music is stopped.
The embodiment can automatically play music immediately after the electronic equipment is started, namely, the music can be automatically played in the starting state without waiting for the stable AP power supply and then automatically playing the music, so that the user experience is improved.
Example 2
In this embodiment, another circuit for automatically playing music when the device is powered on is provided based on embodiment 1, that is, after the device enters the power-on state, before the device is powered on and enters the operating system interface of the device, once the AP power supply is stabilized, the current power-on music playing can be controlled to be switched to other music playing.
Referring to fig. 2, compared with embodiment 1, the circuit in this embodiment further includes a codec circuit 9, and the analog switch 6 further includes a second selection terminal and a channel selection terminal.
In this embodiment, the input end of the codec circuit 9 is electrically connected to the AP circuit 1, and the output end is electrically connected to the second selection end of the analog switch 6, so as to convert the digital signal into an analog signal and perform encoding and decoding on the audio data.
In this embodiment, the electrical connection state inside the analog switch 6 is such that the first selection terminal is electrically connected to the common terminal by default; when the AP circuit 1 sends a switching signal to the channel selection terminal of the analog switch 6, the analog switch 6 is switched from the default electrical connection state to the second selection terminal to be electrically connected to the common terminal; at this time, the third audio data sent by the AP circuit 1 passes through the codec circuit 9, the second selection terminal of the analog switch 6, the common terminal of the analog switch 6, the power amplifier 7 to the playing circuit 5, so as to realize playing the third audio data. The third audio data is the original power-on music of the electronic device.
On the basis of embodiment 1, in this embodiment, through the provided circuit, after the electronic device is powered on, and the AP power state is stable, the automatically played music can be switched to the power-on music of the electronic device itself.
Example 3
This embodiment provides an electronic device including the circuit for automatically playing music when the electronic device is powered on in embodiment 1, which can immediately and automatically play music after the electronic device is powered on, that is, can automatically play music in a powered-on state, and does not need to wait for the AP power supply to be stable and then automatically play music, thereby improving user experience.
Example 4
This embodiment provides an electronic device including the circuit for automatically playing music when the electronic device is powered on according to embodiment 2, wherein the automatically played music can be switched to the power-on music of the electronic device itself after the AP power state is stable after the electronic device is powered on.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The utility model provides a circuit of automatic broadcast music of start-up which characterized in that, the circuit includes audio frequency storage enable circuit, audio frequency memory circuit and broadcast circuit, wherein:
the audio storage enabling circuit is used for generating a first enabling signal when a starting signal is received and sending the first enabling signal to the audio storage circuit;
the audio storage circuit is used for storing first audio data and is also used for sending the first audio data to the playing circuit when the first enabling signal is received;
the playing circuit is used for playing the first audio data.
2. The circuit for automatically playing music upon power-on of claim 1, further comprising an AP circuit for sending the first audio data to the audio storage circuit.
3. The power-on auto-play music circuit of claim 2, wherein the AP circuit is further configured to send second audio data to the audio storage circuit, the second audio data being used to replace the first audio data.
4. The circuit for automatically playing music upon power-on of claim 2, further comprising an analog switch, said analog switch comprising a first select terminal and a common terminal;
the first audio data are sequentially sent to the playing circuit through the first selecting end and the public end.
5. The circuit for automatically playing music when turned on according to claim 4, wherein said analog switch further comprises a second selection terminal and a channel selection terminal;
the AP circuit is further configured to send a switching signal to the channel selection end, and the channel selection end is configured to switch the electrical connection between the common end and the first selection end to the electrical connection between the common end and the second selection end according to the switching signal;
the AP circuit is further configured to send third audio data, and the third audio data is sent to the playing circuit through the second selecting terminal and the public terminal in sequence;
the playback circuit is further configured to play the third audio data.
6. The circuit for automatically playing music upon power-on of claim 4, wherein said analog switch further comprises a switch enable terminal;
the AP circuit is further used for sending a second enabling signal to the switch enabling end, and the switch enabling end is used for switching the analog switch to an off state according to the second enabling signal;
and/or the presence of a gas in the gas,
the circuit further comprises a power amplifier, wherein the input end of the power amplifier is electrically connected with the public end, and the output end of the power amplifier is electrically connected with the playing circuit;
and/or the presence of a gas in the gas,
the circuit further comprises a digital-to-analog conversion circuit, wherein the input end of the digital-to-analog conversion circuit is electrically connected with the audio storage circuit, and the output end of the digital-to-analog conversion circuit is electrically connected with the first selection end.
7. The circuit for automatically playing music when turned on according to claim 5, wherein the circuit further comprises a codec circuit, an input terminal of the codec circuit is electrically connected to the AP circuit, and an output terminal of the codec circuit is electrically connected to the second selection terminal.
8. The circuit for automatically playing music upon power-on of claim 1, wherein said playing circuit comprises a speaker;
and/or the presence of a gas in the gas,
the circuit further comprises a key switch for generating the power-on signal when triggered.
9. The circuit for automatically playing music upon power-on of claim 2, further comprising a power-on circuit for sending the power-on signal to the AP circuit;
the AP circuit is used for entering a starting-up state according to the starting-up signal.
10. An electronic device comprising a circuit for automatically playing music when turned on as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960916.9U CN212933506U (en) | 2020-09-09 | 2020-09-09 | Electronic equipment and circuit for automatically playing music when being started |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960916.9U CN212933506U (en) | 2020-09-09 | 2020-09-09 | Electronic equipment and circuit for automatically playing music when being started |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212933506U true CN212933506U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021960916.9U Active CN212933506U (en) | 2020-09-09 | 2020-09-09 | Electronic equipment and circuit for automatically playing music when being started |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212933506U (en) |
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2020
- 2020-09-09 CN CN202021960916.9U patent/CN212933506U/en active Active
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