CN212588488U - Earphone set - Google Patents
Earphone set Download PDFInfo
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- CN212588488U CN212588488U CN202021709200.1U CN202021709200U CN212588488U CN 212588488 U CN212588488 U CN 212588488U CN 202021709200 U CN202021709200 U CN 202021709200U CN 212588488 U CN212588488 U CN 212588488U
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Abstract
The utility model discloses an earphone, which relates to the field of electroacoustic products, and comprises a main control unit and a microphone, and also comprises a voice detection unit and a voice recognition unit which are electrically connected, wherein the voice detection unit is electrically connected with the microphone, and the voice recognition unit is electrically connected with the main control unit; the voice detection unit is used for detecting the voice signal picked up by the microphone and transmitting an effective voice signal to the voice recognition unit; the voice recognition unit is used for recognizing effective voice signals and converting the effective voice signals into corresponding electric signals to be transmitted to the main control unit, and the main control unit is used for executing voice control according to the received electric signals. The utility model discloses the earphone makes the earphone have the speech control function because of having set up pronunciation detecting element and speech recognition unit, accomplishes by pronunciation detecting element and speech recognition unit because of speech recognition again, need not the main control unit and discerns pronunciation, compares in prior art, has greatly reduced the consumption, has reduced the earphone cost.
Description
Technical Field
The utility model relates to an electroacoustic product technical field especially relates to an earphone.
Background
With the wide use of bluetooth headsets, in order to meet the use needs, bluetooth headsets have multiple functions. For example, the Bluetooth headset with the voice recognition control function brings new user experience to consumers, and meets certain use requirements.
However, the speech recognition of the existing bluetooth headset is mostly completed by adopting a high-end bluetooth chip with higher price and abundant internal resources. The voice recognition algorithm is integrated in the Bluetooth chip, and the Bluetooth chip runs at a high speed when recognizing a voice signal, so that the power consumption is improved, and the endurance time of the earphone is greatly shortened. Moreover, the Bluetooth headset integrated with the voice recognition algorithm is high in cost and increases the overall cost.
In view of the above technical problems, there is a need for a bluetooth headset with low power consumption, low cost and voice recognition function.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: a low power consumption and low cost earphone having a voice control function is provided.
In order to solve the technical problem, the technical scheme of the utility model is that:
an earphone comprises a main control unit, a microphone, a voice detection unit and a voice recognition unit, wherein the voice detection unit and the voice recognition unit are electrically connected; the voice detection unit is used for detecting the voice signal picked up by the microphone and transmitting an effective voice signal to the voice recognition unit; the voice recognition unit is used for recognizing effective voice signals, converting the effective voice signals into corresponding electric signals and transmitting the electric signals to the main control unit, and the main control unit is used for executing voice control according to the received electric signals.
Preferably, the voice recognition unit and the awakening end of the main control unit are respectively electrically connected with the output end of the voice detection unit; the valid voice signal comprises a wake-up voice signal; and after the voice detection unit detects the awakening voice signal, transmitting an awakening electric signal to the voice recognition unit and the main control unit to awaken the voice recognition unit and the main control unit.
Preferably, the voice detection unit comprises a filter circuit, an amplifying circuit, a signal processing circuit and an effective voice recognition circuit which are electrically connected, the filter circuit is electrically connected with the microphone, and the effective voice recognition circuit is electrically connected with the voice recognition unit.
Preferably, the voice recognition circuit comprises a storage circuit, a voice recognition processor and an output circuit which are electrically connected, the storage circuit is electrically connected with the voice detection unit, and the output circuit is electrically connected with the main control unit.
Preferably, the microphone is an analog microphone, and the signal processing circuit is an analog-to-digital conversion circuit.
Preferably, the microphone is a digital microphone, and the signal processing circuit is a pulse code modulator.
Preferably, the earphone is a bluetooth earphone, and the main control unit is a bluetooth chip.
Preferably, the voice detection unit and the voice recognition unit are integrated.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the earphone of the utility model comprises the main control unit and the microphone, and also comprises the voice detection unit and the voice recognition unit which are electrically connected, the voice detection unit is electrically connected with the microphone, and the voice recognition unit is electrically connected with the main control unit; the voice detection unit is used for detecting the voice signal picked up by the microphone and transmitting an effective voice signal to the voice recognition unit; the voice recognition unit is used for recognizing effective voice signals and converting the effective voice signals into corresponding electric signals to be transmitted to the main control unit, and the main control unit is used for executing voice control according to the received electric signals. The utility model discloses the earphone makes the earphone have the speech control function because of having set up pronunciation detecting element and speech recognition unit, accomplishes by pronunciation detecting element and speech recognition unit because of speech recognition again, need not the main control unit and discerns pronunciation, compares in prior art, has greatly reduced the consumption, has reduced the earphone cost.
The voice recognition unit and the awakening end of the main control unit are respectively and electrically connected with the output end of the voice detection unit; the valid voice signal comprises a wake-up voice signal; when the voice detection unit detects a wake-up voice signal, transmitting the wake-up electric signal to the voice recognition unit and the main control unit to wake up the voice recognition unit and the main control unit; further reducing power consumption.
Because the voice detection unit and the voice recognition unit are integrated, the structure configuration is optimized, and the cost is reduced.
Drawings
Fig. 1 is a schematic block diagram of the earphone of the present invention;
in the figure: 1-voice detection unit, 2-voice recognition unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, an earphone includes a main control unit and a microphone, and further includes a voice detection unit 1 and a voice recognition unit 2 electrically connected, where the voice detection unit 1 is electrically connected with the microphone, and the voice recognition unit 2 is electrically connected with the main control unit; the voice detection unit 1 is used for detecting a voice signal picked up by the microphone and transmitting an effective voice signal to the voice recognition unit 2; the voice recognition unit 2 is used for recognizing effective voice signals and converting the effective voice signals into corresponding electric signals to be transmitted to the main control unit, and the main control unit is used for executing voice control according to the received electric signals. The utility model discloses an earphone, because of having set up voice detection unit 1 and speech recognition unit 2, make the earphone have the speech control function, accomplish by voice detection unit 1 and speech recognition unit 2 because of speech recognition again, need not the main control unit and carry out the speech recognition operation, compare in prior art, greatly reduced the consumption, reduced the earphone cost.
In this example, the voice recognition unit 2 and the wake-up end of the main control unit are respectively electrically connected with the output end of the voice detection unit 1; the valid voice signal comprises a wake-up voice signal; the voice recognition unit 2 and the main control unit enter low power consumption, and after the voice detection unit 1 detects the awakening voice signal, the voice detection unit transmits the awakening electric signal to the voice recognition unit 2 and the main control unit to awaken the voice recognition unit 2 and the main control unit. It can be seen that the utility model discloses the speech recognition unit 2 and the main control unit of earphone all can get into the low-power consumption state, only stay speech detection unit 1 standby this moment, and the consumption is very low this moment, is about the mu A rank. When the voice signal picked up by the microphone is the awakening voice signal, the voice detection unit 1 awakens the voice recognition unit 2 and the main control unit to start working.
As shown in fig. 1, the voice detection unit 1 includes a filter circuit, an amplification circuit, a signal processing circuit, and an effective voice recognition circuit, which are electrically connected, the filter circuit is electrically connected to the microphone, and the effective voice recognition circuit is electrically connected to the voice recognition unit 2. The effective voice recognition circuit can use a voice recognition processor with simple structure and simple function, such as a BR281W31A101V1G voice recognition processor chip. The filter circuit and the amplifier circuit are prior art and will not be described in detail here.
As shown in fig. 1, the voice recognition circuit includes a storage circuit, a voice recognition processor and an output circuit, which are electrically connected, the storage circuit is electrically connected with the voice detection unit 1, and the output circuit is electrically connected with the main control unit. According to the preferred scheme, the voice detection unit 1 and the voice recognition unit 2 are arranged in an integrated mode, the structural configuration is optimized, and the cost is reduced. Wherein, the voice recognition processor can use GX8002 model; the storage circuit is used for caching the effective voice electric signal transmitted by the voice detection unit 1; wherein the output circuit is but not limited to I2C communication, which is a prior art and will not be described in detail herein.
It should be particularly noted that the present embodiment takes a bluetooth headset as an example, but is not limited to the bluetooth headset, and in this case, the main control unit includes a bluetooth chip. In this case, the microphone may be an analog microphone, in which case the signal processing circuit is an analog-to-digital conversion circuit, or a digital microphone, in which case the signal processing circuit is a pulse code modulator.
As shown in fig. 1, the bluetooth headset of this embodiment operates according to the following principle:
after an analog microphone or a digital microphone picks up a voice signal, firstly, a filter circuit of a voice detection unit 1 filters ambient noise, the filtered ambient noise is amplified by an amplifying circuit, then an effective voice recognition circuit detects whether the voice signal is an effective voice signal, if the voice signal is not an effective voice signal, the voice detection unit 1 can output a low level, and at the moment, a voice recognition unit 2 and a main control unit can be in a low power consumption state; if the voice signals are filtered by the filter circuit, amplified by the amplifying circuit and processed by the signal processing circuit, the effective voice recognition circuit recognizes the signals as the awakening voice signals, and the voice detection unit 1 outputs the awakening electric signals to enable the voice recognition unit 2 and the Bluetooth chip to start to work, so that the effective voice signals are recognized and executed. Before the voice signal is detected to be awakened, only the voice detection unit 1 is in a real-time standby state, and the power consumption is low; and when the voice recognition unit 2 carries out voice recognition, the average power consumption is about 6-7mA, the energy consumption is low, and the endurance time of the Bluetooth headset can be greatly prolonged. Compared with the prior art, the Bluetooth headset of the embodiment has the advantages of reducing energy consumption and cost.
The above-mentioned preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, modifications and the like of the earphone made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. An earphone comprises a main control unit and a microphone, and is characterized by further comprising a voice detection unit and a voice recognition unit which are electrically connected, wherein the voice detection unit is electrically connected with the microphone, and the voice recognition unit is electrically connected with the main control unit;
the voice detection unit is used for detecting the voice signal picked up by the microphone and transmitting an effective voice signal to the voice recognition unit;
the voice recognition unit is used for recognizing effective voice signals, converting the effective voice signals into corresponding electric signals and transmitting the electric signals to the main control unit, and the main control unit is used for executing voice control according to the received electric signals.
2. The headset of claim 1,
the voice recognition unit and the awakening end of the main control unit are respectively and electrically connected with the output end of the voice detection unit;
the valid voice signal comprises a wake-up voice signal;
and after the voice detection unit detects the awakening voice signal, transmitting an awakening electric signal to the voice recognition unit and the main control unit to awaken the voice recognition unit and the main control unit.
3. The headset of claim 2, wherein the voice detection unit comprises a filter circuit, an amplification circuit, a signal processing circuit, and an active voice recognition circuit electrically connected, the filter circuit being electrically connected to the microphone, the active voice recognition circuit being electrically connected to the voice recognition unit.
4. The headset of claim 2, wherein the voice recognition circuit comprises a memory circuit, a voice recognition processor, and an output circuit electrically connected, the memory circuit being electrically connected to the voice detection unit, the output circuit being electrically connected to the master control unit.
5. The headset of claim 3, wherein the microphone is an analog microphone and the signal processing circuit is an analog-to-digital conversion circuit.
6. The headset of claim 3, wherein the microphone is a digital microphone and the signal processing circuit is a pulse code modulator.
7. The headset of any one of claims 1 to 6, wherein the headset is a Bluetooth headset and the master control unit is a Bluetooth chip.
8. The headset of claim 7, wherein the voice detection unit and the voice recognition unit are integrally provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709200.1U CN212588488U (en) | 2020-08-14 | 2020-08-14 | Earphone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709200.1U CN212588488U (en) | 2020-08-14 | 2020-08-14 | Earphone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212588488U true CN212588488U (en) | 2021-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021709200.1U Active CN212588488U (en) | 2020-08-14 | 2020-08-14 | Earphone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212588488U (en) |
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2020
- 2020-08-14 CN CN202021709200.1U patent/CN212588488U/en active Active
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