CN209659528U - A kind of terminal - Google Patents
A kind of terminal Download PDFInfo
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- CN209659528U CN209659528U CN201920780226.6U CN201920780226U CN209659528U CN 209659528 U CN209659528 U CN 209659528U CN 201920780226 U CN201920780226 U CN 201920780226U CN 209659528 U CN209659528 U CN 209659528U
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- microphone
- terminal
- seal
- leading note
- mounting plate
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Abstract
The utility model provides a kind of terminal, the terminal, comprising: shell offers sound outlet hole on the shell；It is set to the first microphone and second microphone of the enclosure interior；It is set to the sealing structure of the enclosure interior, the inside of the sealing structure forms a seal chamber, and the seal chamber constitutes the leading note channel of first microphone and the second microphone, and the leading note channel is connected to the sound outlet hole.Above scheme realizes that two microphones using same leading note channel, incorporate the internal structure of terminal, reduce occupancy of the leading note channel to terminal inner space of microphone.
Description
Technical field
The utility model relates to field of terminal technology, in particular to a kind of terminal.
Background technique
It would generally be comprising waking up for voice with scenes such as artificial intelligent voice interactions and for conversing in current phone
With multiple microphones (mic) of sound-recording function, all microphones are the same into sound mode, have a leading note channel, for receiving
External incoming voice, ambient sound etc..
Conventional design layout is that each microphone can be designed using independent leading note, this is for build stack, meeting
Many spaces are occupied, for the very high smart phone of current integrated level, space is very nervous.
Utility model content
The utility model embodiment provides a kind of terminal, is designed with solving existing each microphone using independent leading note
Mode, will cause occupy more terminal inner space the problem of.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution:
The utility model embodiment provides a kind of terminal, comprising:
Shell offers sound outlet hole on the shell；
It is set to the first microphone and second microphone of the enclosure interior；
It is set to the sealing structure of the enclosure interior, the inside of the sealing structure forms a seal chamber, the sealing
Chamber constitutes the leading note channel of first microphone and the second microphone, and the leading note channel is connected to the sound outlet hole.
The beneficial effects of the utility model are:
Above scheme realizes that two microphones using same leading note channel, incorporate the internal structure of terminal, reduce wheat
Occupancy of the leading note channel of gram wind to terminal inner space.
Detailed description of the invention
Fig. 1 shows one of structural schematic diagrams of terminal of the utility model embodiment；
Fig. 2 indicates the second structural representation of the terminal of the utility model embodiment；
Fig. 3 indicates the circuit block diagram of intelligent microphone and simulation microphone；
Fig. 4 indicates the circuit block diagram of intelligent microphone and digital microphone；
Fig. 5 indicates that intelligent microphone and master/slave microphone share the soft decision process that the CPU in same leading note channel is realized
Schematic diagram.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing and specific implementation
The utility model is described in detail in example.
The utility model by the way of the design of independent leading note, will cause terminal inner for existing each microphone
The more problem of space hold, provides a kind of terminal.
As depicted in figs. 1 and 2, the terminal of the utility model embodiment, comprising:
Shell 100 offers sound outlet hole 110 on the shell 100；
The first microphone 210 and the second microphone 220 being set to inside the shell 100；
The inside of the sealing structure 300 being set to inside the shell 100, the sealing structure 300 forms a seal chamber
410, the seal chamber 410 constitutes the leading note channel of first microphone 210 and the second microphone 220, the leading note
Channel is connected to the sound outlet hole 110.
It should be noted that should offer in this case, in sealing structure 300 the connection seal chamber 410 with
The first through hole 420 of the sound outlet hole 110.
The utility model embodiment incorporates end by the way that two microphones in terminal are used the same leading note channel
The internal structure at end reduces occupancy of the leading note channel to terminal inner space of microphone.
In particular it is required that explanation, the sealing structure 300 include:
Mounting plate 320；
The seal 310 being covered on the mounting plate 320；
The seal chamber 410 is formed between the seal 310 and the mounting plate 320, and is opened on the seal 310
Equipped with the first through hole 420 for being connected to the seal chamber 410 with the sound outlet hole 110, by Fig. 1 and Fig. 2 it is found that sound outlet hole 110 with
The setting of 420 face of first through hole, external sound is entered in seal chamber 410 by sound outlet hole 110, first through hole 420, then by wheat
Gram elegance collection.
It should be noted that because between seal 310 and shell 100 there are certain gap, external sound in order to prevent
Leakage, while avoiding the vibration of terminal that shell is caused directly to collide with seal 310, it would generally between seal 310 and shell 100
Multiple sealing foams 500 are set, as depicted in figs. 1 and 2, between the seal 310 and shell 100 of 420 two sides of first through hole
A sealing foam 500 is respectively set.
Explanation is needed further exist for, the mounting plate 320 in the utility model embodiment is the printed circuit of the terminal
Plate, that is to say, that the first microphone 210 and second microphone 220 can be set up directly on printed circuit board, to reduce end
Route inside end；It should be noted that seal 310 is not to be covered on whole printed circuit boards at this time, seal 310
Only cover a part of printed circuit board.
Continue as depicted in figs. 1 and 2, Fig. 1 and Fig. 2 are expressed as the two of the first microphone 210 and second microphone 220
The different position set-up mode of kind, as shown in Figure 1, first microphone 210 and the second microphone 220 are all set in institute
It states on mounting plate 320, and is located at the inside of the seal chamber 410, such mode is plate mo(u)ld top half design method, and the external world can be improved
The precision of audio collection；As shown in Fig. 2, first microphone 210 and the second microphone 220 are all set in the peace
The side opposite with the seal 310 in loading board 320, and opened up on the mounting plate 320 there are two the second through-hole (in figure not
Show), the sound hole of first microphone 210 and the sound hole of the second microphone 220 pass through one described second respectively and lead to
Hole is connected to the sound outlet hole 110, it should be noted that such mode is plate mo(u)ld bottom half design method, because two microphones do not exist
It is arranged in seal chamber 410, can reduce the volume of seal chamber 410 in this way, reduce seal chamber 410 to terminal inner
The occupancy in space.
It should be noted that under normal conditions, the printed circuit board in terminal is located in liquid crystal display die set (LCM) branch
On frame, that is to say, that when using plate mo(u)ld top half design method, printed circuit board is directly to connect with liquid crystal display mode pack support 600
Touching, and when using plate mo(u)ld bottom half design method, the first microphone 210 and second microphone 220 are located at printed circuit board and liquid
Between brilliant display module group stand 600.
It should be noted that at least one of first microphone and described second microphone include at digital signal
Manage (DSP) chip, that is to say, that at least one in first microphone and the second microphone is intelligent microphone, is needed
It is noted that the intelligence microphone is mainly used for realizing that voice wakes up and artificial intelligent voice interactive function；For example, when described
When only one in first microphone and the second microphone is intelligent microphone, another microphone is for conversing and recording
The common microphone of sound function, the common microphone can be the microphone (referred to as simulation microphone) of output analog signal,
It can be the microphone (abbreviation digital microphone) of output digit signals；The common microphone can be main microphon, at this time intelligence
Energy microphone and main microphon share identical leading note channel, i.e., intelligent microphone and main microphon are co-located under terminal
Portion；The common microphone may be secondary microphone, and intelligent microphone and secondary microphone share identical leading note channel at this time, i.e.,
Intelligent microphone and secondary microphone are co-located on the top of terminal；It should also be noted that, because intelligent microphone is constantly in
Working condition wants the phonetic order of real-time reception user, so once exception occurs in intelligent microphone, will lead to speech recognition
Function can not normal use, seriously affect the usage experience of user, in this case, can use and shared with intelligent microphone
The microphone in same leading note channel realizes the function of intelligent microphone.It should be noted that in such cases, it is common in order to guarantee
The voice signal indifference of microphone and intelligent microphone acquisition is needed the close placement of two microphones, and two microphones
Distance be less than or equal to 1 millimeter.Two microphones can be parallel relative to sound outlet hole mode, can also using one more
Close to sound outlet hole, a mode further from sound outlet hole is placed.
It should also be noted that, when first microphone and the second microphone include dsp chip (that is
First microphone and second microphone are intelligent microphone) when, if one of them can not work normally, enable another one work
When, at this time in order to guarantee the voice signal indifference of two microphones acquisition, need two microphones close to placing, and two
The distance of microphone is less than or equal to 1 millimeter.Two microphones can be parallel relative to sound outlet hole mode, can also use one
A to be closer to sound outlet hole, a mode further from sound outlet hole is placed.
It should be noted that one is intelligence when simulating microphone when having one in two microphones for intelligent microphone
The circuit block diagram of microphone and simulation microphone is as shown in figure 3, from the figure 3, it may be seen that main microphon and the secondary Mike of simulation microphone
Collected voice signal is sent to codec (CODEC) by wind first, and passes through the analog-digital converter in codec
(ADC) voice signal is handled to obtain digital signal, then digital signal is passed to the central processing unit of terminal
(CPU), intelligent microphone obtains digital signal after being handled the voice signal of acquisition, which is passed to terminal
CPU；When have in two microphones one for intelligent microphone, one when being digital microphone, intelligent microphone and digital wheat
The circuit block diagram of gram wind is as shown in figure 4, as shown in Figure 4, and the main microphon and secondary microphone of digital microphone are by collected language
Sound signal obtains digital signal after body interior integrates ADC conversion, which is sent to the CPU of terminal, intelligence
Microphone obtains digital signal after being handled the voice signal of acquisition, which is passed to the CPU of terminal.
Further as shown in figure 5, the soft decision process that the CPU of terminal is realized under such set-up mode are as follows:
Step 501, system default makees voice interactive function using intelligent microphone；
Wherein, after D/A converter module and DSP processing of the voice signal of intelligent microphone acquisition inside, identification
It is responded to instructing and then transmitting out to CPU.
Step 502, whether normal CPU detects intelligent microphone works；
CPU analyzes to obtain the input loudness L of intelligent microphone by internal DSP, in conjunction with intelligent microphone normal use
[L1, L2] is arranged in loudness scope, minimum loudness when wherein L1 is intelligent microphone normal use, and L2 is that intelligent microphone is normal
Maximum loudness when use, when L be located at [L1, L2] it is interior when, show that intelligent microphone works are normal；L < L1 indicates intelligent wheat
Gram wind sends noiseless, and L > L2 indicates that intelligent microphone sends abnormal big (indicating noise) shortly, in such cases, shows intelligence
Energy microphone works are abnormal.
When intelligent microphone works are normal, step 501 is jumped to, when intelligent microphone works are abnormal, executes step
Rapid 503；
Step 503, continue to realize intelligent microphone using the microphone for sharing same leading note channel with intelligent microphone
Voice interactive function；
It should be noted that can be adapted to according to the design of actual microphone leading note: intelligent microphone and main microphon share
One leading note channel then switches main microphon and makees interactive voice, and intelligent microphone shares a leading note channel with secondary microphone and then cuts
It changes secondary microphone and makees interactive voice.
Explanation is needed further exist for, since intelligent microphone and common microphone share a leading note channel, in intelligence
After microphone failure, it can switch immediately using main microphon or secondary microphone, it is ensured that the normal speech identifying function of mobile phone,
Due to sharing a microphone leading note channel, it is constant that microphone receives setting into phoneme for voice, and switches common microphone and make language
Sound interaction, voice frequency response difference very little, the debugging without re-starting audio frequency parameter are adapted to, for a user, using effect
It is undifferentiated with experiencing, evade intelligent microphone failure and leads to not the problem of waking up using voice.If intelligent Mike
There is not Problem of Failure in wind, then can do speech recognition using intelligent microphone always, once intelligent microphone failure, then can switch
Speech recognition is done to common microphone, greatly reduces disabler ratio, product service life is extended, improves product
Designed reliability, while also reducing occupancy of the leading note channel to terminal inner space of microphone.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
It adorns also within the protection scope of the present utility model.
Claims (7)
1. a kind of terminal characterized by comprising
Shell offers sound outlet hole on the shell；
It is set to the first microphone and second microphone of the enclosure interior；
It is set to the sealing structure of the enclosure interior, the inside of the sealing structure forms a seal chamber, the seal chamber structure
At the leading note channel of first microphone and the second microphone, the leading note channel is connected to the sound outlet hole.
2. terminal according to claim 1, which is characterized in that the sealing structure includes:
Mounting plate；
The seal being covered on the mounting plate；
The seal chamber is formed between the seal and the mounting plate, and the connection sealing is offered on the seal
The first through hole of chamber and the sound outlet hole.
3. terminal according to claim 2, which is characterized in that first microphone and the second microphone are respectively provided with
In on the mounting plate, and it is located at the inside of the seal chamber.
4. terminal according to claim 2, which is characterized in that first microphone and the second microphone are respectively provided with
It is opened up in side opposite with the seal on the mounting plate, and on the mounting plate there are two the second through-hole, described the
The sound hole of the sound hole of one microphone and the second microphone passes through second through-hole respectively and is connected to the sound outlet hole.
5. according to the described in any item terminals of claim 2-4, which is characterized in that the mounting plate is the printing electricity of the terminal
Road plate.
6. terminal according to claim 1, which is characterized in that in first microphone and the second microphone extremely
Few one includes digital signal processing chip.
7. terminal according to claim 6, which is characterized in that between first microphone and the second microphone
Distance is less than or equal to 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780226.6U CN209659528U (en) | 2019-05-28 | 2019-05-28 | A kind of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780226.6U CN209659528U (en) | 2019-05-28 | 2019-05-28 | A kind of terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659528U true CN209659528U (en) | 2019-11-19 |
Family
ID=68530555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920780226.6U Active CN209659528U (en) | 2019-05-28 | 2019-05-28 | A kind of terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659528U (en) |
-
2019
- 2019-05-28 CN CN201920780226.6U patent/CN209659528U/en active Active
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