CN102469386A - Vehicular audio regeneration device and vehicular audio regeneration method - Google Patents
Vehicular audio regeneration device and vehicular audio regeneration method Download PDFInfo
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- CN102469386A CN102469386A CN2010105395682A CN201010539568A CN102469386A CN 102469386 A CN102469386 A CN 102469386A CN 2010105395682 A CN2010105395682 A CN 2010105395682A CN 201010539568 A CN201010539568 A CN 201010539568A CN 102469386 A CN102469386 A CN 102469386A
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- 238000011069 regeneration method Methods 0.000 title claims abstract description 49
- 230000008929 regeneration Effects 0.000 title claims abstract description 47
- 230000005236 sound signal Effects 0.000 claims abstract description 67
- 238000004891 communication Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 10
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Abstract
The invention discloses a vehicular audio regeneration device and a vehicular audio regeneration method. The influence of operation identification sounds of external equipment on audio regeneration quality can be avoided. The vehicular audio regeneration device is provided with a communication part, a regeneration part and a control part, wherein the communication part communicates with the external equipment, and receives an audio signal from the external equipment; the regeneration part regenerates the audio signal received from the communication part; and the control part controls the external equipment not to produce the operation identification sounds in the process of regenerating the audio signal.
Description
Technical field
The present invention relates to a kind of vehicle mounted audio playback and method, relate in particular to vehicle mounted audio playback and method that the operation identification sound of having avoided external equipment influences the audio reproduction quality.
Background technology
Development along with multimedia player; The function of vehicle mounted audio playback no longer only limits to regenerate CD, broadcast listening; More vehicle mounted audio playback can be connected with external equipment; And the audio or video in the regeneration said external player, wherein said external equipment is that IPOD etc. can reproducing audio and the external played device of video.
Usually, said external equipment for example has: audio signal generation portion is used to generate audio signal; Operating portion; Operation identification sound generation portion sends aforesaid operations identification sound during from the operation signal of aforesaid operations portion in input; And audio mix portion, aforesaid operations is discerned sound and above-mentioned audio signal is mixed into the audio mix signal.
Above-mentioned vehicle mounted audio playback for example has: operating portion, constitute by the button of difference in functionality, knob, switch etc., be used to accept from the user regeneration, stop, operation such as volume adjusting; Display part is used to show the information relevant with reproducing contents and relevant information, perhaps display video information etc. with reproduced state; Broadcast reception portion is via receiving broadcast signals such as antenna, tuners; The broadcast demodulation circuit converts the broadcast singal that receives into capable of regeneration audio signal; Department of Communication Force communicates with external equipment, from said external equipment received audio signal or audio mix signal; Regeneration portion regenerates to the audio signal or the audio mix signal that receive from above-mentioned Department of Communication Force; Control part carries out various controls according to instruction or regulated procedure that the user imported to the regenerative process of said audio signal.
But; When the audio mix signal that above-mentioned vehicle mounted audio playback regeneration aforesaid operations identification sound and above-mentioned audio signal mix; The user who has hopes only to hear audio signal; For such user, the said external operation of equipment identification sound that is mingled in the above-mentioned audio signal becomes a kind of noise, has therefore influenced the regeneration quality of audio signal.
Summary of the invention
In view of the above problems, the object of the invention is to provide a kind of vehicle mounted audio playback and method, in the time of can avoiding the audio or video in the regeneration external equipment, influences the regeneration quality of audio signal because of the operation identification sound of external equipment.
The present invention provides a kind of vehicle mounted audio playback, it is characterized in that possessing: Department of Communication Force communicates with external equipment, from said external equipment received audio signal; Regeneration portion regenerates to the audio signal that receives from said Department of Communication Force; And control part, in the process of the said audio signal of regeneration, control said external equipment and make it not produce operation identification sound.
In said vehicle mounted audio playback, said external equipment has: audio signal generation portion is used to generate said audio signal; Operating portion; Operation identification sound generation portion sends said operation identification sound during from the operation signal of said operating portion in input; And the audio frequency temperature closes portion, and said operation identification sound and said audio signal are mixed into the audio mix signal.
In said vehicle mounted audio playback; Said Department of Communication Force possesses state and confirms portion; When said Department of Communication Force detects said vehicle mounted audio playback and has been connected with said external equipment; This state confirms that portion reads the state of said external equipment; Confirm that at said state the said operation identification sound generation portion that portion detects said external equipment is under the situation of the state that produces operation identification sound, when beginning to regenerate the audio signal of said external equipment in said regeneration portion, said control part is controlled said operation identification sound generation portion makes it not produce said operation identification sound.
In said vehicle mounted audio playback; Said Department of Communication Force possesses state and confirms portion; When said Department of Communication Force detects said vehicle mounted audio playback and has been connected with said external equipment; This state confirms that portion reads the state of said external equipment; Confirm that at said state the said operation identification sound generation portion that portion detects said external equipment is under the situation of the state that produces operation identification sound, when beginning to regenerate the audio signal of said external equipment in said regeneration portion, said control part is controlled said operation identification sound generation portion makes it not produce said operation identification sound; And after said regeneration portion was through with the regeneration of audio signal of said external equipment, said control part control made said operation identification sound generation portion revert to the state that produces said operation identification sound.
The present invention also provides a kind of vehicle mounted audio reproduction method, it is characterized in that, comprising: detect step, detect the vehicle mounted audio playback and be connected with external equipment; Determining step is judged said vehicle mounted audio playback whether begin the to regenerate audio signal of said external equipment; Controlled step has begun to regenerate under the situation of audio signal of said external equipment judging said vehicle mounted audio playback, controls said external equipment and makes it not produce said operation identification sound.
The present invention also provides a kind of vehicle mounted audio reproduction method, it is characterized in that, comprising: detect step, detect the vehicle mounted audio playback and be connected with external equipment; State is confirmed step, after said detection step, confirms that through this state step reads the state of said external equipment, detects said external equipment and whether is in the state that produces operation identification sound; Determining step is detecting under the situation that said external equipment is in the state that produces said operation identification sound, judges said vehicle mounted audio playback whether begin the to regenerate audio signal of said external equipment; And controlled step, begun to regenerate under the situation of audio signal of said external equipment judging said vehicle mounted audio playback, control said external equipment and make it not produce said operation identification sound.
In said vehicle mounted audio reproduction method, also comprise the recovering state step, after the regeneration ending of said audio signal, control reverts to said external equipment and produces the state that sound is discerned in said operation.
Through above-mentioned vehicle mounted audio playback of the present invention and method; Audio or video content in the external apparatus is carried out in the regenerative process; Do not produce the operation identification sound of external equipment, thereby can avoid the operation of external equipment to discern the regeneration quality that sound influences the external equipment audio signal.
Description of drawings
Fig. 1 is the block diagram of structure of the vehicle mounted audio playback of expression first execution mode.
Fig. 2 is the flow chart of action of the vehicle mounted audio playback of expression first execution mode.
Fig. 3 is the block diagram of structure of the vehicle mounted audio playback of expression second execution mode.
Fig. 4 is the flow chart of action of the vehicle mounted audio playback of expression second execution mode.
Fig. 5 is the flow chart that the another kind of the vehicle mounted audio playback of expression second execution mode moves.
Embodiment
(first execution mode)
Below, with reference to Fig. 1 the structure of the vehicle mounted audio playback of first execution mode of the present invention is described.
The external equipment 200 that vehicle mounted audio playback 100 has been shown among Fig. 1 and has been connected with this vehicle mounted audio playback 100.
Above-mentioned vehicle mounted audio playback 100 possesses control part 110, regeneration portion 120, Department of Communication Force 130, amplifier 170, operating portion 180, display part 190 and loud speaker 300.
Above-mentioned Department of Communication Force 130 possesses communication control unit 160, and this communication control unit 160 communicates with external equipment, and from said external equipment 200 received audio signals.
Above-mentioned regeneration portion 120 possesses audio treatment part 140 and audio output part 150; 140 pairs of audio signals that receive from above-mentioned Department of Communication Force 130 of this audio treatment part are carried out Regeneration Treatment; Audio signal through Audio Processing exports amplifier 170 to via audio output part 150, and the audio signal after audio frequency amplifies is through loud speaker 300 outputs.
Above-mentioned control part 110 is in the process of the above-mentioned audio signal of regeneration portion 120 regeneration, and control said external equipment 200 makes it not produce operation identification sound.For example, above-mentioned control part 110 can utilize and external equipment between the interactive instruction operation identification sound generation portion 230 that controls said external equipment 200 make it not produce operation identification sound.In addition, control part 110 also links with each component part of vehicle mounted audio playback, and the action of these formations is controlled, thereby realizes the various functions and the action of vehicle mounted audio playback.
Above-mentioned display part 190 is used to show the information relevant with reproducing contents and relevant information, perhaps display video information etc. with reproduced state.
In addition; Have at vehicle mounted audio playback 100 under the situation of function of broadcast listening; Though not shown, can also include in the vehicle mounted audio playback 100 that antenna, tuner, IF amplifier circuit, phase-locked loop circuit, demodulator circuit etc. receive and the structural element of regeneration broadcast singal.
Below, with reference to Fig. 2 the action of the vehicle mounted audio playback of first execution mode of the present invention is described.
At first, in step S11, control part 110 judges whether to detect above-mentioned vehicle mounted audio playback 100 and is connected with external equipment 200.Be not connected (step S11: " denying ") if control part 110 is judged above-mentioned vehicle mounted audio playback 100, then continue the detection action of execution in step S11 with external equipment 200.Judge at control part 110 (step S11: " being ") under the situation about having connected; Execution in step S12; Through communicating by letter between Department of Communication Force 130 and the external equipment 200, control part 110 is judged above-mentioned vehicle mounted audio playback 100 whether begin the to regenerate audio signal of said external equipment 200.If control part 110 is judged above-mentioned vehicle mounted audio playback 100 do not begin the to regenerate audio signal (step S12: " deny ") of said external equipment 200, the detection that then continues to carry out step S12 is moved.When control part 110 is judged under the situation of audio signal that above-mentioned vehicle mounted audio playback 100 begun regeneration said external equipment 200 (step S12: " being ") execution in step S13.In step S13, it is closed condition that above-mentioned control part 110 controls make the operation identification change of tune of said external equipment 200, that is, make the operation identification sound generation portion in the external equipment 200 not produce the state that sound is discerned in operation.
Because during the audio content in the regeneration said external equipment 200; Said external equipment 200 does not produce operation identification sound, therefore above-mentioned vehicle mounted audio playback 100, the audio signal that through the audio signal of regeneration portion 120 regeneration and output do not comprise operation identification sound 200 that receive from said external equipment through Department of Communication Force 130.Therefore, the operation identification sound of having avoided external equipment 200 to produce influences the problem of the regeneration quality of audio signal.
(second execution mode)
Below, with reference to Fig. 3 the structure of the vehicle mounted audio playback of second execution mode of the present invention is described.
The vehicle mounted audio playback 100 ' that showing among Fig. 3 is connected with external equipment 200.Wherein, the external equipment 200 in this external equipment 200 and first execution mode is identical, omits its explanation at this.
Vehicle mounted audio playback 100 in the above-mentioned vehicle mounted audio playback 100 ' and first execution mode is roughly the same; Possess control part 110, regeneration portion 120, Department of Communication Force 130, amplifier 170, operating portion 180, display part 190 and loud speaker 300, and above-mentioned Department of Communication Force 130 also possesses communication control unit 160.The difference of the vehicle mounted audio playback 100 in this vehicle mounted audio playback 100 ' and the first embodiment of the invention is that above-mentioned Department of Communication Force 130 also possesses state and confirms portion 180 except possessing communication control unit 160.Since except above-mentioned state but the top 180 formation of the vehicle mounted audio playback in the vehicle mounted audio playback of this execution mode and 100 ' and first execution mode identical, so in this omission related description.
When said Department of Communication Force 130 detected above-mentioned vehicle mounted audio playback 100 ' and is connected with said external equipment 200, this state confirmed that portion 180 reads the state of said external equipment 200.If above-mentioned state is confirmed the aforesaid operations identification sound generation portion 230 that portion 180 detects said external equipment 200 and is in the state that produces operation identification sound; When then beginning to regenerate the audio signal of said external equipment 200 in above-mentioned regeneration portion 120, above-mentioned control part 110 control said external equipment 200 make it not produce operation identification sound.Specifically, above-mentioned control part 110 utilize and external equipment between the interactive instruction operation identification sound generation portion 230 that controls said external equipment 200 make it not produce operation identification sound.
Below, with reference to Fig. 4 the action of the vehicle mounted audio playback 100 ' of second execution mode of the present invention is described.
At first, in step S21, control part 110 judges whether to detect above-mentioned vehicle mounted audio playback 100 ' and has been connected with external equipment 200.Be not connected (step S21: " denying ") if control part 110 is judged above-mentioned vehicle mounted audio playback 100 ', then continue the detection action of execution in step S21 with external equipment 200.Judging (step S21: " being ") under the situation about having connected, in step S22, above-mentioned state confirms that portion 180 reads and the state of definite said external equipment 200.In step S23; The result who reads according to step S22; Whether above-mentioned state confirms portion 180 judges whether the operation identification sound of said external equipment 200 is in opening, that is, be to make the operation identification sound generation portion 230 in the external equipment 200 produce the state that sound is discerned in operation.
If the operation of said external equipment 200 identification sound generation portion 230 is not in the state that produces operation identification sound; The operation identification sound that is said external equipment 200 is in closed condition (step S23: " deny "), then finishes this processing and carries out normal audio reproduction processing.
If the operation of said external equipment 200 identification sound generation portion 230 is in the state that produces operation identification sound, i.e. the operation of said external equipment 200 identification sound is in opening (step S23: " being "), then execution in step S24.
In step S24,, judge whether above-mentioned vehicle mounted audio playback 100 ' has begun the audio signal of regeneration said external equipment 200 through communicating by letter between Department of Communication Force 130 and the external equipment 200.If judge above-mentioned vehicle mounted audio playback 100 ' do not begin the to regenerate audio signal (step S24: " deny ") of said external equipment 200, the detection that then continues to carry out step S24 is moved.When judging under the situation of audio signal that above-mentioned vehicle mounted audio playback 100 ' begun regeneration said external equipment 200 (step S24: " being ") execution in step S25.In step S25, it is closed condition that above-mentioned control part 110 makes the operation identification change of tune of said external equipment 200, that is, make the operation identification sound generation portion 230 in the external equipment 200 not produce the state that sound is discerned in operation.
Compare with above-mentioned first execution mode; Increase state in this second execution mode and confirmed portion 180; This state confirms that portion 180 can confirm the On/Off state of the operation of said external equipment 200 identification sound; Therefore, only the operation identification sound at said external equipment 200 is under the situation of opening, and vehicle mounted audio playback 100 ' is carried out the action of closing this operation identification sound; And be under the closed condition at the operation identification sound of said external equipment 200, vehicle mounted audio playback 100 ' directly carries out normal music playback to be handled.Except the technique effect that can obtain above-mentioned first execution mode, can further save the unnecessary processing step like this, thus the resource of the system of saving.
In addition, Fig. 5 shows the another kind of motion flow of the vehicle mounted audio playback of second execution mode of the present invention.
Step S21 among Fig. 5～S25 is identical with step S21～S25 among Fig. 4, omits related description at this.But make it not produce operation identification sound (step 25) afterwards at above-mentioned control part 110 control said external equipment 200, also execution in step S26 and step S27.In step S26; Control part 110 judges whether the regeneration to the audio signal of external equipment finishes; When be judged as regeneration to the audio signal of external equipment finished after (step S26: " being "), advance to step S27, above-mentioned control part 110 makes the operation identification sound of said external equipment 200 revert to opening; That is, make the operation identification sound generation portion 230 in the external equipment 200 revert to the state that produces operation identification sound.Otherwise,, then continue the judgement of execution in step S26 and move if be judged as when surviving again of the audio signal of external equipment do not finished (step S26: " deny ").
Through carrying out above-mentioned steps S26 and step S27, when said external equipment 200 broke off with above-mentioned vehicle mounted audio playback 100 ', said external equipment 200 can keep being connected with above-mentioned vehicle mounted audio playback 100 ' the preceding state that is provided with.Because the state that is provided with of external equipment 200 does not change; Therefore the user needn't reset the state of said external equipment 200 with above-mentioned vehicle mounted audio playback 100 ' at disconnection said external equipment 200 afterwards, can other uses of external equipment 200 not impacted.
(other execution modes)
Broad scope of the present invention is not limited to the particular content put down in writing in the above-mentioned execution mode, under the situation that does not depart from technical conceive scope of the present invention, can make various changes.
In above-mentioned first execution mode and second execution mode, put down in writing the example of after control part 110 detects above-mentioned vehicle mounted audio playback and external equipment 200 is connected, carrying out the state that changes external equipment 200; But be not limited only to this opportunity of carrying out the state that changes external equipment 200; Also can be after control part 110 detects above-mentioned vehicle mounted audio playback 100 and external equipment 200 is connected; Whether the prompting user changes the state of the operation identification sound of external equipment 200 earlier, is selected through the operating portion 180 of vehicle mounted audio playback 100 by the user then.In addition, can also before carrying out above-mentioned judgement, determine whether to adopt external equipment 200 as source of sound to the user earlier, under the situation that for example user only hopes external equipment 200 is charged, then control part 110 need not carry out other operations to external equipment 200.
In addition, it is also conceivable that whether external equipment 200 is in the situation of lockup state.That is, external apparatus 200 is under the situation of lockup state, does not change the state that is provided with of the operation identification sound of external equipment 200; External apparatus 200 is not under the situation of lockup state, just carries out the action of the state that is provided with of the operation identification sound that changes external equipment 200.
In addition; In above-mentioned all execution modes; The operation identification sound generation portion 230 that control part 110 control external equipments 200 are in the control external equipment 200 its method that does not produce operation identification sound does not produce operation identification sound; But can adopt following method: do not change the state of operation identification sound generation portion 230, just control is not exported to audio mix portion 240 by the operation identification sound that operation identification sound generation portion 230 produces, and makes it to mix with the audio reproduction signal that is generated by audio signal generation portion yet; The audio reproduction signal of audio signal generation portion generation will directly be exported to the vehicle mounted audio playback like this, is processed, exports.Thereby just can not send operation identification sound.
In addition, the external equipment among the present invention only be not limited to can reproducing audio player, also can be the various multimedia players of video of can either reproducing audio can regenerating again.
Claims (7)
1. vehicle mounted audio playback is characterized in that possessing:
Department of Communication Force communicates with external equipment, from said external equipment received audio signal;
Regeneration portion regenerates to the audio signal that receives from said Department of Communication Force; And
Control part in the process of the said audio signal of regeneration, is controlled said external equipment and is made it not produce operation identification sound.
2. vehicle mounted audio playback as claimed in claim 1 is characterized in that,
Said external equipment has: audio signal generation portion is used to generate said audio signal; Operating portion; Operation identification sound generation portion sends said operation identification sound during from the operation signal of said operating portion in input; And audio mix portion, said operation identification sound and said audio signal are mixed into the audio mix signal.
3. vehicle mounted audio playback as claimed in claim 2 is characterized in that,
Said Department of Communication Force possesses state and confirms portion, and when said Department of Communication Force detected said vehicle mounted audio playback and has been connected with said external equipment, this state confirmed that portion reads the state of said external equipment,
Confirm that at said state the said operation identification sound generation portion that portion detects said external equipment is under the situation of the state that produces operation identification sound; When the audio signal of said external equipment was being regenerated by said regeneration portion, said control part is controlled said operation identification sound generation portion made it not produce said operation identification sound.
4. vehicle mounted audio playback as claimed in claim 2 is characterized in that,
Said Department of Communication Force possesses state and confirms portion, and when said Department of Communication Force detected said vehicle mounted audio playback and has been connected with said external equipment, this state confirmed that portion reads the state of said external equipment,
Confirm that at said state the said operation identification sound generation portion that portion detects said external equipment is under the situation of the state that produces operation identification sound; When said regeneration portion begins to regenerate the audio signal of said external equipment; Said control part is controlled said operation identification sound generation portion makes it not produce said operation identification sound; And after said regeneration portion was through with the regeneration of audio signal of said external equipment, said control part control made said operation identification sound generation portion revert to the state that produces said operation identification sound.
5. a vehicle mounted audio reproduction method is characterized in that, comprising:
Detect step, detect the vehicle mounted audio playback and be connected with external equipment;
Determining step is judged said vehicle mounted audio playback whether begin the to regenerate audio signal of said external equipment; And
Controlled step has begun to regenerate under the situation of audio signal of said external equipment judging said vehicle mounted audio playback, controls said external equipment and makes it not produce said operation identification sound.
6. a vehicle mounted audio reproduction method is characterized in that, comprising:
Detect step, detect the vehicle mounted audio playback and be connected with external equipment;
State is confirmed step, after said detection step, through reading the state of said external equipment, detects said external equipment and whether is in the state that produces operation identification sound;
Determining step is detecting under the situation that said external equipment is in the state that produces said operation identification sound, judges said vehicle mounted audio playback whether begin the to regenerate audio signal of said external equipment; And
Controlled step has begun to regenerate under the situation of audio signal of said external equipment judging said vehicle mounted audio playback, controls said external equipment and makes it not produce said operation identification sound.
7. vehicle mounted audio reproduction method as claimed in claim 6 is characterized in that,
Also comprise the recovering state step, after the regeneration ending of said audio signal, control reverts to said external equipment and produces the state that sound is discerned in said operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010539568.2A CN102469386B (en) | 2010-11-05 | 2010-11-05 | Vehicle-mounted audio playback and vehicle-mounted audio reproduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010539568.2A CN102469386B (en) | 2010-11-05 | 2010-11-05 | Vehicle-mounted audio playback and vehicle-mounted audio reproduction method |
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| CN102469386A true CN102469386A (en) | 2012-05-23 |
| CN102469386B CN102469386B (en) | 2016-01-27 |
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| CN102469386B (en) | 2016-01-27 |
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