CN100489647C - Projection display device and method for realizing voice prompt - Google Patents
Projection display device and method for realizing voice prompt Download PDFInfo
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- CN100489647C CN100489647C CNB2005100557603A CN200510055760A CN100489647C CN 100489647 C CN100489647 C CN 100489647C CN B2005100557603 A CNB2005100557603 A CN B2005100557603A CN 200510055760 A CN200510055760 A CN 200510055760A CN 100489647 C CN100489647 C CN 100489647C
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Abstract
This invention relates to a projection display device and method for realizing voice prompt. Wherein, the device comprises a power; an electric unit to receive and convert video and/or audio signal into light control signal to send to following unit, which comprises a system monitor module, a front image process module, an I/O interface, a display drive module, a temperature sensor groupware and a heat-disperse module; an optical unit to receive former signal for display; and a voice prompt unit to receive the prompt signal from the monitor module and/or front process module and transfer into voice signal for display. It also comprises the opposite voice prompt method with intelligence and humanization.
Description
Technical field
The present invention relates to projection display technique, refer to the method for a kind of projection display equipment and realization voice suggestion thereof especially.
Background technology
Projection display equipment is a kind of large-screen display equipment, is widely used in aspects such as commercial exhibition, school instruction, commercial amusement, home entertaining.Fig. 1 is the composition structural drawing of a kind of projection display equipment in the prior art.As shown in Figure 1, projection display equipment comprises optical unit 101, electronic unit 102 and power supply 103.
Wherein, optical unit 101 is used for showing from electronic unit 102 reception optical control signals.Optical unit 101 comprises light source 104 and light engine 105, and described light source 104 can adopt bulb or other luminescent device to realize.
Front end image processing module 107 is used to handle the signal of video signal of input/output signal interface 108 inputs, and signal of video signal is delivered to driver module 109.The operational order that this module also is used to receive and process user is imported by input equipments such as telepilot or guidance panels.
Input/output signal interface 108 provides video input interface, such as Video Graphics Array (VGA) interface, Digital Visual Interface (DVI), video (Video) interface etc., be used for receiving signal of video signal, and this signal of video signal is sent to front end image processing module 107 handles from outside sources such as computing machines.
Also have a kind of projection display equipment of energy received audio signal in the prior art, Fig. 2 is the composition structural drawing of this projection display equipment.
As shown in Figure 2, projection display equipment comprises optical unit 101, electronic unit 102 and power supply 103.
Wherein, optical unit 101 comprises light source 104 and light engine 105.
The annexation of above-mentioned each ingredient is identical with Fig. 1, repeats no more herein.
Further, electronic unit 102 also comprises audio processing modules.Described audio processing modules is realized that by audio-frequency power amplifier 112 and loudspeaker 113 wherein audio-frequency power amplifier 112 is by power supply 103 power supplies.
In addition, the input/output signal interface 108 in the electronic unit 102 not only provides video input interface, and voice band line input (Audio Line In) interface can also be provided.Input/output signal interface 108 passes through Audio Line In interface from the outside, received audio signal such as computer sound card for example, then sound signal is sent to audio-frequency power amplifier 112 and amplify, the sound signal after the amplification is converted to voice signal by loudspeaker 113 and plays.
Because projection display equipment is the electronic equipment of the high complexity of many-sided technology combination such as light, mechanical, electrical grade, so projection display equipment is more fragile.Such as: projection display equipment adopts metal halide lamp or high-pressure sodium lamp as projection light source usually, these light sources need the outside that it is carried out high voltage, big electric current power supply, and can when work, produce very high temperature, therefore projection display equipment works in the rugged surroundings of high temperature, high voltage, big electric current constantly, and parts such as the bulb of device inside, circuit board belong to the vulnerable component that can't bear high temperature, these parts are easy to Yin Wendu too high and reduction of service life even damage, thereby influence the quality of projection image.For these reasons, the system monitoring module that projection display equipment inside is provided with superior cooling system and states such as temperature, voltage is monitored in real time is so that break down or state is in time pointed out the user when changing at device.
Existing reminding method is as follows: when system monitoring module monitors auto levelizer broke down, this module was sent signal controlling diode pilot lamp (LED) flicker, perhaps points out the user by screen display (OSD) mode.Perhaps, the front end image processing module monitors when device is current to be in special state, and this module is sent signal controlling LED flicker, perhaps points out the user by the OSD mode.
The situation that above-mentioned fault is meant equipment overheat, bulb is unusual or fan fails etc. easily causes projection display equipment to damage.When device broke down, the system monitoring module was sent alerting signal prompting user.Above-mentioned special state is meant: projection display equipment is about to shutdown or bulb reaches situations such as serviceable life.When device was in special state, the front end image processing module sent condition prompting signal prompt user.Among the application, the particular state that the failure condition and the special state of projection display equipment is referred to as projection display equipment.
Because existing reminding method only adopts LED flicker or OSD mode simply to point out, can't guarantee that the user in time obtains information on the one hand, such as: when the projection display equipment furred ceiling is installed, the user is difficult to notice the luminous indication of LED light, can not get management in time and maintenance when making projection display equipment be in particular state.On the other hand, existing LED reminding method adopts identical prompting to particular state, so the state or the failure message of more projection display equipments can't further be provided to the user, make the user be difficult to promptly find or orientation problem, thereby limited the maintainability and the manageability of projection display equipment.
Along with design miniaturization day by day, the portability of projection display equipment, the integrated level that it is inner and the measure of precision of parts are more and more higher, and the reminding method of device is had higher requirement.
Simultaneously, the range of application of projection display equipment is more and more wider, enters family as consumption amusement class of electronic devices just step by step.This applied environment makes the user all have higher requirement to the intelligent degree of projection display equipment and the aspects such as hommization of operation.Existing projection display equipment can only show simple message status to the user by screen, or by LED light the user is simply pointed out, and can't satisfy user's requirement.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of projection display equipment, makes this device carry out information indicating to the user better.
Another purpose of the present invention is to utilize above-mentioned projection display equipment that a kind of method that realizes voice suggestion is provided, and makes projection display equipment intelligent more to user's information indicating, and is easier to be known by the user.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of projection display equipment comprises: power supply,
Electronic unit, be used to receive and handle the image and/or the sound signal of outside source input, and signal of video signal is converted to optical control signal sends to optical unit, described electronic unit comprises: system monitoring module, front end image processing module, input/output signal interface, driver module, sets of temperature sensors and radiating module;
Optical unit is used for receiving optical control signal from electronic unit and shows;
It is characterized in that this device also comprises:
Voice alerting unit comprises speech control module; Described speech control module is made up of chipspeech and the microcontroller that is provided with the cue concordance list; Described microcontroller is used for the cue of the sign particular state that receiving system monitoring module and/or front end image processing module send when projection display equipment is in particular state, and sends according to the cue concordance list and find text signal to chipspeech; Chipspeech synthesizes the text signal that receives for the audio sound of playing.
Described electronic unit further comprises: audio processing modules, the sound signal that is used for receiving are converted to voice signal and play;
Also comprise in the described voice alerting unit:
The audio signal source handover module is used to receive the sound signal that sound signal that the input/output signal interface sends and chipspeech send, and the steering order gating that sends according to microcontroller wherein one tunnel sound signal send to audio processing modules.
Further, also comprise in the described voice alerting unit:
Audio processing modules, the sound signal that is used for receiving are converted to voice signal and play.
Further, described audio processing modules comprises: audio-frequency power amplifier and loudspeaker.
A kind of method that realizes voice suggestion, be applied to projection display equipment, it is characterized in that the voice alerting unit in the described projection display equipment comprises speech control module, described speech control module is made up of chipspeech and the microcontroller that is provided with the cue concordance list;
This method may further comprise the steps:
A, electronic unit monitor projection display equipment and are in particular state, send the cue that characterizes particular state to microcontroller;
B, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, text signal is synthesized for the sound signal of playing by chipspeech.
Preferably, also comprise audio processing modules in the described voice alerting unit, then the described method of step b comprises:
B11, microprocessor detect self whether to receive cue, if receive cue execution in step b12, continue to detect otherwise return step b11;
B12, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, by chipspeech text signal is synthesized sound signal and send to audio processing modules;
B13, audio processing modules are converted to voice signal with the sound signal that receives and play, and realize voice suggestion.
Further, also comprise the audio signal source handover module in the described voice alerting unit, then the described method of step b comprises:
B21, microcontroller detect self whether to receive cue, if receive cue, then send steering order to the audio signal source handover module, the audio signal source handover module is received the audio signal output of steering order backgating chipspeech, and execution in step b22, continue to detect otherwise return step b21;
B22, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, by chipspeech text signal is converted to sound signal, described sound signal is sent to audio processing modules by the audio signal source handover module;
B23, audio processing modules are converted to voice signal with the sound signal that receives and play, and realize voice suggestion.
As seen from the above technical solution, this projection display equipment of the present invention increases voice alerting unit, the cue that this voice alerting unit is sent system monitoring module or front end image processing module is converted to voice signal and plays, and guarantees that the user in time knows the information of projection display equipment.
Further, voice alerting unit is provided with the cue concordance list, sends different sound according to the cue of the sign particular state that receives, and makes the user obtain the information of more projection display equipments from voice suggestion.
The present invention realizes that cue that the method for voice suggestion adopts voice alerting unit that system monitoring module or front end image processing module are sent is converted to voice signal the user is pointed out, and makes information indicating intelligence and hommization more.
Description of drawings
Fig. 1 is the composition structural drawing of a kind of projection display equipment of the prior art;
Fig. 2 is the composition structural drawing of another kind of projection display equipment of the prior art;
Fig. 3 is the composition structural drawing of projection display equipment in the first embodiment of the invention;
Fig. 4 is the composition structural drawing of projection display equipment in the second embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
First embodiment:
Fig. 3 is the composition structural drawing of the described projection display equipment of present embodiment.Based on device shown in Figure 1, the described projection display equipment of present embodiment comprises: optical unit 201, electronic unit 202 and power supply 203.Wherein, optical unit 201 comprises light source 204 and light engine 205.Electronic unit 202 comprises system monitoring module 206, front end image processing module 207, input/output signal interface 208, driver module 209, sets of temperature sensors 210 and radiating module 211.Annexation between the above-mentioned module is identical with Fig. 1, repeats no more herein.
Further, this projection display equipment also comprises: voice alerting unit 212, be used for the cue that sign projection display equipment that receiving system monitoring module 206 and/or front end image processing module 207 send is in particular state, and according to cue to user's prompting of sounding.
In the described projection display equipment of present embodiment, when system monitoring module 206 monitored unusual condition, different faults such as unusual or fan fails was sent corresponding cue at overheated, bulb.Described cue can be a text signal, also can be simple status signal.Such as: the text signal that sends " temperature is too high, please shut down and wait for start again after ten minutes " at overheated situation; Or fan sends the text signal of " fan failure please overhaul " when breaking down; Or send status signal etc. unusually at bulb.
Front end image processing module 207 also can send corresponding cue at the state variation of devices such as shutting down, more change the bulb.Described cue can be a text signal, also can be simple status signal.Such as: the text signal that sends " please temporarily not cutting off AC power, the waiting system cooling " during shutdown; Or the text signal of " heat radiation finishes, can cut off AC power " is sent in the heat radiation of shutdown back when finishing; Or bulb sends the text signal of " please more changing the bulb " when reaching serviceable life.
Described voice alerting unit 212 comprises: speech control module 213 and audio processing modules.Wherein, speech control module 213 is used for the cue of the sign projection display equipment particular state that receiving system monitoring module 206 and/or front end image processing module 207 send, and output corresponding audio signal is converted to voice signal by audio processing modules with sound signal and plays to audio processing modules.
In the practical application, speech control module 213 adopts 8051 Series of MCU and chipspeech XF1M01 to realize.Described microcontroller sets in advance the cue concordance list, and this concordance list is provided with corresponding text signal or voltage signal for the cue of each particular state.After microcontroller receives cue, search the cue concordance list, and the text/voltage signal of correspondence is sent to chipspeech.Chipspeech is with the text/voltage signal synthetic speech signal output that receives.
Described audio processing modules is realized by audio-frequency power amplifier 214 and loudspeaker 215, is converted to voice signal after the voice signal that is used for receiving amplifies and plays.
In the practical application, audio-frequency power amplifier 214 adopts frequency power amplifying IC LM1877 to realize that the peak power output of LM1877 is 5 watts.Loudspeaker 215 employing rated power are 5 watts loudspeaker, so that produce enough loud sound in various environments for use, make the user can in time know the cue of projection display equipment.
Because the cue that system monitoring module 206 and/or front end image processing module 207 send can be a text signal, so microcontroller can directly send to the text signal that receives chipspeech XF1M01 and carry out phonetic synthesis, the voice signal of output correspondence then is to audio processing modules.
If the cue that system monitoring module 206 and/or front end image processing module 207 send is simple status signal, then speech control module 213 can adopt 8051 Series of MCU to realize.Described microcontroller is preserved the cue concordance list in advance, and this concordance list is provided with the corresponding audio signal for each status signal.After microcontroller receives cue, find the corresponding audio signal and export to audio processing modules according to concordance list.Described sound signal can be simple voltage signal, and then audio processing modules is realized by hummer, controls the time of hummer sounding by voltage signal and points out to the user with different tickings.
Based on projection display equipment shown in Figure 3, projection display equipment realizes that the method for voice suggestion specifically may further comprise the steps in the present embodiment:
A1, system monitoring module 206 and/or front end image processing module 207 monitor device when being in particular state, send cue to voice alerting unit.
B1, voice alerting unit receive cue, cue is converted to voice signal plays.
Among the step b1, voice alerting unit is specifically worked as follows:
11, speech control module detects it and whether receives cue, and execution in step 12 when receiving cue, otherwise speech control module continues to detect whether receive cue.
12, speech control module is converted to sound signal with the cue that receives and sends to audio processing modules.
This step has two kinds of implementations: if cue is a text signal, speech control module directly sends to audio processing modules with the text signal synthetic speech signal; If cue is a status signal, speech control module sets in advance the cue concordance list, searches the corresponding audio signal or control signal sends to audio processing modules according to concordance list.
13, audio processing modules is converted to voice signal with sound signal and plays.
In this step, the sound signal that audio processing modules receives is an electric signal, so audio processing modules is a voice signal with electrical signal conversion.
Such as: the cue that receives in the step 11 is text signal " fan failure please overhaul ", and what then audio processing modules sent is " fan failure please overhaul " of imitation voice.
The method of the described voice suggestion of present embodiment has improved the intelligent degree of projection display equipment, makes device be easy to more administer and maintain, and provides the prompting mode of hommization more for the user.
Second embodiment:
Based on device shown in Figure 2, Fig. 4 is the composition structural drawing of the described projection display equipment of present embodiment, and this projection display equipment comprises: optical unit 201, electronic unit 202 and power supply 203.Wherein, optical unit 201 comprises light source 204 and light engine 205.Electronic unit 202 comprises system monitoring module 206, front end image processing module 207, input/output signal interface 208, driver module 209, sets of temperature sensors 210, radiating module 211 and audio processing modules.Described audio processing modules adopts audio-frequency power amplifier 214 and loudspeaker 215 to realize.Annexation between the above-mentioned module is identical with Fig. 2, repeats no more herein.
Further, this projection display equipment also comprises: voice alerting unit 212, be used for the cue that receiving system monitoring module 206 and/or front end image processing module 207 send, and according to cue to user's prompting of sounding.Voice alerting unit 212 comprises: the speech control module 213 and the audio signal source handover module 216 that are used for receiving system monitoring module 206 and/or front end image processing module 207 cue that sends.
Described speech control module 213 can adopt microcontroller and chipspeech to realize, also can only adopt microcontroller to realize that its implementation is identical with embodiment one.This speech control module sends to audio signal source handover module 216 after the cue that receives is converted to sound signal.
Audio signal source handover module 216 receives the input of two-way audio signal, and one the tunnel is that this sound signal is from outer audio equipments such as computer sound cards from the sound signal of input/output signal interface 208 inputs; Another road is the sound signal from speech control module 213 inputs.Audio signal source handover module 216 can only gating wherein one tunnel sound signal send to audio-frequency power amplifier 214 and amplify, and play to the user by loudspeaker 215.The gating of 216 pairs of sound signals of audio signal source handover module is subjected to speech control module 213 controls.Generally speaking, the sound signal of audio signal source handover module 216 gating input/output signal interfaces input is play.After speech control module 213 receives cue, send steering order to audio signal source handover module 216, make the sound signal of audio signal source handover module 216 gating speech control modules 213 inputs, what loudspeaker 215 was play at this moment is the sound signal of speech control module 213 inputs.
Above-mentioned audio signal source handover module 216 can adopt the CD74HCT4053 chip of TIX to realize.
On projection display equipment basis shown in Figure 4, projection display equipment realizes that the method for voice suggestion comprises in the present embodiment:
A2, system monitoring module 206 and/or front end image processing module 207 monitor device and are in particular state, send cue to voice alerting unit.
B2, voice alerting unit receive cue, cue is converted to voice signal plays.
Step b2 specifically comprises:
21, speech control module detects it and whether receives cue, and execution in step 22 when receiving cue, otherwise continues to detect.
22, speech control module sends steering order to the audio signal source handover module, makes the output of audio signal source handover module gating speech control module.
In this step, after the audio signal source handover module receives steering order, disconnect the connection between input/output signal interface and the audio-frequency power amplifier earlier, output with speech control module is connected on the audio-frequency power amplifier then, then audio-frequency power amplifier waiting voice control module output audio signal.
23, speech control module is converted to sound signal with the cue that receives, and by the audio signal source handover module sound signal is sent to audio-frequency power amplifier.
This step is identical with the step 12 of method described in the embodiment one, and two kinds of implementations are arranged: if cue is a text signal, speech control module directly sends to audio processing modules with the text signal synthetic speech signal; If cue is a status signal, speech control module sets in advance the cue concordance list, searches the corresponding audio signal or control signal sends to audio processing modules according to concordance list.
24, the sound signal that receives of audio-frequency power amplifier 214 amplification procedures 23, and by loudspeaker this sound signal is converted to voice signal and plays.
By the above embodiments as seen, the method of this projection display equipment of the present invention and realization voice suggestion is converted to voice signal with cue and plays, guarantee that the user in time knows the status information of projection display equipment, make information indicating intelligence and hommization more, and make the user from voice suggestion, obtain the information of more projection display equipments.
Claims (7)
1, a kind of projection display equipment comprises: power supply,
Electronic unit, be used to receive and handle the image and/or the sound signal of outside source input, and signal of video signal is converted to optical control signal sends to optical unit, described electronic unit comprises: system monitoring module, front end image processing module, input/output signal interface, driver module, sets of temperature sensors and radiating module;
Optical unit is used for receiving optical control signal from electronic unit and shows;
It is characterized in that this device also comprises:
Voice alerting unit comprises speech control module; Described speech control module is made up of chipspeech and the microcontroller that is provided with the cue concordance list; Described microcontroller is used for the cue of the sign particular state that receiving system monitoring module and/or front end image processing module send when projection display equipment is in particular state, and sends the text signal that finds according to the cue concordance list to chipspeech; Described chipspeech synthesizes the text signal that receives for the sound signal of playing.
2, device according to claim 1 is characterized in that, described electronic unit further comprises: audio processing modules, the sound signal that is used for receiving are converted to voice signal and play;
Also comprise in the described voice alerting unit:
The audio signal source handover module is used to receive the sound signal that sound signal that the input/output signal interface sends and chipspeech send, and the steering order gating that sends according to microcontroller wherein one tunnel sound signal send to audio processing modules.
3, device according to claim 1 is characterized in that, also comprises in the described voice alerting unit:
Audio processing modules, the sound signal that is used for receiving are converted to voice signal and play.
4, according to claim 2 or 3 described devices, it is characterized in that described audio processing modules comprises: audio-frequency power amplifier and loudspeaker.
5, a kind of method that realizes voice suggestion, be applied to projection display equipment, it is characterized in that the voice alerting unit in the described projection display equipment comprises speech control module, described speech control module is made up of chipspeech and the microcontroller that is provided with the cue concordance list; This method may further comprise the steps:
A, electronic unit monitor projection display equipment and are in particular state, send the cue that characterizes particular state to microcontroller;
B, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, text signal is synthesized for the sound signal of playing by chipspeech.
6, method according to claim 5 is characterized in that, also comprises audio processing modules in the described voice alerting unit, and then the described method of step b comprises:
B11, microcontroller detect self whether to receive cue, if receive cue execution in step b12, continue to detect otherwise return step b11;
B12, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, by chipspeech text signal is synthesized sound signal and send to audio processing modules;
B13, audio processing modules are converted to voice signal with the sound signal that receives and play, and realize voice suggestion.
7, method according to claim 5 is characterized in that, also comprises the audio signal source handover module in the described voice alerting unit, and then the described method of step b comprises:
B21, microcontroller detect self whether to receive cue, if receive cue, then send steering order to the audio signal source handover module, the audio signal source handover module is received the audio signal output of steering order backgating chipspeech, and execution in step b22, continue to detect otherwise return step b21;
B22, microcontroller are searched the text signal of the cue correspondence that receives according to the cue concordance list that is provided with, the text signal of described cue correspondence is sent to chipspeech, by chipspeech text signal is converted to sound signal, described sound signal is sent to audio processing modules by the audio signal source handover module;
B23, audio processing modules are converted to voice signal with the sound signal that receives and play, and realize voice suggestion.
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| CNB2005100557603A CN100489647C (en) | 2005-03-21 | 2005-03-21 | Projection display device and method for realizing voice prompt |
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| CNB2005100557603A CN100489647C (en) | 2005-03-21 | 2005-03-21 | Projection display device and method for realizing voice prompt |
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| TWI341956B (en) | 2007-05-30 | 2011-05-11 | Delta Electronics Inc | Projection apparatus with function of speech indication and control method thereof for use in the apparatus |
| CN101320195B (en) * | 2007-06-06 | 2010-06-09 | 台达电子工业股份有限公司 | Projection device with speech reminding function and control method used for the same |
| CN103745512B (en) * | 2013-12-31 | 2017-02-15 | 深圳坚朗海贝斯智能科技有限公司 | Voice navigation method of intelligent electronic lock system with voice navigation function |
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