CN101098440A - Signal format detecting module and method - Google Patents
Signal format detecting module and method Download PDFInfo
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Abstract
A signal format detecting module and a relative method can be used in on digit display device, wherein the method comprises that first receiving a video signal, judging the format of the received video signal, to output a trigger signal relative to the format of the video signal, responding the trigger signal to start an indication lamp, obtaining the format of the video signal via the indication lamp, therefore, user can via the lighting mode of the indication lamp obtain the format of received video signal, and adjust the display format of digit display device, via the format of the received video signal.
Description
[Ji Intraoperative field]
The present invention particularly is applied to the signal format that numeric display unit receives with detecting and prompting about a kind of signal format detecting module and method thereof.
[Bei Jing Ji Intraoperative]
Digital Television (Digital Television; DTV) be with TV signal by employed " analog signal " at present, by treatment technologies such as multitask, modulations, and convert the digit broadcasting system of " digital signal " to.Digital television broadcasting system is by the integration of frequency range advantage and computer equipment and network system, can provide broadband network online on the one hand, on the other hand, the user also can have " online with selecting interactive program " and " service in real time ", so as to freely choosing TV programme, the layout individual TV programs of liking, make the TV programme record and broadcast reach two-way interaction and link up, create the situation of the dealer of system and user's doulbe-sides' victory.Especially now TV and audio broadcasting has been to popularize very much, develop very skillful industry in the whole world, along with continuous progress in science and technology, in the Digital Television in the whole world and starting broadcasting successively down of digital broadcasting, believing in following Digital Television to become one of daily necessities of people gradually.
At present, the form of the video signal of Digital Television (being resolution) includes the 1080I (transfer rate 33kbps) of high image quality and 720P (transfer rate 45kbps), the 480P (transfer rate 31kbps) that strengthens image quality and the 480I (transfer rate 15kbps) of standard image quality.In above-mentioned specification, the horizontal scanning line number of each picture of digitized representation, alphabetical I then representative picture system scan (interlaced scan) with alternating expression, and alphabetical P then representative picture is to scan (progressive scan) in proper order.Yet, when the user watches digital television program, and can't learn which kind of its form of the received video signal of current Digital Television is, so the user directly selects high-quality display format mostly for obtaining good display quality.Thus, when the display format of selecting when the form of the received video signal of Digital Television is high, can reduce display quality on the contrary, otherwise, when the form of the received video signal of Digital Television hangs down than the display format of selecting, then can cause the waste of calculation resources.
[summary of the invention]
The object of the present invention is to provide a kind of signal format detecting module and method thereof, so as to the not clear problem of form that solves the disclosed video signal of prior art.
Therefore, for reaching above-mentioned purpose, the disclosed signal format detecting method of the present invention includes the following step: receive a video signal earlier; Then judge the form of the video signal that receives, export the triggering signal of the form of corresponding this video signal according to this; Respond this triggering signal again and start indicator light, learn the form of the current video signal that receives so as to seeing through indicator light.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current video signal that receives, and then can cooperate the form of the video signal that receives and adjust the display format of numeric display unit.
The present invention discloses a kind of signal format detecting module in addition, includes video signal input unit, judge module and condition prompting module.
The video signal input unit can connect video signal source, to receive from the video signal one of in a plurality of video signal sources.
The form of the video signal that judge module receives in order to judgement is exported the triggering signal of the corresponding video signal form that receives according to this.
The condition prompting module can have one or more indicator lights, causes indicator light luminous in order to the response triggering signal.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current video signal that receives, and then can cooperate the form of the video signal that receives and adjust the display format of numeric display unit.
Moreover the present invention also can apply to detect audio signal.
Therefore, the present invention more discloses a kind of signal format detecting method, includes the following step: receive an audio signal earlier; Then judge the form of the audio signal that receives, export the triggering signal of the form of corresponding this audio signal according to this; Respond this triggering signal again and start indicator light, learn the form of the current audio signal that receives so as to seeing through indicator light.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current audio signal that receives, and then can cooperate the form of the audio signal that receives and adjust the audio format of numeric display unit.
The present invention more discloses a kind of signal format detecting module, and it includes audio frequency input unit, judge module and condition prompting module.
The audio frequency input unit can connect audio signal source, to receive from the audio signal one of in a plurality of audio signal sources.
The form of the audio signal that judge module receives in order to judgement is exported the triggering signal of the corresponding audio signal form that receives according to this.
The condition prompting module can have one or more indicator lights, can respond triggering signal and causes indicator light luminous.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current audio signal that receives, and then can cooperate the form of the audio signal that receives and adjust the audio format of numeric display unit.
[description of drawings]
Fig. 1 is the summary structure chart of the signal format detecting module of embodiment according to the present invention.
Fig. 2 is the summary structure chart according to the signal format detecting module of second embodiment of the invention.
Fig. 3 is the summary structure chart according to the signal format detecting module of third embodiment of the invention.
Fig. 4 is the summary structure chart according to the signal format detecting module of fourth embodiment of the invention.
Fig. 5 is the flow chart according to the signal format detecting method of first embodiment of the invention.
Fig. 6 is the part flow chart according to the signal format detecting method of second embodiment of the invention.
Fig. 7 is the part flow chart according to the signal format detecting method of third embodiment of the invention.
Fig. 8 is the part flow chart according to the signal format detecting method of fourth embodiment of the invention.
Fig. 9 is the summary structure chart according to the signal format detecting module of fifth embodiment of the invention.
Figure 10 is the summary structure chart according to the signal format detecting module of sixth embodiment of the invention.
Figure 11 is the summary structure chart according to the signal format detecting module of seventh embodiment of the invention.
Figure 12 is the summary structure chart according to the signal format detecting module of eighth embodiment of the invention.
Figure 13 is the flow chart according to the signal format detecting method of fifth embodiment of the invention.
Figure 14 is the part flow chart according to the signal format detecting method of sixth embodiment of the invention.
Figure 15 is the part flow chart according to the signal format detecting method of seventh embodiment of the invention.
Figure 16 is the part flow chart according to the signal format detecting method of eighth embodiment of the invention.
[embodiment]
With reference to Fig. 1, be the summary structure chart of signal format detecting module according to an embodiment of the invention, this signal format detecting module can be applicable to a numeric display unit 100, and for example: Digital Television, it includes video signal input unit 110, judge module 120 and condition prompting module 130.
Video signal input unit 110 can connect video signal source, to receive from the video signal one of in these video signal sources.This video signal source includes set-top box (set-top box), game machine, VCD player, digital videocorder and TV demodulator (tuner).In this, set-top box can be designed to cooperate and receive as ground type digital video broadcasting (digital video broadcasting-terrestrial; DVB-T), cabled digital visual radio (digital video broadcasting-cable; DVB-C), satellite digital visual radio (digital video broadcasting-satellite; DVB-S), internet digital video broadcasting (digital video broadcasting-internet protocol; DVB-IP), handheld digital visual radio (digital video broadcasting-handheld; Signal such as DVB-H).
These video signal sources can be contained multiple video signal form (being signal transfer rate).With set-top box, its signal transfer rate of general set-top box is 15kbps.With game machine, its signal transfer rate of general game machine is 15kbps.And be directed to VCD player, and existing VCD player, its signal resolution specification is various, and its signal transfer rate comprises 15kbps, 31kbps, 33kbps, 45kbps etc.With digital videocorder, as high image quality (Digital-VHS; D-VHS) digital videocorder, its signal transfer rate are 33kbps.And with the TV demodulator, the cable TV that existing TV demodulator design fits receives or the analog signal of terrestrial broadcasting, its signal transfer rate is 15kbps.
In this, this indicator light can be light-emitting diode (light emitting diode; LED), LCD (liquid crystal display; LCD) etc. various forms of display unit constitute.For instance, when constituting, can mode such as represent to express the form of video signal respectively by luminous color, many lamps with LED; And when constituting with LCD, then can be directly in display frame mode such as display text, numeral express the form of video signal.
In this, this signal format detecting module more includes memory module 140, and judge module 120 can have quantization modules 122 and contrast module 124, as shown in Figure 2.
In memory module 140, store the established form quantized value of each form of corresponding video signal, and the triggering signal of respectively corresponding these established form quantized values.The form of the video signal that quantization modules 122 can receive in order to detecting, and will be to be quantized into one first form quantized value, and then the contrast module 124 again the established form quantized value in the first form quantized value and the memory module 140 is compared, obtain the pairing triggering signal of established form quantized value that is equal to the first form quantized value haply according to this.
In addition, this signal format detecting module more includes buffer 150, adjusting module 160 and switch unit 170, and judge module 120 can have quantization modules 122, as shown in Figure 3.
Moreover this signal format detecting module more includes to be confirmed module 180 and selects module 190, and numeric display unit 100 has more an inputting interface 104, as shown in Figure 4.
When adjusting module 160 produces modulating signal, confirm that module 180 can show on display interface 102 that one switches acknowledgement window, be not inconsistent with the form of informing the current received video signal of user and the display format of display interface 102, and confirm whether to carry out the change of display format, wherein in switching the option that acknowledgement window can have representative " change " and representative " not changing ".At this moment, the user can select " change " or " not changing " by inputting interface 104, to cause the selection signal of inputting interface 104 generations corresponding to " change " or " not changing ".Select module 190 then to receive this selection signal, and select signal to provide modulating signal to switch unit 170 according to this from inputting interface 102.In other words, when selecting signal corresponding to " changes ", select module 190 soon modulating signal offer switch unit 170, with the change of the display format that carries out inputting interface 104.
See also Fig. 5 again, be the flow chart of signal format detecting method according to an embodiment of the invention, it can be applicable to a numeric display unit 100, for example: Digital Television.At first, receive a video signal (step 210); Then, judge the form of the video signal that receives, export the triggering signal (step 220) of the form of corresponding this video signal according to this; Respond this triggering signal again and start indicator light (step 230), learn the form of the current video signal that receives so as to seeing through indicator light.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current video signal that receives, and then can cooperate the form of the video signal that receives and adjust the display format of numeric display unit.
In this, this video signal can be from one of in a plurality of video signal sources.This video signal source includes set-top box (set-top box), game machine, VCD player, digital videocorder and TV demodulator (tuner).In this, set-top box can be designed to cooperate and receive as ground type digital video broadcasting (digitalvideo broadcasting-terrestrial; DVB-T), cabled digital visual radio (digital videobroadcasting-cable; DVB-C), satellite digital visual radio (digital videobroadcasting-satellite; DVB-S), internet digital video broadcasting (digital videobroadcasting-internet protocol; DVB-IP), handheld digital visual radio (digitalvideo broadcasting-handheld; Signal such as DVB-H).
These video signal sources can be contained multiple video signal form (being signal transfer rate).With set-top box, its signal transfer rate of general set-top box is 15kbps.With game machine, its signal transfer rate of general game machine is 15kbps.And be directed to VCD player, and existing VCD player, its signal resolution specification is various, and its signal transfer rate comprises 15kbps, 31kbps, 33kbps, 45kbps etc.With digital videocorder, as high image quality (Digital-VHS; D-VHS) digital videocorder, its signal transfer rate are 33kbps.And with the TV demodulator, the cable TV that existing TV demodulator design fits receives or the analog signal of terrestrial broadcasting, its signal transfer rate is 15kbps.
Moreover this indicator light can be light-emitting diode (light emitting diode; LED), LCD (liquid crystal display; LCD) etc. various forms of display unit constitute.In other words, triggering signal is in order to trigger a kind of light-emitting mode.For instance, when constituting, can mode such as represent to express the form of video signal respectively by luminous color, many lamps with LED; And when constituting with LCD, then can be directly in display frame mode such as display text, numeral express the form of video signal.
In this, " step 220 " can see through the following step and reach; The form of the video signal that detecting earlier and quantification receive is exported the first form quantized value (step 221) according to this; Then the first form quantized value and a plurality of established form quantized value are compared, obtain a contrast result according to this, wherein these established form quantized values are respectively corresponding to one of in the multiple form of video signal, and one of correspond respectively in a plurality of triggering signals (step 222); Obtain the pairing triggering signal of established form quantized value (step 223) that is equal to the first form quantized value haply according to comparing result again, as shown in Figure 6.
In addition, more can be with the first form quantized value and compare corresponding to the second form quantized value of a display format of current execution (step 224), wherein when the first form quantized value is not equal to the second form quantized value haply, produce a modulating signal (step 225); Respond modulating signal again, and switch the display format (step 226) of current execution, as shown in Figure 7 according to the form of video signal.
Moreover, after producing modulating signal, can show prior to display interface and switch acknowledgement window (step 227), be not inconsistent with the form and the display format of informing the current received video signal of user, and confirm whether to carry out the change of display format, wherein in switching the option that acknowledgement window can have representative " change " and representative " not changing "; At this moment, the user can select " change " or " not changing " by inputting interface 104, so that can receive the selection signal (step 228) corresponding to " change " or " not changing "; According to selecting signal that provide (step 229) of modulating signal is provided, in other words, when selecting signal, just provide modulating signal, again to carry out the adjustment of display format, as shown in Figure 8 corresponding to " change ".
Moreover the present invention also can apply to detect audio signal.With reference to Fig. 9, be the summary structure chart of signal format detecting module according to an embodiment of the invention, this signal format detecting module can be applicable to a numeric display unit 100, and for example: Digital Television, it includes audio frequency input unit 112, judge module 120 and condition prompting module 130.
Audio frequency input unit 112 can connect audio signal source, to receive the audio signal from one in these audio signal sources.This audio signal source includes set-top box (set-top box), game machine, VCD player, digital videocorder and TV demodulator (tuner).In this, set-top box can be designed to cooperate and receive as ground type digital video broadcasting (digital video broadcasting-terrestrial; DVB-T), cabled digital visual radio (digital video broadcasting-cable; DVB-C), satellite digital visual radio (digital video broadcasting-satellite; DVB-S), internet digital video broadcasting (digital video broadcasting-internet protocol; DVB-IP), handheld digital visual radio (digital video broadcasting-handheld; Signal such as DVB-H).
These audio signal sources can be contained multiple audio signal form, for example: multichannels such as 2.0 sound channels, 2.1 sound channels, 4.1 sound channels, 5.1 sound channels, DTS5.1 sound channel, 6.1 sound channels even 7.1 sound channels.
In this, this indicator light can be light-emitting diode (light emitting diode; LED), LCD (liquid crystal display; LCD) etc. various forms of display unit constitute.For instance, when constituting, can mode such as represent to express the form of audio signal respectively by luminous color, many lamps with LED; And when constituting with LCD, then can be directly in display frame mode such as display text, numeral express the form of audio signal.
In this, this signal format detecting module more includes memory module 140, and judge module 120 can have quantization modules 122 and contrast module 124, as shown in figure 10.
In memory module 140, store the established form quantized value of each form of respective audio signal, and the triggering signal of respectively corresponding these established form quantized values.The form of the audio signal that quantization modules 122 can receive in order to detecting, and will be to be quantized into one first form quantized value, and then the contrast module 124 again the established form quantized value in the first form quantized value and the memory module 140 is compared, obtain the pairing triggering signal of established form quantized value that is equal to the first form quantized value haply according to this.
In addition, this signal format detecting module more includes buffer 150, adjusting module 160 and switch unit 170, and judge module 120 can have quantization modules 122, as shown in figure 11.
Buffer 150 can be temporary corresponding to the second form quantized value of the performed audio format of current numeric display unit 100.The form of the audio signal that quantization modules 122 receives in order to detecting, and will be to be quantized into the first form quantized value.Adjusting module 160 can be compared the first form quantized value and the second form quantized value, and when the first form quantized value is not equal to the second form quantized value haply, produces a modulating signal.And switch unit 170 is when receiving modulating signal, can switch the performed audio format of numeric display unit 100 according to the form of audio signal, makes it accord with the form of received audio signal.In other words, this numeric display unit 100 has a phonation unit 106, and switch unit 170 can be according to the audio format of the change of format phonation unit 106 of audio signal, so that it accords with the form of received audio signal.Thus, can provide user one preferable sound quality.Wherein this phonation unit 106 can be a loudspeaker equipment.
Moreover this signal format detecting module more includes to be confirmed module 180 and selects module 190, and numeric display unit 100 has more an inputting interface 104, as shown in figure 12.
When adjusting module 160 produces modulating signal, confirm that module 180 can show on phonation unit 106 that one switches acknowledgement window, be not inconsistent with the form of informing the current received audio signal of user and the audio format of phonation unit 106, and confirm whether to carry out the change of audio format, wherein in switching the option that acknowledgement window can have representative " change " and representative " not changing ".At this moment, the user can select " change " or " not changing " by inputting interface 104, to cause the selection signal of inputting interface 104 generations corresponding to " change " or " not changing ".Select module 190 then to receive this selection signal, and select signal to provide modulating signal to switch unit 170 according to this from inputting interface 104.In other words, when selecting signal system corresponding to " changes ", select module 190 soon modulating signal offer switch unit 170, with the change of the audio format that carries out inputting interface 104.
See also Figure 13 again, be the flow chart of signal format detecting method according to an embodiment of the invention, it can be applicable to a numeric display unit 100, for example: Digital Television.At first, receive an audio signal (step 210); Then, judge the form of the audio signal that receives, export the triggering signal (step 220) of the form of corresponding this audio signal according to this; Respond this triggering signal again and cause the startup indicator light, learn the form of the current audio signal that receives so as to seeing through indicator light.Thus, the user can see through the light-emitting mode of indicator light and learn the form of the current audio signal that receives, and then can cooperate the form of the audio signal that receives and adjust the audio format of numeric display unit.
In this, this audio signal can be from one of in a plurality of audio signal sources.This audio signal source includes set-top box (set-top box), game machine, VCD player, digital videocorder and TV demodulator (tuner).In this, set-top box can be designed to cooperate and receive as ground type digital video broadcasting (digitalvideo broadcasting-terrestrial; DVB-T), cabled digital visual radio (digital videobroadcasting-cable; DVB-C), satellite digital visual radio (digital videobroadcasting-satellite; DVB-S), internet digital video broadcasting (digital videobroadcasting-internet protocol; DVB-IP), handheld digital visual radio (digitalvideo broadcasting-handheld; Signal such as DVB-H).
These audio signal sources can be contained multiple audio signal form, for example: multichannels such as 2.0 sound channels, 2.1 sound channels, 4.1 sound channels, 5.1 sound channels, DTS5.1 sound channel, 6.1 sound channels even 7.1 sound channels.
Moreover this indicator light can be light-emitting diode (light emitting diode; LED), LCD (liquid crystal display; LCD) etc. various forms of display unit constitute.In other words, triggering signal is in order to trigger a kind of light-emitting mode.For instance, when constituting, can mode such as represent to express the form of audio signal respectively by luminous color, many lamps with LED; And when constituting with LCD, then can be directly in display frame mode such as display text, numeral express the form of audio signal.
In this, " step 220 " can see through the following step and reach; The form of the audio signal that detecting earlier and quantification receive is exported the first form quantized value (step 221) according to this; Then the first form quantized value and a plurality of established form quantized value are compared, obtain a contrast result according to this, wherein these established form quantized values are respectively corresponding to one of in the multiple form of audio signal, and one of correspond respectively in a plurality of triggering signals (step 222); Obtain the pairing triggering signal of established form quantized value (step 223) that is equal to the first form quantized value haply according to comparing result again, as shown in figure 14.
In addition, more can be with form quantized value and compare corresponding to the second form quantized value of an audio format of current execution (step 224), wherein when the first form quantized value is not equal to the second form quantized value haply, produce a modulating signal (step 225); Respond modulating signal again, and switch the audio format (step 226) of current execution, as shown in figure 15 according to the form of audio signal.
Moreover, after producing modulating signal, can show prior to phonation unit and switch acknowledgement window (step 227), be not inconsistent with the form and the audio format of informing the current received audio signal of user, and confirm whether to carry out the change of audio format, wherein in switching the option that acknowledgement window can have representative " change " and representative " not changing "; At this moment, the user can select " change " or " not changing " by inputting interface, so that can receive the selection signal (step 228) corresponding to " change " or " not changing "; According to selecting signal that provide (step 229) of modulating signal is provided, in other words, when selecting signal, just provide modulating signal, again to carry out the adjustment of display format, as shown in figure 16 corresponding to " not changing ".
Claims (42)
1, a kind of signal format detecting method includes the following step:
Receive a video signal;
Judge the form of this video signal, a triggering signal of the form that output according to this mutually should video signal; And
Respond this triggering signal and start at least one indicator light, learn the form of current this video signal that receives so as to seeing through this indicator light.
2, signal format detecting method as claimed in claim 1 is characterized in that: judge the form of this video signal, the step of a triggering signal of the form that output according to this mutually should video signal includes the following step:
Detect and quantize the form of this video signal, export one first form quantized value according to this;
This first form quantized value and several established form quantized values are compared, obtain a contrast result according to this, wherein these established form quantized values are respectively corresponding to one of in the some kinds of forms of this video signal, and one of correspond respectively in several these triggering signals; And
Obtain pairing this triggering signal of this established form quantized value that is equal to this first form quantized value haply according to this comparing result.
3, signal format detecting method as claimed in claim 2 is characterized in that: these triggering signals are respectively in order to trigger a kind of light-emitting mode of this indicator light.
4, signal format detecting method as claimed in claim 3, it is characterized in that: this light-emitting mode is glow color for a change.
5, signal format detecting method as claimed in claim 3 is characterized in that: this light-emitting mode is luminous for one of causing in this indicator light.
6, signal format detecting method as claimed in claim 3 is characterized in that: this light-emitting mode is for showing the literal of representing pairing this form of this triggering signal.
7, signal format detecting method as claimed in claim 3 is characterized in that: this light-emitting mode is for showing the numeral of representing pairing this form of this triggering signal.
8, signal format detecting method as claimed in claim 2 is characterized in that: judge the form of this video signal, the step of a triggering signal of the form that output according to this mutually should video signal more includes the following step:
This first form quantized value is compared with this second form quantized value corresponding to a display format of current execution, wherein when this first form quantized value is not equal to this second form quantized value haply, produce a modulating signal; And
Respond this modulating signal, switch this display format of current execution according to the form of this video signal.
9, signal format detecting method as claimed in claim 8 is characterized in that: this signal format detecting method is applicable to a display unit, and this display unit has a display interface and an inputting interface, and this signal format detecting method more includes the following step:
Show that in this display interface one switches acknowledgement window according to this modulating signal;
Receive a selection signal that should switch acknowledgement window mutually; And
Control providing of this modulating signal according to this selection signal.
10, a kind of signal format detecting module includes:
At least one video signal input unit is in order to receive a video signal;
One judge module, in order to judge the form of this video signal, a triggering signal of the form that output according to this mutually should video signal; And
One condition prompting module has at least one indicator light, and is luminous in order to respond this triggering signal, learns the form of current this video signal that receives so as to seeing through this indicator light.
11, signal format detecting module as claimed in claim 10 is characterized in that: this signal format detecting module more includes:
One memory module, in order to storage mutually should video signal several established form quantized values of some kinds of forms, and several these triggering signals of respectively corresponding these established form quantized values; And
This judge module includes:
One quantization modules, the form of this video signal that receives in order to detecting, and will be to be quantized into one first form quantized value; And
One contrast module is in order to compare this first form quantized value and these established form quantized values, to obtain pairing this triggering signal of this established form quantized value that is equal to this first form quantized value haply.
12, signal format detecting module as claimed in claim 10 is characterized in that: these triggering signals are respectively in order to trigger a kind of light-emitting mode of this condition prompting module.
13, signal format detecting module as claimed in claim 12 is characterized in that: this light-emitting mode is glow color for a change.
14, signal format detecting module as claimed in claim 12 is characterized in that: this light-emitting mode is luminous for one of causing in these indicator lights.
15, signal format detecting module as claimed in claim 12 is characterized in that: this light-emitting mode is for showing the literal of representing pairing this form of this triggering signal.
16, signal format detecting module as claimed in claim 12 is characterized in that: this light-emitting mode is for showing the numeral of representing pairing this form of this triggering signal.
17, signal format detecting module as claimed in claim 10 is characterized in that: this indicator light is a light-emitting diode.
18, signal format detecting module as claimed in claim 10 is characterized in that: this indicator light is a LCD.
19, signal format detecting module as claimed in claim 10 is characterized in that: this signal format detecting module more includes:
One buffer is in order to keep in one second form quantized value corresponding to a display format of current execution;
This judge module includes at least:
One quantization modules, in order to detecting the form of this video signal, and will be to be quantized into one first form quantized value;
One adjusting module in order to this first form quantized value relatively and this second form quantized value, when this first form quantized value is not equal to this second form quantized value haply, produces a modulating signal; And
One switches the unit, switches this display format of current execution when being used to receive this modulating signal according to the form of this video signal.
20, signal format detecting module as claimed in claim 19 is characterized in that: this signal format detecting module is arranged in the display unit, and this display unit is in order to show according to this display format.
21, signal format detecting module as claimed in claim 19 is characterized in that: this signal format detecting module is applicable to a display unit, and this display unit has a display interface and an inputting interface, and this signal format detecting module more includes:
One confirms module, in order to show that in this display interface one switches acknowledgement window according to this modulating signal; And
One selects module, should switch one of acknowledgement window in order to reception from the phase of this inputting interface and select signal, and provide this modulating signal to this switch unit according to this selection signal.
22, a kind of signal format detecting method includes the following step:
Receive an audio signal;
Judge the form of this audio signal, a triggering signal of the form that output according to this mutually should audio signal; And
Respond this triggering signal and start at least one indicator light, learn the form of current this audio signal that receives so as to seeing through this indicator light.
23, signal format detecting method as claimed in claim 22 is characterized in that: judge the form of this audio signal, the step of a triggering signal of the form that output according to this mutually should audio signal includes the following step:
Detect and quantize the form of this audio signal, export one first form quantized value according to this;
This first form quantized value and several established form quantized values are compared, obtain a contrast result according to this, wherein these established form quantized values are respectively corresponding to one of in the some kinds of forms of this audio signal, and one of correspond respectively in several these triggering signals; And
Obtain pairing this triggering signal of this established form quantized value that is equal to this first form quantized value haply according to this comparing result.
24, signal format detecting method as claimed in claim 23 is characterized in that: these triggering signals are respectively in order to trigger a kind of light-emitting mode of this indicator light.
25, signal format detecting method as claimed in claim 24, it is characterized in that: this light-emitting mode is glow color for a change.
26, signal format detecting method as claimed in claim 24 is characterized in that: this light-emitting mode is luminous for one of causing in these indicator lights.
27, signal format detecting method as claimed in claim 24 is characterized in that: this light-emitting mode is for showing the literal of representing pairing this form of this triggering signal.
28, signal format detecting method as claimed in claim 24 is characterized in that: this light-emitting mode is for showing the numeral of representing pairing this form of this triggering signal.
29, signal format detecting method as claimed in claim 23, it is characterized in that: this judges the form of this audio signal, the step of a triggering signal of the form that output according to this mutually should audio signal more includes the following step:
This first form quantized value is compared with this second form quantized value corresponding to an audio format of current execution, wherein when this first form quantized value is not equal to this second form quantized value haply, produce a modulating signal; And
Respond this modulating signal, switch this audio format of current execution according to the form of this audio signal.
30, signal format detecting method as claimed in claim 29, it is characterized in that: this signal format detecting method is applicable to a display unit, and this display unit has a phonation unit and an inputting interface, and this signal format detecting method more includes the following step:
Show that in this phonation unit one switches acknowledgement window according to this modulating signal;
Reception should be switched a selection signal of acknowledgement window from the phase of this inputting interface; And
Control providing of this modulating signal according to this selection signal.
31, a kind of signal format detecting module includes:
At least one audio frequency input unit is in order to receive an audio signal;
One judge module, in order to judge the form of this audio signal, a triggering signal of the form that output according to this mutually should audio signal; And
One condition prompting module has at least one indicator light, and is luminous in order to respond this triggering signal, learns the form of current this audio signal that receives so as to seeing through this indicator light.
32, signal format detecting module as claimed in claim 31 is characterized in that: this signal format detecting module more includes:
One memory module, in order to storage mutually should audio signal several established form quantized values of some kinds of forms, and several these triggering signals of respectively corresponding these established form quantized values; And
This judge module includes:
One quantization modules, in order to detecting the form of this audio signal, and will be to be quantized into one first form quantized value; And
One contrast module is in order to compare this first form quantized value and these established form quantized values, to obtain pairing this triggering signal of this established form quantized value that is equal to this first form quantized value haply.
33, signal format detecting module as claimed in claim 31 is characterized in that: these triggering signals are respectively in order to trigger a kind of light-emitting mode of this condition prompting module.
34, signal format detecting module as claimed in claim 33 is characterized in that: this light-emitting mode is glow color for a change.
35, signal format detecting module as claimed in claim 33 is characterized in that: this light-emitting mode is luminous for one of causing in these indicator lights.
36, signal format detecting module as claimed in claim 33 is characterized in that: this light-emitting mode is for showing the literal of representing pairing this form of this triggering signal.
37, signal format detecting module as claimed in claim 33 is characterized in that: this light-emitting mode is for showing the numeral of representing pairing this form of this triggering signal.
38, signal format detecting module as claimed in claim 31 is characterized in that: this indicator light is a light-emitting diode.
39, signal format detecting module as claimed in claim 31 is characterized in that: this indicator light is a LCD.
40, signal format detecting module as claimed in claim 31 is characterized in that: this signal format detecting module more includes:
One buffer is in order to keep in one second form quantized value corresponding to an audio format of current execution;
This judge module includes at least:
One quantization modules, in order to detecting the form of this audio signal, and will be to be quantized into one first form quantized value;
One adjusting module in order to this first form quantized value relatively and this second form quantized value, when this first form quantized value is not equal to this second form quantized value haply, produces a modulating signal; And
One switches the unit, switches this audio format of current execution when being used to receive this modulating signal according to the form of this audio signal.
41, signal format detecting module as claimed in claim 40 is characterized in that: this signal format detecting module system is arranged in this display unit, and this display unit is in order to show according to this audio format.
42, signal format detecting module as claimed in claim 40 is characterized in that: this signal format detecting module is applicable to a display unit, and this display unit has a phonation unit and an inputting interface, and this signal format detecting module more includes:
One confirms module, in order to show that in this phonation unit one switches acknowledgement window according to this modulating signal; And
One selects module, should switch one of acknowledgement window in order to reception from the phase of this inputting interface and select signal, and according to this selection signal this modulating signal be offered this switch unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610036285XA CN101098440A (en) | 2006-06-30 | 2006-06-30 | Signal format detecting module and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610036285XA CN101098440A (en) | 2006-06-30 | 2006-06-30 | Signal format detecting module and method |
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| Publication Number | Publication Date |
|---|---|
| CN101098440A true CN101098440A (en) | 2008-01-02 |
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| CNA200610036285XA Pending CN101098440A (en) | 2006-06-30 | 2006-06-30 | Signal format detecting module and method |
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| Country | Link |
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| CN (1) | CN101098440A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9781489B2 (en) | 2014-09-02 | 2017-10-03 | Aten International Co., Ltd. | Digital video broadcasting—terrestrial (DVB-T) system and modulation method thereof |
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- 2006-06-30 CN CNA200610036285XA patent/CN101098440A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9781489B2 (en) | 2014-09-02 | 2017-10-03 | Aten International Co., Ltd. | Digital video broadcasting—terrestrial (DVB-T) system and modulation method thereof |
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