CN101640518A - System and method for automatically adjusting playing volume according to ambient sound - Google Patents
System and method for automatically adjusting playing volume according to ambient sound Download PDFInfo
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- CN101640518A CN101640518A CN200810126292A CN200810126292A CN101640518A CN 101640518 A CN101640518 A CN 101640518A CN 200810126292 A CN200810126292 A CN 200810126292A CN 200810126292 A CN200810126292 A CN 200810126292A CN 101640518 A CN101640518 A CN 101640518A
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Abstract
The invention provides a system and a method for automatically adjusting playing volume according to ambient sound. The system comprises a volume detection unit, a volume adjustment database, a time data unit, an audio unit and a volume control unit, wherein the volume detection unit detects the changes of the external ambient sound and generates a detection signal; the time data unit generates the current time data; the audio signal amplitude increase and reduction data are established and stored in the volume adjustment database; the audio unit receives or outputs an audio signal; and the volume control unit reads the detection signal, the audio signal amplitude increase and reduction data and the current time data, adjusts the audio signal amplitude increase and reduction data accordingto the detection signal, and can control the amplitude increase and reduction changes of the audio signal output at each current time so as to achieve the effects of automatically adjusting the playing volume and promoting and attracting the masses to watch.
Description
Technical field
The present invention relates to a kind of automatic adjustment broadcast sound volume system and method, relate in particular to a kind of system and method thereof of adjusting broadcast sound volume according to ambient sound automatically.
Background technology
Along with development of science and technology is maked rapid progress, the also and then progressive together and variation of advertisement.The ad. craft not only constantly innovates aspect ad content, and the mode of advertisement is also constantly weeded out the old and bring forth the new; For instance, the mode of advertisement has leaflet, newspaper advertisement, television advertising, the web advertisement, mobile phone advertisement etc.Wherein common advertising is the advertisement player to be set in public places to play advertising message at present.
Generally speaking, described advertisement player is arranged on the big place of mobility rate, as on the bus, department store elevator place or lively commercial circle etc., therefore, with advertisement player extended immobilization in a certain place repeat playing advertising message and reach purposes such as mandatory, repeatability sustainably, can allow the dealing crowd stay deep impression unconsciously.
And existing at present advertisement player roughly has two kinds of system modes to play, one of them system, the advertising message that elder generation plays institute's desire, be shown in LCD (Liquid Crystal Display by the player plays advertising message and with information, be called for short LCD) on, and the advertising message that another system will play by network is sent to a set-top box (the Set Top Box of client, be called for short STB), by described set-top box advertising message is sent to LCD again, described LCD is come out the advertisement information play that receives.
Though above-mentioned latter system is comparatively flexible and extendibility is strong, but a fatal shortcoming is extended by described both systems, that is exactly that the volume the play volume that can't conform is made moderate change, for example when the advertisement player is arranged on using escalator place of department store, cause is in the difference of crowd's quantity of different period institute's dealings, the confused noise volume that makes people bring can change along with the number of number, wherein said confused noise volume then can cover the volume that described advertisement player is play when increasing, attract popular effect of watching to cause can't reach spreading advertisement information and reduce.The above, advertisement player of the prior art has following shortcoming:
1. can't adjust the broadcast sound volume size automatically.
2. can't effectively reach the effect of propagating advertisement.
3. reduce popular effect of watching.
Summary of the invention
Main purpose of the present invention, be to provide a kind of system and method thereof of adjusting broadcast sound volume according to ambient sound automatically, read the detection signal of a volume detecting unit and time data cell generation and the audio signal increase and decrease width of cloth data of current time data and the built-in storage of volume adjustment data by a volume control unit, and adjust described audio signal increase and decrease width of cloth data according to detection signal, can each current time control described audio signal output the increase and decrease amplitude variationization adjust broadcast sound volume automatically according to ambient sound.
For reaching above-mentioned purpose, the present invention is a kind of to adjust the system of broadcast sound volume automatically according to ambient sound, it is characterized in that described system comprises:
Volume detecting unit detects the variation of external environmental sounds, and produces a detection signal;
Volume is adjusted database, built-in stored audio signal increase and decrease width of cloth data;
The time data unit produces current time data;
Audio unit receives and exports an audio signal;
Volume control unit reads described detection signal, audio signal increase and decrease width of cloth data and current time data, and adjusts described audio signal increase and decrease width of cloth data according to described detection signal, in the increase and decrease amplitude variationization of each current time control audio signal.
The present invention also provides a kind of and has adjusted the method for broadcast sound volume automatically according to ambient sound, comprises the following steps:
Read detection signal, the current time data of time data cell generation and the audio signal increase and decrease width of cloth data that a volume is adjusted database storage that a volume detecting unit produces by a volume control unit;
Detection signal and audio signal increase and decrease width of cloth data that described volume control unit will read in each current time, whether adjust broadcast sound volume and audio signal increase and decrease width of cloth data with judgement in each current time, and produce the increase and decrease amplitude variationization of control signal control audio unit at the audio signal output of each current time according to described judged result.
Compared with prior art, provided by the inventionly adjust the system and the method thereof of broadcast sound volume automatically, can adjust broadcast sound volume automatically, and promote and attract the popular effect of watching and diffusing information according to ambient sound.
Description of drawings
Fig. 1 is a system of the present invention block schematic diagram;
Fig. 2 is system of the present invention and loudspeaker unit block schematic diagram;
Fig. 3 is the loudspeaker unit block schematic diagram of system of the present invention and display unit;
Fig. 4 is a main schematic flow sheet of the present invention.
Description of reference numerals: volume detecting unit-10; Volume control unit-14; Volume is adjusted database-11; Loudspeaker unit-2; Time data unit-12; Display unit-3; Audio unit-13.
Embodiment
The invention provides a kind of system and method thereof of adjusting broadcast sound volume according to ambient sound automatically, see also Fig. 1, in a preferred embodiment of the present invention, described system comprises volume detecting unit 10, volume adjustment database 11, time data unit 12, audio unit 13 and volume control unit 14;
Described volume detecting unit 10 is microphone detectors, and it momentarily detects the variation (promptly reading the volume of external sound) of external environmental sounds, and produces a detection signal;
Described volume is adjusted database 11 built-in stored audio signal increase and decrease width of cloth data;
Described time data unit 12 produces current time data;
Described audio unit 13 receives an audio signal of external transmission and exports described audio signal.
Described volume control unit 14 reads described detection signal, described audio signal increase and decrease width of cloth data and described current time data and does calculation process, and according to described detection signal adjustment audio signal increase and decrease width of cloth data, to produce a control signal, make described volume control unit 14 control the increase and decrease amplitude variationization of the audio signal output of described audio unit 13 in each current time according to described control signal, therefore, effectively reach automatic adjustment broadcast sound volume, and then promote the effect that attracts masses to watch and diffuse information again; Therefore solve really by the above-mentioned the present invention of learning and to adjust broadcast sound volume in the prior art automatically and reduce masses' problem of watching and diffuse information etc.
Then consult Fig. 2, Fig. 3, have at least one outer amount in decibels in the detection signal of described volume detecting unit 10, described outer amount in decibels is the volume decibel that described volume detecting unit 10 detects current outside environment; The audio signal increase and decrease width of cloth data that described volume is adjusted database 11 comprise at least one Preset Time and at least one amount in decibels, described amount in decibels is corresponding one by one with described Preset Time, and the amount in decibels of described each Preset Time is identical or different, the amount in decibels of wherein said each Preset Time is identical, as to set first Preset Time be that the amount in decibels at 10～11 o'clock is 10～20 decibels, and second Preset Time then is that the amount in decibels at 11～12 o'clock is 10～20 decibels; On the contrary, the amount in decibels difference of described each Preset Time as setting first Preset Time are that the amount in decibels at 12～13 o'clock is 10～20 decibels, second Preset Time is that the amount in decibels at 13～14 o'clock is 30～40 decibels, only when the actual enforcement of the present invention, is not limited thereto.
Described audio unit 13 further is electrically connected a display unit 3, the audio signal of described output is play via a loudspeaker unit 2 of described display unit 3, and the increase and decrease amplitude variationization of volume increase and decrease (size) corresponding described audio signal that described loudspeaker unit 2 is play; Wherein said display unit 3 can be a LCD (LCD) or a plasma display (Plasma Display Panel) etc.
In addition, described audio unit 13 further is electrically connected a loudspeaker unit 2, the output of the audio signal of described audio unit 13 is play via described loudspeaker unit 2, the volume that described loudspeaker unit 2 is play increases and decreases the increase and decrease amplitude variationization of corresponding described audio signal, and wherein said loudspeaker unit 2 can be loudspeaker.
In addition, described system can be applicable to a set-top box (Set Top Box, be called for short STB) device (not shown), just with the increase and decrease amplitude variationization of the audio signal of controlling described set top box device output in each current time; In this preferred embodiment, be illustrated with TV-set top box, but during the actual enforcement of the present invention, do not limit to this.
Below lift example explanation:
As ad. craft at TV-set top box as described in the installing of the position with spreading advertisement information (as the taking passage in elevator place of department store or place, doorway) and as described in using during system, then described ad. craft can set the volume (being described amount in decibels) of each time (being described Preset Time) broadcast in regular turn according to each time dealing crowd quantity number of department store; At this preferred embodiment, from 22 o'clock each time broadcast sound volume is done the volume of setting as 10～12 o'clock of morning and 12～14 o'clock of noon in 10 o'clock to evening in the morning and all be made as 10～20 decibels, the volume at 14～16 o'clock of afternoon and 16～18 o'clock is made as 20～30 decibels and 30～40 decibels respectively, the volume at 18～20 o'clock of evening and 20～22 o'clock is made as respectively more than 40～50 decibels and 50～60 decibels, but when the actual enforcement of the present invention, be not limited thereto;
At this moment, if the current time was 13 o'clock, described volume control unit 14 reads described current time data (i.e. 13 o'clock) and detection signal in regular turn, and the Preset Time (i.e. 12～14 o'clock) of audio signal increase and decrease width of cloth data is done calculation process with amount in decibels (promptly 10～20 decibels), and compare described amount in decibels (promptly 10～20 decibels) according to the outer amount in decibels (promptly 25 decibels) of described detection signal simultaneously, if comparison is when out amount in decibels exceeds described amount in decibels, described volume control unit 14 produces one immediately and reads signal and be sent to described volume and adjust database 11, make described volume adjust database 11 and transmit extremely described volume control unit 14 of another amount in decibels (promptly 20～30 decibels) that meets described outer amount in decibels according to receiving the described signal that reads, make described volume control unit 14 according to described another amount in decibels that receives, after current time data and detection signal are done calculation process once more, produce described control signal, make described volume control unit 14 control the audio signal that described audio unit 13 exports the loudspeaker unit 2 of described display unit 3 to according to described control signal, the loudspeaker unit 2 that makes described display unit 3 is along with received audio signal increase and decrease amplitude variationization, and the volume (promptly 20～30 decibels) that change is play;
Wherein, if compare out described outer amount in decibels (as 15 decibels) do not exceed as described in during amount in decibels (promptly 10～20 decibels), make described volume control unit 14 according to described current time data and detection signal, the Preset Time (i.e. 12～14 o'clock) of audio signal increase and decrease width of cloth data is done calculation process with amount in decibels (promptly 10～20 decibels), and produce described control signal, make the loudspeaker unit 2 of described volume control unit 14 according to the described display unit 3 of described control signal control audio unit 13 outputs, and the loudspeaker unit 2 of described display unit 3 is along with the increase and decrease amplitude variationization of received audio signal, and the volume (promptly 10～20 decibels) that change is play, therefore, effectively reach automatic adjustment broadcast sound volume, and promote the effect that attracts masses to watch and pass the information of dialling again.
See also Fig. 4, the concrete steps flow process of adjusting the preferable enforcement of broadcast sound volume automatically according to ambient sound for the present invention is as follows:
Step 400: beginning
Step 401: volume control unit 14 reads described volume detecting unit 10 and adjusts the audio signal increase and decrease width of cloth data that database 11 stores with detection signal, current time data and described volume that described time data unit 12 produces;
Step 402: described volume control unit 14 is done calculation process according to described detection signal, current time data and audio signal increase and decrease width of cloth data;
Step 403: described volume control unit 14 judges whether each current time adjust broadcast sound volume; Wherein said volume control unit 14 surpasses Preset Time (as being set at for 11～12 o'clock) as described in (or between) if judge described current time data (as 10 o'clock), then need not adjust broadcast sound volume, if Preset Time (as being set at for 11～12 o'clock) as described in the described current time data of judgement (as 13 o'clock) surpasses then need be adjusted broadcast sound volume; If skip to step 407; Otherwise, return step 401;
Step 404: simultaneously, described volume control unit 14 judges whether to need to adjust described audio signal increase and decrease width of cloth data according to described detection signal; The amount in decibels (as 10～20 decibels) of audio signal increase and decrease width of cloth data as described in wherein said volume control unit 14 surpasses as if the outer amount in decibels (as 30 decibels) of judging described detection signal, then need adjust audio signal increase and decrease width of cloth data, surpass the amount in decibels (as 20～40 decibels) of audio signal increase and decrease width of cloth data as described in (or between) if judge the outer amount in decibels (as 30 decibels) of described detection signal, then need not adjust described audio signal increase and decrease width of cloth data; If continue step 405; Otherwise, skip to step 407;
Step 405: described volume control unit 14 produces the described signal that reads immediately and is sent to described volume adjustment database 11, make described volume adjust database 11 and produce and meet another amount in decibels of described outer amount in decibels, and be sent to described volume control unit 14 according to the described signal that reads that receives;
Step 406: described volume control unit 14 is done calculation process and is produced described control signal according to described another amount in decibels, described current time data and the described detection signal that receive, skips to step 408;
Step 407: described volume control unit 14 is according to after the calculation process of described step 402, to produce described control signal;
Step 408: described volume control unit 14 is controlled the increase and decrease amplitude variationization of the audio signal output of described audio unit 13 according to described control signal;
Step 409: the loudspeaker unit 2 that the audio signal of described audio unit 13 is sent to described display unit 3;
Step 410: the loudspeaker unit 2 of described display unit 3 is along with the increase and decrease amplitude variationization that receives described audio signal, and the volume that change is play (or increase and decrease), therefore reach automatic adjustment broadcast sound volume, and then promote the effect that attracts masses to watch and diffuse information again; And
Step 411: finish.
The above of the present inventionly adjusts system and the method thereof of broadcast sound volume automatically according to ambient sound, has the following advantage that has:
1. the function that has automatic adjustment broadcast sound volume.
2. have and attract popular effect of viewing and admiring.
3. has the effect that promotes propagating advertisement.
Claims (15)
1. adjust the system of broadcast sound volume automatically according to ambient sound for one kind, it is characterized in that described system comprises:
Volume detecting unit detects the variation of external environmental sounds, and produces a detection signal;
Volume is adjusted database, built-in stored audio signal increase and decrease width of cloth data;
The time data unit produces current time data;
Audio unit receives and exports an audio signal;
Volume control unit reads described detection signal, audio signal increase and decrease width of cloth data and current time data, and adjusts described audio signal increase and decrease width of cloth data according to described detection signal, in the increase and decrease amplitude variationization of each current time control audio signal.
2. as claimed in claim 1ly adjust the system of broadcast sound volume automatically, it is characterized in that having at least one outer amount in decibels in the described detection signal according to ambient sound.
3. as claimed in claim 1ly adjust the system of broadcast sound volume automatically, it is characterized in that described audio signal increase and decrease width of cloth data comprise: at least one Preset Time and at least one amount in decibels, described amount in decibels is corresponding one by one with described Preset Time according to ambient sound.
4. as claimed in claim 1ly adjust the system of broadcast sound volume automatically, it is characterized in that the amount in decibels of described each Preset Time is identical or different according to ambient sound.
5. as claimed in claim 1ly adjust the system of broadcast sound volume automatically, it is characterized in that described volume detecting unit is a microphone detector according to ambient sound.
6. the system that adjusts broadcast sound volume according to ambient sound automatically as claimed in claim 1, it is characterized in that, described audio unit further is electrically connected a loudspeaker unit, make described audio signal play via described loudspeaker unit, the volume that described loudspeaker unit is play increases and decreases the increase and decrease amplitude variationization of corresponding described audio signal.
7. the system that adjusts broadcast sound volume according to ambient sound automatically as claimed in claim 1, it is characterized in that, described audio unit further is electrically connected a display unit, make described audio signal play via a loudspeaker unit of described display unit, the volume that then described loudspeaker unit is play increases and decreases the increase and decrease amplitude variationization of corresponding described audio signal.
8. a TV-set top box is characterized in that, described TV-set top box has the system as claimed in claim 1.
9. adjust the method for broadcast sound volume automatically according to ambient sound for one kind, it is characterized in that it comprises the following steps:
Read detection signal, the current time data of time data cell generation and the audio signal increase and decrease width of cloth data that a volume is adjusted database storage that a volume detecting unit produces by a volume control unit;
Detection signal and the comparison of audio signal increase and decrease width of cloth data that described volume control unit will read in each current time, whether adjust broadcast sound volume and audio signal increase and decrease width of cloth data with judgement in each current time, and produce the increase and decrease amplitude variationization of control signal control audio unit at the audio signal output of each current time according to described judged result.
10. as claimed in claim 9ly adjust the method for broadcast sound volume automatically, it is characterized in that described audio signal increase and decrease width of cloth data comprise: at least one Preset Time and at least one amount in decibels, described amount in decibels is corresponding one by one with described Preset Time according to ambient sound.
11. as claimed in claim 10ly adjust the method for broadcast sound volume automatically, it is characterized in that having at least one outer amount in decibels in the described detection signal according to ambient sound.
12. the method for adjusting broadcast sound volume according to ambient sound automatically as claimed in claim 11, it is characterized in that, when described volume control unit judges that the outer amount in decibels of described detection signal surpasses the amount in decibels of described audio signal increase and decrease width of cloth data, adjust audio signal increase and decrease width of cloth data.
13. the method for adjusting broadcast sound volume according to ambient sound automatically as claimed in claim 11, it is characterized in that, judge the outer amount in decibels of described detection signal when described volume control unit and do not surpass the amount in decibels of described audio signal increase and decrease width of cloth data, do not adjust described audio signal increase and decrease width of cloth data.
14. as claimed in claim 10ly adjust the method for broadcast sound volume automatically according to ambient sound, it is characterized in that, judge described current time data when described volume control unit and surpass described Preset Time, do not adjust broadcast sound volume.
15. as claimed in claim 10ly adjust the method for broadcast sound volume automatically according to ambient sound, it is characterized in that, when described volume control unit judges that described current time data surpasses described Preset Time, adjust broadcast sound volume.
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| CN200810126292A CN101640518A (en) | 2008-07-30 | 2008-07-30 | System and method for automatically adjusting playing volume according to ambient sound |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103414443A (en) * | 2013-08-27 | 2013-11-27 | 广州顶毅电子有限公司 | Automatic volume control method and automatic volume control system |
| CN103544958A (en) * | 2013-11-04 | 2014-01-29 | 深圳Tcl新技术有限公司 | Method and device for controlling voice-frequency howling during switching of voice-frequency output |
| CN103702049A (en) * | 2013-12-27 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Television and volume adjusting method thereof |
| CN103702050A (en) * | 2013-12-27 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Television and volume adjusting method thereof |
| CN105049642A (en) * | 2015-09-21 | 2015-11-11 | 广东欧珀移动通信有限公司 | Volume adjustment method and device for prompt tone of mobile terminal |
| CN105991810A (en) * | 2015-04-16 | 2016-10-05 | 乐视移动智能信息技术（北京）有限公司 | Volume adjustment method, volume adjustment device and mobile terminal |
| CN111897510A (en) * | 2020-07-30 | 2020-11-06 | 成都新潮传媒集团有限公司 | Volume adjusting method and device of multimedia equipment and computer readable storage medium |
| CN116208700A (en) * | 2023-04-25 | 2023-06-02 | 深圳市华卓智能科技有限公司 | Control method and system for communication between mobile phone and audio equipment |
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2008
- 2008-07-30 CN CN200810126292A patent/CN101640518A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103414443A (en) * | 2013-08-27 | 2013-11-27 | 广州顶毅电子有限公司 | Automatic volume control method and automatic volume control system |
| CN103414443B (en) * | 2013-08-27 | 2017-02-01 | 广州顶毅电子有限公司 | Automatic volume control method and automatic volume control system |
| CN103544958A (en) * | 2013-11-04 | 2014-01-29 | 深圳Tcl新技术有限公司 | Method and device for controlling voice-frequency howling during switching of voice-frequency output |
| CN103544958B (en) * | 2013-11-04 | 2018-02-27 | 深圳Tcl新技术有限公司 | Switch the method and apparatus for controlling Audio squealing during audio output |
| CN103702049A (en) * | 2013-12-27 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Television and volume adjusting method thereof |
| CN103702050A (en) * | 2013-12-27 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Television and volume adjusting method thereof |
| CN105991810A (en) * | 2015-04-16 | 2016-10-05 | 乐视移动智能信息技术（北京）有限公司 | Volume adjustment method, volume adjustment device and mobile terminal |
| CN105049642A (en) * | 2015-09-21 | 2015-11-11 | 广东欧珀移动通信有限公司 | Volume adjustment method and device for prompt tone of mobile terminal |
| CN111897510A (en) * | 2020-07-30 | 2020-11-06 | 成都新潮传媒集团有限公司 | Volume adjusting method and device of multimedia equipment and computer readable storage medium |
| CN116208700A (en) * | 2023-04-25 | 2023-06-02 | 深圳市华卓智能科技有限公司 | Control method and system for communication between mobile phone and audio equipment |
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