CN101567671A - Device and method for playing sound - Google Patents
Device and method for playing sound Download PDFInfo
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- CN101567671A CN101567671A CNA200810094541XA CN200810094541A CN101567671A CN 101567671 A CN101567671 A CN 101567671A CN A200810094541X A CNA200810094541X A CN A200810094541XA CN 200810094541 A CN200810094541 A CN 200810094541A CN 101567671 A CN101567671 A CN 101567671A
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Abstract
The invention provides a device and a method for playing sound, in particular relates to a device for playing sound, which comprises a sound detecting module, a conversion module, a control module and an output module, wherein the sound detecting module is used for acquiring sound related to background environment so as to generate a background sound signal; the conversion module is coupled with the sound detecting module and is used for converting the background sound signal into a background sound source value; the control module is coupled with the conversion module and is used for adjusting the volume of a sound source signal according to a preset mode and the background sound source value so as to generate an output signal; and the output module is coupled with the control module and is used for playing the output signal. The device and the method for playing sound can automatically adjust the volume according to the background environment, thereby improving the convenience of users.
Description
Technical field
The present invention is relevant to a kind of sound play device, refers to a kind of sound play device of adjusting volume according to background environment automatically especially.
Background technology
General traditional sound play device is when playing sound, play by the predefined volume of user, therefore, if when sound play device script suitable volume under quiet environmental background, under noisy environmental background, the volume deficiency that then can show, cause the user can't hear the sound that sound play device is play, opposite, if under more quiet environmental background, it is too loud that then original volume of setting can show, no matter be any puzzlement that all can cause the user of above two states.
Yet, present sound play device also can't solve the above problems, the user must adjust the sound size at any time, just can avoid the generation of the problems referred to above, therefore, how to design a kind of sound play device that can adjust the sound size automatically, this measure is very urgent at present and important topic that need to be resolved hurrily in fact.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of and can accurately controls volume, and adjusts the device of sound size automatically according to background environment.
The invention provides a kind of sound play device, it comprises a sound detecting module, a modular converter, a control module and an output module.The sound detecting module is in order to the sound of acquisition about background environment, to produce a background sound signal.Modular converter is coupled to the sound detecting module, in order to being a background source of sound value with this background sound conversion of signals.Control module is coupled to modular converter, in order to adjust the volume of a sound source signal according to a predetermined way and this background source of sound value, produces an output signal.Output module is coupled to this control module, in order to play this output signal.
Sound play device of the present invention, this sound detecting module is a sensing element, in order to capture this sound of this background environment, produces this background sound signal.
Sound play device of the present invention, this modular converter comprises: a filter unit, in order to this background sound signal is carried out noise filtering, to produce a filtering signal; One amplifying unit is coupled to this filter unit, in order to this filtering signal is amplified, to produce an amplifying signal; And an analog/digital converter, be coupled to this amplifying unit, in order to change this amplifying signal, produce this background source of sound value.
Sound play device of the present invention, this analog/digital converter are converted to this amplifying signal of simulation model this background source of sound value of figure pattern.
Sound play device of the present invention, this predetermined way preestablishes a yield value, and this control module is adjusted the volume of this sound source signal in order to according to this background source of sound value and this yield value, produces this output signal.
Sound play device of the present invention, this predetermined way preestablishes a critical value and a yield value, this control module is in order to judge that whether this background source of sound value is greater than this critical value, if, then this control module is adjusted the volume of this sound source signal according to this yield value, to produce this output signal.
Sound play device of the present invention, this control module comprises: a comparing unit in order to the size of this background source of sound value and this critical value relatively, produces a comparative result; And an adjustment unit, be coupled to this comparing unit, in order to adjust this sound source signal according to this comparative result and this yield value; Wherein, when this background source of sound value during greater than this critical value, this adjustment unit is adjusted this sound source signal according to this yield value.
Sound play device of the present invention, this control module comprises comparison list, this table of comparisons has a plurality of background source of sound values and this a plurality of background source of sound values are distinguished corresponding a plurality of yield values, this predetermined way is the mode of tabling look-up, the mode that this control module utilization is tabled look-up, adjust the volume of this sound source signal, to produce this output signal.
Sound play device of the present invention, output module comprises: a digital/analog converter, in order to this output signal is converted to a simulation model by figure pattern; And a loud speaker, be coupled to this digital/analog converter, in order to play this output signal of simulation model.
The present invention provides a kind of sound playing method in addition, and it comprises the following steps: step a: acquisition is about the sound of background environment, to produce a background sound signal; Step b: then, change this background sound signal, to produce a corresponding background source of sound value, step c:, utilize this background source of sound value to adjust the volume of a sound source signal, to produce an output signal again according to a predetermined way; Steps d: utilize this output signal of a loudspeaker plays at last.
Sound playing method of the present invention, this step a utilize a sensing element to capture this sound of this background environment, to produce this background sound signal.
Sound playing method of the present invention, this step b comprises: step b1: this background sound signal is carried out noise filtering, to produce a filtering signal; Step b2: this filtering signal is amplified, to produce an amplifying signal; And step b3: change this amplifying signal, to produce this background source of sound value.
Sound playing method of the present invention, this step b3 are converted to this amplifying signal of simulation model this background source of sound value of figure pattern.
Sound playing method of the present invention, the predetermined way of this step c preestablishes a yield value, and this step c adjusts the volume of this sound source signal according to this background source of sound value and this yield value, produces this output signal.
Sound playing method of the present invention, this predetermined way of this step c preestablishes a critical value and a yield value, and this step c comprises the following steps: step c1: judge that whether this background source of sound value is greater than this critical value; And step c2: if then adjust the volume of this sound source signal, to produce this output signal according to this yield value.
Sound playing method of the present invention, this step c comprises the following steps: step c3: the size of this background source of sound value and this critical value relatively produces a comparative result; And step c4: adjust this sound source signal according to this comparative result and this yield value; Wherein, when this background source of sound value during, adjust this sound source signal according to this yield value greater than this critical value.
Sound playing method of the present invention, this predetermined way of this step c is the mode of tabling look-up, this step c comprises the following steps: step c5: store comparison list in advance, wherein, this table of comparisons has a plurality of background source of sound values and this a plurality of background source of sound values are distinguished corresponding a plurality of yield values; And step c6: utilize the mode of tabling look-up, adjust the volume of this sound source signal, to produce this output signal.
Sound playing method of the present invention, this steps d comprises: steps d 1: this output signal is converted to simulation model by figure pattern; And steps d 2: by this output signal of a loudspeaker plays simulation model.
Sound play device of the present invention and method thereof can be adjusted the sound size automatically according to background environment, so can promote user's convenience.
Description of drawings
Fig. 1 is the schematic diagram of sound play device of the present invention.
Fig. 2 A is the schematic diagram of the modular converter of sound play device of the present invention.
Fig. 2 B is the schematic diagram of the control module of sound play device of the present invention.
Fig. 2 C is the schematic diagram of the output module of sound play device of the present invention.
Fig. 3 is the flow chart of steps of sound playing method of the present invention.
Fig. 4 A is the flow chart of the step S32 of sound playing method of the present invention.
Fig. 4 B is the flow chart of an embodiment of the step S34 of sound playing method of the present invention.
Fig. 4 C is the flow chart of another embodiment of the step S34 of sound playing method of the present invention.
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphic elaborating.
See also Fig. 1, Fig. 1 is the schematic diagram of sound play device of the present invention.As shown in Figure 1, a kind of sound play device 10 of the present invention, it comprises a sound detecting module 12, a modular converter 14, a control module 16 and an output module 18.Sound detecting module 12 is in order to the sound of acquisition about background environment, to produce a background sound signal S
BIn an embodiment, sound detecting module 12 is a sensing element, can be used for capturing this sound of this background environment, further produces this background sound signal S
B Modular converter 14 is coupled to sound detecting module 12, in order to background sound signal S
BBe converted to a background source of sound value Value.Control module 16 is coupled to modular converter 14, in order to adjust a sound source signal S according to a predetermined way and this background source of sound value Value
AVolume, produce an output signal S
OOutput module 18 is coupled to control module 16, in order to play this output signal S
O
See also Fig. 2 A, Fig. 2 A is the schematic diagram of the modular converter of sound play device of the present invention.Shown in Fig. 2 A, modular converter 14 comprises a filter unit 141, an amplifying unit 142 and an analog/digital converter 143.Filter unit 141 is in order to this background sound signal S
BCarry out noise filtering, to produce a filtering signal S
FAmplifying unit 142 is coupled to filter unit 141, in order to filtering signal S
FAmplify, to produce an amplifying signal S
MAnalog/digital converter 143 is coupled to amplifying unit 142, in order to change this amplifying signal S
M, to produce this background source of sound value Value.Wherein, analog/digital converter 143 is with the amplifying signal S of simulation model
MBe converted to this background source of sound value Value of figure pattern.In an embodiment, this filter unit 141 is a filter, and this amplifying unit 142 then is an amplifier, owing to the general known industry that is operating as of signal being carried out filtering and amplification is known, therefore no longer gives unnecessary details at this.
In an embodiment, this predetermined way preestablishes a yield value.Control module 16 is adjusted this sound source signal S in order to according to this background source of sound value Value and this yield value
AVolume, produce this output signal S
OIn addition, in another embodiment, this predetermined way preestablishes a critical value and a yield value, and control module 16 judges that in advance whether this background source of sound value Value is greater than this critical value, if then control module 16 is adjusted this sound source signal S according to this yield value
AVolume, to produce this output signal S
O
See also Fig. 2 B, Fig. 2 B is the schematic diagram of an embodiment of the control module of sound play device of the present invention.Shown in Fig. 2 B, control module 16 comprises a comparing unit 161 and an adjustment unit 162.Comparing unit 161 produces a comparative result C in order to compare the size of background source of sound value Value and critical value
1Adjustment unit 162 is coupled to comparing unit 161, in order to according to this comparative result C
1And this yield value is adjusted this sound source signal S
AWherein, as background source of sound value Value during greater than this critical value, adjustment unit 162 is adjusted this sound source signal S according to this yield value
A
In another embodiment, control module 16 comprises comparison list, and wherein this predetermined way then is the mode of tabling look-up.Wherein, have a plurality of background source of sound value Value and this a plurality of background source of sound values in the table of comparisons and distinguish corresponding a plurality of yield values.In an embodiment, control module 16 is utilized the mode of tabling look-up, and adjusts this sound source signal S
AVolume, to produce this output signal S
O
See also Fig. 2 C, Fig. 2 C is the schematic diagram of the output module of sound play device of the present invention.Shown in Fig. 2 C, output module 18 comprises a digital/analog converter 181 and a loud speaker 182.Digital/analog converter 181 is in order to output signal S
OBe converted to a simulation model by figure pattern.Loud speaker 182 is coupled to digital/analog converter 181, in order to play this output signal S of simulation model
O
See also Fig. 3, Fig. 3 is the flow chart of steps of sound playing method of the present invention.As shown in Figure 3, another embodiment of the present invention provides a kind of sound playing method, and it comprises the following steps:
S30: acquisition is about the sound of background environment, to produce a background sound signal; In an embodiment, this step utilizes a sensing element to capture this sound of this background environment, to produce this background sound signal.
S32: change this background sound signal, to produce a corresponding background source of sound value;
S34:, utilize this background source of sound value to adjust the volume of a sound source signal, to produce an output signal according to a predetermined way; And
S36: play this output signal.In this step, earlier output signal is converted to simulation model by figure pattern, then pass through this output signal of a loudspeaker plays simulation model again.
See also Fig. 4 A, Fig. 4 A is the flow chart of the step S32 of sound playing method of the present invention.Shown in Fig. 4 A, step S32 comprises the following steps:
S321: this background sound signal is carried out noise filtering, to produce a filtering signal;
S322: this filtering signal is amplified, to produce an amplifying signal; And
S323: change this amplifying signal, to produce this background source of sound value.This step is converted to this amplifying signal of simulation model this background source of sound value of figure pattern.
In an embodiment, the described predetermined way of step S34 preestablishes a yield value, and step S34 adjusts the volume of this sound source signal according to this background source of sound value and this yield value, produces this output signal.In another embodiment, predetermined way is meant and preestablishes a critical value and a yield value that step S34 judges that whether this background source of sound value is greater than this critical value earlier; If then adjust the volume of this sound source signal, to produce this output signal according to this yield value.If not, then do not carry out any operation.See also Fig. 4 B, Fig. 4 B is the flow chart of an embodiment of the step S34 of sound playing method of the present invention.Shown in Fig. 4 B, in present embodiment, step S34 comprises the following steps:
S341: the size of this background source of sound value and this critical value relatively produces a comparative result; And
S342: adjust this sound source signal according to this comparative result and this yield value;
Wherein, when this background source of sound value during, adjust this sound source signal according to this yield value greater than this critical value.And, then sound source signal is not adjusted when background source of sound value during less than this critical value.
See also Fig. 4 C, Fig. 4 C is the flow chart of another embodiment of the step S34 of sound playing method of the present invention.Shown in Fig. 4 C, in another embodiment, this predetermined way is the mode of tabling look-up, and in present embodiment, step S34 comprises the following steps:
S343: store comparison list in advance, wherein, this table of comparisons has a plurality of background source of sound values and this a plurality of background source of sound values are distinguished corresponding a plurality of yield values; And
S344: by the mode of tabling look-up, adjust the volume of this sound source signal, to produce this output signal.
As previously mentioned, sound play device of the present invention and method capture its sound of place environment on every side earlier, again according to the sound source signal value of the loud abortion looks correspondence that captures, go to adjust the volume that plays sound according to the size of sound source signal value again, to reach the purpose that to adjust the sound size according to background environment automatically, so can promote user's convenience, the problem that can effectively solve known technology and faced.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
10: sound play device
12: the sound detecting module
14: modular converter
16: control module
18: output module
141: filter unit
142: amplifying unit
143: analog/digital converter
161: comparing unit
162: adjustment unit
181: digital/analog converter
182: loud speaker
S
A: sound source signal
S
B: the background sound signal
S
O: output signal
S
F: filtering signal
S
M: amplifying signal
C
1: comparative result
Value: source of sound background value
S30, S32, S34, S36: method step
S321～S323: method step
S341～S344: method step.
Claims (18)
1. a sound play device is characterized in that, comprising:
One sound detecting module is in order to the sound of acquisition about background environment, to produce a background sound signal;
One modular converter is coupled to this sound detecting module, in order to being a background source of sound value with this background sound conversion of signals;
One control module is coupled to this modular converter, in order to adjust the volume of a sound source signal according to a predetermined way and this background source of sound value, produces an output signal; And
One output module is coupled to this control module, in order to play this output signal.
2. sound play device according to claim 1 is characterized in that, this sound detecting module is a sensing element, in order to capture this sound of this background environment, produces this background sound signal.
3. sound play device according to claim 1 is characterized in that, this modular converter comprises:
One filter unit is in order to carry out noise filtering with this background sound signal, to produce a filtering signal;
One amplifying unit is coupled to this filter unit, in order to this filtering signal is amplified, to produce an amplifying signal; And
One analog/digital converter is coupled to this amplifying unit, in order to change this amplifying signal, produces this background source of sound value.
4. sound play device according to claim 3 is characterized in that, this analog/digital converter is converted to this amplifying signal of simulation model this background source of sound value of figure pattern.
5. sound play device according to claim 1 is characterized in that this predetermined way preestablishes a yield value, and this control module is adjusted the volume of this sound source signal in order to according to this background source of sound value and this yield value, produces this output signal.
6. sound play device according to claim 1, it is characterized in that, this predetermined way preestablishes a critical value and a yield value, this control module is in order to judge that whether this background source of sound value is greater than this critical value, if, then this control module is adjusted the volume of this sound source signal according to this yield value, to produce this output signal.
7. sound play device according to claim 6 is characterized in that, this control module comprises:
One comparing unit in order to the size of this background source of sound value and this critical value relatively, produces a comparative result; And
One adjustment unit is coupled to this comparing unit, in order to adjust this sound source signal according to this comparative result and this yield value;
Wherein, when this background source of sound value during greater than this critical value, this adjustment unit is adjusted this sound source signal according to this yield value.
8. sound play device according to claim 1, it is characterized in that, this control module comprises comparison list, this table of comparisons has a plurality of background source of sound values and this a plurality of background source of sound values are distinguished corresponding a plurality of yield values, this predetermined way is the mode of tabling look-up, the mode that this control module utilization is tabled look-up is adjusted the volume of this sound source signal, to produce this output signal.
9. sound play device according to claim 1 is characterized in that output module comprises:
One digital/analog converter is in order to be converted to a simulation model with this output signal by figure pattern; And
One loud speaker is coupled to this digital/analog converter, in order to play this output signal of simulation model.
10. a sound playing method is characterized in that, comprises the following steps:
Step a: acquisition is about the sound of background environment, to produce a background sound signal;
Step b: change this background sound signal, to produce a corresponding background source of sound value;
Step c:, utilize this background source of sound value to adjust the volume of a sound source signal, to produce an output signal according to a predetermined way; And
Steps d: play this output signal.
11. sound playing method according to claim 10 is characterized in that, this step a utilizes a sensing element to capture this sound of this background environment, to produce this background sound signal.
12. sound playing method according to claim 10 is characterized in that, this step b comprises:
Step b 1: this background sound signal is carried out noise filtering, to produce a filtering signal;
Step b2: this filtering signal is amplified, to produce an amplifying signal; And
Step b3: change this amplifying signal, to produce this background source of sound value.
13. sound playing method according to claim 12 is characterized in that, this step b3 is converted to this amplifying signal of simulation model this background source of sound value of figure pattern.
14. sound playing method according to claim 10 is characterized in that, the predetermined way of this step c preestablishes a yield value, and this step c adjusts the volume of this sound source signal according to this background source of sound value and this yield value, produces this output signal.
15. sound playing method according to claim 10 is characterized in that, this predetermined way of this step c preestablishes a critical value and a yield value, and this step c comprises the following steps:
Step c1: judge that whether this background source of sound value is greater than this critical value; And
Step c2: if then adjust the volume of this sound source signal, to produce this output signal according to this yield value.
16. sound playing method according to claim 15 is characterized in that, this step c comprises the following steps:
Step c3: the size of this background source of sound value and this critical value relatively produces a comparative result; And
Step c4: adjust this sound source signal according to this comparative result and this yield value;
Wherein, when this background source of sound value during, adjust this sound source signal according to this yield value greater than this critical value.
17. sound playing method according to claim 10 is characterized in that, this predetermined way of this step c is the mode of tabling look-up, and this step c comprises the following steps:
Step c5: store comparison list in advance, wherein, this table of comparisons has a plurality of background source of sound values and this a plurality of background source of sound values are distinguished corresponding a plurality of yield values; And
Step c6: utilize the mode of tabling look-up, adjust the volume of this sound source signal, to produce this output signal.
18. sound playing method according to claim 10 is characterized in that, this steps d comprises:
Steps d 1: this output signal is converted to simulation model by figure pattern; And
Steps d 2: by this output signal of a loudspeaker plays simulation model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810094541XA CN101567671A (en) | 2008-04-22 | 2008-04-22 | Device and method for playing sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810094541XA CN101567671A (en) | 2008-04-22 | 2008-04-22 | Device and method for playing sound |
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| CN101567671A true CN101567671A (en) | 2009-10-28 |
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| CNA200810094541XA Pending CN101567671A (en) | 2008-04-22 | 2008-04-22 | Device and method for playing sound |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133652A (en) * | 2014-06-10 | 2014-11-05 | 腾讯科技（深圳）有限公司 | Audio playing control method and terminal |
| CN104768095A (en) * | 2015-03-17 | 2015-07-08 | 刘银明 | Intelligent loudspeaker in meeting room |
| CN105681973A (en) * | 2016-03-14 | 2016-06-15 | 广州趣丸网络科技有限公司 | Sound channel switching method and switching system of mobile terminal |
| CN108435517A (en) * | 2017-02-16 | 2018-08-24 | 南宁富桂精密工业有限公司 | Direct sound play system and its playback method |
| CN114205714A (en) * | 2020-08-13 | 2022-03-18 | 漳州立达信光电子科技有限公司 | Noise-shaping type volume adjustment system and method |
-
2008
- 2008-04-22 CN CNA200810094541XA patent/CN101567671A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133652A (en) * | 2014-06-10 | 2014-11-05 | 腾讯科技（深圳）有限公司 | Audio playing control method and terminal |
| CN104133652B (en) * | 2014-06-10 | 2016-02-17 | 腾讯科技（深圳）有限公司 | A kind of audio play control method, and terminal |
| US10235125B2 (en) | 2014-06-10 | 2019-03-19 | Tencent Technology (Shenzhen) Company Limited | Audio playback control method, and terminal device |
| CN104768095A (en) * | 2015-03-17 | 2015-07-08 | 刘银明 | Intelligent loudspeaker in meeting room |
| CN105681973A (en) * | 2016-03-14 | 2016-06-15 | 广州趣丸网络科技有限公司 | Sound channel switching method and switching system of mobile terminal |
| CN105681973B (en) * | 2016-03-14 | 2019-08-23 | 广州趣丸网络科技有限公司 | Sound channel switching method and system of mobile terminal |
| CN108435517A (en) * | 2017-02-16 | 2018-08-24 | 南宁富桂精密工业有限公司 | Direct sound play system and its playback method |
| US10412492B2 (en) | 2017-02-16 | 2019-09-10 | Nanning Fugui Precision Industrial Co., Ltd. | Directional sound playing system and method |
| CN108435517B (en) * | 2017-02-16 | 2019-12-31 | 南宁富桂精密工业有限公司 | Directional sound playing system and playing method thereof |
| CN114205714A (en) * | 2020-08-13 | 2022-03-18 | 漳州立达信光电子科技有限公司 | Noise-shaping type volume adjustment system and method |
| CN114205714B (en) * | 2020-08-13 | 2024-03-29 | 漳州立达信光电子科技有限公司 | Noise shaping type volume adjusting system and method |
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Open date: 20091028 |