Method for automatically lowering a playing volume and electronic device performing the same

1. A method for automatically lowering the playing volume, which is applicable in an electronic device comprising a sound player, the method comprising the following steps of:

obtaining a first value according to a first playing volume and a first accumulated playing time of the sound player;

determining whether the first value reaches a first threshold value; if yes, then lowering the first playing volume of the sound player by n decibels (dB), wherein 1≤n≤10, and going to steps of:

obtaining a second value according to a second playing volume and a second accumulated playing time of the sound player; and

determining whether the second value reaches a second threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the second threshold value is less than the first threshold value.

2. The method as claimed in claim 1 , wherein the second threshold value is x percent (%) of the first threshold value, where 60≤x≤95.

3. The method as claimed in claim 2 , wherein the first value will not be increased when the first playing volume is lower than Q dB, and the second value will not be increased when the second playing volume is lower than Q dB, where 30≤Q≤85.

4. The method as claimed in claim 3 , wherein when the first playing volume is higher than Q dB, the higher the first playing volume is, the more the first value will be increased, and the higher the second playing volume is, the more the second value will be increased.

5. The method as claimed in claim 1 , wherein when the second value reaches the second threshold value, the method goes to steps of:

obtaining a third value according to a third playing volume and a third playing time of the sound player; and

determining whether the third value reaches a third threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

6. The method as claimed in claim 2 , wherein when the second value reaches the second threshold value, the method goes to steps of:

obtaining a third value according to a third playing volume and a third playing time of the sound player; and

determining whether the third value reaches a third threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

7. The method as claimed in claim 3 , wherein when the second value reaches the second threshold value, the method goes to steps of:

obtaining a third value according to a third playing volume and a third playing time of the sound player; and

determining whether the third value reaches a third threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

8. The method as claimed in claim 4 , wherein when the second value reaches the second threshold value, the method goes to steps of:

obtaining a third value according to a third playing volume and a third playing time of the sound player; and

determining whether the third value reaches a third threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

9. The method as claimed in claim 5 , wherein the third threshold value is y % of the second threshold value, where 60≤y≤95.

10. The method as claimed in claim 8 , wherein the third threshold value is y % of the second threshold value, where 60≤y≤95.

11. An electronic device for automatically lowering the playing volume comprising:

a sound player for playing sound; and

a processing unit electrically connected with the sound player, the processing unit comprising:

a calculating and measuring module obtaining a first value according to a first playing volume and a first accumulated playing time of the sound player; and

a control module determining whether the first value reaches a first threshold value; if yes, then lowering the first playing volume of the sound player by n decibels (dB), wherein 1≤n≤10; then the calculating and measuring module obtaining a second value according to a second playing volume and a second accumulated playing time of the sound player, and the control module determining whether the second value reaches a second threshold value; if yes, then lowering the second playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the second threshold value is less than the first threshold value.

12. The electronic device as claimed in claim 11 , wherein the second threshold value is x percent (%) of the first threshold value, where 60≤x≤95.

13. The electronic device as claimed in claim 12 , wherein the first value will not be increased when the first playing volume is lower than Q dB, and the second value will not be increased when the second playing volume is lower than Q dB, where 30≤Q≤85.

14. The electronic device as claimed in claim 13 , wherein when the first playing volume is higher than Q dB, the higher the first playing volume is, the more the first value will be increased, and the higher the second playing volume is, the more the second value will be increased.

15. The electronic device as claimed in claim 11 , wherein when the second value reaches the second threshold value, the calculating and measuring module obtains a third value according to a third playing volume and a third playing time of the sound player, and the control module determines whether the third value reaches a third threshold value; if yes, then it lowers the third playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

16. The electronic device as claimed in claim 12 , wherein when the second value reaches the second threshold value, the calculating and measuring module obtains a third value according to a third playing volume and a third playing time of the sound player, and the control module determines whether the third value reaches a third threshold value; if yes, then it lowers the third playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

17. The electronic device as claimed in claim 13 , wherein when the second value reaches the second threshold value, the calculating and measuring module obtains a third value according to a third playing volume and a third playing time of the sound player, and the control module determines whether the third value reaches a third threshold value; if yes, then it lowers the third playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

18. The electronic device as claimed in claim 14 , wherein when the second value reaches the second threshold value, the calculating and measuring module obtains a third value according to a third playing volume and a third playing time of the sound player, and the control module determines whether the third value reaches a third threshold value; if yes, then it lowers the third playing volume of the sound player by m dB, wherein 0.5≤m≤10, and the third threshold value is less than the second threshold value.

19. The electronic device as claimed in claim 15 , wherein the third threshold value is x percent (%) of the second threshold value, where 60≤x≤95.

20. The electronic device as claimed in claim 18 , wherein the third threshold value is x percent (%) of the second threshold value, where 60≤x≤95.