Electronic device capable of adjusting an equalizer according to physiological condition of hearing and adjustment method thereof

1. An electronic device, comprising:

an equalizer; and

an equalizer adjustment system, which is used for adjusting the settings of the equalizer, the equalizer adjustment system comprising:

a testing module, which is used for providing a hearing test procedure so as to acquire a plurality of minimum gain values at which sounds at different frequencies can be heard by a user after the user finishes the hearing test procedure;

a parameter calculation module, which is used for generating a correction processing parameter according to each of the minimum gain values and a reference gain value; and

a parameter setting module, which is used for adjusting the settings of gain values of sounds at different frequencies of the equalizer according to the correction processing parameter,

wherein the reference gain value is (10×N) dB, (0<N<20), and N is an integer, and

wherein when each of the minimum gain values is greater than the reference gain value, the parameter setting module increases by N the gain values of sounds corresponding to each of the frequencies of the equalizer.

2. The electronic device as claimed in claim 1 , further comprising an audio processing chip.

3. The electronic device as claimed in claim 2 , wherein the equalizer is disposed in the audio processing chip.

4. The electronic device as claimed in claim 1 , further comprising an audio playback device, which comprises a second audio processing chip and a speaker.

5. The electronic device as claimed in claim 4 , wherein the equalizer is disposed in the audio playback device.

6. The electronic device as claimed in claim 5 , wherein the equalizer is disposed in the second audio processing chip.

7. The electronic device as claimed in claim 6 , wherein the reference gain value is the smallest of the minimum gain values.

8. The electronic device as claimed in claim 6 , wherein when each of the minimum gain values is greater than the reference gain value 10×N dB, the parameter setting module increases the gain values of sounds corresponding to each of the frequencies of the equalizer N dB, wherein 0<N<20, and N is usually an integer when doing a test.

9. The electronic device as claimed in claim 6 , wherein the testing module further comprises:

a sound producing unit, which is used for making a plurality of test sounds with different frequencies;

a response receiving unit, which is used for receiving a response command inputted by a user when the user hears each of the test sounds; and

a recording unit, which is used for acquiring each of the minimum gain values at which the sounds at different frequencies can be heard by the user according to each of the response commands.

10. The electronic device as claimed in claim 9 , wherein the electronic device further comprises a screen and the testing module further comprises a key providing unit, which is used for displaying a virtual key on the screen so that the user can select and input each of the response commands.

11. The electronic device as claimed in claim 1 , wherein the reference gain value is the smallest of the minimum gain values.

12. The electronic device as claimed in claim 1 , wherein the testing module further comprises:

a sound producing unit, which is used for making a plurality of test sounds with different frequencies;

a response receiving unit, which is used for receiving a response command inputted by a user when the user hears each of the test sounds; and

a recording unit, which is used for acquiring each of the minimum gain values at which sounds at different frequencies can be heard by the user according to each of the response commands.

13. An audio playback device, which is electrically connected to an electronic device having a first audio processing chip,

the electronic device comprising:

a testing module, which is used for providing a hearing test procedure so as to acquire a plurality of minimum gain values at which sounds at different frequencies can be heard by a user after the user finishes the hearing test procedure;

a parameter calculation module, which is used for generating a correction processing parameter according to each of the minimum gain values and a reference gain value; and

a parameter setting module, which is used for adjusting the settings of gain values of sounds at different frequencies of the equalizer according to the correction processing parameter, and

the audio playback device comprising:

a second audio processing chip;

a signal receiver, which is electrically connected to the second audio processing chip for receiving a parameter setting command from the electronic device; and

an equalizer, in which the parameter setting command is used for adjusting the settings of gain values of sounds at different frequencies,

wherein the reference gain value is (10×N) dB, (0<N<20), and N is an integer, and

wherein when each of the minimum gain values is greater than the reference gain value, the parameter setting module increases by N the gain values of sounds corresponding to each of the frequencies of the equalizer.

14. The audio playback device as claimed in claim 13 , wherein the equalizer is disposed in the second audio processing chip.

15. A method for adjusting an equalizer, which is applied to an electronic device and used to adjust the settings of an equalizer, the method for adjusting the equalizer comprising the following steps:

providing a hearing test procedure so as to acquire a plurality of minimum gain values at which sounds at different frequencies can be heard by a user after the user finishes the hearing test procedure;

generating a correction processing parameter according to each of minimum gain values and a reference gain value; and

adjusting the settings of gain values of sounds at different frequencies of the equalizer according to the correction processing parameter,

wherein the reference gain value is (10×N) dB, (0<N<20), and N is an integer, and

wherein when each of the minimum gain values is greater than the reference gain value, the gain values of sounds corresponding to each of the frequencies of the equalizer are increased by N.

16. The method for adjusting an equalizer as claimed in claim 15 , wherein the reference gain value is the smallest of the minimum gain values.

17. The method for adjusting an equalizer as claimed in claim 15 , wherein providing the hearing test procedure comprises the steps of:

controlling the electronic device to make a plurality of test sounds at different frequencies;

receiving a response command inputted by a user when the user hears each of the test sounds; and

acquiring each of the minimum gain values at which the sounds at different frequencies can be heard by the user according to each of the response commands.

18. The method for adjusting an equalizer as claimed in claim 17 , wherein the electronic device comprises a screen, the step of providing the hearing test procedure further comprising the following step:

providing a virtual key to display on the screen so that the user can select and input each of the response commands.