Headphones and methods for adjusting sound effects of headphones

1 . A headphone, comprising:

a speaker, configured to play an audio file;

a communication module, configured to establish a communication connection with a terminal device, wherein the terminal device includes a display screen configured to display a first user interface, the first user interface includes one or more selection controls configured to select any sound effect mode from at least two different sound effect modes, and sound parameters of audio streams of the audio file played by the speaker of the headphone in the different sound effect modes have different values;

an optimization module, configured to adjust, based on a correspondence between a certain sound effect mode and its corresponding values of the sound parameters, values of the sound parameters of an audio stream of the audio file to the corresponding values of the sound parameters of the certain sound effect mode; and

a sensor, configured to detect a wearing state of a human ear, wherein the wearing state of a human ear includes a state of the human ear without earplugs, and a state of the human ear wearing the earplugs, wherein the state of the human ear wearing the earplugs includes a wearing position and a wearing time of the earplugs; and

a controller, configured to control the communication module to receive the audio stream of the audio file from the terminal device, control the optimization module to process the audio stream of the audio file and output the audio stream of the audio file to the speaker, and select a specific sound effect mode from the at least two different sound effect modes based on the wearing state of the human ear detected by the sensor, and control the speaker to play the audio file in the specific sound effect mode, wherein the at least two different sound effect modes include a first sound effect mode and a second sound effect mode, wherein the specific sound effect mode is selected from the at least two different sound effect modes based on the wearing state of the human ear detected by the sensor by:

in response to detecting that the wearing state of the human ear is the state of the human ear without earplugs, automatically selecting the first sound effect mode;

in response to detecting that the wearing state of the human ear is the state of the human ear wearing the earplugs, automatically selecting the second sound effect mode.

2 . The headphone of claim 1 , wherein:

in the first sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band of 200 Hz-10 KHz has a flat trend, and a signal response in a frequency band below 100 Hz is weaker than the signal response in the frequency band of 200 Hz-10 kHz; and

in the second sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band below 1 kHz is weaker than a signal response in a frequency band above 1 kHz.

3 . The headphone of claim 1 , wherein:

the at least two different sound effect modes include a third sound effect mode, in the third sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band of 400 Hz-3 kHz is significantly enhanced relative to signal responses in other frequency bands, and the third sound effect mode suitable for playing an audio file with a proportion of vocal is greater than a first threshold or a proportion of intermediate frequency is greater than a second threshold.

4 . The headphone of claim 3 , wherein:

the headphone further includes a parsing module configured to parse a type of an audio file to be played; and

the controller selects a specific sound effect mode from the at least two different sound effect modes based on the type of the audio file determined by the parsing module, and controls the speaker to play the audio file in the specific sound effect mode.

5 . The headphone of claim 3 , wherein the at least two different sound effect modes include a fourth sound effect mode, and the fourth sound effect mode is suitable for playing an audio file with the proportion of vocal is less than the first threshold or the proportion of intermediate frequency is less than the second threshold.

6 . The headphone of claim 1 , wherein:

the headphone further includes a storage and an input module, the input module is configured to input the corresponding values of the sound parameters of each sound effect mode of the at least two different sound effect modes, and the storage is configured to store the corresponding values of the sound parameters of each sound effect mode.

7 . The headphone of claim 1 , wherein:

the first user interface includes a main operation interface, and the main operation interface includes at least one of: a playback operation control, a Bluetooth connection control, and a tuning control, wherein the playback operation control is configured to control the speaker to play or pause a playback of the audio file, the Bluetooth connection control is configured to connect the headphone to the terminal device, and the tuning control is configured to adjust a volume of the speaker when playing the audio file.

8 . The headphone of claim 7 , wherein:

the first user interface includes a sound effect setting interface, and the sound effect setting interface pops up when the terminal receives a sound effect setting instruction from the user; and

each selection control of the one or more selection controls corresponding to the at least two different sound effect modes includes an operation region for receiving the selection instruction from the user, and a ratio of a total area of the operation regions of the one or more selection controls to a total area of the sound effect setting interface is greater than or equal to 0.2 and less than or equal to 1.

9 . The headphone of claim 8 , wherein:

the each selection control of the one or more selection controls corresponding to the at least two different sound effect modes further includes an operation description region configured to explain functions of the operation region, wherein when the first user interface is the main operation interface, the operation description region and the operation region at least partially overlap, and when the first user interface is the sound effect setting interface, the operation description region and the operation region are disposed independently.

10 . The headphone of claim 9 , wherein the operation description region includes an image description area, the image description area contains an image showing a human ear wearing the headphone but not wearing the earplugs, an image showing a human ear wearing the headphone and the earplugs, and an image showing a person speaking.

11 . A method for adjusting a sound effect of a headphone, comprising:

obtaining wearing state information of a human ear and type information of an audio file to be played, wherein the wearing state information of a human ear includes a state of the human ear without earplugs, and a state of the human ear wearing the earplugs, wherein the state of the human ear wearing the earplugs includes a wearing position and a wearing time of the earplugs;

selecting, based on the wearing state information of the human ear and the type information of the audio file to be played, a corresponding sound effect mode on a terminal device that is in a communication connection with the headphone, wherein the selecting the corresponding sound effect mode based on the wearing state of the human ear and the type information of the audio file to be played includes:

in response to detecting that the wearing state of the human ear is the state of the human ear without earplugs, automatically selecting the first sound effect mode;

in response to detecting that the wearing state of the human ear is the state of the human ear wearing the earplugs, automatically selecting the second sound effect mode; and

adjusting, based on corresponding values of sound parameters of the selected sound effect mode, the sound effect when the headphone plays the audio file.

12 . A headphone, comprising: a speaker, configured to play an audio file;

a communication module, configured to establish a communication connection with at least one terminal device, wherein the at least one terminal device includes a display screen configured to display a second user interface, the second user interface includes a multi-device connection function control configured to turn on or off a dual-device connection function, when the multi-device connection function control is turned on, the communication module is configured to establish the communication connection with at least two terminal devices, and when the multi-device connection control is turned off, the communication module is configured to establish a communication connection with only one terminal device;

a sensor, configured to detect a wearing state of a human ear, wherein the wearing state of a human ear includes a state of the human ear without earplugs, and a state of the human ear wearing the earplugs, wherein the state of the human ear wearing the earplugs includes a wearing position and a wearing time of the earplugs; and

a controller, configured to control the communication module to receive the audio file from the terminal device that is in the communication connection with the headphone, control the speaker to play the audio file, and select a specific sound effect mode from at least two different sound effect modes based on the wearing state of the human ear detected by the sensor, wherein the at least two different sound effect modes include a first sound effect mode and a second sound effect mode, wherein the specific sound effect mode is selected from the at least two different sound effect modes based on the wearing state of the human ear detected by the sensor by:

in response to detecting that the wearing state of the human ear is the state of the human ear without earplugs, automatically selecting the first sound effect mode;

in response to detecting that the wearing state of the human ear is the state of the human ear wearing the earplugs, automatically selecting the second sound effect mode.

13 . The headphone of claim 12 , wherein:

the multi-device connection function control is a dual-device connection function control configured to turn on a dual-device connection function; and the communication module is configured to establish a Bluetooth connection with at least one terminal device.

14 . The headphone of claim 12 , wherein:

the second user interface further includes a terminal connection control configured to establish or disconnect a communication connection between the headphone and the terminal device.

15 . The headphone of claim 12 , wherein the display screen is further configured to display a third user interface, the third user interface includes one or more selection controls configured to select any sound effect mode from the at least two different sound effect modes, and sound parameters of audio streams of the audio file played by the speaker of the headphone in the different sound effect modes have different values.

16 . The headphone of claim 15 , further comprising:

an optimization module, configured to adjust, based on a correspondence between a certain sound effect mode and its corresponding values of the sound parameters, values of the sound parameters of an audio stream of the audio file to the corresponding values of the sound parameters of the certain sound effect mode.

17 . The headphone of claim 16 , wherein:

in the first sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band of 200 Hz-10 kHz has a flat trend, and a signal response in a frequency band below 100 Hz is weaker than the signal response in the frequency band of 200 Hz-10 kHz; and

in the second sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band below 1 kHz is weaker than a signal response in a frequency band above 1 kHz.

18 . The headphone of claim 16 , wherein:

the at least two different sound effect modes include a third sound effect mode, in the third sound effect mode, in a frequency response curve of an electrical signal of the audio file processed by the optimization module, a signal response in a frequency band of 400 Hz-3 kHz is significantly enhanced relative to signal responses in other frequency bands.

19 . The headphone of claim 15 , wherein:

the headphone further includes a parsing module configured to parse a type of an audio file to be played; and

the controller selects a specific sound effect mode from the at least two different sound effect modes based on the type of the audio file determined by the parsing module, and controls the speaker to play the audio file in the specific sound effect mode.