Abstract: A method for eliminating sound is disclosed. The method is applied to an electronic device capable of connecting with a sound playback device and includes a microphone. The method includes the following steps of: receiving a first input sound via the microphone to acquire a first input sound signal; recording the first input sound signal and transmitting the first input sound signal to the sound playback device; receiving a second input sound from the sound playback device to acquire a second input sound signal, wherein the second input sound is generated by the sound playback device according to the first input sound signal; determining a difference in generation times between the first input sound signal and the second input sound signal; and filtering the second input sound signal according to the difference in generation times and the first input sound signal.

Abstract: An electronic device and an equalizer adjustment method thereof are disclosed. The method comprises the steps of: storing a list of age gain values, the list of age gain values comprising a plurality of age segments, respectively increasing from the first age segment to the Nth age segment, each of the age segments comprising a group correcting parameters, the group correcting parameters including a plurality of compensation gain values respectively corresponding to a plurality of target frequency, and the compensation gain values in the same target frequency are increased as N increases; obtaining an age data of an user; obtaining the target age segment, wherein the target age segment is one of the age segments; obtaining the group correction parameter corresponding to the target age segment; and adjusting a gain value setting of the equalizer to sound at different frequencies according to the group correction parameter.

Abstract: A sound playback device and a noise reducing method thereof are disclosed. The method comprises the steps of: receiving an input sound signal, wherein the input sound signal includes a noise; performing a first denoising processing procedure to the input sound signal to obtain a first processing sound signal; performing a noise analysis procedure to the input sound signal to generate an analysis result; performing a second denoising processing procedure to the first processing sound signal to obtain a second processing sound signal according to the analysis result so as to reduce the noise; and outputting the second processing sound signal.

Abstract: A voice processing method, a voice communication device, and a computer program product thereof are disclosed. The method comprises the steps of: receiving a transmitting voice signal from a receiver end communication device; determining a frequency range of the transmitting voice signal; receiving an original voice signal from a first user; processing the original voice signal to a processed voice signal, wherein the processed voice signal is generated based on the frequency range of the transmitting voice signal; and outputting the processed voice signal to the receiver end communication device.

Abstract: A method of detecting audio input mode applied to an electronic device is disclosed. According to how the user presses the start button of the electronic device, the audio input mode is determined to be a short-press mode or a long-press mode. The method of detecting an audio input mode includes: detecting if a pressing time of the start button is less than a threshold time; if so, determining that the audio input mode is the short-press mode; if not, detecting if an audio time of the receiving audio of the microphone exceeds an audio threshold time during the pressing time; if so, determining that the audio input mode is the long-press mode; if not, determining that the audio input mode is the short-press mode.

Abstract: A sound signal detection device is closed. The sound signal detection device is connected between an audio output device and a speaker apparatus. The sound signal detection device includes a first connecting port, a second connecting port, a microphone, and a processing module. The first connecting port connects to the audio output device and acquires a first sound signal. The second connecting port is used for outputting the first sound signal to the speaker apparatus. The microphone is used for receiving a second sound signal from the speaker apparatus. The process module is electrically connected to the microphone and used for detecting a volume of the second sound signal to generate a real volume signal.

Abstract: A sound adjustment method applied to a sound adjustment system is disclosed. The sound adjustment system includes a sound receiving module, a sound identification module, a sound frequency conversion module and a sound equalizer. The sound adjustment method includes the steps of: receiving a sound signal via the sound receiving module; identifying the sound signal via the sound identification module to determine a type of the sound signal; if the sound signal is a voice signal, executing a frequency conversion of the voice signal via the sound frequency conversion module such that the voice signal becomes a frequency-converted voice signal; if the sound signal is a non-voice signal, adjusting the non-voice signal via the sound equalizer such that the non-voice signal becomes an equalizer-adjusted sound signal.

Abstract: A sound playback device and a method for masking interference sound through a noise masking signal thereof are disclosed. The method comprises the steps of: playing an audio signal as a noise masking signal; receiving an ambient sound; analyzing whether the ambient sound has an interference sound in N different frequency bands; if so, finding at least one interference sound frequency band and a time period, and the interference sound conforms to the condition that an instant sound entropy value is greater than a dynamic sound average entropy value, wherein the instant sound entropy value is the calculated sound entropy value in a current sampling time; the dynamic sound average entropy value is an average entropy value of the sum of the previous instant sound entropy values; and increasing an energy of the noise masking signal in the interference sound frequency band and the time period.

Abstract: A sound collection equipment is disclosed. The sound collection equipment includes a speaker, a microphone and a processing unit. The speaker is used for generating a test sound having a first frequency. The microphone is used for receiving an external sound. The processing unit is electronically connected to the microphone and the processing unit. The processing unit is used for determining whether a frequency range of the external sound includes the first frequency and whether the energy of the external sound exceeds a predetermined energy value, and for judging that the sound collection equipment is in a usage state when the frequency range of the external sound includes the first frequency and the energy of the external sound does not exceed the predetermined energy value.

Abstract: A sound playing device and a connection establishing method thereof are disclosed. The sound playing device comprises a wireless transmission module, a detection module, and a control module. The wireless transmission module is used for establishing a connection with an electronic device via a first or a second wireless transmission path, wherein the first and the second wireless transmission path are used for receiving an audio signal and a data signal respectively. The detection module detects whether the wireless transmission module is connected to the electronic device via the first or the second wireless transmission path. When the detection module detects that the electronic device is to be connected via the second wireless transmission path, it further detects whether the electronic device is connected via the first wireless transmission path. If yes, then the control module enables the connection via the second wireless transmission path.

Abstract: An electronic device with a function of smart voice service is disclosed. The electronic device is capable of identifying a user who is using the function of smart voice service and of adjusting the frequency of output sound to answer according to the hearing state of the user.

Abstract: A method of adjusting an equalizer is disclosed. The method is applied to an electronic device for adjusting a plurality of gain values of the equalizer synchronously. The method of adjusting an equalizer of the present invention includes the steps of receiving an adjusting command; increasing or decreasing each of the gain values synchronously in an equimultiple way; storing adjusted gain values in a memory of the electronic device.

Abstract: An audio transmission system and an audio processing method thereof are disclosed. The audio transmission system includes a wireless communication module, a sound receiving module, a memory module, a sound adjustment module, and an output module. The wireless communication module is used for receiving a wireless communication signal or a wireless audio signal from an electronic device. The sound receiving module is used for receiving an ambient sound signal. The memory module stores a first parameter, a second parameter, and a third parameter. The sound adjustment module adjusts the received wireless communication signal, the wireless audio signal, or the ambient sound signal according to the first parameter, the second parameter, or the third parameter so as to generate an adjusted sound signal. The output module is used for outputting the adjusted sound signal.

Abstract: An electronic device includes an image capture module and a processing unit. The image capture module is used for capturing a user's face image. The processing unit includes an image analysis module and an inquiry module. The image analysis module is signally connected to the image capture module for analyzing the face image and obtaining age data according to a face recognition result. The inquiry module is signally connected to the image analysis module for obtaining a user's hearing data according to the age data, wherein the hearing data is the minimum volume data audible to the user for different frequencies of sound.

Abstract: A hearing aid communication system and a hearing aid communication method thereof are disclosed. The hearing aid communication method includes the following steps: determining whether the sound-providing apparatus is providing a digital signal; when the sound-providing apparatus is providing a digital signal, establishing a connection with the hearing aid; determining whether the digital signal has a sound signal; if the digital signal has the sound signal, further informing the hearing aid able to execute a streaming mode; receiving the digital signal to be transferred to the hearing aid; when the sound-providing apparatus has stopped providing the digital signal with a sound signal, notifying the hearing aid that it can stop executing the streaming mode; and when the sound-providing apparatus is not providing the digital signal, breaking the connection with the hearing aid.

Abstract: A printed circuit board has a copper clad laminate and a plurality of holes. The copper clad laminate for dissipating heats generated from a chip when the chip operates has a plurality of solder paste disposed areas. The plurality of holes situate on the copper clad laminate and each of the holes does not communicate with others, wherein the plurality of holes are nonconductors. Each of the solder paste disposed areas is surrounded by the plurality of holes and each solder paste disposed areas is surrounded by at least two holes.

Abstract: A method for automatically lowering the playing volume is disclosed. The method includes the following steps of: obtaining a first value according to a first playing volume and a first accumulated playing time of a sound player; determining whether the first value reaches a first threshold value; if yes, then lowering the first playing volume of the sound player to a second playing volume; obtaining a second value according to the second playing volume and a second accumulated playing time of the sound player; determining whether the second value reaches a second threshold value; if yes, then lowering the second playing volume of the sound player again, wherein the second threshold value is less than the first threshold value.

Abstract: A hearing aid communication system and a hearing aid communication method thereof are disclosed. The hearing aid communication method includes the steps of: determining whether a sound-providing apparatus is providing a sound signal; when the sound-providing apparatus is providing a sound signal, establishing a connection with a hearing aid; receiving the sound signal from the sound-providing apparatus for transmission to the hearing aid; and when the sound-providing apparatus stops providing the sound signal, breaking the connection with the hearing aid.

Abstract: An electronic device capable of adjusting output sound is disclosed. The electronic device determines hearing state of a user by voiceprint recognition, and adjusts frequency of output sound, such that the output sound coincides with the hearing state of the user.

Abstract: A method for recording a playback setting of sound is disclosed. The method is applied to an electronic device having an equalizer and includes the following steps of: acquiring an archival data of a sound file played by the electronic device; receiving a set record command; acquiring a gain setting data of the equalizer according to the set record command; pairing the archival data with the gain setting data to generate a pairing data; and saving the pairing data.