Abstract: An electronic device includes an audio input module, an audio output module, and a processor. The processor is configured to provide a first signal and a second signal into which a first audio signal is processed, output the first audio signal through the audio output module, acquire an external audio signal comprising the first audio signal of the electronic device, acquire a first output value through a first input channel of an audio filter, acquire a second output value through a second input channel of the audio filter, and provide a second audio signal, based at least on a first difference value between the magnitude value corresponding to the first frequency of the external audio signal and the first output value and a second difference value between the magnitude value corresponding to the second frequency of the external audio signal and the second output value.

Abstract: Various embodiments of the present disclosure relate to an apparatus and a method for detecting an error of an audio component in an electronic device. The electronic device includes: at least one sound output device; at least one microphone; and a processor, and the processor is configured to identify a deviation related to a loudness of an audio signal acquired through the at least one microphone, and to determine whether an error related to the at least one microphone occurs, based at least on the deviation. Other embodiments are possible.

Abstract: An electronic device according to various embodiments of the present invention may comprise: a gyro sensor for sensing rotation of an electronic device; a memory for storing a plurality of head related transfer functions corresponding to a plurality of directions; and a processor configured to generate a stereo signal by applying, to an audio signal, a first head related transfer function corresponding to a first direction, generate a stereo signal by applying, to the audio signal, a second head related transfer function corresponding to a third direction symmetric to a second direction with reference to the first direction when the electronic device rotates from the first direction to the second direction, and generate a stereo signal by applying the first head related transfer function to the audio signal when a pre-designated time elapses after the electronic device rotates from the first direction to the second direction.

Abstract: Disclosed are a method and apparatus for processing a non-linear signal in an electronic device. The electronic device includes an audio input module, an audio output module, and a processor.

Abstract: Various embodiments of the present disclosure relate to an apparatus and a method for detecting an error of an audio component in an electronic device. The electronic device includes: at least one sound output device; at least one microphone; and a processor, and the processor is configured to identify a deviation related to a loudness of an audio signal acquired through the at least one microphone, and to determine whether an error related to the at least one microphone occurs, based at least on the deviation. Other embodiments are possible.

Abstract: An electronic device according to various embodiments of the present invention may comprise: a gyro sensor for sensing rotation of an electronic device; a memory for storing a plurality of head related transfer functions corresponding to a plurality of directions; and a processor configured to generate a stereo signal by applying, to an audio signal, a first head related transfer function corresponding to a first direction, generate a stereo signal by applying, to the audio signal, a second head related transfer function corresponding to a third direction symmetric to a second direction with reference to the first direction when the electronic device rotates from the first direction to the second direction, and generate a stereo signal by applying the first head related transfer function to the audio signal when a pre-designated time elapses after the electronic device rotates from the first direction to the second direction.

Abstract: An electronic device includes a first microphone that receives a sound generated for a specific time period, from the outside, a second microphone, which is disposed at a location spaced apart from the first microphone and which receives the sound, an audio converter comprising audio converting circuitry, and a processor electrically connected with the first microphone, the second microphone, and the audio converter. The processor is configured to convert the sound obtained from the first microphone, into a first signal and to convert the sound obtained from the second microphone, into a second signal, using the audio converter, and to determine the sound, which is generated for the specific time period, as a voice or a noise based on a frequency-related correlation between the first signal and the second signal.

Abstract: An electronic device is provided. The electronic device includes a plurality of microphones, a memory configured to store a first specified time set to form a beam in a first direction using the plurality of microphones, and a processor connected to the plurality of microphones and configured to receive a sound using the plurality of microphones, determine a direction corresponding to the received sound, and if the direction is equivalent to a second direction, associate a second specified time to the received sound as if a beam is formed in the second direction using the plurality of microphones.

Abstract: A method, device, a non-transitory computer-readable recording medium for controlling a voice signal by an electronic device including a first microphone, a second microphone, a communication interface, and a processor are provided. The method includes acquiring a first voice signal by using the first microphone; acquiring a second voice signal by using the second microphone; confirming a telephone call mode for performing, by the electronic device, a telephone call with an external electronic device; adjusting a first output attribute corresponding to the first voice signal or a second output attribute corresponding to the second voice signal, based on the telephone call mode; and transmitting the adjusted first voice signal or the adjusted second voice signal to the external electronic device by using the communication interface.

Abstract: An electronic device is provided. The electronic includes a camera module and a processor configured to capture at least one image of an object using the camera module, obtain a sound using a microphone operably connected to the processor when the at least one image is captured, determine whether the sound is related to the object, when the sound is determined to be unrelated to the object, change at least one attribute of the sound and store the changed at least one attribute of the sound.

Abstract: An electronic device includes a first microphone that receives a sound generated for a specific time period, from the outside, a second microphone, which is disposed at a location spaced apart from the first microphone and which receives the sound, an audio converter comprising audio converting circuitry, and a processor electrically connected with the first microphone, the second microphone, and the audio converter. The processor is configured to convert the sound obtained from the first microphone, into a first signal and to convert the sound obtained from the second microphone, into a second signal, using the audio converter, and to determine the sound, which is generated for the specific time period, as a voice or a noise based on a frequency-related correlation between the first signal and the second signal.

Abstract: A method, device, a non-transitory computer-readable recording medium for controlling a voice signal by an electronic device including a first microphone, a second microphone, a communication interface, and a processor are provided. The method includes acquiring a first voice signal by using the first microphone; acquiring a second voice signal by using the second microphone; confirming a telephone call mode for performing, by the electronic device, a telephone call with an external electronic device; adjusting a first output attribute corresponding to the first voice signal or a second output attribute corresponding to the second voice signal, based on the telephone call mode; and transmitting the adjusted first voice signal or the adjusted second voice signal to the external electronic device by using the communication interface.

Abstract: An electronic device is provided. The electronic device includes a reception unit configured to receive an audio signal, a bandwidth change unit configured to gradually change a bandwidth of the received audio signal from a first bandwidth to a second bandwidth during a preset time, when the received audio signal is changed, and an audio output unit configured to output the received audio signal.

Abstract: An electronic device is provided. The electronic includes a camera module and a processor configured to capture at least one image of an object using the camera module, obtain a sound using a microphone operably connected to the processor when the at least one image is captured, determine whether the sound is related to the object, when the sound is determined to be unrelated to the object, change at least one attribute of the sound and store the changed at least one attribute of the sound.

Abstract: An electronic device is provided. The electronic device includes a plurality of microphones, a memory configured to store a first specified time set to form a beam in a first direction using the plurality of microphones, and a processor connected to the plurality of microphones and configured to receive a sound using the plurality of microphones, determine a direction corresponding to the received sound, and if the direction is equivalent to a second direction, associate a second specified time to the received sound as if a beam is formed in the second direction using the plurality of microphones.

Abstract: An apparatus and method for preventing an acoustic shock of a portable terminal are disclosed. The apparatus includes a transceiver gain determining unit including a table of gain values for sound signals in each of one or more call modes, configured to output a particular gain value corresponding to a particular call mode; a reference value determining unit configured to receive the gain value from the transceiver gain determining unit, monitor a change in the gain value, and determine a predetermined reference energy value based on the change in the gain value; and an output level adjusting unit configured to receive an input signal, compare the input signal with the predetermined reference energy value, and adjust the level of the input signal to output an output signal.

Abstract: An electronic device is provided. The electronic device includes a reception unit configured to receive an audio signal, a bandwidth change unit configured to gradually change a bandwidth of the received audio signal from a first bandwidth to a second bandwidth during a preset time, when the received audio signal is changed, and an audio output unit configured to output the received audio signal.

Abstract: A method of removing a signal from among received signals, the method including: filtering the received signals; detecting a time band of the filtered received signals where an energy value of the filtered received signals exceeds a reference energy value; and applying a gain value to one or more received signals, from among the received signals, in the detected time band.

Abstract: An apparatus and method are provided to output a received call with a volume adjusted to a reference level range in the etiquette call mode. In the method for providing the etiquette call mode of a mobile device, the apparatus determines whether the etiquette call mode is activated in a call mode. When the etiquette call mode is activated, the apparatus establishes a transmission gain to a given gain value and also establishes a reception gain to a specific gain value corresponding to a minimum receiving volume level. Then the apparatus amplifies a received call by means of the established reception gain, adjusts a volume of the amplified received call to a given reference level range, and outputs the adjusted received call through a speaker.

Abstract: A method of removing a signal from among received signals, the method including: filtering the received signals; detecting a time band of the filtered received signals where an energy value of the filtered received signals exceeds a reference energy value; and applying a gain value to one or more received signals, from among the received signals, in the detected time band.