40results about How to "Hear clearly" patented technology

The invention provides an adjusting method of an output audio and a system of the output audio. The adjusting method of the output audio comprises the following steps: obtaining the frequency of the current environmental sound and the frequency of the current output audio; judging whether the difference value of the frequency of the output audio and the frequency of the environmental sound is smaller than a preset threshold; and improving the frequency of the output audio when the difference value of the frequency of the output audio and the frequency of the environmental sound is smaller than the preset threshold. The adjusting method of the output audio and the system of the output audio have the advantages of being capable of automatically adjusting the output audio frequency according to environmental noise, enabling a user to clearly hearing the content of the output audio frequency as much as possible in various using environments, and being free of manually adjusting audio output in the process of audio / video playing.

The invention discloses an information processing method and electronic equipment. The electronic equipment is provided with a sound collection unit, and in the process that talking connection is established between first electronic equipment and second electronic equipment, at a first moment, first voice data with a first volume value as the volume value are obtained through the sound collection unit, wherein the first voice data correspond to a first user operating the first electronic equipment; whether the first volume value meets a preset condition or not is judged; when the first volume value meets the preset condition, a first control instruction which is used for improving the output volume of a second voice output unit of the second electronic equipment is generated and sent to the second electronic equipment.

The invention belongs to the technical field of public broadcast amplification, in particular to a multi-channel sound amplification system for adjusting the volume of a loudspeaker. The system comprises a plurality of sound amplification subsystems, each sound amplification subsystem corresponds to one channel, and each sound amplification subsystem performs echo cancellation by using the acquired sound signals and the sound source signals in all channels to obtain error signals. According to the obtained error signals, the noise sound pressure level of the current environment is obtained, the volume value of the loudspeaker in the sound amplification subsystem is calculated in combination with a mapping function, and the corresponding volume gain value of the loudspeaker at the current moment is obtained. By multiplying the sound signal to be played picked up from the sound amplification subsystem by the obtained loudspeaker volume gain value at the current moment, the processed sound source signal is obtained, and is played and amplified by the loudspeaker in the sound amplification subsystem.

The invention provides a flat panel loudspeaker uniform sound field distribution system. The system comprises a plurality of flat panel loudspeakers uniformly distributed and arranged in a loudspeakerusage environment and sound recognition devices used by being matched with the flat panel loudspeakers, each flat panel loudspeaker can provide a quantitative space volume sound field formed by spaceplane waves, and after the quantitative space volume sound fields formed after the plurality of flat panel loudspeakers are uniformly distributed and arranged are superposed, the space in the loudspeaker usage environment is completely covered by the sound fields, wherein the flat panel loudspeakers are arranged on lamps arranged in the loudspeaker usage environment. According to the system, thesound fields can be uniformly distributed in the space in the loudspeaker usage environment, it is guaranteed that all users located at different locations in the loudspeaker usage environment can hear sounds with the same-size volume, and particularly when the system is applied to teaching or a large conference room, fair teaching can be guaranteed, or it can be guaranteed that all conference participators can completely and clearly hear conference content.

The invention provides a voice call method and a mobile terminal. The method comprises the steps that whether the mobile network bandwidth value is within a first preset bandwidth value range is judged under the call state; if the bandwidth value is within the first preset bandwidth value range, the mobile network sampling signal bandwidth value is adjusted to a second preset bandwidth value from a first preset bandwidth value, and voice signals are acquired, wherein the first preset bandwidth value is less than the second preset bandwidth value; voice enhancement processing is performed on the acquired voice signals so as to obtain the processed voice signals; and the processed voice signals are resampled according to the first preset bandwidth value and transmitted to opposite end equipment through the mobile network. With application of the voice call scheme, the call receiver is ensured to clearly hear the content of the call even the caller, i.e. the user, makes the call in a low voice so that the high-quality low voice call service can be provided for the user.

The invention relates to a charging device. The charging device includes a housing, a battery assembly, a clamping assembly and an acoustics assembly; the housing is provided with slide grooves, a USB interface, a charging plug, a sound broadcasting chamber and a plurality of sound broadcasting openings; the battery assembly is arranged in the housing; the clamping assembly comprises a limiting plate, an adjustment block and an elastic component; the acoustics assembly comprises a loudspeaker and a seat body; the seat body is accommodated in the sound broadcasting chamber; the loudspeaker is connected with the seat body; and the output end of the loudspeaker faces the sound broadcasting openings. According to the charging device, a mobile terminal is arranged in a placement area and is in plugging connection with the charging plug, the adjustment block is slidably connected with the slide grooves through sliding blocks, so that the area of the placement area can be adjusted, and therefore, the size of the mobile terminal is not limited, and therefore, the expansibility and practicability of the mobile terminal can be improved greatly; and the volume of sound outputted by the mobile terminal can be amplified through the loudspeaker, and a user can clearly hear the sound outputted by the mobile terminal in an open or noisy environment.

An audio output adjustment method and system thereof, the method comprising the following steps: acquiring the frequency of a current environmental sound and the frequency of a current audio output (S101); determining whether the difference between the frequencies of the audio output and the environmental sound is less than a preset threshold (S102); and if yes, then increasing the frequency of the audio output (S103). The audio output adjustment method and system thereof can automatically adjust an audio output according to environmental noise, such that a user can listen to the content of the audio output as clearly as possible in various kinds of environments without manually adjusting the audio output during audio / video play.

The invention discloses an earphone and a feedback noise reduction method and device, and belongs to the technical field of sound processing. The earphone comprises a microphone module, a loudspeaker module, a signal processing module and a noise reduction module; the signal processing module is connected with the microphone module and the noise reduction module, and the noise reduction module is connected with the loudspeaker module; the microphone module transmits an obtained audio signal in an ear canal to the signal processing module, the signal processing module obtains an original electric signal corresponding to the signal sound signal and obtains a noise signal according to the original electric signal corresponding to the signal sound signal and the received audio signal, and the signal processing module transmits the noise signal to the noise reduction module; and the noise reduction module obtains a reverse noise signal according to the noise signal and inputs the reverse noise signal to the loudspeaker module.

The invention provides a tactical earphone control method and the tactical earphone. The tactical earphone can be switched in the first mode, the second mode and the third mode; the method comprises: a feed-forward microphone collects ambient sound; In the case of , the processor processes the first noise in the ambient sound to generate the first reverse noise which has the same frequency spectrum as the first noise and the opposite phase, and the loudspeaker plays the first reverse noise; when the tactical earphone is in the second In the case of the first mode, the processor separates the sound of the human voice frequency band from the ambient sound, and the speaker plays the sound of the human voice frequency band; when the tactical headset is in the third mode, the processor amplifies the environmental sound and plays it through the speaker. The present invention enables the tactical earphone to have the function of reducing noise, thereby enabling individual soldiers to hear instructions more easily in a combat environment with more noise.

The invention discloses an earphone environmental sound monitoring method and the earphone. The method includes: in the listening mode, acquiring an environmental sound signal; extracting a voice signal from the environmental sound signal; outputting the voice signal to an earphone for playback; and / or removing the voice from the environmental sound signal signal to obtain a noise signal; noise reduction processing is performed on the noise signal to generate a noise reduction signal and output it to the earphone for playback.

The invention belongs to the technical field of public broadcast amplification, in particular to a multi-channel sound amplification system for adjusting the volume of a loudspeaker. The system comprises a plurality of sound amplification subsystems, each sound amplification subsystem corresponds to one channel, and each sound amplification subsystem performs echo cancellation by using the acquired sound signals and the sound source signals in all channels to obtain error signals. According to the obtained error signals, the noise sound pressure level of the current environment is obtained, the volume value of the loudspeaker in the sound amplification subsystem is calculated in combination with a mapping function, and the corresponding volume gain value of the loudspeaker at the current moment is obtained. By multiplying the sound signal to be played picked up from the sound amplification subsystem by the obtained loudspeaker volume gain value at the current moment, the processed sound source signal is obtained, and is played and amplified by the loudspeaker in the sound amplification subsystem.

The invention discloses a welcome robot, comprising a robot body, a storage seat is arranged at the bottom of the robot body, a first microphone room is arranged on both sides of the storage seat, and both sides of the first microphone room are A connecting plate is provided, the bottom end of the connecting plate is connected with an extruding plate, both sides of the inside of the first microphone room are provided with chutes, and a support rod is connected between the extruding plate and the inside of the chute, and the A ball is provided at one end of the support rod inside the chute, a slide bar is inserted between the two ends of the support bar, a first spring is sleeved on the surface of the slide bar, and a placement plate is provided between the two extruding plates. , the bottom of the placement plate is provided with a pressure rod. The present invention is provided with a wireless microphone and a first microphone room, which facilitates the use of the microphone to speak to the surroundings, so that guests can hear their own words clearly, and the wireless microphone is pressed against the wireless microphone through the first microphone room to prevent the wireless microphone from being damaged by collision .

The invention relates to the technical field of broadcasting, in particular to an earphone. The earphone is provided with a microphone, a Processor and a loudspeaker; a computer readable storage medium is stored in the earphone; When a computer program in the computer readable storage medium is operated by the processor, a method for broadcasting to an ear disease patient is realized. According tothe method, the insensitive frequency band of the ear disease patient in the audio frequency can be compressed or eliminated to show the audio frequency of other frequency bands, so that the ear disease patient can listen to the audio frequency more clearly, the ear disease patient is prevented from feeling'blank points' in the audio frequency due to interference of the insensitive frequency band, and the listening experience of the ear disease patient can be improved.

The invention provides a voice communication method and a mobile terminal. The method comprises the steps that after a microphone in the mobile terminal is started, the current communication state of the mobile terminal is judged; if the current communication state is a voice answering state, the uplink amplification gain value of an acoustical signal is adjusted to a first preset gain value; if the current communication state is a voice sending state, the uplink amplification gain value of the acoustical signal is adjusted to a second preset gain value, wherein the first preset gain value is smaller than the second preset gain value. According to the voice communication scheme, high-quality voice communication services can be provided for a user.

The invention discloses an information processing method and an electronic device. The electronic device has a sound collection unit. The sound collection unit acquires first voice data with a volume value of a first volume value, wherein the first voice data corresponds to the first user operating the first electronic device; judging whether the first volume value satisfies a certain Preset condition; when the first volume value satisfies the preset condition, generate and send to the second electronic device a first signal for increasing the output volume of the second sound output unit of the second electronic device Control instruction.

The invention discloses a speech intelligibility algorithm under noise and a train audio playback method and system. The method includes: S101. Acquire noise audio collected by pickups pre-arranged in each car of the train; Audio stream, and do audio stream preprocessing; S102, analyze the noise audio based on the speech intelligibility algorithm under noise as claimed in claim 1; S103, adjust the energy of the speech signal in different frequency bands of the audio stream based on the analysis result of S102 distribution to obtain the audio stream after re-energy equalization; S104, each compartment collects noise audio, and executes S102-103 correspondingly; S105, each audio stream after re-energy equalization establishes a one-to-one correspondence with each compartment. The present application has the effect of enhancing the effect of voice broadcasting in the carriage and improving the experience of passengers.