40results about How to "Hear clearly" patented technology

The present invention discloses an information control method and an electronic device. The method comprises the steps of detecting application programs for currently outputting the audio file of the electronic device; when N application programs are detected to currently output the audio file of the electronic device, determining a first application program highest in priority level among all the N application programs, wherein N is an integer larger than or equal to 2; controlling the volume of the currently output audio file of the first application program to be a first volume output value, wherein the first volume output value is larger than the audio volume output values of other output audio files of the electronic device.

The present invention provides a voice directional output method and a mobile terminal. The voice directional output method is applied to the mobile terminal comprising a directional loudspeaker. The method comprises a step of obtaining the output instruction information of the voice information of the mobile terminal, a step of collecting the ear contour image of a user according to the output instruction information, a step of comparing the ear contour image and pre-stored user ear contour image information, and obtaining the position and distance of the ear hole of the user relative to the directional loudspeaker, and a step of allowing the directional loudspeaker to output the voice information according to the position and distance of the ear hole of the user relative to the directional loudspeaker. According to the above scheme, through the directional output of the voice signal of the mobile terminal, when the mobile terminal is not close to a user ear, the user still can hear the voice of an opposite side clearly, due to voice directionality, other people do not hear the voice, and the privacy of the user is protection.

The invention discloses a volume adjustment method. The method comprises the steps of receiving a call request signal; detecting an environment volume value of a first mobile terminal based on the call request signal; judging whether the environment volume value is greater than a first preset volume value or not; and turning up a call volume value of the first mobile terminal if the environment volume value is greater than the first preset volume value, or sending a volume adjustment instruction to at least one second mobile terminal in a preset distance range of the first mobile terminal, wherein the volume adjustment instruction is used for indicating the at least one second mobile terminal to turn down the volume value or turn off the volume. The invention also discloses the mobile terminal and a computer readable memory medium. According to the volume adjustment method provided by the invention, the volume can be automatically adjusted, so a user can hear call content clearly; andthe user does not need to manually adjust the volume, so the convenience is provided for the user.

The invention relates to an audio playing method and device. The method comprises the steps of detecting key information in an audio in a process of playing the audio; and highlighting key informationunder the condition of detecting the key information. According to the method and the device, the key information in the audio is highlighted in the process of playing the audio, so in the process ofplaying the audio, a user can hear the key information in the audio timely and clearly, and the user is prevented from missing interested or important content in the process of listening to the audio.

The invention relates to the technical field of broadcasting and particularly relates to a computer readable memory medium and an output volume self-adjusting broadcaster. According to the broadcaster, a built-in microphone of the broadcaster collects surrounding voices; whether human voices seem to be loud or not in the surrounding voices is judged according to a relationship between the strengthof the human voices in the surrounding voices and a decibel average value; and the output volume of the broadcaster is automatically attenuated according to a judgment result. The human voices are prevented from being covered by the volume of the broadcaster when people chat, whether the voices played by the broadcaster is highlighted or not in the surrounding voices is judged according to the relationship between the strength of the noises in the surrounding voices and the decibel average value, and the output volume of the broadcaster is increased according to the judgment result, so the voices played by the broadcaster can cover the surrounding noises, people can hear relatively clearly, and intelligence is realized.

The invention relates to a wireless gas detection and early warning cloud monitoring system. The system includes a remote server, a cloud network, multiple detection terminals, multiple movable monitoring terminals, and an alarm system; the multiple detection terminals are disposed in a to-be-detected area, and networks with each other for transmitting information through a wireless manner; the detection terminals are in wireless network connection with the movable monitoring terminals, and are used for transmitting information data detected by the detection terminals to the movable monitoringterminals; and the detection terminals and the movable monitoring terminals are connected to the remote server through a cloud network and are used for transmitting the data information to each other. The system can detect a variety of gases and can be operated after an apparatus is unpacked without cumbersome configuration, expensive infrastructure or involvement of a large amount of IT work, the apparatus can be formed into a wireless network in just a few seconds, and valuable time is won for firefighters to rescue on the scene.

The invention discloses a voice adjusting method and system, electronic equipment and a computer readable storage medium, and the method is characterized in that the method comprises the steps: collecting voice information in a call process; detecting the voice information, and if the voice information is noise voice, obtaining noise energy of the noise voice; adjusting voice parameters of downlink voice information received by a downlink communication link according to the noise energy; and playing the adjusted downlink voice information. According to the invention, the method and system canautomatically adapt to the voice quality in different scenes, and the loudness of the downlink language emitted by the equipment changes along with the voice quality in different noise environments, for example, the noise is large, and the loudness of the downlink language is also increased; the noise is low, and the loudness of the downlink language is also reduced; and a proper signal-to-noise ratio is always kept, so that the human ears can clearly hear the semantics of the downlink voice.

The invention provides a wireless microphone pickup distance determination method, device and equipment and a readable storage medium, and relates to the technical field of electronic information, and the method comprises the steps: obtaining first information and second information, the first information comprises at least one frame of historical image information obtained by a camera in a classroom, and the second information comprises at least one frame of historical image information; the second information is historical sound information collected by the wireless microphone; the first information is sent to an image processing module, third information is obtained, and the third information is information of the distance between the wireless microphone and the lips of the wireless microphone user; the second information is sent to a signal-to-noise ratio calculation module to obtain fourth information, and the fourth information is signal-to-noise ratio information of the wireless microphone; and determining the pickup distance of the wireless microphone based on the third information and the fourth information. According to the invention, image recognition and distance conversion are carried out on the historical image, so that the pickup distance of the wireless microphone can be quickly and accurately determined.

The invention discloses a bi-crystal piezoelectric ceramic receiver used for a mobile phone and a tablet computer. The receiver comprises a TP screen. A double-faced adhesive tape is adhered on the internal side surface of the TP screen. A multilayer bi-crystal piezoelectric ceramic sheet is adhered on the double-faced adhesive tape. The multilayer bi-crystal piezoelectric ceramic sheet is connected with a flexible circuit board used for transmitting electrical signals to the multilayer bi-crystal piezoelectric ceramic sheet. The aforementioned bi-crystal piezoelectric ceramic receiver is small in occupied cavity space so that precious installation space in the mobile phone or the tablet computer is greatly saved. Besides, sound-transmitting holes do not need to be arranged on the TP screen so that hole-punching cost of the TP screen is saved, production yield rate of the TP screen is enhanced and waterproof and dustproof performance of the mobile phone or the tablet computer is enhanced. Furthermore, conversation contents of an incoming call can be quite clearly heard only by attaching the TP screen to a jaw part or an ear part in a noisy environment.

The invention discloses a voice definition algorithm under noise and a train audio playing method and system thereof. The method comprises the steps that S101, noise audios collected by sound pickups pre-arranged in all carriages of a train are acquired; receiving an audio stream sent by the vehicle-mounted PIS system, and preprocessing the audio stream; s102, analyzing the noise audio based on the voice definition algorithm under the noise described in the claim 1; s103, adjusting the energy distribution of the voice signal in different frequency bands of the audio stream based on the analysis result of S102, and obtaining the audio stream after energy re-equalization; s104, noise audios are collected by all the carriages respectively, and S102 to 103 are executed correspondingly; and S105, respectively establishing a one-to-one correspondence relationship between each audio stream after re-energy balance and each compartment. The method has the advantages that the voice broadcasting effect in the compartment is improved, and the experience of passengers is improved.

The invention relates to a vehicle-mounted communication system comprising an instant messaging information processing module, a vehicle-mounted Bluetooth module, a voice input module, a voice output module, an external connection module and an information input module; the vehicle-mounted Bluetooth module, the voice input module, the voice processing module, the voice output module, the external connection module and the information input module are connected with the instant messaging information processing module. The vehicle-mounted communication system can be connected to a mobile phone having a Bluetooth function and can also be connected to a mobile phone having no Bluetooth function, thereby expanding the application range, echo cancellation and noise elimination processing is carried out on collected driver answer voice information through the voice processing module so as to ensure that the sound quality of the driver answer voice information transmitted to the mobile phone is clear, therefore the communication quality is improved, the output volume of the voice output module can be automatically adjusted according to the environmental noise, and a telephone card can be inserted in the vehicle-mounted communication system for communication when the mobile phone is powered off.

The invention relates to an in-vehicle custom switch control method and system, a storage medium and an intelligent terminal, and relates to the field of automobile switch technologies, and the method comprises the steps: obtaining the current triggering information of a preset switch; according to trigger information stored in a preset function database, matching the function information with the current trigger information to determine switch function information; switching the switch function according to the function corresponding to the switch function information, and controlling a preset voice broadcast device to broadcast the function corresponding to the switch function information. The in-vehicle switch has the advantage that a driver can conveniently use the in-vehicle switch.

The invention discloses communication equipment with a noise reduction device. The communication equipment comprises a communication equipment main body, a fixing base is fixedly installed on one side of the communication equipment main body, a placing groove is formed in the side, away from the communication equipment main body, of the fixing base, a sound amplification cover is fixedly installed on the side, away from the communication equipment main body, of the fixing base, and a cavity is formed in the fixing base. According to the communication equipment, the design is reasonable, the practicability is good, the position of a microphone can be lowered while an earphone wire is pulled out of a reel, the noise reduction earphone is plugged into an ear so that a user can listen to the speaking of the opposite side more clearly in a noisy environment, the user can conveniently and effectively receive sound by using the microphone when holding the communication equipment main body for speaking, the user can keep the communication equipment main body at a comfortable position for use, the communication equipment is suitable for being used in a noisy environment, the earphone wire can be conveniently wound, and the noise reduction earphone can be conveniently stored in the placing groove for storage and protection.

The present invention discloses a device for eliminating background noise of a voice communication terminal, which includes a Sound Sensor Module, an Adaptive Filter, a Noise Estimating Module and an Adding Module connected successively. The invention also discloses a method for eliminating background noise of a voice communication terminal, which includes: collecting sound signals including the a talker's voice and receiver background noise received by a listener; estimating the receiver background noise signal in the signal collected; reversing the phase of the estimated receiver background noise signal and adding the estimated receiver background noise signal with reversed phase on the talker's voice signal received by the voice communication terminal before playing the added signal for the listener. The device and method can properly counteract the background noise around an earphone, and reduce the interference of background noise to the listener.