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40results about How to "Hear clearly" patented technology
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Adjusting method of output audio and system thereof
ActiveCN103152668AHigh frequencyHear clearlyStereophonic systemsTransducer circuitsEnvironmental noiseEnvironmental sounds
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.
Owner:JIANGSU AEROSPACE DAWEI TECH CO LTD
Information control method and electronic device
ActiveCN106303816AAutomatically adjust relative volumeHear clearlyTransducer circuitsInformation controlElectric equipment
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.
Owner:LENOVO (BEIJING) CO LTD
Information processing method and electronic equipment
ActiveCN103916511AEasy to useImprove experienceSubstation speech amplifiersInformation processingComputer hardware
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.
Owner:LENOVO (BEIJING) LTD
Voice directional output method and mobile terminal
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.
Owner:VIVO MOBILE COMM CO LTD
Volume adjustment method, mobile terminal and computer readable memory medium
InactiveCN108650399AHear clearlySubstation speech amplifiersDevices with sensorComputer engineeringComputer terminal
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.
Owner:NUBIA TECHNOLOGY CO LTD
Audio playing method and device
Owner:ALIBABA (CHINA) CO LTD
Multi-channel sound amplification system and method for adjusting volume of loudspeaker
ActiveCN110830901AHear clearlySound reinforcement system simplifiedPublic address systemsSound sourcesNoise
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.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI
Computer readable memory medium and output volume self-adjusting broadcaster
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.
Owner:广东思派康电子科技有限公司
Wireless gas detection and early warning cloud monitoring system
PendingCN109917078AHear clearlyPrecious responseMaterial analysis by optical meansTransmissionWireless mesh networkData information
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.
Owner:青岛荣轩达智能科技有限公司
Voice adjusting method and system, electronic equipment and computer readable storage medium
InactiveCN112235462ALoud noiseThe downlink voice is loudTwo-way loud-speaking telephone systemsSubstation equipmentNoiseEngineering
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.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Flat panel loudspeaker uniform sound field distribution system
InactiveCN107864428AFully hearComplete intelligibilityFrequency/directions obtaining arrangementsDistribution systemEngineering
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.
Owner:SUZHOU BERNARD AUDIO TECH CO LTD
Voice call method and mobile terminal
ActiveCN107087069AHear clearlyQuality improvementSpeech analysisSubstation equipmentTelecommunicationsComputer terminal
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.
Owner:VIVO MOBILE COMM CO LTD
Method, device and equipment for determining pickup distance of wireless microphone and readable storage medium
ActiveCN114679647AHear clearlyAdjustable spacingMouthpiece/microphone attachmentsTransducer circuitsWireless microphoneImaging processing
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.
Owner:杭州艾力特数字科技有限公司
Bi-crystal piezoelectric ceramic receiver used for mobile phone and tablet computer
InactiveCN103686512ACavity space is smallSave installation spaceEarpiece/earphone attachmentsCeramicFlat panel
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.
Owner:ZHANGJIAGANG YUTONG ELECTRONICS TECH
Voice definition algorithm under noise and train audio playing method and system thereof
ActiveCN114550740AAvoid high sound pressure levelsHear clearlySustainable transportationSpeech analysisEqualization (audio)Noise
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.
Owner:TIANJIN BEIHAI COMM TECH
Charging device
InactiveCN106655357AUnlimited sizeIncrease volumeBatteries circuit arrangementsPublic address systemsElastic componentEngineering
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.
Owner:惠州市格农科技有限公司
Adjusting method of output audio and system thereof
ActiveCN103152668BHigh frequencyHear clearlyStereophonic systemsTransducer circuitsEnvironmental noiseEnvironmental sounds
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.
Owner:JIANGSU AEROSPACE DAWEI TECH CO LTD
Vehicle-mounted communication system
InactiveCN106375559AActs as a headphone cableSupport connectionSubstation equipmentWireless commuication servicesComputer hardwareEnvironmental noise
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.
Owner:姜俊
Earphone and feedback noise reduction method and device
PendingCN113596661AHear clearlyNo signal tone signal attenuationHearing device active noise cancellationSound producing devicesNoiseHeadphones
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.
Owner:VIVO MOBILE COMM CO LTD
A kind of tactical earphone control method and tactical earphone
ActiveCN111372155BEquipped with noise reduction functionPerceived effect is goodEarpiece/earphone noise reductionEnvironmental soundsNoise
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.
Owner:BEIJING SANXI ELECTRONICS TECH DEV
Ambient sound monitoring method of earphone and earphone
ActiveCN109218882BHear clearlyImprove monitoring effectMicrophonesEarpiece/earphone mechanical/electrical switchesNoiseEnvironmental sounds
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.
Owner:GEER TECH CO LTD
In-vehicle custom switch control method and system, storage medium and intelligent terminal
PendingCN114783328AEasy to useHear clearlyDigital data information retrievalAudible advertisingComputer hardwareInformation function
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.
Owner:SHANGHAI HONGYAO ELECTRONICS LAB CO LTD
Communication equipment with noise reduction device
PendingCN112648514AImprove the radio effectPrevent reversalStands/trestlesEarpiece/earphone cablesEngineeringHeadphones
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.
Owner:孙弘华
A multi-channel sound reinforcement system and method for adjusting loudspeaker volume
ActiveCN110830901BHear clearlySound reinforcement system simplifiedPublic address systemsSound sourcesNoise
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.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI
a welcome robot
Owner:广东南职院国际学术交流有限公司 +1
Method for broadcasting to ear disease patient, earphone and computer readable storage medium thereof
InactiveCN109862470AHear clearlyEnhance listening experienceTransducer circuitsHeadphonesLoudspeaker
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.
Owner:广东思派康电子科技有限公司
A voice call method and mobile terminal
ActiveCN106686249BThe uplink amplification gain value is reducedHear clearlySubstation equipmentTelecommunicationsVoice communication
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.
Owner:VIVO MOBILE COMM CO LTD
Information processing method and electronic device
ActiveCN103916511BEasy to useImprove experienceSubstation speech amplifiersInformation processingComputer hardware
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.
Owner:LENOVO (BEIJING) LTD
Device and method for eliminating voice communication terminal background noise
InactiveCN100337270CBackground noise cancellationReduce distractionsSpeech analysisTransmissionAdaptive filterVoice communication
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.
Owner:HUAWEI TECH CO LTD
Speech intelligibility algorithm under noise and its train audio playback method and system
ActiveCN114550740BAvoid high sound pressure levelsHear clearlySustainable transportationSpeech analysisEqualization (audio)Noise
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.
Owner:TIANJIN BEIHAI COMM TECH
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