58 results about "Audio sensing" patented technology

An audio sensing device having a resonator array and a method of acquiring frequency information using the audio sensing device are provided. The audio sensing device includes a substrate having a cavity formed therein, a membrane provided on the substrate and covering the cavity, and a plurality of resonators provided on the membrane and respectively sensing sound frequencies of different frequency bands.

An electronic device having a unique audio sensing method that senses the event of no audio for a predetermined period of time. The sensed information is used by a microprocessor to bring the device into a low-power mode. The same method may be used to bring a device into active mode from a low-power mode.

An implantable device and corresponding method for suppression of tinnitus are described. An implantable signal processing module develops a stimulation signal for application to audio sensing tissue of the user. The signal processing module includes a tinnitus suppression mode in which the stimulation signal is unrelated to environmental sound near the user.

The invention belongs to the fields of multimedia information processing and audio analyzing, and relates to a method for adjusting self-adaptive audio sensing loudness, which comprises that: the current audio file is filtered at the same loudness; the root mean square (RMS) energy value of an audio signal is calculated according to the special window size of the audio signal, and accordingly, the RMS energy sequence of the whole audio file is obtained; the RMS energy sequence is converted into a decibel value sequence, and the decibel value sequence is sorted in an ascending way; a difference method is utilized to calculate the second derivative of the decibel value sequence which is sorted in the ascending way, and a locale window average method is utilized to smooth the second derivative sequence; when the sequence is overlong, the original sequence is sub sampled; and the optimal stable decibel section of the current audio is searched on the smoothed second derivative sequence, and the average decibel of the section is calculated to be used as the optimal stable loudness of the current audio file. The loudness adjustment is carried out on the audio by adopting a linear mappingmethod. The method has the advantages of quick operating speed, accurate correction, satisfaction of acoustic sensing, stable performance, lossless audio frequency and tone quality and the like.

A method for processing a multichannel audio signal may be configured to control the amplitude of one channel of the signal relative to another based on the levels of the two channels. One such example uses a bias factor, which is based on a standard orientation of an audio sensing device relative to a directional acoustic information source, for amplitude control of information segments of the signal.

A system (1) is described which is suited for suppressing audio distortion. The system comprises echo cancelling means g1, g2 coupled between an audio output (4) and a distorted desired audio sensing microphone array (3), and a filter arrangement (7) coupled to the echo cancelling means g1, g2 and/or the microphone array (3). The filter arrangements' coefficients represent reverberation distortion in the desired audio sensed by the microphone array (3).

The invention discloses a heating system using solar energy and heat stored by fused salt. A large-area solar heat collector and a high-capacity heat preservation water storage tank are used for storing solar heat energy; by the adoption of the characteristic that salt fusing liquid is high in heat storage density within a unit volume and the full use of valley low-price power at night for storing the heat energy, the heating system adopts a static salt fusing tank and an electric heater to directly heat the salt fusing liquid in the salt fusing liquid; by virtue of a method for indirect heat exchange through a heat insulation layer, the salt fusing liquid is more convenient and safer to heat, and the manufacturing cost is extremely low; a super-audio sensing heating unit is used as an auxiliary heater for heating; the super-audio sensing heating unit automatically adjusts the heating power according to the water temperature, so that the heating speed is high, and the heat efficiency is high. The heating system using solar energy and heat stored by the fused salt makes use of the solar energy, adopts the fused salt to store the valley low-price electric energy and adopts a high-efficiency and energy-saving super-audio sensing heating technology, so that the heating system is environment-friendly and energy-saving, lowers the heating expenses and benefits the nation and the people, the heat energy is comprehensively used, and the heating system is safer and more reliable.

The invention discloses a mobile terminal comprising a first short-range wireless communication module used for receiving an environment noise signal sent by a noise detection device via a second short-range wireless communication module; a denoising signal generating module used for generating an audio denoising signal according to the environmental noise signal; and an audio playing module used for playing the audio denoising signal. The invention also discloses a denoising device comprising the noise detection device and the mobile terminal, wherein the noise audio detection device comprises an audio sensing module used for detecting environmental noise and transmitting the environmental noise to the second short-range wireless communication module; and the second short-range wireless communication module is used for sending the environmental noise signal to the mobile terminal. The invention also discloses a corresponding denoising method. By using the scheme of the mobile terminal, the denoising device and the denoising method thereof provided by the invention, noise close to the terminal can be reduced or counteracted, and the effect of denoising actively is achieved.

The invention discloses a bionic sonar two-dimensional experience map drawing method, a storage medium and equipment. The method includes the following steps: constructing a bionic sonar template according to an echo signal collected by a bionic sonar system, and generating a corresponding local scene cell; updating a position and attitude sensing cell according to information collected by a gyroscope and an accelerometer; constructing an audio sensing Hash template according to the echo signal collected by the bionic sonar system; using the bionic sonar template and the audio sensing Hash template to correct the position and attitude sensing cell; and drawing and correcting a bionic sonar two-dimensional experience map according to the relationship of the audio sensing Hash template, thelocal scene cell and the position and attitude sensing cell. The accuracy of closed loop detection can be improved, and the distortion of two-dimensional experience maps can be improved.

The invention relates to a mosquito and insect prevention iron wire window system, which comprises a power supply, wherein the power supply is directly connected with an electric window, the electric window is respectively connected with a remote control system, an audio frequency sensor and a regulation and control system, the remote control system comprises a remote controller and a remote control receiver, the audio frequency sensor can start the electric window through the sound frequency of mosquitoes and insects, and the regulation and control system is simultaneously connected with the remote control system and the audio frequency sensor. The mosquitoes and the insects can be effectively prevented from entering a room through the sound frequency of the mosquitoes and the insects, simultaneously, the selective control can be carried out through the arrangement of the remote control device, in addition, any adverse influence cannot be caused, the indoor cleanness can be effectively ensured, and the mosquito and insect prevention iron wire window system has the advantages that the environment is protected, the effect is good, and the operation is simple.

A method includes identifying an active state of a headset interface of a device. A signal generated by a microphone of the device is monitored to identify an alert trigger not initiated by a user of the device. Operation of the headset interface is interrupted responsive to identifying the alert trigger. A device includes a microphone, a headset interface, and a processor coupled to the microphone and the headset interface. The processor is to identify an active state of the headset interface, monitor a signal generated by the microphone to identify an alert trigger not initiated by a user of the device, and interrupt operation of the headset interface responsive to identifying the alert trigger.

An assembly and method for automatic real time enhancement of audio signal on the basis of listening environment and ambience noise, wherein said assembly comprises one or more audio sensing device such as microphone, a computer implemented system further comprising a non-transitory computer-readable storage medium storing instructions and components to analyze and process audio signals; and a method to capture the sound in listening environment using the audio sensors whereby plurality of audio sensors are located at plurality of locations to capture the proximal sound signals and transferring the captured signal to a system, whereby, the instructions stored in memory on execution by the computer analyze and process the sound signals to provide enhanced sound signal which are transferred to plurality of speakers.

The invention discloses a headset detecting device, in particular relates to an improvement of a non-contact headset detecting device structure, which belongs to detecting equipment, and is mainly used for inspecting cheating by a stealth headset or audio sensing equipment in an examination hall. The headset detecting device of the invention is high in sensitivity and simple in structure. The headset detecting device comprises a microprocessor, a frequency-fixed transmitting circuit, an electromagnetic wave transmitting element and a sound wave receiving element, wherein the microprocessor is connected with other components, used for controlling an audio signal output by the frequency-fixed transmitting circuit and makes a judgment according to an electrical signal output by a frequency selection sound control circuit; the output end of the frequency-fixed transmitting circuit is connected with the electromagnetic wave transmitting element to output an audio driving signal under the control of the microprocessor; the electromagnetic wave transmitting element is driven by the driving signal output by the frequency-fixed transmitting circuit to transmit an electromagnetic wave; and the sound wave receiving element is used for receiving a sound wave generated by the stealth headset under the action of an audio electromagnetic wave transmitted by the electromagnetic wave transmitting element.

The invention discloses an orchard guarding service robot which is applied to fruit tree guarding in orchards. The orchard guarding service robot is characterized in that a vision sensing system, an audio sensing system, a distance sensing system and a moving device are included, and the vision sensing system, the audio sensing system, the distance sensing system and the moving device are respectively and independently connected with a data processing module and are in two-way data transmission with the data processing module. The orchard guarding service robot has the advantages that omnibearing and automatic orchard guarding is achieved through the robot, an original manual guarding mode is improved to be a robot automatic guarding mode, harmful effects caused by manual guarding negligence are avoided, orchard guarding efficiency is greatly improved, and orchard safety is guaranteed.

A digital multi-tone audio-sensing controller includes an audio receiver, a signal processor, a driver and a load. The audio receiver receives and outputs an external analog signal and the external analog signal are subject to amplification, frequency-division and digitalization by the signal processor for generating an external digital signal. The driver electrically outputs a driving signal based on the external digital signal. Therefore, multiple loads can be driven in programmable and flexible way.

The invention relates to a mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion. The monitoring system comprises an acquisition node, an analysis node, an upper computer monitoring center and a handheld terminal. The acquisition module comprises a distributed audio sensing node and a vibration sensing node, fuses ventilator working state audio and vibration signals, transmits data to a microprocessor of an analysis node through a wired and wireless heterogeneous communication network, and adopts a WT-CNN-based mine ventilator fault monitoring model to realize rapid processing and analysis of acquired data. The abnormal diagnosis result is uploaded to an upper computer monitoring center through the industrial Ethernet, and an upper computer interface displays the working state characteristic information of the mine ventilator in real time. The working state of the mine ventilator can be monitored in real time, the real-time alarm function is provided, and the fault occurrence rate is reduced.

The invention discloses an intelligent traffic signal lamp control system in the technical field of transportation. The intelligent traffic signal lamp control system comprises a traffic signal lamp module, a camera module, a standby battery module, a circuit protection module, an audio sensing module and a public circuit module, wherein the traffic signal lamp module is used for displaying traffic lamp reminding signals conforming to traffic rules; the camera module is used for shooting the traffic management road surface at regular time; and the standby battery module is used for automatically supplying power to the traffic signal lamp module and the camera module in the case of thunder and lightning. The audio sensing module is used for sensing thunder and lightning, and after thunder and lightning are felt, the circuit of the traffic signal lamp system is automatically disconnected from the public circuit, and the standby battery module is used for providing power output for the traffic signal lamp, so that the power failure of the transmission conductor due to lighting stroke is avoided, and the normal command of the traffic signal lamp is not influenced.