182results about How to "Hearing protection" patented technology

An ear terminal includes a sealing section arranged for use in the ear meatus of a human, with an inner microphone having a sound inlet for being directed into the meatus and an electronic unit including filtering elements coupled to the inner microphone for filtering the signal from the inner microphone, the filtering elements being programmable to transform the signals based on the sounds received in the ear by the inner microphone into sounds having essentially the characteristics of spoken sounds of the wearer of the ear terminal.

The provided protection method for people ears comprises: monitoring the transient pressure of sound signal from earphone and the sum pressure in a period, comparing the sum with a safe threshold stored in a master controller, and feeding result back to the master controller. This invention is simple and low cost, and can provide well protection effect on ears.

The invention discloses a headset communication method under a strong-noise environment and a headset. The method comprises: using earplugs to reduce medium and high frequency noises entering an ear canal, using an external connection cavity in parallel connection with the ear canal to divert medium and low frequency noises; using an internal microphone to pick up the sound in the ear canal and an environmental noise signal entering the ear canal, using an external microphone to pick up the environmental noise signal, and taking the external microphone signal as reference signals to eliminate the noise element in the internal microphone signal and remain the voice element to obtain transmitting terminal signals of the headset; using sound dynamic compression technology to cut down and compensate the signals picked up by the external microphone in terms of sound pressure level such that the sound pressure range is compressed to a range acceptable by human ears and the signals picked up by the external microphone and the receiving terminal signal received by the headset are broadcast together through a receiver of the headset. By means of the technical scheme of the present invention, the functions of protecting hearing, enhancing voice and monitoring a three-dimensional environment can be achieved comprehensively under strong-noise environments.

The invention discloses an automatic volume control device for a communication receiving terminal of a mobile telephone, comprising a watch receiver and an ambient noise collecting module, a volume control stopwatch module and a watch receiver automatic volume control module which are used for regulating the volume, wherein, the ambient noise collecting module is used for inputting the collected ambient noise decibels into the volume control stopwatch module; the volume control stopwatch module is used for finding out the output volume amplified gain value corresponding to the input ambient noise decibels in a stopwatch, therefore, the watch receiver automatic volume control module can automatically regulate the mobile telephone receiving terminal volume to the watch receiver according to the amplified gain value.

An ultra thin ear plug enables sound protection to be conveniently carried inside a wallet. The ear plug is made of a slow-recovery thin foam strip. The user rolls the strip into a cylinder, compresses the cylinder and inserts the compressed foam cylinder into the ear canal. The foam strip can incorporate a pressure sensitive adhesive on one surface so that the ear plug retains the cylindrical shape after being rolled up. Tapered ends can assist sealing by minimizing the existence of an air gap at the center of the cylinder and on the ear canal. A flexible envelope about 0.008 inch thick and of credit card dimensions can provide packaging for two or more ear plugs and can provide a large surface area for promotional advertising. Total thickness of the packaged ear plugs can be thinner than 0.050 inch or the thickness of a credit card.

The invention discloses a volume self-adaption control method and a volume self-adaption control system. The volume self-adaption control method includes that when a user performs volume adjustment on home entertainment equipment, volume data of a mobile feedback terminal in a current location are acquired through the mobile feedback terminal, and a home entertainment management center learns the acquired volume data to acquire the best volume at different periods and stores the best volume in a data storage module; when the user switches on the home entertainment equipment or switches information sources, the home entertainment management center control the mobile feedback terminal to acquire the volume data in the current location and acquire the best volume at the current period from the data storage module; the volume of the home entertainment equipment is adjusted to enable the acquired volume data to reach the best volume at the current period.

The invention discloses a loudspeaker, which comprises a shell assembly, a diaphragm assembly and an upper cover. The upper cover is arranged above the diaphragm assembly; the upper cover and the diaphragm assembly are fixedly arranged inside an upper edge step of the shell; and the shell assembly comprises an upper edge step of the shell, a magnet yoke, a magnet, a magnetic conducting plate and an elastic structure which connects the upper edge step of the shell and the magnet yoke into a whole, wherein the magnet yoke has a groove structure; the magnet is arranged inside the groove; and the magnetic conducting plate is arranged above the magnet. The diaphragm assembly comprises an elastic sheet, a vibrating diaphragm and a coil, wherein the vibrating diaphragm is connected with an annular structure of the elastic sheet; and the coil is arranged at a curved surface junction of the vibrating diaphragm and is arranged inside the magnet yoke. Due to the arrangement of the elastic structure, the loudspeaker has the bone conduction characteristic, fulfills the aims of protecting the hearing of a user and producing perfect sound, and also has the advantages of simple and convenient manufacturing technology, high compatibility with conventional products, and easy replacement.

The invention provides a noise eliminating method based on intelligent home furnishing and a system thereof. The method comprises the following steps: (1) collecting all audio information in a residential environment, (2) classifying the collected audio information according to the frequency and displaying the information to a user, (3) receiving a shielding command of the user and setting a type selected by the user as audio needed to be shielded, and (4) generating an audio signal whose phase is opposite to that of the audio which is needed to be shielded and playing the audio signal to neutralize environmental noise. According to the method and the system, a user selection function is added on the basis of active noise reduction, thus the shielding of natural sound and alarm sound can be prevented, and the healthy life of people can be ensured to a certain extent.

The invention discloses a method for controlling sound playing. The method comprises: step 1, when detecting that sounds are played, acquiring external noises; step 2, judging whether the external noises acquired by the step 1 exceed the highest threshold value or not; if so, stopping playing the sounds; otherwise, repeatedly executing the step 1; step 3, when detecting that the sounds are not played, acquiring the external noises again; step 4, judging whether the external noises acquired by the step 3 are lower than a lowest threshold value or not; if so, continually playing the sounds and stopping acquiring the external noises; otherwise, repeating the step 3. According to the method for controlling the sound playing, the external noises are collected and the amplitude of the noises is judged to control the sound playing or stopping, so that the hearing can be effectively protected and the application prospect is good.

The invention discloses a bathroom anti-skid ceramic tile equally-dividing cutting device, comprising a base, a dual-axle motor, a cutting wheel, a left clamping jaw and a right clamping jaw. Connecting shafts are connected to output shafts on both ends of the dual-axle motor through shaft couplings. A wire winding wheel is fixedly mounted on each connecting shaft. The wire winding wheels are wound with pull wires. A lifting plate is connected with the other ends of the pull wires. A first screw rod is provided with a threaded sliding block in a threaded mode. The threaded sliding block is further arranged on the first screw rod in a sliding mode. A motor frame is fixedly arranged on the lower side of the threaded sliding block through bolts. A cutting motor is fixedly arranged on the rearside of the motor frame. An output shaft of the cutting motor is provided with the cutting wheel in an interference fit mode. Moving up and down of the lifting plate is realized, so that the cuttingwheel on the cutting motor is driven indirectly to go down and anti-skid ceramic tiles are subjected to equally-dividing cutting, and equally-dividing cutting of the anti-skid ceramic tiles with different thicknesses is achieved.

The invention discloses an acoustic signal processing system for a mobile portable device and a processing method thereof. The system adopts a microphone on the existing mobile portable device to collect acoustic signals on the periphery of the existing mobile device and adopts an operational unit to compute various acoustic property indexes in a present environment, displays various analysis results and patterns through a display, and gives suggestions for users according to analysis results. If the mobile portable device is provided with a communication network, the system can also transmitthe analysis results and the azimuth position of the mobile portable device to a server, and the server can predict and draw an acoustic distribution diagram in a larger zone through data fed back from all users and a geographic information system, and feed back summarized results to all the users, thereby realizing real-time monitoring, analysis and early warning on noise in a large zone.

The invention relates to an audio generation method, an audio playing method, an audio receiving method, an audio generation device, an audio playing device, an audio receiving device and an audio transmission system. The receiving method comprises the steps of: generating an identification code uniquely corresponding to an audio stream to be coded; according to the duration corresponding to the audio stream, generating continuous time coding sequences; combining the identification code, the time coding sequences and a corresponding lead code, so that a corresponding data packet is formed; coding the formed data packet, so that an audio sequence is obtained; modulating the audio sequence corresponding to the audio stream obtained by coding, and generating a corresponding audio file; and sending the generated audio file to the corresponding audio playing device. By adoption of the scheme, the transmission speed of the audio stream can be increased while the identification success rate is compatible.

The invention relates to a method for playing an audio file. The method for playing the audio file comprises the steps that the audio file is scanned so that a volume gain value can be obtained and the gain value can be written in the audio file; the gain value stored in the audio file is read; the volume output when the audio file is played is adjusted according to the gain value; the audio file is output. According to the method for playing the audio file, the audio file is scanned, so that the volume gain value of the audio file is obtained, the volume output when following different audio files are played is unified, impact, caused by volume change generated when different audio files are switched, on a user is reduced, and the hearing of the user is protected. In addition, the invention further provides a device for playing the audio file.