96 results about "Loudspeaker" patented technology

Methods and apparatus for executing a lighting program to control a plurality of light emitting diodes (LEDs) in response to at least one characteristic of an audio input. In one embodiment, the audio input is digitally processed to determine the at least one characteristic. In other embodiments, control signals for the LEDs are generated in response to a timer and/or input from a user interface, as well as in response to the at least one characteristic of the audio input. In another embodiment, the control signals for the LEDs are generated by a same computer that processes the audio input to transmit signals to speakers to audibly play the audio input. In a further embodiment, a GUI is provided to assist in authoring the lighting program. In another embodiment, the audio signal is processed before being played back. In a further embodiment, the lighting program anticipates changes in the audio input.

A method and device for voiceprint recognition, include: establishing a first-level Deep Neural Network (DNN) model based on unlabeled speech data, the unlabeled speech data containing no speaker labels and the first-level DNN model specifying a plurality of basic voiceprint features for the unlabeled speech data; obtaining a plurality of high-level voiceprint features by tuning the first-level DNN model based on labeled speech data, the labeled speech data containing speech samples with respective speaker labels, and the tuning producing a second-level DNN model specifying the plurality of high-level voiceprint features; based on the second-level DNN model, registering a respective high-level voiceprint feature sequence for a user based on a registration speech sample received from the user; and performing speaker verification for the user based on the respective high-level voiceprint feature sequence registered for the user.

The speaker system according to the present invention is a speaker system in which a sound is emitted into a closed space from the back surface of a speaker unit, and has characteristic that gas in the closed space is physically adsorbed by a gas adsorber obtained by adding a binder to a porous material including a plurality of grains so as to perform molding. The speaker system according to the present invention is capable of reproducing, even when a small cabinet is used, low frequency sound while suppressing reduction in sound pressure level as compared to a conventional art.

There are provided methods and an apparatus for processing audio signals. According to one aspect of the present invention there is included a method for processing audio signals having the steps of receiving at least one audio signal having at least a center channel signal, a right side channel signal, and a left side channel signal; processing the right and left side channel signals with a first virtualizer processor, thereby creating a right virtualized channel signal and a left virtualized channel signal; processing the center channel signal with a spatial extensor to produce distinct right and left outputs, thereby expanding the center channel with a pseudo-stereo effect; and summing the right and left outputs with the right and left virtualized channel signals to produce at least one modified side channel output.

A voice tube assembly for a loudspeaker comprising a basket, a cone, and a spider includes a first magnet. The first magnet is configured for attachment onto the basket and has a principle axis. A second magnet, the second magnet configured the magnet being coaxial with the first magnet and spaced apart from it. A voice tube of non ferrous material includes a cylindrical sleeve having a first extremity, a second extremity, and a cylinder axis. The cylinder axis is arranged to coincide with the principle axis. A first voice coil of conductive wire is wrapped around the first extremity in operational proximity to the first magnet. A second voice coil of conductive wire is wrapped around the second extremity in operational proximity to the second magnet.

The present invention is directed towards a computer monitor utility assembly to be used with a standard computer monitor. The computer monitor utility assembly includes primarily a universal mount base which is structured and disposed to be removably, yet securely attached to the top surface of the monitor, and to a generally rigid top panel having a width generally equivalent to a width of a screen of the monitor. The top panel is adjustably secured to the mount base in overlying relation atop the monitor and so as to be able to slide forward and backward relative to the mount base, thereby selectively overhanging beyond the front surface of the monitor and providing shade to the monitor screen from light and glare. Further, the improved computer monitor utility assembly includes a utility console. The utility console is structured to effectively and operatively contain a plurality of peripheral articles, such as computer speakers, a microphone or a camera in an operative and modular fashion that permits facilitated expansion or modification of the system capacities. The utility console is secured to the top panel and is concealed by a lip of the front panel so as to provide a concealed and aesthetically pleasing appearance, while still providing necessary accessibility for use of the peripheral components integrated with the utility console.

The invention provides a safety device for a passenger transporting apparatus, and a safety control method thereof. A laser scanning sensor (1a, 1b) is arranged near the exit of the passenger transporting apparatus to detect the movement of the passengers at a plane coordinate through the scanning of the laser scanning sensor. When the moving speed of the passengers is lower than a specified value, a voice prompt for prompting attention is generated by a speech synthesis device (11) and a loudspeaker (12a, 12b); when the jam of the passengers is lasted for a long time, a control inverter installation (8) generates frequency and voltage to reduce the speed of a drive motor (9) or stop the same. Thereby, under the states of direct sunshine by day, sunset shine at dusk, and less light at night, the moving speed of the passengers can be accurately detected to form the safety device.

This invention relates to talking toys (toys with sayings, audible messages, or sounds) and, more particularly, to toys that will be derived from motion pictures (toyetics) and have unlimited ability to talk, make sounds, play music, deliver movie catch phrases or repeat human speech in a toy characters voice or voice of user. This invention embeds Bluetooth speaker(s) inside of toys and then via a smart device; (Apple iPod Touch, iPhone, iPad, Computer) has an application (application is the storage device and can thus store or create unlimited sounds or audible messages) which is a repository for sounds, sayings, music, movie catch phrases etc. When the Bluetooth speaker is paired with the smart device—audible messages, sayings, sounds will be heard over the speaker in stereo. The toy will reproduce audible messages, sayings or sounds in response to user selection on the application.

The invention relates to the field of strong directivity parametric array loudspeaker. In the loudspeaker, audio signal and ultrasonic carrier signal are modulated, and by utilizing the strong directivity of the ultrasonic carrier, the audio signal beam with strong directivity is obtained. In particular, the invention relates to a parametric array loudspeaker and a method for treating signal thereof; the method uses conversion transducer units with different frequencies to form a transmitting array to transmit the ultrasonic carrier modulation signal after power amplification, thereby improving ultrasonic radiant intensity, outputting stable enough signal, making audio signal select a proper carrier frequency, further expanding frequency response of audio frequency and improving loudspeaker performance; and the method can be widely applied to the filed of controlling noise jamming.

The present invention relates to the technical field of electroacoustic products. Disclosed is a miniature speaker. The miniature speaker comprises an upper housing and a lower housing combined together. A vibration system and a magnetic circuit system are accommodated in the space defined by the upper housing and the lower housing. The upper housing is disposed close to the vibration system. The miniature speaker also comprises a hearing-aid voice coil. The hearing-aid voice coil is fixed to the upper housing and is located at the inner side of the upper housing. The miniature speaker of the present invention solves the problem of poor acoustics caused by collision of a lead wire of a vibrating voice coil with a hearing-aid voice coil of a miniature speaker in the prior art, and the miniature speaker of the present invention has good acoustic performance and a better hearing-aid effect.

A hands-free system, through which a driver communicates without using hands with an on-board mobile phone such as a cell phone, is mounted on an automotive vehicle. Plural speakers including a center speaker installed in an instrument panel and door speakers each installed in each door are mounted on the vehicle. Whenever the center speaker is mounted on the vehicle, the center speaker is selected as a speaker from which voices transmitted from the mobile phone are outputted. Only when the center speaker is not mounted, the door speakers are selected. When the center speaker is selected, the voices transmitted from the mobile phone can be heard from a direction to which a driver's eye line is directed. Accordingly, the driver is able to hear the speaker sounds from the natural direction for him/her.

A class D amplifier with output DC offset protection is disclosed. The DC offset protection receives a PWM input signals from the outputs and investigates the PWM output signals whether there is a large DC voltage difference is being reflected on the speaker load. If so, shutdown signal SD will be sent by the DC offset protection to the PWM control logic and gate driver, thus, shutting down the output of the class D system and preventing disastrous condition from being develop across the speaker.

The present invention relates to an apparatus for reproducing sound, a method for reproducing sound, a monitor with speakers, and a mobile phone with speakers. An apparatus according to the present invention is an apparatus for reproducing sound from original source signals, and comprises a control means, a first speaker, and a second speaker. The control means receives first and second original source signals, and controls magnitudes and phases of the received first and second original source signals so that a sound pressure level in a pre-determined zone is higher than a sound pressure level in zone other than the pre-determined zone, and outputs first and second controlled source signals. The first speaker receives the first controlled source signal and reproduces sound. The second speaker receives the second controlled source signal and reproduces sound. The apparatus according to the present invention can provide the sound environment in which only the person using the sound system enjoys the sound.

The invention discloses an audio test method for an earphone microphone and a speaker of a mobile terminal. The method comprises that an audio test device sends test audio signals to the mobile terminal by measuring earpieces; the mobile terminal receives the test audio signals through an earphone microphone interface and generates audio signals according to the test audio signals; the speaker of the mobile terminal plays the audio signals; and the audio test device receives the audio signals generated by the mobile terminal and tests an audio channel of the mobile terminal according to the audio signals and the test audio signals. The invention further discloses an audio test system for the earphone microphone and the speaker of the mobile terminal. By means of the audio test method and the system for the earphone microphone and the speaker of the mobile terminal, an input channel of the earphone microphone and an output channel of the speaker of the mobile terminal can be tested; and test time is short, and the test cost is low.

The invention discloses a mobile device and an operation method. The mobile device comprises a sound detection unit, a signal processing unit, a sound mixing unit, and a loudspeaker; and the mobile device plays the sound mixing signal through the loudspeaker in a sound mixing mode. The mobile device and the operation method convert environment sound around the mobile device to external sound signals, uses an external sound signal and a music signal to generate a mixing sound frequency signal in the sound mixing mode. As a result, the mobile device can selectively play the sound mixing signal through the loudspeaker and can further improve convenience and safety of the usage of the mobile device.

The present invention relates to a communication terminal device, in particular to a Bluetooth terminal device with handfree function, which aims to provide a bluetooth loudspeaker that not only allows handfree communication in match with a bluetooth mobile phone, but also allows internet communication in coordination with a computer. The bluetooth loudspeaker has buttons and circuit device; the circuit device has a speaker, a microphone, a bluetooth module unit, a bluetooth antenna, an audio frequency amplifying circuit and a power system. The circuit also has a handfree chipset; the handfree chipset and the bluetooth module are in a biadirectional electric connection with each other; the audio frequency amplifying circuit and the microphone are respectively electrically connected with the handfree chipset. The speaker is connected with the audio frequency amplifying circuit; the bluetooth antenna is connected with the bluetooth module; the power system is respectively electrically connected with the handfree chipset and the bluetooth module.

The invention belongs to the technical field of communication and mainly relates to an electronic device and near field communication realizing data transmission between smart phones through sound. The invention provides a sound-based near field communication system and a method thereof. The main principle is that a prior loudspeaker and a prior sound pick-up of a smart phone or device are utilized fully and data communication of data information s realized through sound in a short distance. The main process includes steps of encrypting, signing or encrypting as well as signing data on a transmitting end; performing RS or BCH error correction of coding; transmitting sound through the loudspeaker after digital modulation; performing digital demodulation and then performing RS or BCH error detection of decoding after the sound is received by a receiving end ; decrypting, verifying signatures or decrypting as well as verifying the signatures; and data transmitted from the transmitting end is received. The main characteristic of the invention is that RS or BCH correcting codes are adopted for guaranteeing reliability of integral data transmission and a cryptographic technique is utilized for guaranteeing data safety.

The invention relates to an active sound eliminator for a ventilation pipeline system. The active sound eliminator comprises an outer shell, an inner pipe segment, a loudspeaker unit, an error microphone and a loudspeaker power amplifier board card. The outer shell comprises a sealing cover and a shell body, the sealing cover is of a plate-shaped structure with an opening in the center, the shell body is of a barrel-shaped structure with an opening in the bottom central position, one end of the inner pipe segment penetrates through the hole in the center of the sealing cover and is fixed to the sealing cover, the other end of the inner pipe segment is embedded in the hole in the center of the shell body, and the sealing cover is arranged on the top of the shell body. The loudspeaker unit, the error microphone and the loudspeaker power amplifier board card are respectively arranged on the periphery of the inner pipe segment, an output interface of the loudspeaker power amplifier board card is connected with the loudspeaker unit, and a signal input interface and a power source interface of the loudspeaker power amplifier board card and an output interface of the error microphone are led out through an electric connector arranged on the shell body. An annular flange for containing the loudspeaker unit is arranged on the side face of the inner pipe segment, and a plurality of penetrating holes exist in the position, corresponding to the mounting positions of the loudspeaker unit and the error microphone, of the wall of the inner pipe segment.

The invention discloses a conductive elastic wave for a loudspeaker, which comprises an elastic wave main body, wherein a wave peak, a wave trough and a voice coil are arranged on the elastic wave main body; and the cross section is of a wave structure. The conductive elastic wave for the loudspeaker is characterized in that two or a plurality of FPCs (Flexible Printed Circuit) are arranged on the wave peak and the wave trough of the elastic wave; one end of each of the FPCs are connected with the voice coil; a connecting end is arranged at the other end of each of the FPCs; a connecting power supply stretches out from the outer side of the elastic wave main body; the FPCs are connected with the elastic wave main body integrally in the way of hot-pressing, or penetration or sewing; and two of the FPCs are arranged vertically on the surface of the elastic wave. The thickness of each FPC is 0.01mm-2mm, and the conductive elastic wave for the loudspeaker has the advantages of simple structure, low production cost, good effect and the like.

The invention discloses an audio playing method. The audio playing method overcomes the defects that due to the fact that when a current intelligent mobile terminal plays an audio file, the audio file is played again from the beginning after the intelligent mobile terminal is switched between a receiver and a loud speaker, time is wasted and user experience is lowered. The audio playing method comprises the steps that when a player plays an audio file through a receiver or a loud speaker, whether an object exists around the receiver or not is sensed in real time and a sensing result is obtained; after the sensing result changes, the current playing position of the audio file is obtained, and playing device switching between the receiver and the loud speaker is conducted; the player is controlled to play the audio file by the adoption of the switched displaying device according to the current playing position. The audio playing method can obviously improve user experience.

The invention discloses an automatic volume adjustment method and device of a vehicle-mounted player of a bus. The automatic volume adjustment method includes the steps that voltage signals between the positive pole and the negative pole of a loudspeaker of a bus-stop reporter are collected and pre-processed; amplitudes of the pre-processed voltage signals are compared with voltage threshold values at a time interval, and a corresponding adjustment instruction is formed according to a comparison result; the volume of the vehicle-mounted player is adjusted according to the adjustment instruction. Compared with a loudspeaker sound signal collecting method in the prior art, the voltage signals between the positive pole and the negative pole of the loudspeaker are collected, the adjustment instruction is generated according to the voltage signals, interference of external sounds is effectively removed, and adjustment precision is improved; additionally, electrical signals are directly collected, conversion from the voltage signals to the sound signals and from the sound signals to the electrical signals in the prior art is avoided, adjustment time delay is reduced and adjustment real-time performance is guaranteed.

A jacket that is configured to provide a visual effect and a sound effect. The jacket includes a body having a pair of sleeves and a hood. A plurality of removable light chains are secured to the body in an ornamental orientation. The jacket further includes at least one audio speaker that is operable to produce sound effects such as play music. A controller is disposed within the body of the jacket and is operable to provide control of the jacket and the production of the visual effect and the sound effects. The controller is embodied as a conventional controller with manual interfaces or is embodied such that it is wirelessly coupled with a software application stored on an external device such as a smartphone. A power supply is included to provide the necessary power to operate the jacket.

The invention discloses a method and a system for somatosensory switching a smart watch call mode. The method comprises the following steps: answering an incoming call, and obtaining an action of a smart watch through an action sensor; confirming that the smart watch becomes from a horizontal state into a vertical state according to the action; switching from a normal playback mode to a private playback mode, wherein the switching from the normal playback mode to the private playback mode comprises: switching from a current set volume to a preset small volume playback mode; or switching from an outside loudspeaker playback mode to a built-in earphone playback mode. The method disclosed by the invention is used for automatically switching the normal playback mode and the private playback mode according to natural somatosensory actions, thereby bettering conforming to the application habits of the smart watch and well solving the call privacy problem of the smart watch.

The present disclosure comprises a compact, sound recording equipment stand, which further comprises a support base, a microphone, a monitor, a sound filter, speakers, a tactile input and lighting source. The stand may additionally comprise a hydraulic pump for raising and lowering various pieces of attached components. In the preferred embodiment, the monitor is built inside a transparent sound filter, placed slightly above head level of an artist. The other components of the stand may similarly be covered in material to maximize sound absorption.