2050 results about "Audio electronics" patented technology

An interactive directed beam system is provided. In one implementation, the system includes a projector, a computer and a camera. The camera is configured to view and capture information in an interactive area. The captured information may take various forms, such as, an image and / or audio data. The captured information is based on actions taken by an object, such as, a person within the interactive area. Such actions include, for example, natural movements of the person and interactions between the person and an image projected by the projector. The captured information from the camera is then sent to the computer for processing. The computer performs one or more processes to extract certain information, such as, the relative location of the person within the interactive area for use in controlling the projector. Based on the results generated by the processes, the computer directs the projector to adjust the projected image accordingly. The projected image can move anywhere within the confines of the interactive area.

A personal sound system is described that includes a wireless network supporting an ear-level module, a companion module and a phone. Other audio sources are supported as well. A configuration processor configures the ear-level module and the companion module for private communications, and configures the ear-level module for a plurality of signal processing modes, including a hearing aid mode, for a corresponding plurality of sources of audio data. The ear module is configured to handle variant audio sources, and control switching among them.

A button mounting structure for a car audio system includes a button including a pushing unit having a pushing part which protrudes forward, a locking piece provided above the pushing unit to be spaced apart from the pushing unit by a predetermined interval with first locking recesses provided on both sides of the locking piece, and connecting parts to connect the pushing unit to the locking piece. The structure further includes a front panel having an opening into which the pushing part is inserted, with first locking protrusions provided on opposite sides of the front panel, each of the first locking protrusions comprising an upper thin plate to cover an upper surface of opposite sides of the locking piece, a lower thin plate to cover a lower surface of the opposite sides of the locking piece, and a fitting rib provided between the upper and lower thin plates to engage with an associated first locking recess.

A surround sound system for reproducing a spatial sound field in a sound control region within a room having at least one sound reflective surface. The system uses multiple steerable loudspeakers located about the sound control region, each loudspeaker having a plurality of different individual directional response channels being controlled by respective speaker input signals to generate sound waves emanating from the loudspeaker with a desired overall directional response. A control unit connected drives each of the loudspeakers and has pre-configured filters based on measured acoustic transfer functions for the room for filtering the input spatial audio signals to generate the speaker input signals for all the loudspeakers to generate sound waves with co-ordinated overall directional responses that combine together at the sound control region in the form of either direct sound or reflected sound from the reflective surface(s) of the room to reproduce the spatial sound field.

A method and a system for simultaneously generating configurable three-dimensional (3D) sounds are provided. A 3D sound processing application (3DSPA) in operative communication with a microphone array system (MAS) is provided on a computing device. The MAS forms acoustic beam patterns and records sound tracks from the acoustic beam patterns. The 3DSPA generates a configurable sound field on a graphical user interface using recorded or pre-recorded sound tracks. The 3DSPA acquires user selections of configurable parameters associated with sound sources from the configurable sound field. The 3DSPA dynamically processes the sound tracks using the user selections to generate a configurable 3D binaural sound, surround sound, and / or stereo sound. The 3DSPA measures head related transfer functions (HRTFs) in communication with a simulator apparatus that simulates a human's upper body. The 3DSPA generates the binaural sound by processing the sound tracks with the HRTFs based on the user selections.

Network appliances for use in combination with a network based full service, multi-media surveillance system provide a wide range of monitoring techniques utilizing digital network architecture. The appliances may be connected to the surveillance system for transmitting event data, video and / or image monitoring information, audio signals and other data over significant distances using digital data transmission over networks such as a local area network (LAN), a wireless LAN (WLAN), a wide area network such as the Internet for other networks, permitting remote manual and / or automatic assessment and response. The wireless LAN connectivity permits local distribution of sensor information audio, video and image data with relatively high bandwidth without requirement of a license and without relying on a common carrier and the fees associated therewith. The surveillance system may be interfaced with a WAN (wide area network) such as frame relay or the Internet for providing a worldwide, low cost surveillance system with virtually unlimited geographic application. Multiple sensors and appliances may be accommodated, as required. The topology of the network will be established by the geographic situation of the specific installation. Appropriate firewalls may be set up as desired to protect unauthorized access to the system or collected data. The server based system permits a security provider to have access to the appliance, related sensor and surveillance data or to configure or reconfigure the system from any station on the Intranet or Internet. The use of power supplied over LAN wiring to various configurations of security network appliances provides an important simplification and cost reduction of the installation of various alarm and security system devices, such as card readers and scanners, audible devices, strobe enunciators, keypads, motion detectors, and the like. The use of networked sensors in the form of network appliances allows various servers and monitors to share common sensors, further reducing installation costs and greatly increased flexibility.

Methods and systems for processing audio data, such as spatial audio data, in which one or more sound characteristics of a given component of a spatial audio signal are modified in dependence on a relationship between a direction characteristic of the given component and a defined range of direction characteristics; this enhances the listening experience of the listener. A spatial audio in a format using a spherical harmonic representation of sound components is decoded by performing a transform on the spherical harmonic representation, in which the transform is based on a predefined speaker layout and a predefined rule, the predefined rule indicating a speaker gain of each speaker arranged according to the predefined layout, when reproducing sound incident form a given direction; this provides an alternative to existing method of decoding spatial audio streams, which focus on soundfield reconstruction. A plurality of matrix transforms is combined into a combined transform, and the combined transform is performed on an audio signal; this saves processing resources of the audio system being used.

The invention discloses a household information acquisition and user emotion recognition equipment, which comprises a shell, a power supply, a main controller, a microcontroller, multiple environmental sensors, a screen, a microphone, an audio, multiple health sensors, a pair of robot arms and a pair of cameras, wherein the microphone is arranged on the shell; the power supply, the main controller, the microcontroller, the environmental sensors, the audio and the pair of cameras are arranged symmetrically relative to the screen respectively on the left and right sides; the robot arms are arranged on the two sides of the shell; the main controller is in communication connection with the microcontroller, and is used for controlling the microcontroller to control the movements of the robot arms through motors of the robot arms; the power supply is connected with the main controller and the microcontroller, and is mainly used for providing energy for the main controller and the microcontroller. According to the household information acquisition and user emotion recognition equipment, the intelligent speech recognition technology, the speech synthesis technology and the facial expression recognition technology are integrated, thus the use of the household information acquisition and user emotion recognition equipment is more convenient, and the feedback is more reasonable.

A gaming machine for conducting a wagering game includes a sound system for presenting audio directly related to the game or indirectly related as background sound or music. The audio files contain markers that initiate other events and are instrumental in synchronizing the audio to the events.

A monitoring and control device includes a touch sensitive LCD screen, with a basic layout including a display area and touch sensitive keys depicted with associated system and function symbols. A main menu or any one of plural system menus can be selectively displayed in the display area. The system menus relate to cabin systems such as audio, lighting, and water systems. The selected system menu displays status information and touch input keys for the user to monitor the status and to select and control the operation of the system. The main menu is a top level window providing essential information regarding all of the cabin systems and allows a user to select any one of the system menus. The device is compact, user-friendly, and adaptable to various system requirements by mere software reprogramming. The displays and input keys are all virtual elements generated by software.

The invention discloses an automobile driver emotion monitoring and automobile control system, and solves the technical problems that in the prior art, the monitoring method for driver's adverse emotion is single, and no emotion regulating measure and no corresponding automobile safety control measure are provided. The automobile driver emotion monitoring and automobile control system provided by the invention can control the automobile and regulate driver's emotion promptly when the driver's emotion is detected to be in an adverse state, and comprises a camera shooting device, an emotion monitoring and processing unit and a sounding unit, wherein the output end of the camera shooting device is connected with the emotion monitoring and processing unit; and the emotion monitoring and processing unit is connected with the sounding unit, an engine controller and an electronic steering controller through a communication bus.

A portable multimedia projection system includes a portable housing, a media player disposed, a sound system, an image projection device, a controller and a vibration dampening device. The sound system has at least one internally-mounted speaker. The image projection device externally projects images. The controller is electrically coupled to the media player, the sound system and the image projection device. The controller directs audio signals from the media player to the sound system and directs video signals from the media player to the image projection device. The vibration dampening device is coupled between the housing and at least one of the media player, the at least one internally-mounted speaker and the image projection device.

A multi-accessory vehicle audio system is providing that includes a plurality of vehicle audio accessories, the vehicle audio accessories generating a corresponding plurality of audio signals; and an audio switching device. The audio switching device includes an input section for receiving the audio signals from the vehicle audio accessories, a switching section operatively coupled to the input section for receiving the audio signals, a controller operatively coupled to the input section for receiving the audio signals and operatively coupled to the switching section for providing control signals to control the switching section and to regulate the output of the audio signals from the switching section according to an instruction set, and an output section operatively coupled to the switching section for receiving the regulated audio signals outputted from the switching section.

The invention is directed to techniques for suppressing the voice of a user of an audio electronic device, such as a mobile phone, from being heard by an unintended listener. In one arrangement, the invention includes an input microphone, an electronics module, and a suppression speaker. The user speaks into the input microphone, and the electronics module generates an antivoice signal from a voice signal received from the input microphone. The suppression speaker outputs an antivoice output that combines with the voice of the user to form a voice suppression zone next to the speaker. The user thus can carry on his or her conversation in private as long as the unintended listener is within the voice suppression zone. Alternately, the user can avoid distracting other users of similar devices nearby, such as in a crowded office environment with many individuals using telephones at the same time. In another arrangement, the invention includes multiple suppression speakers that can be oriented in different directions to provide one or more voice suppression zones.

A route guidance system, a car-audio apparatus thereof, and a method for providing route guidance using the same are provided. The route guidance system using a car-audio apparatus which includes an input module for receiving destination information to be visited by a driver from the driver via, e.g. a voice command, a location tracking module which determines a present location information of a vehicle, and a control module which transfers voice information for the present location information of the vehicle and the destination information to the server. Route guidance information, received from the server, is searched via an electronic map on the server. The control module transfers the route guidance information to the car-audio apparatus and allows the car-audio apparatus to display the route information through an interface of a display module of the car-audio apparatus.

An audio system comprises a headset comprising a pair of earpieces positionable with respect to the user's ears so that, in use, the user is inhibited from hearing sounds from the user's environment, at least one of the earpieces having a transducer for reproducing sounds from an input audio signal; a microphone for generating a captured audio signal representing captured sounds from the user's environment; a detector for detecting the presence of any of a set of one or more characteristic sounds in the captured audio signal; and a controller operable to transmit sounds from the user's environment to the user in response to a detection that one or more of the set of characteristic sounds is present in the captured audio signal.

The invention relates to a multi-media electronic reciprocal teaching system which belongs to the technical field of multi-media electronic reciprocal teaching and comprises a large-screen reciprocal touch display, a stereoscopic display, acoustic equipment, a control host computer, network equipment and courseware. Any one computer is connected with the large-screen reciprocal touch display through a USB interface and connected with the large-screen reciprocal touch display through a video cable, the audio output of the computer is connected with the acoustic equipment, the computer is connected to a campus network for calling the courseware; the control host computer is connected to the stereoscopic display through a video cable, the audio output of the control host computer is connected with the acoustic equipment; and the host computer is connected with the campus network for realizing calling the stereoscopic courseware. The invention can be widely applied to occasions of classrooms in schools, studios in television stations, meeting rooms in large companies, exhibition, scheduling and directing places and the like.

A model train accessory controller is connectable to a DC power pack having a throttle to apply a power signal to a set of train tracks. The controller includes a switching device, which is in electrical communication with the power pack and the train tracks, to reverse a polarity of the power signal on the train tracks. The controller includes an input, and a processor in electrical communication with the switching device. The processor receives a command from the input to produce, by control of the switching device, a digital command having a series of sequential reversals in the polarity of the power signal.

A vehicle audio system includes at least two loudspeakers incorporated into a headrest of a vehicle. Protective caps are provided for the loudspeakers at the headrest above each of the two loudspeakers and extend at least partially in a direction in which sound is emitted from the loudspeakers. An audio signal processor receives an audio input signal and is configured for generating audio output signals for the two loudspeakers such that the audio output signals are perceived by a user sitting on a seat on which the headrest is provided as a virtual soundfield. A database includes cap compensating information that compensates for an influence by the protective caps on the audio output signals emitted by the two loudspeakers. The audio signal processor is further configured for generating the virtual soundfield for said user taking into account the cap compensating information.

An acoustic calibration sound system includes a coordinate position detecting device and a host. The coordinate position detecting device is used for detecting a position of a listener in a space plane and issuing a corresponding position signal. The host outputs an audio signal. The host has an acoustic characteristic parameter matrix containing multiple acoustic characteristic parameters related to multiple positions in the space plane. The host selects a corresponding acoustic characteristic parameter in response to the position signal. According to the selected acoustic characteristic parameter, the host adjusts the audio signal.

Disclosed herein is a multifunction lighting and audio apparatus. The apparatus includes a color-music file storage for storing color-music files; an output control unit for controlling the color-music data stored in the color-music file storage so as to separate the color-music data into music signals and color signals, and for producing the separated music signals and color signals; a lighting unit for producing color-lighting based on a color-lighting control signal inputted through the output control unit; an audio unit for producing music based on a music control signal inputted through the output control unit; and an operating unit for operating the above components respectively. It is possible to embody the optimal lighting and audio in which the music and lighting match each other, and to simplify an overall system structure, and decrease the system structure costs without requiring the conventional music parameter detection unit, etc.

The invention is suitable for the field of audio playback and provides a sound box networking method and a sound box network. The sound box network comprises electronic equipment, a main wireless sound box and one or more slave wireless sound boxes, wherein the electronic equipment is in wired connection and / or wireless connection with the main wireless sound box, and each slave wireless sound box is wirelessly connected to the main wireless sound box; the electronic equipment transmits voice data to the main wireless sound box; the main wireless sound box receives the voice data and forwards the voice data to slave sound box equipment to play the voice data; the slave sound box equipment plays the voice data. The main wireless sound box and each slave wireless sound box both play the voice data, and a sound channel in the voice data can be respectively played from the main wireless sound box and each slave wireless sound box, so that a stereophonic effect is implemented.

An audio display system includes a pointing device configured to address locations within an interaction field, a sound system adapted to communicate with the pointing device, and—an object mapping unit adapted to communicate with the sound system. The object mapping unit is configured to generate a map identifying locations within the interaction field that correspond to a representation of an object to be displayed such that the interaction field is segmented into an exterior region and an interior region of the representation of the object. The sound system is configured to provide an object-locating sound when the pointing device addresses a location in the exterior region so as to guide a user to further address the interaction field at least one of closer to or further away from the interior region of the object.

The invention discloses a multi-channel audio system capable of tracking a user and equipment with the multi-channel audio system. The multi-channel audio system comprises multiple loudspeakers, an image sensor, a sound sensor and a controller; a predetermined first relative position is located between the image sensor and the sound sensor, and the controller comprises a loudspeaker position detection unit, a user position detection unit, a position fusion unit, a delay compensation calculating unit and a delay adjusting unit, wherein the loudspeaker position detection unit is used for determining second relative positions of the loudspeakers on the basis of predetermined audio signals which are detected by the sound sensor and come from the loudspeakers, the user position detection unit is used for determining a third relative position of the user on the basis of a user image detected by the image sensor, the position fusion unit is used for fusing the first relative position, the second relative positions and the third relative position to determine a fourth relative position of the user to the loudspeakers, the delay compensation calculating unit is used for calculating delay compensation values of the loudspeakers on the basis of the fourth relative position, and the delay adjusting unit is used for adjusting the phase positions of audio signals of the loudspeakers according to the delay compensation values.

An audio system comprises at least one pair of wireless headphones having an active operating mode and an inactive operating mode, the at least one pair of headphones comprising a solid-state audio player, a rechargeable battery, means for connecting to a computer, means for charging the battery, and a motion sensor, wherein the motion sensor detects movement of the headphones and causes headphones to be put into inactive mode when no motion is detected for a certain period of time and causes headphones to be put back into active mode when motion is detected.