2904 results about "Second sound" patented technology

Doorbells can include a speaker and a visitor detection system having at least one of a button, a camera, and a motion detector. The speaker of the doorbell can be configurable to emit a first sound in response to the visitor detection system detecting a first indication of a visitor's presence. As well, the speaker of the doorbell can be configurable to emit a second sound in response to the visitor detection system detecting a second indication of the visitor's presence.

Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Systems and methods for optimizing speaker performance. The system includes a self-contained speaker unit that includes a speaker, an amplifier coupled to the speaker, and a processor coupled to the amplifier. The processor receives a first sound signal from a receiver and a second sound signal from a microphone, processes the first sound signal based on a plurality of parameters, outputs the processed sound signal to the speaker, and generates a video signal based on the second sound signal. A wireless remote control allows a user to manipulate the parameters. The processor generates a test sound signal and outputs it to the receiver. The receiver processes the test sound signal and returns it to the processor for output through the speaker. The video signal includes a graphical user interface having a frequency response graph of the second sound signal and an eight band equalizer.

The present invention is directed to a biometric sensor system 100 for measuring one or more physical or behavioral characteristic of a user, which system comprises: an information presenting unit 20 provided with a first sound presenting unit 22 and a second sound presenting unit 24 for operatively presenting sounds to a user, a portable device 10 provided with a sound producing unit 11, 40, 44, 46 for producing sounds to said sound presenting units 22, 24, and a biometric control unit 42 for controlling said measurement. The information presenting unit 20 comprises at least a first biometric sensor unit 32 and a second biometric sensor unit 32′ arranged to operatively enable a differential measurement of one or more physical or behavioral characteristic of a user, and the biometric control unit 42 is arranged to operatively control the biometric sensor units 32, 32′ so as to provide a differential measurement.

A mobile terminal comprising a first body comprising an image receiving unit, an image output unit, a first sound output unit, a first information input unit and a wireless communication module, a second body comprising a second information input unit, a second sound input unit, a second sound output unit and a wireless communication module, wherein the second body is capable of being slindingly mounted to the first body and separated from the first body, and a locking unit for preventing separation of the second body from the first body, wherein the wireless communication modules of the first body and the second body are capable of wirelessly communicating with each other when the first body and the second body are detached from each other.

The present invention provides a method and apparatus for acoustic position logging ahead of a drill bit. The method and apparatus comprise a bottomhole assembly (BHA) conveyed on a drilling tubular in a borehole within an earth formation. The BHA has a source array for emitting preselected acoustic signals into the earth formation, and at least one receiver on the BHA for receiving a second acoustic signal produced by an interaction of the preselected acoustic signal with said formation. The source array for acoustic energy may be configured as an axially distributed array of axially or azimuthally directed sources, or an azimuthally distributed array of axially or azimuthally directed sources. The sources may be activated according to preselected time delays. The emitted acoustic signal is differing in spectrum and / or wave mode from the acoustic energy of a rotating drill string.

A method and an apparatus of transmitting a sounding reference signal by a user equipment is provided. A user equipment transmits a first sounding reference signal through a first antenna, and transmits a second sounding reference signal through a second antenna. Resources for transmitting the first sounding reference signal and the second sounding reference signal are partially different.

Systems, methods, and computer program products for monitoring, in real time, acoustic characteristics of an audio environment are provided. The audio environment may include a plurality of sound sources that convert input signals to first sound streams and may include undesired objects producing second sound streams. The method may include monitoring one or more of the input signals and generating, by a plurality of acoustic sensors, one or more output signals corresponding to the first sound streams and the second sound streams. The method may also include calculating attenuation and delay values between the input signals and the output signals. Further, the method may include using the attenuation and delay values to identify portions of the output signals corresponding to second sound streams.

The invention provides an intelligent device and a control method. The intelligent device comprises a first sound collection unit, at least one second sound collection unit and a control device, wherein the second sound collection unit is provided with a working state and a non-working state, when at least one second sound collection unit stays at the non-working state, the first sound collection unit stays at the working state; and the control device is used for controlling at least one part in the at least one second sound collection unit to stay at the working state under the situation that a sound signal meets a predetermined condition. The control method comprises the steps of collecting the sound signal through the first sound collection unit when the at least one second sound collection unit stays at the non-working state; and controlling at least one part in the second sound collection unit to stay at the working state under the situation that the sound signal meets the predetermined condition.

The invention relates to methods and units supporting a multichannel audio extension. In order to allow an efficient extension requiring a low computational complexity, it is proposed that at an encoding end, at least state information is provided as side information for a provided mono audio signal (M) generated out of a multichannel audio signal. The state information indicates for each of a plurality of frequency bands how a predetermined or equally provided gain value is to be applied in the frequency domain to the mono audio signal (M) for obtaining first and a second channel signals (L,R) of a reconstructed multichannel audio signal.

The invention relates to an audio system (2) for disposing in the external region of an ear, having a carrier element (4) for affixing to the head of the user and comprising at least one hollow space (26, 27, 28) having a primary opening (11, 12, 13) oriented in the direction of an ear opening (22) of the intended ear when the carrier element (4) is disposed as intended, and having at least one speaker (5, 6, 7) disposed in the hollow space (26, 27, 28), the cavity (14, 15, 16) thereof being at least partially formed by a first hollow space region (29) and by means of which first sound waves (35) can be emitted through the primary opening (11, 12, 13) in the direction of the ear spaced apart from said opening. According to the invention, the hollow space (26, 27, 28) comprises a secondary opening (17, 18, 19) disposed in the first hollow space region (29) such that said opening is oriented away from the ear toward the surrounding area when the carrier element (4) is disposed as intended so that second sound waves (36) can be emitted through the secondary opening (17, 18, 19) by means of the speaker (5, 6, 7), said waves being offset in phase from the first sound waves (35) such that the volume of the sound waves emitted by the audio system (2) into the surrounding area can be reduced.

A method of transmitting an uplink reference signal in a multiple antenna system is provided. A user equipment transmits a first sounding reference signal for uplink channel measurement on a first antenna by using at least one power amplifier among a plurality of power amplifiers, and transmits a second sounding reference signal for uplink channel measurement on a second antenna by using the at least one power amplifier, wherein the first sounding reference signal and the second sounding reference signal are transmitted using different time regions when using one power amplifier, and the first sounding reference signal and the second sounding reference signal are transmitted using different time regions or different frequency regions when using the plurality of power amplifiers.

A sound source-separating device includes a sound-collecting part, an imaging part, a sound signal-evaluating part, an image signal-evaluating part, a selection part that selects whether to estimate a sound source direction based on the first sound signal or the first image signal, a person position-estimating part that estimates a sound source direction using the first image signal, a sound source direction-estimating part that estimates a sound source direction, a sound source-separating part that extracts a second sound signal corresponding to the sound source direction from the first sound signal, an image-extracting part that extracts a second image signal of an area corresponding to the estimated sound source direction from the first image signal, and an image-combining part that changes a third image signal of an area other than the area for the second image signal and combines the third image signal with the second image signal.

An earphone arrangement comprises a microphone (109) which generates a microphone signal and a sound transducer (101) which radiates a first sound component to a user's ear (103) in response to a drive signal. An acoustic channel (111) is further provided for channeling external sound so as to provide a second sound component to the user's ear (103). An acoustic valve (117) allows the attenuation of the acoustic channel (111) to be controlled in response to a valve control signal. A control circuit (105) generates the valve control signal in response to the microphone signal to provide a variable attenuation resulting in a mixed sound of the first sound component and the second sound component reaching the user's ear (103). The combined use of acoustic and e.g. electric signal paths allows improved performance and in particular allows a dynamic trade-off between open and closed earphone design characteristics with respect to external sounds.

An equalizer control system is provided. The equalizer control system includes a first sound mode identifier to identify a first sound mode for controlling the equalizer from a plurality of sound modes, by classifying an audio feature value, extracted from a sequential audio stream, into a category selected from a plurality of categories, the category corresponding to the first sound mode, a second sound mode identifier to identify a second sound mode for controlling the equalizer, from the plurality of sound modes, by segmenting a sound source into a music genre using a highlight extracted from stored music, and an equalizer controller to analyze the first sound mode and the second sound mode, select one of the first sound mode and the second sound mode, and control the equalizer according to the selected sound mode.

A sounding method of a transmitting terminal that transmits data to two or more receiving terminals in a wireless communication system includes transmitting a frame for requesting transmission of first sounding information to the two or more receiving terminals, receiving a frame including the first sounding information from each of the two or more receiving terminals, transmitting a frame including information for requesting transmission of channel state information and second sounding information to the two or more receiving terminals, and receiving a frame including the channel state information, which is measured by each of the two or more receiving terminals by using the second sounding information, from each of the two or more receiving terminals, wherein the channel state information measured by using the first sounding information and the channel state information received from each of the two or more receiving terminals are used to simultaneously transmit the data to the two or more receiving terminals.

An array speaker apparatus SParray includes a first radiation means for driving speaker units so that a first sound S1 of a main channel is radiated to a wall surface W1 on the left or right side of a listening position, and a second radiation means for driving the speaker units so that a second sound S2 the same as the first audio signal is radiated directly to the listening position.

An ultrasonic flow sensor that includes a conduit having a length, a first ultrasonic transducer disposed at a first position along the length of the conduit, a second ultrasonic transducer disposed at a second position along the length of the conduit, the second position being spaced apart from the first position, a first reflecting interface and a second reflecting interface. The first reflecting interface is in registration with the first ultrasonic transducer to receive first acoustic energy from the first ultrasonic transducer and to reflect the first acoustic energy in a direction generally along a length of the conduit and into a fluid within the conduit. The second reflecting interface is in registration with the second ultrasonic transducer to receive second acoustic energy from the second ultrasonic transducer and to reflect the second acoustic energy in a direction generally along the length of the conduit and into the fluid within the conduit.

The present invention is directed to providing a sound field reproduction system that can enhance the sound separation between the front and rear seats or left and right seats of a vehicle. The sound field reproduction system includes a control unit for creating a first sound signal and a second sound signal from one or a plurality of sources, a narrow-directional speaker mounted on the front seat side of the vehicle, a speaker mounted on the rear seat side of the vehicle, and a signal processing unit for driving the narrow-directional speaker based on the first sound signal that has been processed according to frequency range, and for driving the speaker based on the second sound signal.

A method and system is disclosed for grouping the multiple stations connected to an access point (AP). The system and method comprise sending a sounding packet to a plurality of stations, wherein the stations may be all or part of the stations that are located within the range of the AP. The stations that receive the sounding packets respond to the AP, and the AP determines the channel state information (CSI) from the responses. According to the CSI, the AP divides the multiple stations into several groups. According to an embodiment of the present invention, a confirmation step is performed to each group of stations, respectively. The AP sends a second sounding packet to each group of stations, and verifies the CSI between each station group by group. Therefore, the method and system provides for monitoring the validation of each group by periodically sending sounding packets to each group.

Disclosed herein is a noise canceling system, including: a first sound collection section configured to collect noise and output a first noise signal; a first signal processing section configured to produce a first noise reduction signal for reducing the noise at a predetermined cancel point; a sound emission section configured to emit noise reduction sound based on the first noise reduction signal; a second sound collection section configured to collect noise and output a second noise signal; and a second signal processing section configured to produce a second noise reduction signal for reducing noise at the cancel point. In the noise canceling system, the sound emission section emitting the noise reduction sound based on the first and second noise reduction signals

A sonar transducer network for observing a seabed includes a controller. A first transducer assembly includes a first acoustic transducer to convert a first ping to a first electrical signal; and a first transducer processor to receive a first electrical signal from the first acoustic transducer to generate the first transducer data. At least one second transducer assembly is spaced apart from the first transducer assembly. The second transducer assembly includes a second acoustic transducer to convert a second ping to a second electrical signal. The second transducer processor receives the second electrical signal from the second acoustical transducer to generate second transducer data. A network bus communicates first transducer data and second transducer data with the controller.

Disclosed is a display device that includes a display panel (100), sound generating actuators including a first sound generating actuator (200) in a first area of the display panel and a second soundgenerating actuator (200') in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate stereo sound, and a partition (600) between the first sound generating actuator (200) and the second sound generating actuator (200').

An image forming apparatus includes a memory for storing first sound information associated with a normal operating sound produced when the image forming apparatus normally operates, and a sensor for detecting an operating sound produced from the image forming apparatus and generating second sound information based on the detected operating sound. The image forming apparatus further includes a locating device for locating a fault in the image forming apparatus on the basis of the first sound information, the second sound information, and operation information associated with the image forming apparatus.

Disclosed herein is a sound outputting apparatus, including: an electro-acoustic conversion section disposed in a housing and configured to acoustically reproduce a first sound signal; a sound collection section configured to collect sound outside said housing and output a second sound signal; a surrounding noise evaluation section configured to evaluate surrounding noise outside said housing based on the second electric signal; and a control section configured to perform predetermined control based on a result of the evaluation of said surrounding noise evaluation section.

A miniature multi-loudspeaker module comprising a housing including a magnetic circuit having magnetic means and a magnetically conducting body defining a magnetic field, and first and second coplanar diaphragm and coil assemblies, which are separately movable. The housing is attached to a front cover, which includes first and second sound outlet openings leading to the first and second diaphragms. Preferably, parts of the magnetic circuit can be shared by the two diaphragm and coil assemblies. Preferred embodiments have two diaphragm and coil assemblies that can be separately electrically terminated to enable stereo sound reproduction and can be operated out of phase to serve as a vibration source. Such modules may be utilized for providing stereo sound in, e.g. mobile phones. The front cover may also comprise a sound outlet opening. The receiver signal can be generated by the two diaphragms or by a separately movable third diaphragm and coil assembly.

According to the present invention there is provided a method of determining identity data in respect of a user of an electronic device, the method comprising the steps of: the electronic device receiving a second sound signal resulting from a first sound signal interacting with a part of the head of the user; deriving a signature from at least the second sound signal, the signature being characteristic of a topography of a part of the head of the user, determining identity data in dependence on the signature. In one embodiment, the electronic device produces the first sound signal which is substantially undetectable by the human ear or unobtrusive to the user. In another embodiment, the first sound signal is produced by the user.

A method for transmitting sounding reference signals from a user equipment having multiple antennas is disclosed. The user equipment may concurrently send two periodic sounding reference signals. A first sounding reference signal is sent from a single antenna. A second sounding reference signal is sent from multiple antennas. Transmission of the sounding reference signal from multiple antennas is triggered when the user equipment receives activation signal from the network.

A communication apparatus for playing sound signals has a cellular phone and a wireless earphone. The cellular phone communicates with the wireless earphone via Bluetooth signals primarily. The cellular phone has a first sound processing module for encoding, a music playing module for outputting music data and a Bluetooth module. The wireless earphone has a second sound processing module for decoding, an output unit for outputting music and a Bluetooth module. The music data from the music playing module can be encoded into digital data fitting the Bluetooth protocol by using the first sound processing module. Then, the digital data is sent to the wireless earphone. After being received, the digital data is decoded via the second sound processing module and then output by the output unit. Thereby, the cellular phone can use Bluetooth signals to radio the music data to the wireless earphone for playing music.