Abstract: A microphone includes a housing including a substrate and a cover disposed over the substrate, the housing including a sound port between the interior of the housing and the exterior of the housing. The microphone also includes a microelectromechanical systems (MEMS) transducer and an integrated circuit (IC) positioned within the housing and mounted on a common surface of the housing, where the MEMS transducer is electrically connected to the IC, and the IC is electrically connected to a conductor on the substrate. The microphone further includes an encapsulating material covering the IC, and an encapsulating material confinement structure disposed between the MEMS transducer and the IC, where the encapsulating material confinement structure at least partially confines the encapsulating material around the IC.

Abstract: A microphone to generate A format signals used for ambisonics includes: a body of the microphone, first through fourth microphone elements provided facing sound pickup directions different from each other in the body and configured to output respective first signals to be components of the A format signals; and a six-axis sensor configured to detect displacement of the body and output information on a position of the body.

Abstract: A portable speaker, such as a subwoofer, that is configured to pair via Bluetooth from any device capable of streaming Bluetooth audio and act as the “sink.” The portable speaker is also configured to pair via Bluetooth to other audio equipment capable of streaming Bluetooth audio and act as the “source.” The portable speaker is also preferably configured to synchronize the audio signal going to the portable speaker and the other unit playing music, such that the user will not hear delays between the two units playing the audio stream. Preferably, the portable speaker is configured to be portable in which the size and weight is small enough for a person to carry, and is portable in which it operates with rechargeable batteries inside the unit, thus not needing any other power source such as AC outlet, or automobile power system. Another embodiment omits the speaker and instead provides a line out for connection to an external speaker, such as a subwoofer.

Abstract: The vehicular radio and recording system comprises a vehicle and a recording appliance. The recording appliance mounts in the vehicle. The vehicle further comprises a vehicle audio entertainment device, a VECU, and a steering wheel. The vehicle audio entertainment device further comprises an audio output. The recording appliance electrically connects to the vehicle audio entertainment device and the VECU. A portion of the recording appliance mounts on the steering wheel. The recording appliance: a) captures audible sounds generated within the vehicle and converts the captured audible sounds into electrical signals; and, b) captures electrical signals generated by the vehicle audio entertainment device. The recording appliance converts the captured electrical signals into one or more audio files for storage.

Abstract: Embodiments described herein involve an auxiliary zone contributing audio to a primary zone. In an example implementation, a network media system determines that a first zone in the network media system is playing back a first type of audio content and that a second zone in the network media system is not playing back audio content. While the first zone is playing back the first type of audio content and the second zone is not playing back audio content, the network media system forms a temporarily playback configuration. In the temporary playback configuration, the first zone plays back primary audio content including full frequency range audio content and the second playback device of the second zone plays back auxiliary audio content including low frequency range audio content.

Abstract: A display device includes: a display panel; and first and second sound generating device configured to generating sounds and vibrate the display panel, wherein the first sound generating device may have a higher sound pressure level than the second sound generating device in a first frequency range, and the second sound generating device may have a higher sound pressure level than the first sound generating device in a second frequency range lower than the first frequency range. A method of driving a display device in sound generating and haptic modes also is disclosed.

Abstract: A system for operating a headphone can include a primary processor to control the headphone and operate in a low-power state, a cup portion having a microphone to receive an input, a listening sub-system to convert the input into an output signal, and a neural net processor to receive the output signal from the listening sub-system and determine whether to generate a wake signal based on the received output signal.

Abstract: A method for rendering an audio output based on an audio data stream including M audio signals, side information including a series of reconstruction instances of a reconstruction matrix C and first timing data, the side information allowing reconstruction of N audio objects from the M audio signals, and object metadata defining spatial relationships between the N audio objects. The method includes generating a synchronized rendering matrix based on the object metadata, the first timing data, and information relating to a current playback system configuration, the synchronized rendering matrix having a rendering instance for each reconstruction instance, multiplying each reconstruction instance with a corresponding rendering instance to form a corresponding instance of an integrated rendering matrix, and applying the integrated rendering matrix to the audio signals in order to render an audio output.

Abstract: An impulse response is computed between i) an audio signal that is being output as sound by a loudspeaker that is integrated in a loudspeaker enclosure, and ii) a microphone signal from a microphone that is recording the output by the loudspeaker and that is also integrated in the loudspeaker enclosure. A reverberation spectrum is extracted from the impulse response. Sound power spectrum at the listening distance is computed, based on the reverberation spectrum, and an equalization filter is determined based on i) the estimated sound power spectrum and ii) a desired frequency response at the listening distance. Other aspects are also described and claimed.

Abstract: A system and method for remote active noise correction at a remote device includes receiving, at the remote device, an ambient noise signal from a microphone. The remote device is disposed along a processing and transmission path between the microphone and a headphone. The processing and transmission path exhibit non-zero latency. The remote device further analyzes the ambient noise signal to generate an anti-noise signal, performs a first correction of the anti-noise signal for a headphone interface effect, performs a second correction of the anti-noise signal for the non-zero latency of the processing and transmission path between the microphone and the headphone. The remote device then transmits the corrected anti-noise signal to the headphone.

Abstract: This application relates to amplifier circuitry for amplifying an input signal from a MEMS capacitive sensor. The amplifier circuitry includes a first amplifier for receiving the input signal (VINP) and outputting a first output signal (VOUTP) based on the input signal. A second amplifier is configured to output a second output signal (VOUTN) which varies inversely with the first output signal. The first and second amplifier outputs are connected via first and second impedances so that a voltage at a common-mode node is equal to a common-mode voltage of the first and second output signals. The second amplifier has an input stage having an input terminal connected to a first reference voltage (VR1) and a feedback terminal connected to the common-mode node. The second amplifier also has an output stage connected between an output terminal of the input stage and the second amplifier output.

Abstract: An acoustic processing apparatus includes a detection unit configured to detect a change in a state of a microphone, and a determination unit configured to determine a parameter to be used in acoustic signal generation by a generation unit configured to generate an acoustic signal based on one or more of a plurality of channels of sound collection signals acquired based on sound collection by a plurality of microphones, wherein in a case where a change in at least any of states of the plurality of microphones is detected by the detection unit, the determination unit determines the parameter based on the states of the plurality of microphones after the change.

Abstract: This invention provides a system and method for utilizing a wireless, handheld communication device to image a scene in multiple directions, so as to include multiple parties in addition to the user, and also, optionally, to project images on a plurality of display screens—for example a user-facing screen on the front face of the phone and an opposing screen on the rear/back face of the phone that faces (e.g.) a chat participant other than the user (an audience). The housing of the smartphone is adapted to provide a multi-camera and multi-screen arrangement. More particularly, the housing of the smartphone is adapted to include (at least) a front-directed camera and a rear-directed camera on respective front and rear faces, and openings along the left and right side edges for small-scale cameras and associated protective windows that are directed to image the left and right areas adjacent to the phone.

Abstract: Systems, methods, and devices for monitoring industrial equipment using audio are described herein. One system includes two computing devices. The first computing device can receive, from an audio sensor, audio sensed during operation of industrial equipment, extract a plurality of features from the audio, determine whether any portion of the audio is anomalous, and send, upon determining a portion of the audio is anomalous, the anomalous portion of the audio to the second, remotely located, computing device. The second computing device can provide the anomalous portion of the audio to a user to determine whether the anomalous portion of the audio corresponds to a fault occurring in the equipment, and receive, from the user upon determining the anomalous portion of the audio corresponds to a fault occurring in the equipment, input indicating the anomalous portion of the audio corresponds to the fault to learn fault patterns in the equipment.

Abstract: An audio-video communication system comprises a wireless exterior module located proximate an entrance, a computerized controller running a software application, and a remote peripheral device. The wireless exterior module includes a proximity sensor for detecting a person at the entrance, a video camera for recording an image of the person at the entrance, a microphone for recording the person at the entrance, a speaker for playing audio to the person at the entrance, a transmitter for communicating sounds and images of the person at the entrance, and a receiver for receiving communications at the wireless exterior module. The computerized controller is disposed in wireless electronic communication with the wireless exterior module via the transmitter and the receiver of the wireless exterior module. The remote peripheral device is configured to electronically communicate with the computerized controller for viewing an image from the video camera communicated from the wireless exterior module.

Abstract: A system and method for processing and enhancing utility of a sound mask noise signal, including generating, by a signal processor, the sound mask noise signal by modulating a noise signal with embedded additional information, outputting, by a plurality of audio speakers, sound signals comprising the sound mask noise signal with the embedded additional information; and receiving, by one or more microphones, the outputted sound signals comprising the sound mask noise signal, wherein an impulse response between each audio speaker and each microphone is measured in real time based on the embedded additional information.

Abstract: An apparatus for generating loudspeaker signals includes an object metadata processor configured to receive metadata, to calculate a second position of the audio object depending on the first position of the audio object and on a size of a screen if the audio object is indicated in the metadata as being screen-related, to feed the first position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being not screen-related, and to feed the second position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being screen-related. The apparatus further includes an object renderer configured to receive an audio object and to generate the loudspeaker signals depending on the audio object and on position information.

Abstract: Systems and methods for calibrating a playback device include (i) outputting first audio content; (ii) capturing audio data representing reflections of the first audio content within a room in which the playback device is located; (iii) based on the captured audio data, determining an acoustic response of the room; (iv) connecting to a database comprising a plurality of sets of stored audio calibration settings, each set associated with a respective stored acoustic room response of a plurality of stored acoustic room responses; (v) querying the database for a stored acoustic room response that corresponds to the determined acoustic response of the room in which the playback device is located; and (vi) applying to the playback device a particular set of stored audio calibration settings associated with the stored acoustic room response that corresponds to the determined acoustic response of the room in which the playback device is located.

Abstract: Embodiments of systems and methods for using contextual center-of-gravity for outputting audio in collaborative environments are described. In some embodiments, an Information Handling System (IHS) may include: a processor; and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: identify a first position of a first participant and a second position of a second participant during a collaboration session; calculate a Center-of-Gravity (CoG) based, at least in part, upon the first and second positions; and output audio during the collaboration session with a level determined based upon the CoG.

Abstract: A system and method for providing low interaural coherence at low frequencies is disclosed. In some embodiments, the system may include a reverberator and a low-frequency interaural coherence control system. The reverberator may include two sets of comb filters, one for the left ear output signal and one for the right ear output signal. The low-frequency interaural coherence control system can include a plurality of sections, each section can be configured to control a certain frequency range of the signals that propagate through the given section. The sections may include a left high-frequency section for the left ear output signal and a right high-frequency section for the right ear output signal. The sections may also include a shared low-frequency section that can output signals to be combined by combiners of the left and right high-frequency sections.