Abstract: A wearable electronic device may include a wearable band and audio output transducers carried by the wearable band. The wearable electronic device may also include respective haptic actuators carried by the wearable band and adjacent respective ones of the audio output transducers. A drive circuit may be configured to concurrently drive the audio output transducers with respective first drive signals, and drive the haptic actuators with respective second drive signals different than the first drive signals.

Abstract: An apparatus including an input configured to receive at least one first audio signal from a first apparatus; an input configured to receive at least one second audio signal from a second apparatus; a distance detector configured to determine a distance between the first and the second apparatus; and a level control generator configured to generate a level control for mixing the at least one first audio signal and the at least one second audio signal based on the distance between the first and the second apparatus.

Abstract: The disclosure relates to a method, apparatus, and non-transitory computer-readable medium for triggering an execution of an operation instruction. The method includes detecting a first electrical signal generated on a signal line connected to a speaker of a device; determining that the first electrical signal includes a first signal characteristic that corresponds to one of a plurality of signal characteristics, wherein each one of the plurality of signal characteristics corresponds to a respective one of a plurality of operations; executing a first operation from the plurality of operations based on the first signal characteristic.

Abstract: An assembly may include a speaker supportable for movement relative to a reference external to the speaker and a speaker housing supporting speaker components operable to produce an audio output. A sensor is operable to sense a direction of movement of the speaker during movement of the speaker relative to the reference. Control components are operable to control the speaker components based on the direction of movement of the speaker relative to the reference. When the speaker is sensed to be moving in a first direction relative to the reference, an operational characteristic of the speaker components is controlled to increase or advance during movement in the first direction. When the speaker is sensed to be moving in a second direction relative to the reference different from the first direction, the operational characteristic of the speaker components is controlled to decrease or retreat during movement in the second direction.

Abstract: A wireless temperature maintenance container has an accommodating space accommodating a transmitter circuit and a receiver circuit. The transmitter circuit comprises a first power processing circuit and a transmitter coil. The first power processing circuit receives a utility power and outputs a first direct current. The transmitter coil receives the first direct current and generates a magnetic field. The receiver circuit comprises a receiver coil, a second power processing circuit and a temperature controller. The magnetic field passes the receiver coil and an alternating current is generated. The second power processing circuit receives the alternating current and outputs a second direct current. The temperature controller receives the second direct current to control the temperature of the container. The transmitter circuit is on the first circuit board, and the receiver circuit is on the second circuit board. Distance between the first circuit board and the second board is 2 mm˜4 mm.

Abstract: A speaker assembly is provided with a housing, at least one transducer supported by the housing, and a controller. The controller is adapted to receive a first audio signal from a first audio source and a second audio signal from a second audio source. The controller is programmed to prioritize the first audio signal and the second audio signal based on a location of the housing relative to a charging station, and to provide the highest priority audio signal to the at least one transducer.

Abstract: Media content typically includes closed captioning information such as subtitled in domestic and foreign languages. Techniques and mechanisms provide that closed captioning information may be toggled on/off using menu options and preferences as well as automatically managed by intelligently monitoring the environment surrounding a device. Device sensors such as microphones and vibration monitors determine the noise level of an environment as well as the spectral characteristics of the noise to determine whether the noise profile would interfere with the video playback experience. A particular environmental noise profile could automatically trigger the display of closed captioning information or present an easy access, otherwise unavailable toggle to display closed captioning information associated with a video stream.

Abstract: A system and method (referred to as the system) that mitigates feedback in an audio system that adjust voice signals in a vehicle. The system generates transfer function estimates from multiple loudspeakers to multiple microphones and generates maximum forward path frequency-dependent gains based on the transfer function estimates and a frequency-dependent tuning factor for each of the loudspeakers to each of the microphones. The system generates forward path frequency-dependent gains independently that are applied to multiple loudspeaker signals, each of the loudspeaker signals drive one of the loudspeakers, respectively. The forward path frequency-dependent gains are adjusted based on the maximum forward path frequency-dependent gains.

Abstract: An electronic device such as a pair of headphones may be provided with left and right speakers for playing audio to a user. Control circuitry in the electronic device may play audio through the speakers in an unreversed configuration in which left channel audio is played through a first of the speakers that is adjacent to a left ear of the user and right channel audio is played through a second of the speakers that is adjacent to a right ear of the user or a reversed configuration in which these channel assignments are reversed. A grip sensor may be used to distinguish between the user's left hand and the user's right hand. A motion sensor may detect movement as the headphones are placed on the user's head or on someone else's head. Control circuitry may use grip information and motion information to determine left and right channel assignments.

Abstract: A computerized method of processing data for use in weather modeling is provided. The method includes receiving, from a first data source, by a first server, microwave link data including signal attenuation information. The method also includes pre-processing, in real time, by the first server, the microwave link data, thereby producing pre-processed microwave link data, The method also includes storing the pre-processed microwave link data in a first data store. The method also includes receiving, from the first data store, by a second server, the pre-processed microwave link data. The method also includes processing, on a scheduled routine, by the second server, the pre-processed microwave link data using a data transform, thereby producing first weather data.

Abstract: A data encoding may be determined by examining the data itself. By examining the data, such as by identifying characteristics of the data, the data encoding may be identified and the substantive information extracted from the data by decoding the data according to the identified data encoding. The data encoding may be identified without extra control or header information separate from the encoded data itself. The identification of data encoding may be determined by a plurality of detectors examining different characteristics of the data and determining an encoding of the data based on each of those individual characteristics. The output of the detectors may be collected and used to decide the encoding of the data. One example application involves determining if audio data is DSD- or PCM-encoded audio data by examining only the data itself.

Abstract: One or more exemplary embodiments provide an electronic apparatus and control method thereof and an audio output system, the method including receiving a noise signal at a first audio output apparatus of a plurality of audio output apparatuses from the at least one first audio output apparatus; generating a noise removing signal based on the noise signal; and providing the noise removing signal to the at least one first audio output apparatus, and providing an audio signal to a second audio output apparatus of the plurality of audio output apparatuses.

Abstract: The positions of a plurality of speakers at a media consumption site are determined. Audio information in an object-based format is received. Gain adjustment value for a sound content portion in the object-based format may be determined based on the position of the sound content portion and the positions of the plurality of speakers. Audio information in a ring-based channel format is received. Gain adjustment value for each ring-based channel in a set of ring-based channels may be determined based on the ring to which the ring-based channel belongs and the positions of the speakers at a media consumption site.

Abstract: Example techniques involve determining a direction of an NMD. An example implementation includes causing two audio drivers to output audio content, where the audio drivers are positioned at a known distance apart in a given azimuthal plane and recording the audio content output by the two audio drivers. The implementation also includes causing a computing device to identify a direction of the NMD relative to a center point of the two audio drivers in the given azimuthal plane. Identifying the direction of the NMD may involve determining a range of possible azimuthal angles between the NMD and the center point, the range of possible angles dependent upon the known distance between the two audio drivers and a phase offset between the two audio drivers indicated by the recorded audio content output. The implementation further includes causing a playback device to adjust calibration based on the identified direction of the NMD.

Abstract: A voice controlled medical system with improved speech recognition includes a first microphone array, a second microphone array, a controller in communication with the first and second microphone arrays, and a medical device operable by the controller. The controller includes a beam module that generates a first beamed signal using signals from the first microphone array and a second beamed signal using signals from the second microphone array. The controller also includes a comparison module that compares the first and second beamed signals and determines a correlation between the first and second beamed signals. The controller also includes a voice interpreting module that identifies commands within the first and second beamed signals if the correlation is above a correlation threshold. The controller also includes an instrument control module that executes the commands to operate said medical device.

Abstract: Examples described herein involve validating motion of a microphone during calibration of a playback device. An example implementation involves a control device receiving an indication that the control device will begin detecting audio signals emitted from playback devices as part of a calibration process. While the control device is detecting audio signals emitted from the playback devices, the control device receives a stream of motion data indicating movement of the control device. The control device processes a first subset of the stream of motion data to determine that the first subset of the stream of motion data indicates sufficient horizontal translation of the control device occurred. Based on determining that the first subset of the stream of motion data indicates sufficient horizontal translation of the control device, the control device processes a second subset of the stream of motion data.

Abstract: A method of assessing noise involves evacuating air from a vacuum chamber to a pressure less than about 1 Torr and stimulating a device positioned in the chamber by shaking it or by operating a component of the device. Measuring vibrations in a low pressure environment decreases or eliminates propagation of sound waves, thereby enabling isolation and identification of vibrations caused by mechanical noise. These measurements may be useful for more precise acoustic characterization of audio devices containing multiple components.

Abstract: The present disclosure relates to a method and system for determining the sensitivity of a first microphone, the method comprising providing an acoustic coupler having at least one internal cavity configured such that a sound field can be generated within the cavity, the cavity being further in acoustic communication with a reference microphone configured to measure the reference sound pressure at a given position in said cavity, the cavity being further provided with an inlet opening configured to establish acoustic communication between the sound inlet of said first microphone, the sensitivity of which is to be determined.

Abstract: A system, method, and computer-readable medium for an audio processing system which compensates for environment parameters to enhance audio inputs and outputs of an information handling system. More specifically, in certain embodiments, the audio processing system accounts for environmental characteristics including some or all of shape, size, materials, occupant, quantity, location and occlusions.

Abstract: Microphone distortion reduction is presented herein. A system can comprise: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: obtaining a pressure-in to voltage-out transfer function representing a distortion of an output of a microphone corresponding to a stimulus of a defined sound pressure level that has been applied to the microphone; inverting an equation representing the pressure-in to voltage-out transfer function to obtain an inverse transfer function; and applying the inverse transfer function to the output to obtain a linearized output representing the stimulus. In one example, the obtaining of the pressure-in to voltage-out transfer function comprises: creating an ideal sine wave stimulus comprising the amplitude and fundamental frequency of the time domain waveform; and generating the equation based on a defined relationship between the ideal sine wave stimulus and the time domain waveform.

Abstract: A method, system, and apparatus for noise cancelation is disclosed herein, which may be used in a wireless unit (WU) and a headset removably connected to the WU. The WU may include a processor, a memory, a user interface, internal microphones and internal speakers. The headset may include microphones and speakers, and be powered by the WU. The WU may receive an ambient noise from a headset microphone, which may generate a signal based on the ambient noise. The WU processor may then calculate an estimate of the ambient noise based on the signal, calculate an inverse of the estimated ambient noise based on the estimate of the ambient noise, cancel the estimated ambient noise from an audio output signal based on the application of the inverse of the estimated ambient noise, and send the audio output signal to the speakers of the headset or the WU.

Abstract: The present disclosure relates to the wireless communication of information for a hearing assistance device including a multi-mode radio adapted to provide communications at different frequencies using frequency control. In applications of hearing aids, the processor is adapted to perform correction of sound for a hearing impaired user. In certain examples the present subject matter provides an inductive portion for inductive communications. In various applications the multi-mode radio can be used for long range and short range communications.

Abstract: An example implementation may involve a control device receiving, from a first playback device of a media playback system, a calibration state variable indicating that the first playback device is uncalibrated. The control device may cause a graphical interface to display an indication that the first playback device is uncalibrated. The control device may also cause the graphical interface to display a selectable control that, when selected, initiates calibration of the first playback device. Based on detecting selection of the selectable control, the control device may initiate calibration of the first playback device.

Abstract: A method for determining the orientation of a loudspeaker relative to a listening device is described. The method simultaneously drives each transducer to emit beam patterns corresponding to distinct orthogonal audio signals. The listening device senses sounds produced by the orthogonal audio signals and analyzes the sensed audio signal to determine the spatial orientation of the loudspeaker relative to the listening device. Other embodiments are also described.

Abstract: A digital camera with audio, visual and motion analysis includes a digital processor, an input processing system, and one or more imaging sensors, sound sensors, and motion sensors. In a non-limiting embodiment, the input processing system including non-transitory computer readable media including code segments, executable by the digital processor, for real-time audio, visual and motion analysis to develop a digital model of an ambient environment of the digital camera from data derived from the imaging sensor(s), sound sensor(s) and motion sensor(s).

Abstract: An audio processing apparatus is configured to process audio signals from a plurality of sources. The audio processing apparatus may include a digital interface to receive status data indicating a status of at least one source, and an optical output device having a plurality of groups of graphics display areas which are respectively assigned to one of a plurality of audio channels of the audio processing apparatus. The audio processing apparatus may also include a control device configured to receive the status data, to determine at least one group of graphics display areas based on the received status data, and to control a graphics display area of the determined at least one group to display graphics generated based on the received status data.

Abstract: A method of controlling the output according to a type of connector and an electronic device adapted to the method are provided.

Abstract: A method for receiving a sound generated from a moving subject and an electronic device implementing the same are provided. The method includes confirming a position of a subject so as to intensively receive a sound generated from the subject, photographing a moving image, selecting at least one subject among subjects included in the photographed moving image, obtaining movement information of the selected subject, and adjusting a major sound capture region based on the obtained movement information of the subject.

Abstract: A wearable device providing responsive visual feedback is provided. The wearable device includes a wearable device housing, at least one lighting element associated with the housing for providing, visual feedback, a processor disposed within the wearable device housing, the processor operatively connected to the at least one lighting element, a plurality of sensors operatively connected to the processor, wherein the processor is programmed to determine a mode of operation using sensed data from the plurality of sensor, and wherein the processor is programmed to control the at least one lighting element to convey visual feedback based on the mode of operation determined by the processor.

Abstract: The present invention relates to a method and a system for estimating acoustic noise levels. The invention may advantageously be applied in systems comprising multiple audio communication devices, such as e.g. telephones, mobile phones, headsets and headset base stations. It is an object of the present invention to provide respectively a method for estimating acoustic noise levels and a system for estimating acoustic noise levels, which enable a more efficient use of resources and may reduce cluttering in offices and other working environments than the prior art.

Abstract: An apparatus including an input configured to receive at least one first audio signal from a first apparatus; an input configured to receive at least one second audio signal from a second apparatus; a distance detector configured to determine a distance between the first and the second apparatus; and a level control generator configured to generate a level control for mixing the at least one first audio signal and the at least one second audio signal based on the distance between the first and the second apparatus.

Abstract: This disclosure relates to fitting and adjusting hearing assistance devices, including but not limited to hearing aids, using multiple programmers. A method is provided for using multiple programmers for hearing assistance devices. The method includes automatically detecting the programmers using fitting software on a personal computer. The method also includes communicating with each of the programmers simultaneously using the software to automatically detect hearing assistance devices compatible with the software. In certain variations if hearing assistance devices are detected on more than one programmer, a user is prompted to select a programmer. In certain variations, if hearing assistance devices are detected on one programmer, a fitting session is initiated for the detected hearing assistance devices.

Abstract: The sound collection and reproduction system reproduces comprise: a microphone array selection unit which selects a microphone arrays; an area sound collection unit which collects sounds of all areas by using the microphone arrays; an area sound selection unit which selects an area sound of an area corresponding to a specified listening position, and area sounds of surrounding areas of this area corresponding to a listening direction, in accordance with a sound reproduction environment; an area volume adjustment unit which adjusts a volume of each area sound unit in accordance with a distance from the specified listening position; and a stereophonic sound processing unit which performs a stereophonic sound process, for each area sound to which volume adjustment has been performed by the area volume adjustment unit, by using a transfer function corresponding to a sound reproduction environment.

Abstract: A method of streaming an audio signal from an audio transmission device to first and second audio receiver devices via a Bluetooth link using a protocol that requires an audio data packet to be retransmitted if a positive packet receipt is not received. The first audio receiver device is synchronized to the audio transmission device to enable the first audio receiver device to receive an audio signal stream from the audio transmission device, the second audio receiver device is synchronized to the audio transmission device to enable the second audio receiver device to eavesdrop the audio signal stream to the first audio receiver device. When a positive packet receipt acknowledgement is not transmitted from the first audio receiver device to the audio transmission device, the audio transmission device repeats transmission of that audio data packet irrespective of whether the packet has been correctly received by the first audio receiver device.

Abstract: A method is provided for causing a processor included in a speaker system to execute operations. The operations include acquiring, using a measurement microphone, reflected sound information regarding an effect of sounds that are played back by a plurality of speakers having predetermined directivity and that are reflected off an object, where the plurality of speakers are included in the speaker system. The operations also include calculating correction coefficients used to correct acoustic characteristics of the plurality of speakers on the basis of the acquired reflected sound information. The operations further include correcting the acoustic characteristics of the plurality of speakers using the calculated correction coefficients.

Abstract: Described herein is a system for testing wireless interaction of a system for reproduction of audio signals, in particular a user-interface device of a motor vehicle configured for reproducing audio signals, with a mobile phone, said reproduction system and said mobile phone being configured for communicating over a wireless communication channel for short-range communications. According to the invention, the above system comprises a module for simulation of a mobile phone, comprising processing means configured for simulating operation of a mobile phone, said module for simulation of a mobile phone being associated in a signal-exchange relationship to a short-range wireless transceiver module configured for communicating via said wireless communication channel with the system for reproduction of audio signals.

Abstract: The disclosed acoustic device and method of using the same allow perception of a bright, clear sound. In an acoustic device (1) for transmitting sound to a user through vibration conduction by contacting a vibrating body (10a) to a human auricle, when a measurement system (10), provided with an ear model (50) including an artificial auricle (51) and an artificial external ear canal (53) and with a microphone (62) that measures air-conducted sound in the artificial external ear canal (53), measures the air-conducted sound upon the acoustic device (1) outputting a fundamental frequency at a predetermined frequency in an audible frequency band while placed in contact with the ear model (50), three or more harmonics at or above the sixth harmonic and having a volume exceeding a volume 45 dB below the volume of the fundamental frequency are measured.

Abstract: Disclosed herein are example techniques for acoustic position measurement in an example listening environment. One example includes determining a requirement for position information of a speaker-equipped device within a room in which a media playback system is located, and in response to determining the requirement for position information of the speaker-equipped device, determining a position of the speaker-equipped device relative to a microphone-equipped device of the media playback system based at least in part on a test sound emitted from the speaker-equipped device. After determining the position of the speaker-equipped device relative to the microphone-equipped device, some examples further include configuring one or more audio configuration parameters of the media playback system based on the position of the speaker-equipped device relative to the microphone-equipped device.

Abstract: Examples described herein involve identifying one or more error conditions during calibration of one or more playback devices in a playback environment. A microphone of a network device may detect and sample an audio signal while the one or more playback devices in the playback environment plays a calibration tone. A processor of the network device may then receive, from the microphone, a stream of audio data. The audio data may include an audio signal component and a background noise component. As a subset of the audio data is received, the processor may identify based on at least the subset of audio data, the one or more error conditions. The processor may then cause a graphical display to display a graphical representation associated with the identified error condition.

Abstract: A method is provided for testing a MEMS microphone. The MEMS microphone includes a pressure sensor positioned within a housing and a pressure input port to direct acoustic pressure from outside the housing towards the pressure sensor. An acoustic pressure source provides acoustic pressure to the MEMS microphone. A reference microphone is positioned proximal to the MEMS microphone. An output signal of the MEMS microphone and an output signal of the reference microphone are compared. A common signal component is removed from the output signal of the MEMS microphone and the output signal of the MEMS microphone is analyzed for noise due to the construction of the device and for a signal-to-noise ratio of the device. Based on the noise signal and the signal-to-noise ratio, the MEMS microphone is rejected or accepted.

Abstract: A method of optimizing social interaction between a robot and a human. The method comprises generating then executing a robot motion script for interaction with a human by a robot based on a characteristic detected by at least one of a plurality of sensors on the robot. The method further comprises detection, by at least one sensor of the robot, a reaction of the human during a first period. The robot then analyzes the reaction of the human and assigns a positive or negative classification to the reaction based on pre-defined mapping stored in the memory of the robot. The method further comprises modifying the robot motion script to incorporate a pre-defined modification based on the determination of a negative classification of the human reaction. The method further comprises executing the modified robot motion script during a second period to obtain an improved interaction with the human.

Abstract: An audio output control method and apparatus using a wired/wireless communication system is provided. An audio output control method of an audio output device connected to at least one other audio output device according to the present disclosure includes converting specific audio data to at least one modified audio signal designated to the respective audio output devices, playing at least one of the modified audio signals through a channel designated to the specific audio data, and transmitting a remaining of the modified audio signals to the at least one other audio output device, wherein the modified audio signals include at least one of sound sources and channel characteristics of the specific audio data.

Abstract: Example techniques involve determining a direction of an NMD. An example implementation includes causing two audio drivers to output audio content, where the audio drivers are positioned at a known distance apart in a given azimuthal plane and recording the audio content output by the two audio drivers. The implementation also includes causing a processing device to identify a direction of the NMD relative to a center point of the two audio drivers in the given azimuthal plane. Identifying the direction of the NMD may involve determining a range of possible azimuthal angles between the NMD and the center point, the range of possible angles dependent upon the known distance between the two audio drivers and a phase offset between the two audio drivers indicated by the recorded audio content output. The implementation further includes causing a playback device to adjust calibration based on the identified direction of the NMD.

Abstract: When a driving module is performing processing of vibrating a piezoelectric vibration module based on a sound signal in an electronic apparatus, a determination module determines whether or not an ear putting position specified by an ear putting position specifying module is close to a reference position. When the processing is being performed, a notification module notifies the user at least one of that the ear putting position is appropriate and that the ear putting position is inappropriate, based on a determination result of the determination module.

Abstract: Loudspeaker drivers used in audio systems are subject to performance variance caused by production deviation of components and assembly processes and consequently audio system performance is influenced by the mechanical attributes of individual loudspeaker drivers of which the audio systems are comprised. This invention provides a solution to minimize the variance of duplicate audio system performance by rectifying the signal processing to minimize loudspeaker variance in duplicated or mass production audio systems.

Abstract: A method of operating an audio monitoring system includes generating with a sound sensor audio data corresponding to a sound event generated by an object in a scene around the sound sensor, identifying with a processor a type and action of the object in the scene that generated the sound with reference to the audio data, generating with the processor a timestamp corresponding to a time of the detection of the sound event, and updating a scene state model corresponding to sound events generated by a plurality of objects in the scene with reference to the identified type of object, action taken by the object, and the timestamp. The method further includes identifying a sound event in the scene with reference to the scene state model and a predetermined scene grammar stored in a memory, and generating with the processor an output corresponding to the sound event.

Abstract: An environmental analysis system and method. Remote sensing devices detect nonvisual information. One or more loudspeakers are each associated with one or more of the plurality of remote sensing devices to determine acoustic properties of an area. Another implementation relates to a method for environmental analysis where non-visual information is detected. The non-visual information is classified and is communicated to a server.

Abstract: A speaker impedance may be determined by monitoring a voltage and/or current of the speaker. The calculated impedance may be used to determine whether the mobile device containing the speaker is on- or off-ear. The impedance determination may be assisted by applying a test tone low level signal to the speaker. The test tone may be inaudible to the user, but used to determine an impedance of the speaker at the frequency of the test tone. The impedance at that test tone may be used to determine whether a resonance frequency of the speaker is at a frequency corresponding to an on- or off-ear condition. The measured speaker impedance may be provided as feedback to an adaptive noise cancellation (ANC) algorithm to adjust the output at the speaker. For example, when the mobile device is removed from the user's ear, the ANC algorithm may be disabled.

Abstract: A system and method are provided for processing sound signals. The processing may include identifying individual harmonic sounds represented in sound signals, determining sound parameters of harmonic sounds, classifying harmonic sounds according to source, and/or other processing. The processing may include transforming the sound signals (or portions thereof) into a space which expresses a transform coefficient as a function of frequency and chirp rate. This may facilitate leveraging of the fact that the individual harmonics of a single harmonic sound may have a common pitch velocity (which is related to the chirp rate) across all of its harmonics in order to distinguish an the harmonic sound from other sounds (harmonic and/or non-harmonic) and/or noise.

Abstract: A system and method are provided for displaying a frequency response for a sound system design. Coverage map data is processed for a listening area. The coverage map data comprises a plurality of samples. Frequency response data is computed for each sample. The frequency response data is accumulated into a plurality of distributions. A statistical frequency response display is generated based on the distributions.