Thu, 25 Aug 2016 08:00:00 EDTA method for estimating a distance between a first and a second loudspeaker characterized by playing back a first stereo source signal vector s1 on the first loudspeaker, and playing back a second stereo source signal vector s2 on the second loudspeaker, acquiring a first recorded signal vector x1, using a first microphone arranged adjacent to the first loudspeaker, and acquiring a second recorded signal vector x2 from a second microphone arranged adjacent to the second loudspeaker, wherein x1 and x2 are N-dimensional vectors, setting the distance equal to ηv/f, where v is the speed of sound, f is the sampling frequency, and η is an estimated sample delay of a source signal played back on one of the loudspeakers and a recording acquired by a microphone at the other loudspeaker.
Thu, 25 Aug 2016 08:00:00 EDTA system and a method for evaluating an acoustic transfer function, wherein the acoustic transfer function is a transfer function from one acoustic source to a reproduction area sampled by a limited number of microphone modules.
Thu, 25 Aug 2016 08:00:00 EDTA method for processing an audio signal includes: decomposing an audio signal comprising spatial information into a set of audio signal components; and processing a first subset of the set of audio signal components according to a first processing scheme and processing a second subset of the set of audio signal components according to a second processing scheme different from the first processing scheme, wherein the first subset comprises audio signal components corresponding to at least one frontal signal source and the second subset comprises audio signal components corresponding to at least one ambient signal source; and wherein the second processing scheme is based on crosstalk cancellation.
Thu, 25 Aug 2016 08:00:00 EDTA system providing various improved processing techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Transducers are then controlled to create an acoustic field exhibiting the desired amplitude at each of the control points. When human skin interacts with the acoustic field, vibrations of the skin are interpreted by mechanoreceptors being excited and sending signals to the brain via the nervous system. Improved processing techniques allow for more efficient real-world operation.
Thu, 25 Aug 2016 08:00:00 EDTThe present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing an audio signal, and more particularly, to a method and an apparatus for processing a signal, which are used for implementing binaural rendering for reproducing multi-channel or multi-object audio signals in stereo with a low calculation amount. To this end, provided are a method for processing an audio signal including: receiving multi-audio signals including multi-channel or multi-object signals; receiving truncated subband filter coefficients for filtering the multi-audio signals, the truncated subband filter coefficients being at least a portion of subband filter coefficients obtained from a binaural room impulse response (BRIR) filter coefficient for binaural filtering of the multi-audio signals, and the lengths of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients; and filtering the subband signal by using the truncated subband filter coefficients corresponding to each subband signal of the multi-audio signals and an apparatus for processing an audio signal using the same.
Thu, 25 Aug 2016 08:00:00 EDTThe present invention relates to a loudspeaker 1 including a cone 20 having a central aperture with a cone collar 28 upstanding from the perimeter of the central aperture 26 of the cone, a spider 30 having a central aperture 36, the spider having a collar 38 upstanding from the perimeter of the central aperture of the spider, and a voice coil former 40. The collar of each of the cone and the spider are concentrically located around an end region of the voice coil former to form an elongate neck region 12. The use of the elongate neck region allows for the cone, spider and voice coil former to be joined more easily therefore forming a more reliable and durable join.
Thu, 25 Aug 2016 08:00:00 EDTA mating assurance system includes first and second microphones configured to be located in a vicinity of a mating zone for electrical connectors. The first microphone is located a first distance from the mating zone and the second microphone being located a second distance from the mating zone. The first and second microphones are configured to detect audible sound when the electrical connectors are mated. An output unit is connected to the first and second microphones and receives audio signals from the first and second microphones. The output unit processes the audio signals from the first microphone and from the second microphone for mating assurance.
Thu, 25 Aug 2016 08:00:00 EDTThe invention relates to a module for detecting acoustical failure of a sound source, the module comprising:—a waveguide comprising a duct having a first end and a second end, wherein a sound source support is arranged at the second end of the duct for supporting the sound source during detection;—a number of microphones arranged to measure the sound pressure inside the duct, the microphones being configured to provide at least one microphone signal representative of the measured sound pressure;—a signal processing unit configured to process the at least one microphone signal so as to provide at least one measure representative of the acoustical quality of the sound source.
Thu, 25 Aug 2016 08:00:00 EDTA hearing instrument and a method for operating a hearing instrument is provided. The hearing instrument and/or the method includes a tinnitus relief sound.
Thu, 25 Aug 2016 08:00:00 EDTAn analysis unit is associated with a hearing aid but formed separately therefrom and set up for unidirectional signal transmission to the hearing. The analysis unit is used to ascertain a wearer-specific problem with the current operating state and storing the problem in the analysis unit as a first data record element. The analysis unit then outputs a control signal to the hearing aid, with reception thereof prompting the hearing aid to store a number of operating data as a second data record element. These two data record elements are later retrieved from the analysis unit and the hearing aid by a setting unit, connected and evaluated, and then new hearing aid settings are ascertained for the hearing aid.
Thu, 25 Aug 2016 08:00:00 EDTA hearing aid, in particular a behind-the-ear hearing aid, has a housing to be worn behind an ear of a user, and a receiver which, in order to transmit sound to the ear, is connected to a sound tube having a housing-side end on which a plug connector is arranged. The plug connector is connected releasably to the housing. The hearing aid is characterized in that the plug connector contains a holder for the receiver, and the receiver is a component part of the plug connector.
Thu, 25 Aug 2016 08:00:00 EDTA system and method for improving hearing is disclosed. The system includes a microphone array that includes an enclosure, a plurality of beamformer microphones and an electronic processing circuitry to provide enhanced audio signals to a user by using information obtained on the position and orientation of the user. The system is preferably in the form of a smartphone having a retractable piece having the beamformer microphones mounted thereon. The system may also include a corresponding method for improving hearing and a non-transitory computer storage media having instructions stored thereon which, when executed, execute the method.
Thu, 25 Aug 2016 08:00:00 EDTA binaural hearing device has first and second hearing aids and a control device. Each hearing aid has a communication unit, an audio receiver and an earphone. The communication units are configured for reciprocal data transmission by inductive coupling. The audio receivers receive and process stereophonic audio data. The control device switches one of the hearing aids to an inactive audio reception state and the other to an active audio reception state, swaps the audio reception states of the hearing aids within an operating period based on a signal strength of the audio signal of one hearing aid at a time, and drives the hearing aid with the active audio reception state to transmit audio data to the hearing aid with the inactive audio reception state via the communication units.
Thu, 25 Aug 2016 08:00:00 EDTThe application relates to a hearing device comprising a) a forward path between an input transducer for converting an input sound to an electric input signal and an output transducer for converting an electric output signal to an output sound, the forward path comprising a signal processing unit for applying a level and/or frequency dependent gain to the electric input signal or a signal originating therefrom and for providing a processed signal, and feeding the processed signal or a signal originating therefrom to the output transducer, an acoustic feedback path being defined from said output transducer to said input transducer; b) a configurable anti-feedback system comprising a feedback estimation unit for providing an estimate of said acoustic feedback path; c) a number of detectors, each providing a detector signal for characterizing a signal of the forward path. The object of the present application is to save power in a hearing device. The problem is solved in that the hearing device further comprises an activation control unit configured to control the anti-feedback system based on said detector signals, and to bring the anti-feedback system into one of at least two predefined modes based on said detector signals, said at least two predefined modes comprising an ON-mode and an OFF-mode. The invention may e.g. be used in hearing aids, headsets, ear phones, active ear protection systems, or similar portable devices, where a need for feedback cancellation and low power consumption is important.
Thu, 25 Aug 2016 08:00:00 EDTA hearing device includes: a microphone for reception of sound and conversion of the received sound into a corresponding first audio signal; a processing unit for providing a second audio signal compensating a hearing loss of a user of the hearing aid based on the first audio signal; and a receiver for providing an output sound signal based on the second audio signal; wherein the processing unit comprises a band splitter, a pitch shifter, and a frequency shifter, and wherein the pitch shifter and the frequency shifter are arranged in a first channel for performing frequency mapping.
Thu, 25 Aug 2016 08:00:00 EDTA loudspeaker includes a frame, a diaphragm, an edge, a magnetic circuit, and a voice coil body. The magnetic circuit includes a magnet and a bottom plate. The bottom plate includes an installation part and a plurality of arms. The installation part is located on the first side of the magnet and is magnetically connected to the magnet. The arms project from the installation part toward the outer periphery and are connected to the frame.
Thu, 25 Aug 2016 08:00:00 EDTA loudspeaker is provided. The loudspeaker includes a housing, a conical frame, a diaphragm, an inner surround portion, a magnetic assembly, a voice coil, and a double-roll surround structure. The conical frame has an upper portion formed with an opening The diaphragm is located at the upper portion and circumscribed by the opening. The edge of the diaphragm and the edge of the conical frame defining the opening are connected by the inner surround portion. The magnetic assembly is disposed on a lower portion of the conical frame. The voice coil is below the diaphragm and corresponds to the magnetic assembly. The edge of the conical frame and the housing are connected by the double-roll surround structure.
Thu, 25 Aug 2016 08:00:00 EDTAn optimised method for driving a loudspeaker is used for protecting the loudspeaker from damage due to excessive excursion or from overheating. The playback power of an incoming audio data stream is compared with a feedback power derived from the loudspeaker actuator and the comparison is used to adjust the frequency response of the loudspeaker, across individual sub bands.
Thu, 25 Aug 2016 08:00:00 EDTAn earphone device (1) to be worn in the ear, which earphone device (1) comprising a main body (18) to be arranged in the concha (19) of the outer ear (14) of a user and an optical sensor (35), which optical sensor (35) comprises a light emitter (16) and a light detector (17). The earphone device (1) comprises window means (8, 9) through which light emitted by the light emitter (16) can be transmitted. The window means (8, 9) comprises an end face (31) adapted to abut a conchal wall (37) at a sensing position (36). The main body (18) comprises a speaker protrusion (26) to be inserted into to ear canal (15). The distance between the speaker protrusion (26) and the end face (31) is adjustable.
Thu, 25 Aug 2016 08:00:00 EDTSound source localization using sensor fusion is presented herein. A device can include a sensor component that is configured to receive, from microphone(s), acoustic information corresponding to a sound source, and receive, from a set of sensors, motion information corresponding to the device. Further, the device can include a sensor fusion component that is configured to determine, based on the acoustic information and the motion information, coordinate information representing a location of the device with respect to the sound source, and send the coordinate information directed to a computing device. In an example, the sensor fusion component can determine an orientation of the device based on the motion information, and determine the coordinate information based on the orientation. In another example, the sensor fusion component can determine an angle of arrival of an acoustic wave from the sound source, and determine the coordinate information based on the angle of arrival.
Thu, 25 Aug 2016 08:00:00 EDTAn acoustic insert for lining a loudspeaker reflex port, the insert comprising an elongate hollow tube formed of a flexible material, having an outer wall sized and configured to seat within the port and an inner wall extending in the elongate direction, the inner wall having a circumference which varies along the length of the insert, When inserted in a port, the insert alters the port resonance so as to vary the acoustic performance of the loudspeaker.
Thu, 25 Aug 2016 08:00:00 EDTA loudspeaker cabinet having at least one side wall defining a side wall perimeter; a front wall mounted to the at least one side wall along the side wall perimeter, the front wall having a front surface; wherein a central area of the front surface is positioned within the side wall perimeter, an extended area of the front surface extends beyond the side wall perimeter, and a portion of the extended area is configured to provide a gradual transition to open free space.
Thu, 25 Aug 2016 08:00:00 EDTHeadphone-earphone hybrid, where the headphones are combined with ‘in-ear’ phones. The outer headphones covering the ear will also have inner earphones which cover or are inserted into the user's ear canal. Both the outer headphone and the inner earphone will emit the same sound simultaneously.
Thu, 25 Aug 2016 08:00:00 EDTAn electronic audio device for use with at least one earpiece or a pair of earpieces, or a pair of earpieces in a headphone, each earpiece having a microphone and a speaker located therein, including circuitry operatively coupled to the microphone and speaker, and a processor operatively coupled to evaluate a seal quality of the earpiece to a user's ear based on seal quality measurements made while driving or exciting a signal into the speaker located in the earpiece and where the processor is configure to generate a visual or audio message identifying whether at least one earpiece is properly sealed based on the seal quality measurements.
Thu, 25 Aug 2016 08:00:00 EDTA backward compatible system and method for using 4P audio jack in an electronic device to provide power and signal to headset with active noise cancellation (ANC) as well as accessories that require an external power are disclosed. The method involves automatically deciding at the electronic device accessory type after accessory insertion detected and choosing proper accessory communication mode based at least on the decided accessory type and accessory input signal. The accessory communication mode may be an accessory power mode or an accessory microphone mode.
Thu, 25 Aug 2016 08:00:00 EDTA headphone listening device may include a first speaker and a second speaker interconnected by a head support, at least one sensor configured to detect a speaker displacement of the first speaker relative to the second speaker, and a controller configured to apply at least one speaker attribute to at least one of the first speaker and second speaker based on the speaker displacement.
Thu, 25 Aug 2016 08:00:00 EDTA jack for preventing a headphone from inputting double audio sources includes: an audio jack set including a left audio jack and a right audio jack, which are respectively provided on bottoms of a left earpiece and a right earpiece of a headphone and for connecting an audio connector. The left audio jack includes a first common grounding contact, a first conductive terminal and a second conductive terminal. The right audio jack includes a second common grounding contact, a third conductive terminal and a fourth conductive terminal. Two audio jacks are provided for users to select. Simple mechanical switches are additionally provided, which only allow one inputted audio signal to input to a left earpiece and a right earpiece of the headphone for playing audio, and thus are capable of preventing users from inputting two different audio sources to the headphone simultaneously.
Thu, 25 Aug 2016 08:00:00 EDTAn audio headphone to couple to a strap for a head-mounted display is disclosed. The audio headphone includes a headphone speaker, a strap connector, and a four-bar linkage coupled to the strap connector to provide inward and outward movement of the headphone speaker with respect to a user's ear. The four-bar linkage comprises a first member coupled to the strap connector via a first joint, a second member coupled to the first member via a second joint, a third member coupled to the second member via a third joint, and a fourth member connected to the third member and coupled to the first member via a fourth joint. The fourth member is further coupled to the strap connector via a fifth joint. The third member comprises one or more rigid poles extending from the second member to the fourth member and surrounded by one or more respective elastic springs.
Thu, 25 Aug 2016 08:00:00 EDTAn electronic device may have a housing in which a display and other components are mounted. Audio components such as a speaker and microphone and other electrical components may be mounted in an interior portion of the housing. A housing port may be formed from one or more openings that pass through the housing. The audio or other component may be aligned with the housing port. A shutter may be interposed between the component and the housing port. The shutter may have an electrically controlled positioner for positioning a movable shutter member. The shutter may be closed by placing the shutter member in a position in which the openings are blocked, preventing intrusion of contaminants into the interior portion of the housing. The shutter may be opened by placing the shutter member in a position in which the openings are unblocked, allowing sound to pass through the housing port.
Thu, 25 Aug 2016 08:00:00 EDTA microphone device includes an audio signal output circuit that balanced-outputs, through a balanced transmission line, an audio signal output from a condenser microphone unit, a balanced output terminal including a hot terminal, a cold terminal, and a ground terminal connected to the balanced transmission line, a power supply circuit that supplies a phantom power supply to the audio output circuit from the balanced output terminal through the balanced transmission line, and a display circuit including light emitting elements that perform lighting and non-lighting according to an operation of a manual switch, and the display circuit includes constant current elements that generate a constant current through the balanced transmission line, a constant voltage element connected to the constant current elements and which generates a constant voltage, and light emitting elements connected to the constant current elements, and to which the constant voltage by the constant voltage element is applied.
Thu, 25 Aug 2016 08:00:00 EDTIn the present invention, a device is provided with a main surface member, a piezoelectric body plate, a first support part, and a housing. The main surface member is used as a vibration plate. The piezoelectric body plate vibrates according to an electric signal. The first support part supports the piezoelectric body plate. The housing has a second support part that supports the main surface member and extends in a prescribed direction that intersects the main surface member. The first support part is secured to the second support so that the second support part vibrates in the prescribed direction according to the vibration of the piezoelectric body plate. The vibration of the piezoelectric body plate is transmitted to the main surface member via the first support part and the second support part, and due to this the main surface member vibrates to generate a sound.
Thu, 25 Aug 2016 08:00:00 EDTProvides is a waterproof sound-permeable membrane (10) adapted to permit passage of sound and prevent entry of water. The waterproof sound-permeable membrane (10) includes a sound-permeation region (11) having a polytetrafluoroethylene (PTFE) membrane (20). The polytetrafluoroethylene membrane (20) has an average pore diameter of 0.02 μm or more and 0.1 μm or less as measured according to ASTM F316-86 and has a porosity of 5% or more and 25% or less. The waterproof sound-permeable membrane (10) is suitable for application to an electronic device containing an acoustic device.
Thu, 25 Aug 2016 08:00:00 EDTDisclosed are advances in the arts with novel and useful electronic circuitry with pop and click noise reduction. A load circuit is connected with a full or single-ended half-H bridge circuit and another circuit mechanism in a configuration by which a signal may be used to selectably bring the load circuit terminals to a selected voltage level when an externally applied signal is not present.
Thu, 25 Aug 2016 08:00:00 EDTThe invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal is modified in response to calculations performed at least in part in the perceptual (psychoacoustic) loudness domain. The invention is useful, for example, in one or more of: loudness-compensating volume control, automatic gain control, dynamic range control (including, for example, limiters, compressors, expanders, etc.), dynamic equalization, and compensating for background noise interference in an audio playback environment. The invention includes not only methods but also corresponding computer programs and apparatus.
Thu, 25 Aug 2016 08:00:00 EDTThe present invention relates to an apparatus for improving a perception of a sound signal, the apparatus comprising: a separation unit configured to separate the sound signal into at least one speech component and at least one noise component; and a spatial rendering unit configured to generate an auditory impression of the at least one speech component at a first virtual position with respect to a user, when output via a transducer unit, and of the at least one noise component at a second virtual position with respect to the user, when output via the transducer unit.
Thu, 25 Aug 2016 08:00:00 EDTAn audio decoder for providing at least four bandwidth-extended channel signals on the basis of an encoded representation provides first and second downmix signals on the basis of a jointly encoded representation of the first and second downmix signals using a multi-channel decoding and provides at least first and second audio channel signals on the basis of the first downmix signal using a multi-channel decoding, and provides at least third and fourth audio channel signals on the basis of the second downmix signal using a multi-channel decoding. It performs a multi-channel bandwidth extension on the basis of the first and third audio channel signals, to obtain first and third bandwidth-extended channel signals, and performs a multi-channel bandwidth extension on the basis of the second and fourth audio channel signals, to obtain second and fourth bandwidth extended channel signals. An audio encoder uses a related concept.
Thu, 25 Aug 2016 08:00:00 EDTA multi-channel audio decoder for providing at least two output audio signals on the basis of an encoded representation is configured to render a plurality of decoded audio signals, which are obtained on the basis of the encoded representation, in dependence on one or more rendering parameters, to obtain a plurality of rendered audio signals. The multi-channel audio decoder is configured to derive one or more decorrelated audio signals from the rendered audio signals, and to combine the rendered audio signals, or a scaled version thereof, with the one or more decorrelated audio signals, to obtain the output audio signals. A multi-channel audio encoder provides a decorrelation method parameter to control an audio decoder.
Thu, 25 Aug 2016 08:00:00 EDTTechniques are disclosed for synchronizing gain adjustments across a cascaded network of audio gain stages having variant operating delays. In particular, a delay-synchronized volume adjustment system configured in accordance with an embodiment of the present disclosure includes a controller operatively coupled to the cascaded network of audio and configured to apply gain adjustments in a synchronized manner that accounts for operating delays that are inherent to each gain stage. In an embodiment, the controller synchronously adjusts each gain stage relative to a corresponding operating delay such that gain adjustments fully propagate at substantially a same point in time within a given acceptable tolerance, and thus, eliminates or otherwise mitigates perceivable volume shifts when mixing audio from two or more audio sources.
Thu, 18 Aug 2016 08:00:00 EDTA virtual stereo synthesis method includes acquiring at least one sound input signal on a first side and at least one sound input signal on a second side, separately performing ratio processing on a preset head related transfer function (HRTF) left-ear component and a preset HRTF right-ear component of each sound input signal on the second side, to obtain a filtering function of each sound input signal on the second side, separately performing convolution filtering on each sound input signal on the second side and the filtering function of the sound input signal on the second side, to obtain the filtered signal on the second side, and synthesizing all of the sound input signals on the first side and all of the filtered signals on the second side into a virtual stereo signal where the method may alleviate a coloration effect, and reduce calculation complexity.
Thu, 18 Aug 2016 08:00:00 EDTA sound field measuring device (1) includes an external output unit (6) configured to output a measurement signal composed of a periodic function having a code length of 2n−1 (n is a natural number) to a speaker (9), a microphone (7) configured to pick up the measurement signal outputted from the speaker (9), a Fourier transform unit (12) configured to obtain frequency characteristics by Fourier transforming measurement sound picked up with a sample length of 2m (m is a natural number), a thinning-out unit (13) configured to remove line spectra except for the (k×2m-n+1)th line spectra (k=0, 1, 2, and the like) from the obtained frequency characteristics, and an averaging unit (14) configured to obtain averaged frequency characteristics of a sound field on the basis of frequency characteristics thinned-out.
Thu, 18 Aug 2016 08:00:00 EDTAn audio apparatus generates drive signals for a plurality of loudspeakers (101) and comprises a receiver (103) for receiving an audio signal. A divider (105) divides typically a low frequency part of the audio signal into a plurality of audio subbands thereby providing a subband signal for each audio subband of the audio subbands. An analyzer (109) generates acoustic room response indications for each loudspeaker (101) for at least one subband. The indications may be indicative of a coupling of the individual loudspeaker to any room resonances in the individual subbands. A generator (107) generates the drive signals from the subband signals with the generator (107) being arranged to distribute at least a first subband signal of a first subband to the drive signals in response to the acoustic room response indications for the first subband. The analyzer (109) is being arranged to generate a first acoustic room response indication for a first loudspeaker (101) of the plurality of loudspeakers (101) and the first subband in response to a determination of a coupling of the first loudspeaker to at least one room resonance of an acoustic environment for the first loudspeaker (101). The apparatus may mitigate or reduce audio distortions caused by excitation of room resonances in a room.
Thu, 18 Aug 2016 08:00:00 EDTAn audio processing system, such as an upmixer, may be capable of separating diffuse and non-diffuse portions of N input audio signals. The upmixer may be capable of detecting instances of transient audio signal conditions. During instances of transient audio signal conditions, the up-mixer may be capable of adding a signal-adaptive control to a diffuse signal expansion process in which M audio signals are output. The upmixer may vary the diffuse signal expansion process over time such that during instances of transient audio signal conditions the diffuse portions of audio signals may be distributed substantially only to output channels spatially close to the input channels. During instances of non-transient audio signal conditions, the diffuse portions of diffuse portions of audio signals may be distributed in a substantially uniform manner.
Thu, 18 Aug 2016 08:00:00 EDTMethods which uses interpolated primitive matrices to decode encoded audio to recover (losslessly) content of a multichannel audio program and/or to recover at least one downmix of such content, and encoding methods for generating such encoded audio. In some embodiments, a decoder performs interpolation on a set of seed primitive matrices to determine interpolated matrices for use in rendering channels of the program. Other aspects are a system or device configured to implement any embodiment of the method.
Thu, 18 Aug 2016 08:00:00 EDTA user equipment (UE) includes a memory element and a processor. The memory element is configured to store a plurality of head-related transfer functions. The processor is configured to receive an audio signal. The audio signal includes a plurality of ambisonic signals. The processor is also configured to identify an orientation of the UE based on physical properties of the UE. The processor is also configured to rotate the plurality of ambisonic signals based on the orientation of the UE. The processor is also configured to filter the plurality of ambisonic signals using the plurality of head-related transfer functions to form speaker signals. The processor is also configured to output the speaker signals.
Thu, 18 Aug 2016 08:00:00 EDTAn acquisition system includes a processor, one or more sensors operatively coupled to the processor where the one or more sensors acquire at the ear, on the ear or within an ear canal, one or more of acceleration, blood oxygen saturation, blood pressure or heart-rate, and the one or more sensors configured to monitor a biological state or a physical motion or both for an event. The event can be a detection of a discrepancy when compared with a set of reference data by the one or more sensors or the biological state or the event can be one of a detection of an abrupt movement of a headset operatively coupled to the processor, a change in location of an earpiece operatively coupled the processor, a touching of the headset, a recognizing of a voice command, a starting or ending of a phone call, or a scheduled time.
Thu, 18 Aug 2016 08:00:00 EDTProvided is a sound field security system with improved sound field analysis performance, and a method of determining a starting point for analysis of a received waveform by using the same, in which a starting point for analysis of a received waveform may be accurately determined even when there are irregular delays in a system, thereby enabling sound field analysis to be more adaptive to irregular delays that may occur in the system, and ensuring stable sound field security.
Thu, 18 Aug 2016 08:00:00 EDTA media apparatus for selecting a media source to provide media content to a playback device that plays back the media content as at least one of audio and video content may include a controller programmed to detect a media zone that includes a playback device, detect a presence of a portable user device that provides media content, determine a number of media sources that are available in the media zone, select a first media source of the number of media sources as a preferred media source based on a hierarchy table, determine whether the preferred media source includes the media content that is provided by the portable user device, and control the preferred media source to provide the media content to the playback device.
Thu, 18 Aug 2016 08:00:00 EDTThe application relates to a partner microphone unit comprising a) a multitude microphones for picking up a sound from the environment providing corresponding electric input signals, each comprising a target signal component and a noise signal component; b) a multi-input unit noise reduction system for providing an estimate Ŝ of the target sound s comprising the person's voice and comprising a multi-input beamformer filtering unit coupled to said input units and configured to determine filter weights for providing a beamformed signal, wherein signal components from other directions than a direction of the target signal source are attenuated, whereas signal components from the direction of the target signal source are left un-attenuated; c) antenna and transceiver circuitry for establishing an audio link to another device; and wherein the multi-input beamformer filtering unit comprises an adaptive beamformer. An improved quality of a target signal from a speaker or communication partner is provided. The invention may e.g. be used in hearing aids, headsets, ear phones, active ear protection systems or combinations thereof.
Thu, 18 Aug 2016 08:00:00 EDTThe application relates to a hearing system comprising a hearing device and a separate microphone unit adapted for picking up a voice of a user. The microphone unit comprises a) a multitude M of input units for picking up or receiving a signal representative of a sound from the environment, M being ≧2; b) an adaptive multi-input unit noise reduction system for providing an estimate Ŝ of a target signal s comprising the user's voice, the multi-input unit noise reduction system comprises a multi-input beamformer filtering unit configured to determine filter weights w(k,m) for providing a beamformed signal, wherein signal components from other directions than a direction of a target signal source are attenuated, whereas signal components from the direction of the target signal source are left un-attenuated; and c) antenna and transceiver circuitry for transmitting said estimate Ŝ of the user's voice to another device. The hearing system facilitates communication between a wearer of a hearing device and another person via a telephone. The invention may e.g. be used in hearing aids in connection with handsfree telephone systems, mobile telephones, teleconferencing systems, etc.
Thu, 18 Aug 2016 08:00:00 EDTLeft/Right (L/R) hearing assistance device (HA) symmetrical performance of the antenna is highly desired when using the same HA design for both the left and the right ears. Physical symmetry and loading of the antenna, both internal and external to the HA, is usually not possible because the antenna should avoid the microphone, battery, and switch locations within the HA. Described herein are antenna structures, hearing assistance devices with integrated antennas, and methods of wireless communication in hearing assistance devices which create symmetrical (L/R) antenna performance with physically asymmetrical antenna designs.