Subscribe: Untitled
http://www.freepatentsonline.com/rssfeed/rssapp381.xml
Added By: Feedage Forager Feedage Grade B rated
Language: English
Tags:
audio signal  audio  based  device  frequency  includes  loudspeaker  method  microphone  signal  sound  system  transducer  unit 
Rate this Feed
Rate this feedRate this feedRate this feedRate this feedRate this feed
Rate this feed 1 starRate this feed 2 starRate this feed 3 starRate this feed 4 starRate this feed 5 star

Comments (0)

Feed Details and Statistics Feed Statistics
Preview: Untitled

Untitled





 



METHOD AND APPARATUS FOR SYNCHRONIZING HEARING INSTRUMENTS VIA WIRELESS COMMUNICATION

Thu, 06 Apr 2017 08:00:00 EDT

A hearing assistance system including a hearing instrument designated as a master device and at least another hearing instrument designated as a slave device. The master device is communicatively coupled to the slave device via a wireless link. The master device has a master clock and generates master time stamps for specified events timed by the master clock. The master time stamps are sent to the slave device via the wireless link. The slave device has a slave clock and generates slave time stamps for specified events timed by the slave clock. The slave clock is adjusted for synchronization to the master clock using the master time stamps and the slave time stamps.



AUDIO SIGNAL CORRECTION AND CALIBRATION FOR A ROOM ENVIRONMENT

Thu, 06 Apr 2017 08:00:00 EDT

Disclosed are an apparatus and method of processing an audio signal to optimize audio for a room environment. One example method of operation may include recording the audio signal generated within a particular room environment and processing the audio signal to create an original frequency response based on the audio signal. The method may also include creating at least two iterative filters based on at least two separate frequency ranges of the original frequency response, calculating an error difference between the frequency response modified by the at least two iterative filters and the original frequency response, and applying the error difference to the audio signal.



BASS MANAGEMENT FOR HOME THEATER SPEAKER SYSTEM AND HUB

Thu, 06 Apr 2017 08:00:00 EDT

An audio system is disclosed that contains speakers that are configured to transmit unique parameters to an audio source. The system includes a hub that is configured to be connected with one or more audio sources. At least one speaker is included having one or more filter parameters stored internally that are specific to the speaker. The speaker is operable to transmit the one or more filter parameters to the hub. The hub is operable to use the one or more filter parameters to filter an audio channel associated with the speaker and an associated subwoofer channel.



Systems and Methods for Playing a Venue-Specific Object-Based Audio

Thu, 06 Apr 2017 08:00:00 EDT

There is provided a system and method for playing a venue-specific object-based audio in a venue, the system comprising a memory, and a processor configured to receive an object-based audio including a plurality of audio components and create a venue-specific object-based audio based on a modification metadata by adjusting a level of at least one of the plurality of audio components of the object-based audio, the processor executing the object-based audio rendering software to render the venue-specific object-based audio in the venue.



Noise Index Detection System and Corresponding Methods and Systems

Thu, 06 Apr 2017 08:00:00 EDT

An electronic device (200) includes a user interface (205), a communication circuit (206), and an audio capture device (212) to receive ambient audio signals from an environment about the electronic device. A voice control interface engine (214) is operable with the audio capture device to process signals received from the audio capture device to identify at least some speech from the ambient audio signals. One or more processors (203) are operable with the voice control interface engine to compute a noise index as a function of the ambient audio signals and the at least some speech. The one or more processors can optionally identify a source of the at least some speech. Where the noise index exceeds a predefined criterion, the one or more processors can execute a communication operation on one or more of the user interface or the communication circuit.



Enabling Voice Interaction Using Secondary Microphone

Thu, 06 Apr 2017 08:00:00 EDT

A method includes identifying an active state of a first microphone of a device. A signal generated by a second microphone of the device is monitored to identify a voice command trigger phrase. The signal from the second microphone is monitored for a voice command responsive to identifying the voice command trigger phrase. The voice command is executed.



MODELING A FREQUENCY RESPONSE CHARACTERISTIC OF AN ELECTRO-ACOUSTIC TRANSDUCER

Thu, 06 Apr 2017 08:00:00 EDT

Example embodiments disclosed herein relate to modelling a frequency response characteristic of an electro-acoustic transducer. A method includes obtaining at least one measurement of the frequency response characteristic for at least one electro-acoustic transducer of the category. A model of a frequency response characteristic specific to a category of electro-acoustic transducers is generated at least in part based on perceptual importance of a frequency band, an averaged, normalized or microphone compensated measurement such that the distortion of the model is optimized. A further method for estimating a frequency response characteristic of an electro-acoustic transducer is based on the generated model and the sensitivity of the electro-acoustic transducer or headphone. Corresponding system and computer program product are also disclosed.



HYBRID SHELL FOR HEARING AID

Thu, 06 Apr 2017 08:00:00 EDT

A method is a described for constructing a hearing aid shell that comprises a combination of hard and soft materials. In one embodiment, 3D printing is combined with conventional mold/casting methods so that a first shell portion made of a hard material and a mold for a second shell portion are 3D printed. The mold is then filled with a soft material which is allowed to set to form the second shell portion, and the first and second shell portions are adhesively attached.



In-Ear Monitors and Methods of Manufacturing

Thu, 06 Apr 2017 08:00:00 EDT

An in-ear monitor and a method for manufacturing the in-ear monitor from a block of solid medium made from a combination of wood and acrylic and finished with an acrylic coating. The manufacturing process utilizes computerized numerical control techniques to subtractively manufacture the in-ear monitor from the block of solid medium. Acrylic pieces are embedded into the wood randomly or in a desired pattern so that each block has a unique design pattern. Each in-ear monitor is manufactured from a block of solid medium, will therefore, have a unique design pattern as well.



Speech Processor Cases

Thu, 06 Apr 2017 08:00:00 EDT

Apparatus and methods for converting one type of speech processor unit into another type of speech processor unit.



CONFIGURABLE HEARING SYSTEM

Thu, 06 Apr 2017 08:00:00 EDT

The application relates to a configurable hearing device such as a hearing aid comprising an input transducer adapted to transform an input sound signal to an electrical input signal; a memory storing at least two different performance categories, each comprising a group of technical features, the group of technical features of each of the at least two different performance categories being at least partially overlapping and each technical feature of the group of technical features being defined by a selectable range and/or parameter settings; a signal processing unit adapted to access the memory and to process the electrical input signal in accordance with an active performance category selectable from the at least two different performance categories, the signal processing unit providing a processed electrical signal; and an output transducer adapted to transform the processed electrical signal to an output signal producing a hearing perception to a user of the hearing device. The invention may e.g. be used for the fitting of hearing aids to first time users, where a choice between different hearing aid models having different performance must be made.



SENSOR WITH MOVABLE PART AND BIASING

Thu, 06 Apr 2017 08:00:00 EDT

Methods and apparatuses are provided wherein a sensor which comprises at least two electrodes and a movable part is alternately biased with at least two different voltages.



ELECTROACOUSTIC TRANSDUCER

Thu, 06 Apr 2017 08:00:00 EDT

A new audio transducer for mobile devices having a collar with side openings that provide side venting to a back volume within an enclosure. The side openings eliminate the need for a typical frame and back vents thereon, which leads to a smaller size speaker. Each of the side openings have a maximum size less than the size of an adsorber material, which prevents the adsorber material coming into contact with the magnets, coil, and membrane of the speaker. The side openings and the size thereof also permit the enclosure to be directly filled with an adsorber material. The direct filling of the adsorber leads to more even and complete distribution of the adsorber within the back volume, which, in turn, improves sound quality of the speaker.



SELF-COOLING LOUDSPEAKER

Thu, 06 Apr 2017 08:00:00 EDT

A self-cooling loudspeaker including a frame, a diaphragm portion connected to the frame via a surround, an elastic member connected to the frame, a voice coil connected to the diaphragm portion, a magnet assembly connected to the frame, and first and second airflow control members disposed therein for regulating flows generated by the loudspeaker during sound reproduction, where the first and second airflow control members regulate the amount of cool air flowing into the loudspeaker and hot air flowing out.



HOME THEATER SPEAKER SYSTEM AND HUB

Thu, 06 Apr 2017 08:00:00 EDT

A wireless speaker system is disclosed that includes a hub that is in wireless communication with a plurality of speakers. Each of the speakers includes a speaker selector module operable to allow a user to select a slot to place each of the speakers in. Each of the speakers is operable to transmit a respective slot setting to the hub based on the selected slot. The hub is operable to transmit audio signals to each of the speakers as a function of the slot setting.



Microphone Unit for Stereo Recording

Thu, 06 Apr 2017 08:00:00 EDT

A microphone unit for stereo recording capable of switching an arrangement of left and right microphones between a true XY technique and another technique. A microphone unit for stereo recording, including: a pair of unidirectional left and right microphones; and a retractable mechanism joined to the respective left and right microphones. The retractable mechanism is configured—to allow change in a horizontal angle and a vertical position of each of the left and right microphones.



IMPEDANCE CONVERSION CIRCUIT OF CONDENSER MICROPHONE

Thu, 06 Apr 2017 08:00:00 EDT

Provided is an impedance conversion circuit of a condenser microphone which includes a first electron tube operated in grounded-cathode mode to whose grid an output signal from a condenser microphone unit is inputted, and from whose plate a signal is outputted, a first emitter-follower circuit configured to receive a signal based on a plate output of the first electron tube and amplify a current, and a first feedback element configured to transmit a feedback signal from an emitter of a transistor configuring the first emitter-follower circuit to the grid of the first electron tube. And the impedance conversion circuit can achieve a wide dynamic range while using a voltage amplifier circuit with an electron tube at an initial stage



MOBILE APPARATUS AND CONTROL METHOD THEREOF

Thu, 06 Apr 2017 08:00:00 EDT

A mobile apparatus and control method thereof are provided, which includes an audio data signal input unit arranged to receive an audio data signal. An audio output unit is arranged to output an audio signal according to the received audio data signal within a first reproduction frequency. A balanced armature is arranged to output an audio signal according to the received audio data signal within a second reproduction frequency band. The second reproduction frequency band is different from the first reproduction frequency band. An audio signal processor is arranged to adjust the first reproduction frequency band and the second reproduction frequency band such that a combination of the first reproduction frequency band and the second reproduction frequency band is wider than the first reproduction frequency band and the second reproduction frequency band individually.



VIBRATION DAMPING AND MOUNTING ASSEMBLY FOR A LOUDSPEAKER

Thu, 06 Apr 2017 08:00:00 EDT

A loudspeaker damping assembly can mechanically damp or isolate a loudspeaker transducer from a mounting surface. The damping assembly can include a loudspeaker housing or frame that receives a loudspeaker transducer, and a flexible, deformable, or conformable flange damper extending outward from an edge of the loudspeaker housing. The flange damper can be positioned against a loudspeaker wall or ceiling mounting surface. The damping assembly optionally includes a clamp damper opposite the flange damper, or a peripheral edge damper at an outer perimeter edge of the loudspeaker housing. In an example, a loudspeaker system includes a low frequency first transducer and an array of high frequency transducers overlapping a front face of the low frequency transducer. In an example, the transducer array has an arcuate profile, and an axis of the array is non-coaxial with a central axis of the first transducer.



MICROPHONE DISRUPTION APPARATUS AND METHOD

Thu, 06 Apr 2017 08:00:00 EDT

An apparatus for use with an electronic device having a microphone. The apparatus comprises a structure configured to detachably couple to the device, and a generator supported by the structure. The generator is configured to generate a force that acts on the microphone and renders the microphone unresponsive to voice sounds.



UNIDIRECTIONAL MICROPHONE UNIT

Thu, 06 Apr 2017 08:00:00 EDT

In a unidirectional microphone unit, stable frequency characteristics can be obtained, and manufacturing cost is reduced while preventing increasing of an external size. A microphone cap that covers a microphone element is included, and the microphone cap includes a porous ring member arranged in the front of the microphone element to form a first communication space communicating with a front acoustic hole in a center side, and a cylindrical member supporting a peripheral edge portion of the ring member and surrounding a periphery side of the microphone element, and forming a second communication space communicating with a rear acoustic hole in the periphery side of the microphone element, and the first communication space and the second communication space are communicated through the ring member.



HEADPHONES WITH THERMAL CONTROL

Thu, 06 Apr 2017 08:00:00 EDT

The various embodiments set forth a headphone apparatus that includes a first earcup, a sensor included in the first earcup, and a controller. The first earcup is coupled to a headband, and includes a loudspeaker system and a thermal control subsystem. The controller is configured to detect an output generated by the sensor, and, based on the output, transmit a signal to the thermal control subsystem included in the first earcup to modify a temperature associated with least the first earcup.



ACTIVE ACOUSTIC FILTER WITH AUTOMATIC SELECTION OF FILTER PARAMETERS BASED ON AMBIENT SOUND

Thu, 06 Apr 2017 08:00:00 EDT

Active acoustic filter systems and methods are disclosed. An active acoustic filter system includes a memory storing one or more stored sound profiles and a respective set of processing parameters associated with each of the one or more stored sound profiles. A processor coupled to the memory generates processed sound by processing ambient sound in accordance with a set of processing parameters retrieved from the memory based on results from comparing an ambient sound profile to at least one of the one or more stored sound profiles.



EAR EARPHONE, ITS VARIATIONS AND METHODS OF WEARING THE EARPHONE

Thu, 06 Apr 2017 08:00:00 EDT

An earphone includes an acoustic housing including an electroacoustic transducer and an opening, a wire connected to the electroacoustic transducer, a mounting part coupled to the acoustic housing through a cylindrical hinge and having a rotatable wire guide, and a bendable element connected to the mounting part near an axis of rotation of the wire guide. The wire is connected to the wire guide. The sound opening is opposite the axis of rotation. The bendable element and an outer portion of the wire guide in a first orientation are in the same plane as the axis of rotation and oriented in a generally opposite direction from the axis of rotation. The outer portion of the wire guide is oriented towards the sound opening. The outer portion of the wire guide and the bendable element are movable through at least 50 degrees from the first to a second orientation.



ELECTROACOUSTIC TRANSDUCER WITH FLEXIBLE COILWIRE CONNECTION

Thu, 06 Apr 2017 08:00:00 EDT

A new audio transducer for mobile devices, in particular for a micro speaker, having a coil assembly having a coil, a pair of leads extending from the coil, and a flexible printed circuit having a pair of contact pads to which the leads are directly electrically connected. An advantage of this new speaker is the reduced number of electrical connections between the leads of the coil and the driver of the coil. This helps to reduce the number and size of the parts of the micro speaker and aids in increasing sound quality and durability of the speaker.



ELECTRIC DEVICE, IN PARTICULAR A MICROPHONE HAVING RE-ADJUSTABLE SENSITIVITY, AND ADJUSTMENT METHOD

Thu, 06 Apr 2017 08:00:00 EDT

In order to adjust an electric device, it is proposed to integrate a programmable memory unit into the device and to address said programmable memory unit without enlarging the footprint, via contact areas that are obtained by dividing previous contact areas. In this case, an adjustment value in particular for compensating for a fault tolerance is fed into the memory unit, an operating parameter being readjusted with the aid of said adjustment value. In each case two divided contact areas are short-circuited via a common soldering location during the mounting of the device.



LOUDSPEAKER SYSTEM

Thu, 06 Apr 2017 08:00:00 EDT

A loudspeaker system and method of utilizing and/or installing thereof. As a non-limiting example, various aspects of this disclosure provide a loudspeaker system that may be conveniently integrated with a power distribution network of a premises.



METHOD AND SYSTEM FOR PRODUCING LOW-NOISE ACOUSTICAL IMPULSE RESPONSES AT HIGH SAMPLING RATE

Thu, 06 Apr 2017 08:00:00 EDT

The method and system for measuring low-noise acoustical impulse responses at high sampling rates of the present invention utilizes two exponential sine sweeps (ESSs) to measure the impulse responses. The first ESS is a quick sweep up to the Nyquist frequency to provide an estimate of the system response and sample the ambient noise. This measurement is used to algorithmically determine an appropriate pass-band of the system. A second, slower sweep through the pass-band alone is then executed and a corresponding band-pass filter is applied to the resulting output signal to suppress noise. The result is a measured impulse response with an improved signal-to-noise ratio and a much-reduced pre-response.



PERIODICITY ANALYSIS SYSTEM

Thu, 06 Apr 2017 08:00:00 EDT

A system for identifying a periodicity-related attribute in a multi-frequency signal. The system is configured to produce phase and delay modulated signals from a complex input signal. The system is designed to combine these phase and delay modulated signals to identify a periodicity-related attribute associated with the multi-frequency signal. The system is configured to produce a physically perceptible output based on the identified periodicity-related attribute.



Audio-Signal Processing Device, and Audio-Signal Processing Method

Thu, 06 Apr 2017 08:00:00 EDT

An audio signal processing device includes an audio signal processing unit which performs signal processing on an audio signal, a sound volume setting receiving unit which receives a sound volume set value, and a sound volume measuring unit which measures a sound volume at a listening position. The audio signal processing unit performs a loudness correction which increases a level of the audio signal in a prescribed frequency range as the sound volume set value decreases. The sound volume measuring unit measures sound volumes corresponding to plural respective sound volume set values at the listening position. The audio signal processing unit sets a level adjustment amount to be used in performing the loudness correction based on the sound volume set value received by the sound volume setting receiving unit and the measurement sound volumes of the sound volume measuring unit.



DYNAMIC MODIFICATION OF AUDIO CONTENT

Thu, 06 Apr 2017 08:00:00 EDT

A method for dynamic modification of audio content. An audio content theme includes audio information relating to at least one theme variation. The method includes the steps of: receiving an intensity parameter indicative of an amount of audio information being played and a variation parameter indicative of at least one theme variation of the audio information being played; modifying, based on said intensity parameter, the amount of audio information being played, and, based on said variation parameter, the at least one theme variation of the audio information being played. Also described is a computer program configured to be executed on a computer device for dynamic modification of an audio content theme.