Occlusion devices, earpiece devices and methods of occluding an ear canal are provided. An occlusion device includes an insertion element, a foldable element and an expandable element. The foldable element is disposed on the insertion element and is configured to receive a medium via the insertion element. The expandable element is disposed over the foldable element. The foldable element is configured to unfold, responsive to the medium, and cause the expandable element to expand to contact the ear canal.
Earphone systems and methods for automatically directing ambient sound to an earphone device are provided. An ambient microphone signal from an ambient microphone proximate a sound isolating earphone or headset device is directed to a receiver within an earphone device according to mixing circuitry. The mixing circuitry is controlled by voice activity of the earphone device wearer. This enables hands-free operation of an earphone system to allow the earphone device wearer to maintain situation awareness with the surrounding environment. During detected voice activity, incoming audio content is attenuated while ambient sound is increased and provided to the earphone device. User voice activity is detected by analysis of at least one of an ear canal microphone signal or an ambient sound microphone signal.
Methods and systems for designing an earpiece device are provided. The method includes receiving a plurality of images for a respective plurality of individuals. Each image includes at least one ear anatomy. For each image, a three-dimensional (3D) surface representing the at least one ear anatomy is extracted, to form a plurality of extracted surfaces corresponding to the plurality of images. At least one statistical measurement representative of at least a portion of the plurality of individuals is determined from among the plurality of extracted surfaces. At least one design parameter for the earpiece device is optimized based on the at least one statistical measurement, The earpiece device is formed using the optimized at least one design parameter.
Audio systems for a vehicle and methods for increasing auditory situation awareness in a vehicle are provided. An audio system includes at least one ambient microphone disposed on the vehicle, a processor and at least one loudspeaker. The at least one ambient microphone is configured to capture ambient sound external to the vehicle and to produce an ambient sound signal. The processor is configured to receive the ambient sound signal and an audio content signal, and to mix the ambient sound signal with the audio content signal to generate a mixed output signal. The at least one loudspeaker is configured to reproduce the mixed output signal in the vehicle cabin.
Audio systems for a vehicle and methods of operating an audio device in a vehicle cabin are provided. A method of operating an audio device directs an acoustic signal to at least one vehicle cabin receiver (VCR) of the audio device; measures sound pressure levels (SPLVCM) for acoustic energy received by at least one vehicle cabin microphone (VCM) of the audio device during a time period Δt; calculates a sound pressure level (SPL) dose (SPL_DoseΔt) during the time period At using the sound pressure levels SPLVCM of the at least one VCM; combines the SPL dose (SPL_DoseΔt) with an SPL dose of a previous time period to form a total SPL dose (SPL_Dosetotal); and performs an action to modify operation of the audio device when the total SPL dose is greater than a predetermined threshold.
Sound recognition systems for a vehicle and methods for increasing auditory situation awareness in a vehicle are provided. A sound recognition system includes at least one ambient sound microphone (ASM), at least one vehicle cabin receiver (VCR) and a processor. The ASM is disposed on the vehicle and configured to capture ambient sound external to the vehicle. The VCR is configured to deliver audio content to a vehicle cabin of the vehicle. The processor coupled to the at least one ASM and the at least one VCR. The processor is configured to detect at least one sound signature in the ambient sound and to adjust the audio content delivered to the vehicle cabin based on the detected at least one sound signature.
H04B 1/00 - Details of transmission systems, not covered by a single one of groups Details of transmission systems not characterised by the medium used for transmission
7.
METHOD AND DEVICES FOR OCCLUDING AN EAR CANAL HAVING A PREDETERMINED FILTER CHARACTERISTIC
Occlusion devices, earpiece devices and methods of forming occlusion devices are provided. An occlusion device is configured to occlude an ear canal. The occlusion device includes an insertion element and at least one expandable element disposed on the insertion element. The expandable element is configured to receive a medium via the insertion element and is configured to expand, responsive to the medium, to contact the ear canal. Physical parameters of the occlusion device are selected to produce a predetermined sound attenuation characteristic over a frequency band, such that sound is attenuated more in a first frequency range of the frequency band than in a second frequency range of the frequency band.
At least one exemplary embodiment is directed to an earplug comprising: at least a partially flexible distal end; an inflatable element; and a flexible anti-distal end, where the anti-distal end has at least one portion that is deformable, where the inflatable element is operatively attached to the distal end by an inflation channel, where when the at least one portion is deformed the inflatable element expands to an adjustable pressure, where at least one portion of the anti-distal end provides a pressurizing force to maintain the expansion of the inflatable element.
At least one exemplary embodiment is directed to a system configured to occlude an ear canal. The system comprises a support structure, an expandable device, a housing, a resilient reservoir, and a threaded device. Resilient reservoir resides within housing and is filled with a medium. The threaded device couples to a threaded region of support structure. Threaded device fits in an opening of housing. Rotating threaded device reduces an interior volume of housing thereby transferring the medium from resilient reservoir to expandable device. Threaded device is rotated to displace sufficient medium within resilient reservoir to expand expandable device to occlude the ear canal. Resilient reservoir is passively filled when expandable device is in an un-expanded state.
At least one exemplary embodiment is directed to implementing personalized sound management applications. A module comprising hardware and software is provided to manufacturers to build a device. A process is architected for remote enabling of a device with personalized sound management applications. Consumers select applications for managing their sound environment through purchased and subscription hardware and applications via a web environment. All products developed by manufacturers are tested and certified running the personalized sound management applications. Manufacturers and consumers may both be covered under for liability insurance. Users may remotely purchase may update, purchase hardware, add and download subscription based applications, and replace consumable through the web environment.
At least one exemplary embodiment is directed to a website configured to collect sound signatures from around the world and beyond. A communication device automatically stores acoustic information received by a microphone of the communication device. The acoustic information is analyzed for a trigger event. The trigger event stores the acoustic information, attaches metadata, creates a Gaussian Mixture Model, and measures sound pressure level. The communication device automatically sends the sound signature to a database when a communication path is opened to communication device. Each sound signature has associated metadata including a time stamp and geocode. Automatically collecting sounds using a communication device adapted for the process enables a database that captures sounds globally on a continuous basis.
A mobile communication (100) can include a mobile device (160) to measure and send sound pressure level data. The Mobile device (160) can initiate the collection of audio information responsive to detecting a trigger event. Mobile device (160) can measure or calculate the sound pressure level from the audio information. Metadata including time information and geographic location information can be captured with the collected audio information. Mobile device (160) can send the sound pressure level data and metadata through wired or wireless communication path to a database (614).
At least one exemplary embodiment is directed to an earpiece comprising: an ambient sound microphone (ASM); an ear canal microphone (ECM); an ear canal receiver (ECR); and an inflatable sealing section, where the sealing section includes at least one pressure valve, where the at least one pressure valve opens when the pressure in the sealing section is greater than an ambient pressure.
At least one exemplary embodiment is directed to a sound isolation device comprising: an expandable element; and an insertion element, where the expandable element is operatively attached to the insertion element, where the expandable element includes an expanding medium, where the pressure of the expanding medium is varied to vary sound isolation across the expandable element.
An earpiece (100) and a method (640) for acoustic management of multiple microphones is provided. The method can include capturing an ambient acoustic signal from an Ambient Sound Microphone (ASM) to produce an electronic ambient signal, capturing in an ear canal an internal sound from an Ear Canal Microphone (ECM) to produce an electronic internal signal, measuring a background noise signal, and mixing the electronic ambient signal with the electronic internal signal in a ratio dependent on the background noise signal to produce a mixed signal. The mixing can adjust an internal gain of the electronic internal signal and an external gain of the electronic ambient signal based on the background noise characteristics. The mixing can account for an acoustic attenuation level and an audio content level of the earpiece. Other embodiments are provided.
An earpiece (100) and acoustic management module (300) for in-ear canal echo suppression control suitable is provided. The earpiece can include an Ambient Sound Microphone (111 ) to capture ambient sound, an Ear Canal Receiver (125) to deliver audio content to an ear canal, an Ear Canal Microphone (123) configured to capture internal sound, and a processor (121 ) to generate a voice activity level (622) and suppress an echo of spoken voice in the electronic internal signal, and mix an electronic ambient signal with an electronic internal signal in a ratio dependent on the voice activity level and a background noise level to produce a mixed signal (323) that is delivered to the ear canal (131 ).
At least one exemplary embodiment is directed to a method and/or a device for voice operated control. The method can include method measuring an ambient sound received from at least one Ambient Sound Microphone, measuring an internal sound received from at least one Ear Canal Microphone, detecting a spoken voice from a wearer of the earpiece based on an analysis of the ambient sound and the internal sound, and controlling at least one voice operation of the earpiece if the presence of spoken voice is detected. The analysis can be a non-difference comparison such as a correlation analysis, a cross-correlation analysis, and a coherence analysis.
An expandable device (1100) can be configured to occlude an ear canal to isolate an ear canal volume from an ambient environment. The expandable device includes a support structure (1102). A membrane having a proximal end and a distal end is attached at each end around the support structure (1102) forming an expandable element (1104). The expandable element (1104) has an expanded state and an un-expanded state. The expandable element is adjacent to the support structure (1102) in the un- expanded state. The expandable element (1104) in the un-expanded state minimizes an insert profile of the expandable device (1102).
A device (100) and method (500) for configuring audio delivery on an earpiece is provided. The earpiece can include a peripheral interface (310) configured to receive a plurality of sound signals and direct the plurality of sound signals to a plurality of audio processing modules (330) that produce audio control information (331) responsive to an analysis of the sound signals, a logic control unit (340) to receive the audio control information from the plurality of audio processing modules and generate configuration data (342), and a mixing matrix (360) to mix the plurality of sound signals in accordance with the configuration data to produce output sound signals (365). The logic control unit can assign a priority to the plurality of audio processing modules, and modify the configuration data to mix the plurality of sound signals according to the priority. Other embodiments are disclosed.
A method for an earpiece to manage a delivery of a message can include receiving a notice that a message is available at a communication device, parsing the notice for header information that identifies at least a portion of the message, and requesting a subsequent delivery of at least a portion of the message from the communication device if at least one keyword in the header information is in an acceptance list. Other embodiments are disclosed.
At least one exemplary embodiment is directed to a device that includes a membrane and a collapsible electroactive polymer element, where the element is in an expanded configuration without voltage application and is in a collapsed configuration with a voltage application, where the element is covered by the membrane.
At least one exemplary embodiment is directed to a method of operating an audio device comprising: calculating estimated sound pressure levels for drive signals directed to an ear canal receiver (ECR) during a time increment Δt; calculating an estimated SPL_Dose during the time increment ?t using the estimated sound pressure levels; and calcculating a total SPL_Dose at the time ?t of the audio device using the estimated SPL_Dose.
At least one exemplary embodiment is directed to a method of operating an audio device comprising: measuring sound pressure levels (SPLECM) for acoustic energy received by an ear canal microphone (ECM) during a time increment Δt; and calculating a SPL_DoseΔt during the time increment Δt using SPLECM.
An alarm signal alerts individuals who may be in the vicinity of the reversing vehicle and alerts the vehicle operator when the alarm signal is not be audible due to high ambient sound levels or detritus covering the alarm transducer. The background noise level in proximity to the vehicle is monitored. The level of the alarm signal is increased as the ambient (or background) sound level rises. Conversely, the level of the alarm signal is reduced as the background noise level decreases. The alarm signal is changed in volume, frequency, or both based on velocity of the vehicle. In other exemplary embodiments, the frequency content of the alarm signal is modified if the spectral profile of the ambient sound field contains spectral components that may mask the alarm signal.
At least one exemplary embodiment is directed to a method of sealing an orifice comprising: inserting a sealing element into an orifice; transferring a fluid into the sealing element; and restricting fluid transfer into the sealing element when a pressure in the sealing element is greater than a threshold value.
A device (100) and method (500) for configuring audio delivery on an earpiece is provided. The earpiece can include a peripheral interface (310) configured to receive a plurality of sound signals and direct the plurality of sound signals to a plurality of audio processing modules (330) that produce audio control information (331 ) responsive to an analysis of the sound signals, a logic control unit (340) to receive the audio control information from the plurality of audio processing modules and generate configuration data (342), a filter set (350) to process the plurality of sound signals in accordance with the configuration data to produce filtered sound signals (355), and a mixing matrix (360) to mix the plurality of filtered sound signals in accordance with the configuration data to produce output sound signals (365) and route the output sound signals to at least one peripheral component (370). Other embodiments are disclosed.
At least one exemplary is directed to a method of acoustic communication comprising: emitting an earcon, where the earcon has at least one embedded portion, where the at least one embedded portion includes at least one of a sealing quality earcon, a ear health earcon, and an ear canal transfer function earcon; measuring a return earcon; breaking the return earcon into return portions, where the return portions are broken into at least one of a sealing quality portion, an ear health portion, and an ear canal transfer function portion; and comparing the return portions with reference portion values; and sending a notification signal if there are differences between the return portions and the reference portion values outside of a threshold value.
An earpiece device includes a microphone and a speaker having a common acoustic channel to reduce complexity and minimize components in an ear canal region. The earpiece device also includes a logic circuit operatively connected into an earpiece, where the microphone is configured to sample an acoustic signal traveling from either end of an acoustic channel. The earpiece device further includes a selective attenuation mechanism for varying the acoustic energy from one end of the acoustic channel or combining the acoustic energies in a controlled ratio from both ends of the acoustic channel before reaching the microphone.
At least one exemplary embodiment is directed toward an earpiece with a sealing section for acoustically sealing the meatus of a human ear, which includes an inner ear canal speaker; an inner ear canal microphone; connected to a logic circuit which can include a digital signal processor (DSP), where the sealing section touches a portion of the ear canal to substantially acoustically seal the meatus of a human ear canal.
At least one exemplary embodiment is directed to a method for audio processing suitable for use with an earpiece is provided that comprises the steps of delivering audio to an ear canal, measuring a residual background noise level within the ear canal, and adjusting the audio based on characteristics of the residual background noise level to maintain a natural audio level. A mixing of an ambient sound signal and an ear canal signal can be used to calculate the residual background noise level. The method can include compensating the residual measurement based on microphone sensitivities. Other embodiments are disclosed.
At least one exemplary embodiment is directed toward an earphone device with a sealing section for acoustically sealing the meatus of a human ear, which includes an inner ear canal speaker; an inner ear canal microphone; connected to a logic circuit which can include a digital signal processor (DSP), where a sealant operatively attached to an outer section of the earphone acoustically seals the meatus of a human ear canal.
A system for monitoring sound pressure levels at the ear includes an ambient sound microphone for receiving ambient sounds and an ear canal microphone for producing audio signals as a function of ambient sound received at the ambient sound microphone and sound signal received from an associated personal audio device. A logic circuit is operatively associated with the ASM and ECR calculates a total SPL_Dose experienced by the ear at a time t. In one exemplary embodiment the total SPL_Dose is calculated by determining estimated SPL_Dose for periods ﶴt. The logic circuit then may then select an action parameter in response to the Total SPL_Dose.
A system for monitoring sound pressure levels at the ear includes an ambient sound microphone (ASM) for receiving ambient sounds and an ear canal microphone (ECM) for producing audio signals as a function of ambient sound received at the ambient sound microphone and sound signal received from an associated personal audio device. A logic circuit is operatively associated with the ASM and ECM calculates a total SPL_Dose experienced by the ear at a time t. In one exemplary embodiment, the total SPL_Dose is calculated by determining SPL_Dose for periods ﶴt as measured at the ECM. The logic circuit then may then select an action parameter in response to the Total SPL_Dose.
At least one exemplary embodiment is directed to an earpiece and method for call control is provided. The method includes receiving an incoming call from a caller, accepting the incoming call in a subscriber non-speech mode, receiving and presenting speech communication from the caller, and responding to the speech communication to a subscriber by way of non-spoken subscriber response messages. The Subscriber can respond to the caller via text-to-speech messages by way of a keypad. The subscriber non-speech mode permits a non-spoken communication dialogue from the Subscriber to the Caller. A first method alerts a subscriber of an incoming call, and a second method permits the Subscriber to respond. Other embodiments are disclosed.
At least one exemplary embodiment is directed to a multi-chamber coating comprising: a first medium; and a second medium, where the first medium covers at least a first portion of second medium so as to form a first and second chamber, where at least one material property of the first medium is different than the second medium, where the first chamber and second chamber share a wall, where the wall is configured to apply a restorative force upon deformation of the first or second chamber, where the first and second chamber form at least a portion of a coating, and where the coating is configured to be attached to an object that is configured to be inserted into an orifice.
A61F 11/00 - Methods or devices for treatment of the ears or hearing sense Non-electric hearing aidsMethods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing senseProtective devices for the ears, carried on the body or in the hand
37.
METHOD AND DEVICE FOR ACOUSTIC MANAGEMENT CONTROL OF MULTIPLE MICROPHONES
An earpiece (100) and a method (640) for acoustic management of multiple microphones is provided. The method can include capturing an ambient acoustic signal from an Ambient Sound Microphone (ASM) to produce an electronic ambient signal, capturing in an ear canal an internal sound from an Ear Canal Microphone (ECM) to produce an electronic internal signal, measuring a background noise signal, and mixing the electronic ambient signal with the electronic internal signal in a ratio dependent on the background noise signal to produce a mixed signal. The mixing can adjust an internal gain of the electronic internal signal and an external gain of the electronic ambient signal based on the background noise characteristics. The mixing can account for an acoustic attenuation level and an audio content level of the earpiece. Other embodiments are provided.
At least one exemplary embodiment is directed to a single-chamber coating comprising: a first medium; a second medium; and a ridge structure, where the first medium covers at least a first portion of second medium so as to form a first chamber, where at least one material property of the first medium is different than the second medium, where the first medium forms a first wall the first chamber, where the first wall is configured to apply a restorative force upon of the first chamber, where the ridge structure is configured to direct the second medium substantially parallel to the ridge structure plane when the first chamber is deformed, where the first chamber forms at least a portion of a coating, and where the coating is configured to be attached to an object that is configured to be inserted into an orifice.
At least one exemplary embodiment is directed to a control device comprising: an input; an output; and a processor, where the processor is configured to receive an input signal through the input, where the input signal is generated from a user interface on media device, where the processor sends a control signal through the output to a sound reproduction device, where the output signal controls audio generated by the sound reproduction device, and where the input, output, and processor are not included in the media device and are not included in the sound reproduction device.
An earpiece (100) and a method (300) personalized voice operable control can include capturing (302) an ambient sound from an Ambient Sound Microphone (111 ) to produce an electronic ambient signal (426), delivering (304) audio content (402) to an ear canal (131 ) by way of an Ear Canal Receiver (125) to produce an acoustic audio content (404), capturing (306) in the ear canal an internal sound (402) from an Ear Canal Microphone (123) to produce an electronic internal signal (410), wherein the electronic internal signal includes an echo of the acoustic audio content and a spoken voice generated by a wearer of the earpiece, detecting (312) the spoken voice in the electronic internal signal in the presence of the echo, and controlling (314) a voice operation of the earpiece when the spoken voice is detected.
At least one exemplary embodiment is directed to a method and/or a device for voice operated control. The method can include method measuring an ambient sound received from at least one Ambient Sound Microphone, measuring an internal sound received from at least one Ear Canal Microphone, detecting a spoken voice from a wearer of the earpiece based on an analysis of the ambient sound and the internal sound, and controlling at least one voice operation of the earpiece if the presence of spoken voice is detected. The analysis can be a sound pressure level (SPL) difference, a correlation, a coherence, and a spectral difference.
At least one exemplary embodiment is directed to an acoustic management system configured to compensate for acoustical dampening comprising: a microphone configured to detect a first acoustic signal from an acoustic environment; and a logic circuit, where the logic circuit detects an onset of acoustical dampening between the acoustic environment and the microphone, and where the logic circuit generates an acoustic damping compensation filter, where the acoustic damping compensation filter is applied to the first acoustic signal generating a drive signal.
At least one exemplary embodiment is directed to a listening device (100) can include a receiver (102) and means for directing a sound produced by the receiver into an ear of the user, a microphone (104) and means for mounting the microphone so as to receive the sound in an environment , detecting means for detecting an auditory signal in the sound received by the microphone, and alerting means for alerting the user to the presence of the auditory signal, whereby the user's personal safety is enhanced due to the user being alerted to the presence of the auditory signal, which otherwise may be unnoticed by the user due to loud sound level created at the ear of the user by the receiver.
An earpiece (100) and a method (300) for evaluating auditory health can include embedding (302) at least one excitation signal (402) in an audio clip (404) to produce an embedded excitation signal (406), emitting (304) the embedded excitation signal to an ear canal (131) at least partially occluded by the earpiece, analyzing (312) a recorded sound field within the ear canal during a continuous delivery of the embedded excitation signal to assess auditory health, and adjusting (314) the excitation signal within the audio clip during the emitting based on comparative (404) differences with a reference otoacoustic emission (OAE).
At least one exemplary embodiment is directed to an acoustic Dose system comprising: a first device configured to measure sound pressure levels directed to an ear drum; and a second device configured to convert the sound pressure levels into a sound pressure level dose, where the second device sends a notification signal to a third device if the sound pressure level dose is larger than a threshold value.
At least one exemplary embodiment so directed to an earpiece (100). The earpiece can include an Ambient Sound Microphone (111) configured to capture ambient sound, an Ear Canal Microphone (123) configured to capture internal sound in the ear canal, a memory (208) configured to record at least a portion of the history of the ambient sound and the internal sound, and a processor (121) configured to save a recent portion of the history responsive to an event.
A method for acute sound detection and reproduction is provided that can include measuring an ambient sound level external to an ear canal at least partially occluded by the earpiece, monitoring a change in the ambient sound level for detecting an acute sound, estimating a proximity of the acute sound, and reproducing the acute sound within the ear canal responsive to detecting the acute sound and the proximity. Other embodiments are disclosed.
At least one exemplary embodiment is directed to a method for personalized listening which can be used with an earpiece is provided that can include capturing ambient sound from an Ambient Sound Microphone (ASM) of an earpiece partially or fully occluded in an ear canal, monitoring the ambient sound for a target sound, and adjusting by way of an Ear Canal Receiver (ECR) in the earpiece a delivery of audio to an ear canal based on a detected target sound. A volume of audio content can be adjusted upon the detection of a target sound, and an audible notification can be presented to provide a warning.
At least one exemplary embodiment is directed to a method of monitoring sound pressure level comprising: measuring a first sound pressure level in the ear canal; measuring a second sound pressure level out of the ear canal; calculating a first sound pressure level dose using the first sound pressure level, where if the first sound pressure level is below a permissable sound level a recovery function is used to calculate the first sound pressure level dose; and calculating a second sound pressure level dose using the second sound pressure level.
An earpiece is provided that can include an Ambient Sound Microphone (ASM) to measure ambient sound, an Ear Canal Receiver (ECR) to deliver audio to an ear canal, an Ear Canal Microphone (ECM) to measure a sound pressure level within the ear canal, and a processor to produce the audio from at least in part the ambient sound, actively monitor a sound exposure level inside the ear canal, and adjust a level of the audio to within a safe and subjectively optimized listening level range based on the sound exposure level. An audio interface can deliver audio content from a media player. The processor can selectively mix the audio content with the ambient sound to produce the audio in accordance with a personalized hearing level (PHL) to permit environmental awareness of at least one distinct sound in the ambient sound. Other embodiments are disclosed.
At least one exemplary embodiment is directed to a method of auditory communication comprising: measuring a data set; identifying the type of data set; obtaining the auditory (109) cue associated with the type of data set (103); and generating an auditory notification; and emitting the auditory notification.
At least one exemplary embodiment is directed to an anti-theft method comprising: determining whether a user's authorization parameters match stored verification parameters; selecting a feature of a device to affect if the user's authorization parameters do not match the stored verification parameters; and gradually affecting the selected feature of the device.
At least one exemplary embodiment is related to a method of device customization (FIG. 7) comprising: entering physiological data (730), where the physiological data is obtained from a visual image loaded by a web based software program; selecting device features (740) using the web based software program; and selecting the device appearance (750) using the web based software program.
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computerOutput arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
At least one exemplary embodiment is directed to an earpiece comprising: an ambient microphone; an ear canal microphone; an ear canal receiver; a sealing section; a logic circuit; a communication module; a memory storage unit,; and a user interaction element, where the user interaction element is configured to send a play command to the logic circuit when activated by a user where the logic circuit reads registration parameters stored on the memory storage unit and sends audio content to the ear canal receiver according to the registration parameters.
At least one exemplary embodiment is directed to a method of monitoring hearing health comprising: measuring a first acoustic sound pressure level due to an ambient audio signal; measuring a second acoustic sound pressure level due to an emitted audio signal from a speaker; calculating a total sound pressure level dosage, where the total sound pressure level dosage is calculated using the first acoustic sound pressure level and a first time span, and the second acoustic sound pressure level and a second time span associated, where the first time span is the time associated with the measured first acoustic sound pressure level and second time span is the time associated with the measured second acoustic sound pressure level; and sending a notification signal when total sound pressure level dosage is greater than a threshold value.
At least one exemplary embodiment is directed to A SPL monitoring system comprising: an audio transducer, where the audio transducer is configured to receive sound pressure; a logic circuit, where the logic circuit calculates a safe time duration over which a user can receive current sound pressure values; and an indicator element, where the indicator element produces a notification when an indicator level occurs. Furthermore at least on further exemplary embodiment is directed to an SPL monitoring information system comprising: a database stored, where the database includes data, such as a list of earpiece devices and associated instrument response functions where the logic circuit compares the request with the data in the database and retrieves the subset of data and sends it to the output control unit, where the output control unit sends the subset of data to the sending unit.
At least one exemplary embodiment is directed to a system for monitoring a sound pressure level dose at an ear which includes an audio transducer adapted to be placed within an ear to receive sound at the ear. The audio transducer outputs a sound signal. A sound level threshold detector receives the sound signal and determines whether a sound pressure level of the sound signal is at a minimum level and outputs a sound pressure level signal corresponding to a sound pressure level of the sound pressure level when the sound pressure level is not at the minimum level. A clock calculates a time period during which the sound pressure level is not at the minimum threshold level. A listening fatigue calculator receives the sound signal and the time period and determines whether a cumulative effect of exposure to the sound at the ear over a monitored time period will cause harm to the ear. At least a portion of the system is disposed in situ at the ear.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
H04B 15/00 - Suppression or limitation of noise or interference
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
At least one exemplary embodiment is directed to a method of generating a Personalized Audio Content (PAC) comprising: selecting Audio Content (AC) to personalize; selecting an Earprint; and generating a PAC using the Earprint to modify the AC.
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