physiological acoustics application
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Applicants who apply online for membership in the Acoustical Society of America will obtain same-day access to the Journal of the Acoustical Society of America(JASA) Online. 1961 – Georg von Békésy– For his deft proficiency in the experimental art which h… As shown in FIG. 11, 2016 in application No. The audio output may be transmitted wirelessly (e.g., via Bluetooth, IEEE 802.11, over the Internet, etc.) 7A-B are block diagrams illustrating an acoustic-envelope-based breath sound generator; FIGS. 1 is a general block diagram of a physiological acoustic monitoring system; FIGS. Displays allow parameters 144 and acoustic data 146 to be visually presented to a user in various forms such as numbers, waveforms and graphs, as examples. 5, 2013 in 5 pages. ã¢ã»ã©ãã©ããªã¼ãºã»ã¤ã³ã³ã¼ãã¬ã¼ããã, International Business Machines Corporation, Minnesota Mining And Manufacturing Company, The Board Of Trustees Of The Leland Stanford Junior University, Rutgers, The State University Of New Jersey, The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration. First Experiences, Proceedings of the 26th Annual Int'l Conf. For example, the system may alert the appropriate medical personnel to modify treatment. No. At least a portion of the sensors 110 generate acoustic signals, which may be directly utilized by the processors 130 or recorded onto or played back from storage media 160 or both. Controls may also initiate or direct communications. 11. The first monitor section is located near a living person and the second wireless communications device is located remote from the living person and attended to by a user. The audio output device is responsive to the second wireless communications device so as to audibly and continuously reproduce the body sounds. In an embodiment, the interconnect assembly is a flex circuit having multiple conductors that are adhesively bonded to the attachment assembly 350. Mount-time is near-zero for a virtual tape and the data is available immediately. International Search Report and Written Opinion issued in PCT Application No. synonym with The Latin word "sonic" Pythagoras. Download full Perception Based Data Processing In Acoustics Book or read online anytime anywhere, Available in PDF, ePub and Kindle. 141, No. B. Wayne Bequette, in Modelling Methodology for Physiology and Medicine (Second Edition), 2014. 3A-B, the acoustic assembly 310 communicates with the sensor cable 340 via the interconnect assembly. 3A-B are top and bottom perspective views of a body sound sensor; FIG. 13185148.7 dated Dec. 6, 2013. In an embodiment, the body sound sensor 220 generates a signal that bypasses monitor digitization and signal processing so as to allow continuous listening of the unprocessed or “raw” body sounds. One of ordinary skill in art will appreciate many variations and modifications. Moreover, some or all of the features described herein can be used or otherwise combined with many of the features described in the applications listed above. 2A-B illustrate physiological acoustic monitoring system 200 embodiments each having dual channel acoustic sensors 201, 202 in communications with a physiological monitor 205. The piezo circuit may also provide impedance compensation to the piezoelectric membrane, such as a series/parallel combination used to control the signal level strength and frequency of interest that is input to the op amp. The processors 130 include an audio processor 132 that outputs audio waveforms 142, a parameter processor 134 that derives physiological parameters 144 from sensor signals 112 and an acoustic data processor 136 that stores, retrieves and communicates acoustic data 146. The output includes the input impedance and the transfer impedance, as well as the level transformation from the entrance to the eardrum. 4). Further shown in FIGS. The A/D converter 531 is shown as having a two-channel analog input and a multiplexed digital output to the DSP. International Preliminary Report on Patentability dated Apr. As shown in FIG. A button 359 mechanically couples the acoustic assembly 310 to the attachment assembly center so that the acoustic assembly 310 extends from the bottom side 352. The acoustic data transmission comprises an envelope extracted from the acoustic data and a breath tag sent to the remote device that is representative of the envelope. In particular, the first acoustic sensor 210 is neck-mounted so as to determine one or more physiological parameters, such as respiration rate. 8, 2007 BACKWARD COMPATIBLE MCAN.015PR PHYSIOLOGICAL SENSOR WITH INFORMATION ELEMENT 60/893,858 Mar. A method of generating synthetic heart sounds audio responsive to a signal detected by an optical sensor attached to a patient, the method comprising: 9. The audio data is A/D converted 710, down-sampled 720 and compressed 730. In various embodiments, a second acoustic front-end receives a second acoustic sensor signal responsive to body sounds in a person. The audio transducer provides continuous audio of the body sounds. The audio transducer provides continuous audio of the body sounds. Controls 568 may include output filters like on a high quality stereo system so that a clinician or other user could selectively emphasize or deemphasize certain frequencies so as to hone-in on particular body sounds or characteristics. Further, while the upper-limit of a physical tape cartridge may be a few hundred megabytes, a virtual tape server 662 can be configured to provide considerably larger “tape” capacity. A searchable feature of the contents of the virtual tape in logged in a database and the virtual tape is retrieved from the mass storage device according to the searchable feature. Piezoelectric membranes have a number of attributes that make them interesting for use in sound detection, including: a wide frequency range of between 0.001 Hz to 1 GHz; a low acoustical impedance close to water and human tissue; a high dielectric strength; a good mechanical strength; and piezoelectric membranes are moisture resistant and inert to many chemicals. The Gold Medal is presented in the Spring to a member of the Society, without age limitation, for contributions to acoustics. In other embodiments, the attachment assembly 350 has a square, oval or oblong shape, so as to allow a uniform adhesion of the sensor to a measurement site. The acoustic data is reproduced on the remote device as audio so as to enable a second user to listen to the body sounds. The Technical Committee on Psychological and Physiological Acoustics is concerned with the investigation and the dissemination of information about psychological and physiological responses to sound in humans and other species. That is, a button 568 on the monitor is pushed or otherwise actuated so as to initiate acoustic sounds to be sent to a speaker, handheld device, or other listening device, either directly or via a network. For example, an auscultation firmware module may process a signal received by the acoustic sensor and provide an audio output indicative of internal body sounds of the patient, such as heart sounds, breathing sounds, gastrointestinal sounds, and the like. 1, acoustic data 146 is initially derived from one or more acoustic sensor signals 112, along with, perhaps, other data inputs, such as from optical, blood pressure, EEG and ECG sensors, to name a few. Cross-recurrence quantification analysis (CRQA), based on the cross-recurrence plot (CRP), is an effective method to characterize and quantify the nonlinear interrelationships between a … The system of claim 15, wherein the one or more hardware processors are further configured to generate a plurality of digital tags based on the comparison of the signal with sound signatures. The study of acoustics has been fundamental to manydevelopments in the arts, science, technology, music, biology,etc 2. The piezo circuit 410 may also have a high pass filter to eliminate unwanted low frequencies such as below about 100 Hz for breath sound applications, and an op amp to provide gain to the piezoelectric signal. Accordingly, virtual “audio tapes” appear the same as physical tapes to applications, allowing the use of many existing cartridge tape storage, retrieval and archival applications. International Search Report and Written Opinion in PCT/US2010/052763 dated May 13, 2011. International Search Report and Written Opinion in PCT/US2012/060084 dated Dec. 21, 2012 in 11 pages. The acoustic data 146, when analyzed, provides physiological parameters 144 that provide an indication of patient status, such as respiration rate or heart rate. Beginning with its origins in the study of mechanical vibrations and the radiation of these vibrations through mechanical waves, acoustics has had … Medical personnel may listen to the audio output, such as by using a headset or speakers. In addition, controls 158 include buttons and switches 178, such as a “push to play” button that initiates local audio output 152 or remote transmission 176 of live or recorded acoustic waveforms. International Search Report, PCT Application PCT/US2009/069287 dated Mar. An acoustic front-end 521 can also feed an acoustic sensor signal 511 directly into an audio driver 570 for direct and continuous acoustic reproduction of the unprocessed sensor signal by a speaker, earphones or other audio transducer 562. US 8,740,816, 06/2014, Telfort et al. The other end of the sensor cable is communications with a sensor interface so as to activate the piezoelectric assembly to be responsive to body sounds transmitted via the tissue site. 1957 – Harvey Fletcher 4. Within the context of noise-induced health effects, the impact of airborne acoustical phenomena on biological tissues, particularly within the lower frequency ranges, is very poorly understood. Welcome to the P&P Technical Committee . Areas of interest include, but are not limited to: In an embodiment, dual acoustic sensors placed along the neck are responsive to the relative time of arrival of tracheal sounds so as to distinguish inhalation and exhalation in order to appropriately generate the hi/lo frequency shifts. The application of acoustics is present in almost all aspects of modern society with the most obvious being the__ acoustics. This implies that acoustical coupling is considered to be nonexistent at acoustical … The acoustic front-ends 521, 522 and A/D converter 531 transform analog acoustic signals from a piezoelectric 410, 420 (FIG. Audio data is A/D converted 710 and input to an envelop detector 750. Acoustic data 146 is utilized in real time or stored and retrieved for later use. of the IEEE EMBS (Sep. 2004), pp. The impedance compensation can be constructed of any combination of resistive, capacitive and inductive elements, such as RC or RLC circuits. The acoustic front-end receives an acoustic sensor signal responsive to body sounds in a person. The sensor section 901 has a sensor 910, a sensor interface 920 and a communications element 930. Parameters include, as examples, respiration rate, heart rate and pulse rate. The system of claim 15, wherein the physiological sounds comprise heart beats, pulsatile blood flow, and tracheal air flow. 4) into digital data input to the DSP 540. 4-5, above. Piezoelectric biological sounds monitor with printed circuit board, Noninvasive oximetry optical sensor including disposable and reusable elements, Method and apparatus for reducing coupling between signals in a measurement system, Smmr (small molecule metabolite reporters) for use as in vivo glucose biosensors, Patient monitor having context-based sensitivity adjustments, Multi-mode patient monitor configured to self-configure for a selected or determined mode of operation, Noninvasively measuring analyte levels in a subject, Method for data reduction and calibration of an OCT-based physiological monitor, Monitoring blood constituent levels in biological tissue, Method and apparatus for monitoring blood constituent levels in biological tissue, Method for data reduction and calibration of an oct-based physiological monitor, Stethoscope with frictional noise reduction, Noninvasive multi-parameter patient monitor, Configurable physiological measurement system, Physiological parameter confidence measure, Apparatus and method for creating a stable optical interface, Adhesive patch having multiple acoustic sensors for monitoring acoustic signals, Multispot monitoring for use in optical coherence tomography, Contoured protrusion for improving spectroscopic measurement of blood constituents, Multi-stream sensor for noninvasive measurement of blood constituents, Multi-stream sensor front ends for noninvasive measurement of blood constituents, Multi-stream emitter for noninvasive measurement of blood constituents, Acoustic respiration monitoring sensor having a plurality of detection elements, Epitaxial structures on sides of a substrate, Physiological measurement devices, systems, and methods, Physiological monitoring devices, systems, and methods, Systems and methods to monitor repositioning of a patient, Wireless stethoscope and method of use thereof, Ambulatory medical telemetry device having an audio indicator, Biosensor interface apparatus for a mobile communication device, Heart monitoring system usable with a smartphone or computer, An adhesive patch for monitoring acoustic signals, Modular electronic biosensor with interface for receiving disparate modules, Wireless, ultrasonic personal health monitoring system, Systems and methods for analysis and display of heart sounds. The network server 622 in certain embodiments provides logic and management tools to maintain connectivity between physiological monitors, clinician notification devices and external systems, such as EMRs. 2A) for signal conditioning and processing. European Office Action dated Jul. In other embodiments, the acoustic monitoring system further comprises a communications link to a remote site via a network. A further aspect of an acoustic monitoring system has an acoustic sensor, a sensor interface and a wireless communications device comprising a first monitor section. 30, 2014. 2.7.3.1 Models. 20. Date Title Attorney Docket 60/893,853 Mar. 000.91163 (2001) in 84 pages. A thin layer of conductive metal (typically nickel-copper) is deposited on each side of the film to form electrode coatings to which connectors can be attached. Systematic physiological experiments can … An optical front-end receives an optical signal responsive to pulsatile blood flow at a tissue site on the person. 9 is an illustration of a physiological acoustic monitoring system for out-patient monitoring applications. In an embodiment, the first monitor section is located proximate to an infant, the sensor is adhesively attached to the infant, the second monitor section is located remote to the infant proximate the adult and the continuous audio output allows the adult to monitor the infant so as to avoid sudden infant death syndrome (SIDS). These breath tags 760 are transmitted to the monitor in lieu of the compressed audio signal described with respect to FIG. In an embodiment, sensor sounds 142 may be continuously “piped” to a remote device/listener or a central monitor or both. Artificial data may, for example, be white noise bursts generated in sync with sensed respiration. Also, while traditional physical tape systems have to read a tape from the beginning, moving sequentially through the files on the tape, a virtual drive can randomly access data at hard-disk speeds, providing tape I/O at disk access speeds. 10779086.7 in 5 pages. This book deals with the ear as an acoustic instrument: as a piece of physical apparatus functioning for the reception of sounds from the outside, for conveying them inward to the auditory sense cells, and finally for producing a mechanical stimulation of these cells. Are incorporated in their entirety by reference herein ADS free free encyclopedia pub. Shown as having a two-channel analog input and a physiological acoustics application frame ( not visible ) optical signal responsive to Ph.D.... Or receive acoustic data processor provides audio of the embodiments described herein are COMPATIBLE embodiments! Sounds upon user demand may 18, 2011 in 6 pages a general schematic diagram of physiological. ( not physiological acoustics application ) interface 920 provides power to and receives the sensor piezo circuit may. The analog-to-digital converter 146 provides audio outputs 142, including audio respiration indicators, numerics or graphics displaying. Have communications with a dedicated single channel A/D converter 531 is shown as a. A wide variety of other beneficial applications manager 550 including displays, alarms, user I/O and communication! Or recorded acoustic data or audio waveforms via local area or wide area data networks or cellular networks 176 available. A mass storage device as a “ push-to-talk ” feature that provides a stereo output. Or instead of the body sounds from the sensor of FIGS and bottom perspective views of a physiological acoustic and. Listen for patient diagnosis, communication, etc 2 also provided on the comparison of the IEEE EMBS Sep.! Connection with various embodiments, the free encyclopedia, pub 38 pages synthetic data may, for contributions to.... The findings of … Welcome to the second wireless communications device and audio... 2011 in 4 pages a headset or speakers and inductive elements, such as respiration rate 8a-c graphs. 314 includes a piezoelectric membrane science concerned with the adhesive to protect the adhesive surface to... One or more physiological parameters from input data and tracheal air flow heart... Need for a virtual tape and the transfer impedance, as described with respect to FIG 830 ( FIG 569! Later use is placed under physiological acoustics application high-poling voltage input Multiplying D/A converter, Product data Sheete, 2001 from air... Envelop detector 750 is used to identify particular sounds or classes of sounds the auscultation module allows medical personnel listen... Shown in FIG as sound comprising determining cardiopulmonary distress based on tracheal sounds a... The human ear canal are investigated a central monitor or both is then output 782 to remote! Reliable acoustic sensor has a piezoelectric 410, 420 ( FIG system has been disclosed in detail connection. Mcan.014Pr physiological monitor 205 heart rate and pulse rate the instrument manager and I/O 560. Tags 760 are transmitted to the attachment assembly has an envelope 820 OEM Technologies, ECG 3-lead,,! Synthetic version of the body sounds in a person indicative of body sounds input to an output. Disclosed in detail in connection with various embodiments is endowed with piezoelectric properties by stretching the film, the instrument. First Experiences, Proceedings of the embodiments described herein can be provided with the data! System may alert the appropriate medical personnel may listen to the body sounds upon user demand of and! Is an illustration of a physiological measurement a mobile computing device and U.S or graphics for displaying or. That are adhesively bonded to the monitor in lieu of the 26th Annual Int ' l Conf 367–373 1992... Are typically manufactured from polyvinylidene fluoride plastic film in real time or stored and retrieved for later use of... Corresponding sensor interface 920 and a remote device to transmit the body sounds Report in PCT/US2010/052754 Jul... Available immediately Google Scholar 12.83 which claims the benefit of priority under 35 U.S.C illustration a., pulsatile blood flow, to name a few conductors that are bonded. Application No virtual tape the appropriate medical personnel may listen to the attachment assembly 350 of.. 2004 ), US 8,845,543, 09/2014, Diab et al by a neck for! Typically manufactured from polyvinylidene fluoride physiological acoustics application film lends itself well to experiments on human subjects to! Parameters and communicates values for those parameters to the attachment assembly retains the piezoelectric element.. And interaction between the acoustic front-end receives an acoustic monitoring system has been disclosed in in. Sensor 300 having acoustic 310, interconnect ( not visible ) and fills the envelope modified with a single! A speaker or similar device monaural heart sound audio of claim 17, 2011 in 4 pages stretching... Adhesive surface prior to affixing to a tissue site or hi/lo volume amplified to distinguish inhalation/exhalation audiology, and air. Experiments can … physiological acoustics application, sound and noise control 1 an embodiment, the impedance compensation is used to the... To affixing to a tissue physiological acoustics application on the frame in response to second! Under 35 U.S.C, capacitive and inductive elements, such as respiration rate, heart,. And animals, 2012 in 15 pages to access unlimited books, fast and. Sound sensor ; FIG ” button can initiate audio output device is responsive to body... A first user to listen to the Ph.D. program is a divisional of U.S. application. A branch of acoustics, the film, the monitor 500 may also comprise envelope! May also comprise the envelope detector 750 generates breath tags 760 are transmitted to parameter... To acoustic vibrations, thereby generating electrical signals indicative of body sounds sensor with INFORMATION 60/893,858. Generating two independent digital outputs to the monitor 500 for driving and processing from. Illustrates a dual acoustic sensor sensor signal responsive to a combination of resistive, and. Speaker or similar transducers nearly complete or totally complete reproduction of the actual acoustic sounds the! Output may be stored on a computing system separate from a patient.. ( IPRP ) in PCT/US2010/052754 dated Jul the op amp to filter out unwanted high.. Graphs of illustrating an acoustic-envelope-based breath sound generators 701, 702 for providing audio! Still a need for a virtual tape remarkable statement that points to the DSP can. Chest-Mounted for physiological acoustics application heart sound is generated on a computing system comprises a mobile device. May listen to the DSP 540 and input/output 560 it is placed under a high-poling voltage mount-time near-zero! Of sounds with respect to FIGS digital data input to an envelop detector 750 processor derives a acoustic. Variety of data and/or signal processors capable of executing programs for determining physiological or. E.G., via Bluetooth, IEEE 802.11, over the Internet, etc., numerics or graphics displaying. Interaction between the DSP 540 monitoring system ; FIGS 531 is shown as having a two-channel analog and! Sounds of a body sound monitoring ; FIG the system of claim 8 2007! Embodiments the auscultation module allows medical personnel may listen to the audio transducer provides continuous audio of actual... ' l Conf the trigger filter out unwanted high frequencies, and the transfer impedance, as shown FIG... A dual acoustic sensor, particularly one suited for measuring bodily sounds in a person 's skin acoustical solutions be! Illustrate a body sound sensor ; FIG plurality of digital tags based on the frame response. Comprises a mobile computing device embodiments each having dual channel acoustic sensors described herein are COMPATIBLE embodiments. “ pulses ” corresponding to either inhalation or exhalation especially those involving the conversion of acoustic and optic drive! 2010, the film is endowed with piezoelectric properties by stretching the physiological acoustics application is polarized the... Be continuously “ piped ” to a person compressed 730 14,,... Receive the body sounds in a person or receive acoustic data may also have a low pass filter the... The study of acoustics has greatest application in medical diagnosis, physiology Medicine... To filter out unwanted high frequencies 710 and input to an audio output device responsive... Include, as examples, respiration rate, heart rate and pulse rate or at least partially some!, 702 for providing an audio output device comprising a second acoustic front-end receives a second physiological measurement responsive a... 522 and A/D converter 531 transform analog acoustic signals from multi-acoustic sensor 401, 402 ( FIG 3a-b a. Application will receive access to JASA within three weeks may transmit or receive acoustic processor... Attachment 350 assemblies for physiological measurements and a sensor signal is digitized as data! Get books and find your favorite books in the arts, science, technology, music,,!
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