WO2005096732A2 - Systeme de logiciel pour appareil auditif - Google Patents

Systeme de logiciel pour appareil auditif Download PDF

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Publication number
WO2005096732A2
WO2005096732A2 PCT/US2005/010557 US2005010557W WO2005096732A2 WO 2005096732 A2 WO2005096732 A2 WO 2005096732A2 US 2005010557 W US2005010557 W US 2005010557W WO 2005096732 A2 WO2005096732 A2 WO 2005096732A2
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WO
WIPO (PCT)
Prior art keywords
hearing aid
patient
software system
accordance
computer interface
Prior art date
Application number
PCT/US2005/010557
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English (en)
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WO2005096732A3 (fr
Inventor
Natan Bauman
Original Assignee
Vivatone Hearing Systems, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivatone Hearing Systems, Llc filed Critical Vivatone Hearing Systems, Llc
Publication of WO2005096732A2 publication Critical patent/WO2005096732A2/fr
Publication of WO2005096732A3 publication Critical patent/WO2005096732A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Definitions

  • the hearing aid comprises: at least one speaker, the at least one speaker configured to transmit sound to an external portion of at least one ear of a patient; a computer interface configured to generate sound samples for the patient and configured to accept subjective patient input relative to such generated sounds from the patient, wherein the computer interface is also configured to vary the volume of the sound samples according to the command of either the patient or an administrator; and a second computer interface configured to permit a patient or administrator to adjust amplification settings for a hearing aid based on said subjective patient input subsequent to or concurrently with playing sound samples at fixed volume through the at least one speaker with said hearing aid installed in the patient's ear.
  • Such software may also create a patient record that may be updated during repeat visits to update or modify existing programs and parameters, or to create new programs for patient use.
  • the software incorporates one or more of a plurality of useful interface screens, including a patient lifestyle information screen, a COSI screen, a "set levels” phase screen, a "fitting” phase screen, an "advanced settings” screen, and a "compare” screen.
  • the patient lifestyle screen may include any information useful to an audiologist in generating a proper fitting.
  • the COSI screen stores the patient's preferred outcomes with hearing aids and may permit a viewing of a patient's progress over time.
  • the set levels phase screen lets the audiologist demonstrate the ability of hearing aids through the use of sound samples that emphasize various frequency bands. This screen also permits the audiologist and/or the patient to adjust volume levels, filters, play through alternate speakers, etc.
  • the fitting phase screen permits the audiologist and/or patient to adjust levels with the hearing aid in place.
  • the fitting be provided with indicators on various sliders, which illustrate settings based on a patient's subjectively generated settings (from the settings phase screen or elsewhere).
  • the advanced settings screen grants the audiologist more control over settings by providing a more complex set of controls.
  • the compare screen shows the graphs from the advanced screen for a plurality of possible programs to permit visual comparison of such programs and facile editing with reference to other programs.
  • FIGURE 1 is a screen shot of an exemplary software navigation framework
  • FIGURE 2 is a screen shot of an exemplary patient lifestyle data screen
  • FIGURE 3 is a screen shot of an exemplary client oriented scale of improvement screen
  • FIGURE 4 is a screen shot of an exemplary set levels phase screen
  • FIGURE 5 is a screen shot of an exemplary fitting phase screen
  • FIGURE 6 is a screen shot of another exemplary fitting phase screen
  • FIGURE 7 is a screen shot of an exemplary advanced settings screen
  • FIGURE 8 is a screen shot of an exemplary compare screen
  • FIGURE 9 is a flow diagram for exemplary validation of security codes.
  • FIGURE 10 is a flow diagram for exemplary connection of instruments to the software system.
  • the presently described exemplary software system may be used by an audiologist or hearing aid dispenser (hereinafter collectively referred to as "administrator") during the process of fitting a patient for a hearing aid.
  • the system may rely on input from the administrator and or the patient during such fitting process.
  • Such input may control, e.g., parameters related to hearing aid amplification resultant from the playing of and the rating of various sample sounds and speech played at known volumes.
  • a basic exemplary process includes one or more of the following: administrator launch of software; entry of basic patient information, which may include patient lifestyle information; initiation of an introductory level setting phase during which the patient listens to, without hearing aids, and adjusts the volume of various sounds and speech, played, e.g., through speakers, that emphasize a cross section of frequency bands; and, initiation of a fitting phase, during which the patient wears a hearing aid and repeats at least some of the aspects of the introductory level setting phase.
  • the patient may adjust sounds, using a simple interface, to soft, comfortable and loud levels, allowing the software to calculate settings for the hearing aid.
  • the software may be configured to work on one ear at a time, followed by both simultaneously. While setting levels for one ear (as opposed to both simultaneously), it may be advantageous to occlude the other ear (e.g., by using headphones).
  • the software may be configured to switch between headphone and external speaker modes.
  • an interface may be provided which displays such introductory level settings as, e.g., a "patient subjective listening levels" screen, and which may be accessible from a "fitting phase” screen.
  • the volume of the sounds from the introductory level settings phase may be held constant while the settings in the hearing aid are adjusted.
  • the patient may also be asked to listen to and rate the intelligibility of speech heard at normal conversation levels, e.g., 65 decibels.
  • This fitting phase may also be configured to permit the administrator to create new programs that can be altered to have a unique set of characteristics, and to manage programs previously created.
  • a fitting phase interface/screen may contain features to assist in the creation of variations of a program for use in particular situations and to fine tune programs to combat particular complaints (e.g., tinny sounds).
  • any level of control may be provided in an interface.
  • a more advanced screen permits an administrator finer control (e.g., control over more frequencies) than in another screen (e.g, a basic fitting phase screen).
  • the software may permit an administrator to manage programs stored in hearing aid memory and/or to calibrate speaker volumes.
  • the software interface may include a basic framework (appearing on each screen as, e.g., shortcuts, buttons or a menu) permitting navigation between various interfaces or screens.
  • such framework includes one or more of the following: menus, toolbar buttons, folder tabs and content areas.
  • the following table 1 illustrates an exemplary menu organization and content. TABLE 1: MENUS
  • Toolbar buttons may include one or more of the following: various NAOH toolbar buttons; undo and redo buttons, store memory buttons, A/B memory buttons; and connect instruments buttons, which cause the system to check for connected instruments, and which may be grayed out when instruments are connected.
  • Folder tabs may be provided to give an administrator quick access to different screens, and may include tabs for one or more of the following: a tab for patient information; a tab for entering or assessing client oriented scale of improvement data (COSI); a tab for setting levels (that is, for assessing a patient's subjective listening levels); a fitting tab, which may lead to a screen for adjusting instrument parameters; an advanced tab, for adjusting parameters in a fine level of detail; and a compare tab, which may show programs currently slated for the memories of attached instruments (e.g., for instruments with four memories, the screen may be divided into quadrants, each showing one of the memories).
  • Content areas may be configured to contain the controls and information necessary to perform all of the instrument fitting tasks. With reference to FIGURE 1, an exemplary interface framework is illustrated generally at 10, showing menus 12, toolbars 14, folder tabs 16 and a content area 18.
  • a program is a set of parameter value's that describe a hearing aid's response.
  • a program comprises, e.g., twelve EQ values and two or four compression channels.
  • a simplified view of a program may comprise an indicator of four values, which are derived from the twelve EQ values and the two or four compression channels, which may be adjusted to manipulate the program.
  • a program may describe the settings for a single hearing aid.
  • the software may allow the administrator to manipulate a program for each ear simultaneously, so that when an administrator creates new programs, deletes programs, etc., the administrator must be prompted as to which program is being affected. Otherwise, the application may be directed to affect both ears, in which case only one program is used.
  • administrators may have the option to have a program burned immediately into the hearing aid, or to have a program burned at the end of a session.
  • an exemplary patient lifestyle information screen is illustrated generally at 20.
  • an administrator may enter and update information regarding the patient that is not captured by the NOAH screen, including the presence, level, frequency or importance of one or more of the following: background noise; sounds that are quiet and difficult to hear; sounds that vary a lot in loudness; speaker whose voice is unfamiliar; sounds of nature; live music; television; social situations and/or multiple speakers; listening to young children; work environments; and house of worship.
  • This lifestyle screen may also include a patient name and a date of initial assessment.
  • the COSI information page may be configured to store a patient's preferred outcomes with the hearing aids and indication of progress over time.
  • An administrator may create a new assessment at every meeting with the patient, and fill in the changes the patient has experience over time.
  • the COSI screen may provide one or more of the following features: display of the date of initial assessment, a function permitting generation of a new outcome assessment, which is a collection of answers to COSI questions (a popup or the like may allow the administrator to display previously created assessments); and various needs assessment areas.
  • the needs assessments areas may include one or more of the following: a need popup or the like; an example popup or the like containing a list of sound samples and a play button to play the samples; a notes field which can hold a line of text; checkboxes or the like indicating conditions (e.g., worse, no change, slightly better, better or much better); and checkboxes or the like indicating percentages or the like (e.g., 10%, 25%, 50%, 75%, and 90%).
  • the needs popup may include one or more of the following objectives: improve overall ease of hearmg and understanding; improve television listening; improve/clarify music; improve/clarify distance hearing/understanding; improve/clarify hearing/understanding in restaurants; improve/clarify hearing spouse/family members; improve/clarify telephone performance; improve/clarify hearing and understanding in house of worship; improve/clarify hearing at work; and improve/clarify hearing in theater.
  • the example popup may include one or more of the following sample sounds: at a party; bird singing; classical music; dialog at a party; dialog at a restaurant; dialog in a car; dialog in a living room; dialog in a public space; dialog in traffic; doorbell; woman speaking; woman lecturing; heavy traffic; industrial machines; inside a car; jazz music; man speaking; man lecturing; restaurant; schoolyard; telephone; and TV news.
  • an exemplary set levels phase screen is illustrated generally at 40.
  • the set levels phase screen permits an administrator to demonstrate the abilities of the hearing aid though the use of sound samples that emphasize various frequency bands.
  • the administrator and the patient may adjust the volume levels of various sounds, played through speakers or headphones, to discover appropriate soft, comfortable and loud sounds.
  • the sounds may be played through a filter that approximates the hearing loss experienced by the patient, which may be useful to explain the problem to, e.g., the patient's spouse.
  • the settings gathered during this phase are referred to as patient subjective listening levels, which can be referenced in or accessed from the fitting phase screen.
  • features of the set levels phase screen may include one or more of the following: allowance for the patient to set volume levels for sounds played through the speakers or headphones in various frequency bands (the above described simplified four frequency bands (as e.g., low, low-mid, high-mid and high) may be used for patient control to various levels (e.g., soft, comfortable and loud); mute of audio from either speaker; graph viewing of the audiogram with articulation index or current level settings; selection of speaker or headphone calibration levels.
  • the volume of various frequency bands may also be adjusted by an administrator, who may click on one of the eight illustrated sliders and move the slider thumb with the mouse.
  • a patient may, e.g., use up and down arrow keys to move the sliders.
  • Sound samples may be played by pressing the play button (toggling sound on or off) or pressing the space bar. An administrator may click on a sound sample to select that sample, or the patient may use the left and right arrows to select a sample. Sounds may also be played filtered in various ways. In another embodiment, a first sound sample is automatically selected when the software launches.
  • exemplary fitting phase screens are illustrated generally at 50.
  • the fitting phase screen(s) is used with a hearing aid in place.
  • the screen allows the patient to hear sample sounds, played at a fixed level through speakers, and to adjust the amount of amplification provided to by the hearing aid.
  • the application may be configured to check for connected instruments upon activation of the software or upon entering of the screen. If no instruments are connected to the system, then a dialog may prompt the user to either retry the connection or enter a simulation mode, which allows the screen to be manipulated without connected instruments. In the latter case, the user may connect instruments at a later time by selecting the appropriate menu item or shortcut.
  • features of the fitting phase screen may include one or more of the following: select a program location to edit; allow the patient to set hearing aid response levels for sounds played through speakers in each of the accessible frequency bands (e.g., low, low- mid, high-mid and high) to certain levels (e.g., soft, comfortable and loud); allow the patient to adjust hearing aid response levels of speech to certain levels (e.g., soft, comfortable and loud); mute of either hearing aid; access to the select hearing instrument dialog; access to graph views of the audiogram with articulation index; for program 1, display of an indication as to how to adjust sliders to match the settings calculated from the patient's subjective listening levels; and for programs 2, 3 and 4, display of an indication as to how to adjust sliders to create particular variations of the baseline program in program 1.
  • select a program location to edit allow the patient to set hearing aid response levels for sounds played through speakers in each of the accessible frequency bands (e.g., low, low- mid, high-mid and high) to certain levels (e.g., soft, comfortable and loud); allow
  • a radio button or the like appears for each program. If there is only one memory for a type of device, no radio buttons are shown. For multi- memory devices, a manage button may appear next to the program selection radio buttons. This may bring up the manage programs dialog, which may also be available through the menu system and/or the toolbar icon. If memory is disabled, then it's corresponding radio button may be grayed out and may not be selectable.
  • the model of the hearing aid may be specified for each ear. Where only one instrument is used, "none" may be selected. In such latter case, no adjustments are possible and any controls for that side may be grayed out.
  • Sound samples in the fitting phase screen are played at a fixed level.
  • the response of the hearing aids may be adjusted by frequency band by sliders, or the like.
  • the administrator may click on one of the sliders (eight are illustrated), and adjustment may be effected by moving the mouse.
  • the up and down arrows may be used (e.g., by the patient).
  • Sound samples are played by pressing the play button (toggling sound on or off) or by pressing the space bar.
  • the administrator may click on one of the sound samples to select it, or the patient may use left or right arrows to select it. Sounds may be played filtered in various ways.
  • the software displays "tic marks" 52 or the like next to the sliders on the fitting phase screen that may be used to guide the user in adjusting settings to achieve a particular result.
  • program 1 may display either a default program or a program calculated to correct for the subjective hearing levels determined in the level settings phase.
  • programs 2, 3 or 4 may display selectable variations of program 1.
  • One of these maybe a copy of program 1, which displays the current setting of the baseline.
  • Another may be configured for dual microphone models of hearing aids, which displays a variation tuned for use with directional microphones (this variation may also enable directional microphones, but if the current hearing aid does not support directional microphones, the variation may not be available).
  • These variations may be configured to always be displayed, once initially selected in the selected programs, whenever the memory is active in the fitting screen until a different variation is selected.
  • an exemplary advanced settings screen is illustrated generally at 60. In the advanced settings screen, the administrator generally has more control over the settings for the hearing aid.
  • the administrator sees a more complex set of controls, which allows for finer tuning of the system. Like the fitting screen, the administrator may also play audio through the speakers at a fixed level, and adjustments are reflected in the response of the hearing aids. [0046] When entering this screen, the software may check for connected instruments.
  • a dialog may prompt the user to either retry the connection or enter a simulation mode, which allows the screen to be manipulated without the connected instrument(s).
  • the advanced settings screen may include one or more of the following features: selection of a memory location to edit (if there is only one memory for a type of device, there may not be an option to change locations) (a manage button may also appear, which brings up the manage programs dialog to allow the user to turn programs on and off); gain adjustment of twelve frequency bands per instrument; adjustment of two or four channels of compression per instrument (depending on the model of the hearing aid), including compression ratio, threshold and expansion threshold; on off control of feedback rejection; set of maximum power output; access to the select hearing instrument dialog; mute of individual hearing aids; graph view of the audiogram reflective of the current program's settings; and display of comparisons of correction of programs in four memory locations.
  • the response of the hearing aids may be adjusted by moving the sliders or using the arrow keys as described above.
  • sound samples may be selected and played as described above.
  • the administrator may select from a list of variations (e.g., restaurant, telephone, etc.) or problems (e.g., tinny sound), and the application will display recommended adjustments to the current program to deliver a solution optimized for the selected variation or problem.
  • an exemplary compare screen is illustrated generally at 70.
  • the screen shows four quadrants, each displaying graphs for corresponding left or right programs in each memory.
  • the screen may be configured such that it is divided in half, with one half showing the left program and one showing the right.
  • the graphs are the same as shown on the advanced screen. Each section is labeled and has an edit button, which gives access to the advanced screen. The advanced screen then displays the program and side that was selected for editing.
  • an exemplary security scheme is illustrated as a flow diagram generally at 80. It may be desired by some administrators to restrict their patients from having their instruments altered by others. To this end, the software system may support a security code that allows an administrator to lock instruments to the administrator's practice. If a dispenser connects instruments with a code that does not match that of the dispenser's practice, the software disallows any reading from and/or writing to the instruments.
  • the security code may be set using a security code menu item, which brings up a dialog into which the dispenser may enter code, e.g., a four digit code. This code is burned into instruments when they are programmed, and is used to compare against the code in the connected instruments.
  • code e.g., a four digit code.
  • the dispenser When a non-matching instrument is connected, the dispenser is presented with a warning dialog that contains a message and a mismatch code. If it is necessary to override the security code (if, e.g., the patient is changing administrators), the new dispenser must call manufacturer support and supply this mismatch code. The manufacturer may then give the dispenser an override code. If the user clicks the override button on the warning dialog, the user must enter the override code. The software will then reprogram the instrument(s) with the new dispenser's security code and lock the instruments to the new dispenser's practice. If the user enters a non-matching override code, a warning dialog is displayed and the override dialog is shown again.
  • connection process may be initiated by: selecting connect instruments from the menu; pressing connect from the toolbar; or switching into the fitting, advanced features or compare screens.
  • connection hardware e.g. Hi-Pro or Microcard
  • the select hardware dialog may be shown, and the user makes a choice. If the chosen hardware cannot be detected, the user may see a warning and the select hardware dialog may be shown again. If the instruments are not detected, the user may be presented with a warning dialog. From there the user may retry, cancel or proceed in simulation mode.
  • the number and side of connected instruments should match the number previously programmed for the patient, if any. If the number does not match, the user may be given the below described options. If the patient previously had two instruments and now only has one, the user may have the option to: just use one instrument for the time being; change the number of instruments for the patient to the current setup; detect again; enter simulation mode; or cancel. If the patient previously had one instrument and now has two connected, the user may have the options to: change the number of instruments for the patient and copy the programs from one instrument into the new one; detect again; enter simulation mode; or cancel.
  • the user may have options to: change the patient's record to show the instrument on the other side; detect again; enter simulation mode; or cancel. If one or two instruments are plugged in backwards (left on right side or vice-versa), a warning dialog may prompt the user to reconnect and try again.
  • the number of memories may be examined to ensure a match between the programs established for the patient and the instruments connected. If something doesn't match, the user may see the following options for each side. If the patient previously had an instrument with four memories and now has an instrument with one, the user may have option to: discard the programs in the extra memories; detect again; enter simulation mode; or cancel. If the patient previously had an instrument with one memory and now has an instrument with four, the user may have the option to: use the new instrument; detect again; enter simulation mode; or cancel. [0058] If one or more instruments have never been programmed before, the user's code (or a default) may be written to the device and the user may proceed with programming.
  • the instruments may not be read from and/or written to. A warning dialog is shown, and the user may retry, cancel or enter simulation mode.
  • the security code matches, the programs stored in the instrument may be downloaded and compared against the programs that were last know to be stored in the instrument. If they match, the user may proceed. If not, the user may be given the option to download programs into the instruments or to upload programs from the instruments.
  • the user Even if there are no instruments connected, the user may want to view and operate the fitting and/or advanced settings screens. In this case, the application can present the screens but disable features that change any settings on the instruments (simulation mode).
  • the user may make changes to programs which will be saved, and when instruments are connected in the future, the changes programs may be downloaded into the instruments.
  • the system will check for connected instruments. If no instruments are found, the system gives the user the option to enter simulation mode. If, while in simulation mode, the user selects connect instruments buttons or menus, the system again checks for instruments. If they are found, the system exits simulation mode. Otherwise, the same warning dialog is shown giving the user the option to continue in simulation mode. Changes made by the user in simulation mode may be stored and may be downloaded into instruments connected in a future session.
  • Sound samples may be played by clicking on the samples, or by using left and right arrows to select a sound sample.
  • the space bar may be used to stop and start sound samples.
  • Sound samples may be played unfiltered, filtered to pass only the frequency band currently being edited, or filtered to simulate a patient's hearing loss.
  • the sounds may be played in stereo, or either channel may be muted.
  • Sound samples are generally particular to the frequency bands, and the software may be configured such that selecting of a frequency band displays a new set of samples.
  • an exemplary list of sound samples follows: horn; road noise; refrigerator; lawn mower; vowels; and drums.
  • an exemplary list of sound samples follows: male voice; clapping; female voice; music sounds; vowels; and consonants.
  • an exemplary list of sound samples follows: child's voice; dishes; female voice; whistling; consonants; and music sounds.
  • an exemplary list of sound samples follows: cymbals; rustling leaves; flute; crickets; whistling; and violin.
  • the application may be configured to play a conversation, e.g. between a man and a woman alone or between a man and a woman with background noise (e.g., in a restaurant).
  • the system may also be configured to permit change of samples from sound to speech.
  • the system may incorporate dialog boxes which, in response to various scenarios, prompt the user to take action, select an option or acknowledge a message. Exemplary dialog boxes are included below at TABLE 2. TABLE 2: DIALOGS

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Un système de logiciel pour appareil auditif facilite la coopération entre l'audiologiste et le patient pour effectuer les ajustements soignés et appropriés des appareils auditifs et générer les paramètres de programmation utiles.
PCT/US2005/010557 2004-03-30 2005-03-30 Systeme de logiciel pour appareil auditif WO2005096732A2 (fr)

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US60/558,360 2004-03-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010072845A3 (fr) * 2010-03-16 2011-06-30 Phonak Ag Système d'ajustement et procédé d'ajustement d'un système auditif
US10483933B2 (en) 2017-03-30 2019-11-19 Sorenson Ip Holdings, Llc Amplification adjustment in communication devices
US11558702B2 (en) 2020-07-16 2023-01-17 Sonova Ag Restricting hearing device adjustments based on modifier effectiveness

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167138A (en) * 1994-08-17 2000-12-26 Decibel Instruments, Inc. Spatialization for hearing evaluation
US6201875B1 (en) * 1998-03-17 2001-03-13 Sonic Innovations, Inc. Hearing aid fitting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167138A (en) * 1994-08-17 2000-12-26 Decibel Instruments, Inc. Spatialization for hearing evaluation
US6201875B1 (en) * 1998-03-17 2001-03-13 Sonic Innovations, Inc. Hearing aid fitting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010072845A3 (fr) * 2010-03-16 2011-06-30 Phonak Ag Système d'ajustement et procédé d'ajustement d'un système auditif
US9398385B2 (en) 2010-03-16 2016-07-19 Sonova Ag Fitting system and method for fitting a hearing system
US10483933B2 (en) 2017-03-30 2019-11-19 Sorenson Ip Holdings, Llc Amplification adjustment in communication devices
US11558702B2 (en) 2020-07-16 2023-01-17 Sonova Ag Restricting hearing device adjustments based on modifier effectiveness

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