page_title: Audiometer
section_title: Functionality
hierarchical_section_title: Audiometer / Functionality
caption_attribution_description: Vintage Maico Model F-1 Portable Audiometer Hearing Tester, Vacuum Tube Unit, Circa 1960s
context_page_description: An audiometer is a machine used for evaluating hearing acuity. They usually consist of an embedded hardware unit connected to a pair of headphones and a test subject feedback button, sometimes controlled by a standard PC. Such systems can also be used with bone vibrators, to test conductive hearing mechanisms.
  Audiometers are standard equipment at ENT clinics and in audiology centers.
  An alternative to hardware audiometers are software audiometers, which are available in many different configurations.
  Screening PC-based audiometers use a standard computer.
  Clinical PC-based audiometers are generally more expensive than software audiometers, but are much more accurate and efficient. They are most commonly used in hospitals, audiology centers and research communities. These audiometers are also used to conduct industrial audiometric testing. Some audiometers even provide a software developer's kit that provides researchers with the capability to create their own diagnostic tests.
context_section_description: An audiometer typically transmits recorded sounds such as pure tones or speech to the headphones of the test subject
  at varying frequencies and intensities, and records the subject's responses to produce an audiogram of threshold sensitivity, or speech understanding profile.
caption: Portable audiometer Maico, circa 1960s
exif: {"Image ImageDescription": "", "Image Make": "Polaroid", "Image Model": "iS2132", "Image XResolution": "96", "Image YResolution": "96", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "1.0900", "Image DateTime": "2015:02:07 14:02:53", "Image Artist": "Picasa", "Image YCbCrPositioning": "Co-sited", "Image Copyright": "Copyright 2012", "Image ExifOffset": "270", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1282", "Thumbnail JPEGInterchangeFormatLength": "6600", "EXIF Tag 0x2031": "0", "EXIF ExposureTime": "1/60", "EXIF FNumber": "7/2", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2015:02:06 20:28:09", "EXIF DateTimeDigitized": "2015:02:06 20:28:09", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "8", "EXIF ShutterSpeedValue": "2953/500", "EXIF ApertureValue": "3613/1000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3263/1000", "EXIF MeteringMode": "MultiSpot", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash fired, compulsory flash mode, return light not detected", "EXIF FocalLength": "77/10", "EXIF SubSecTime": "[48, 0]", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "2474", "EXIF ExifImageLength": "3449", "EXIF RelatedSoundFile": "", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "4608", "Interoperability RelatedImageLength": "3456", "EXIF InteroperabilityOffset": "1134", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "0", "EXIF FocalLengthIn35mmFilm": "43", "EXIF SceneCaptureType": "255", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF ImageUniqueID": "920fd1fff4d16baa74ce8b6becce94f1"}