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Hearing Device Gain Reference Offset Tool

Bench level-difference arithmetic with a supplied reference, not a device fitting recommendation.

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Description

Return observed hearing-device gain and reference gap in decibels.

Audiological records depend on ear/channel identity, stimulus calibration, timing and decibel reference conventions. A local level difference or response share can reconcile supplied observations while hearing ability, safe sound output and clinical test interpretation require validated procedures and professional assessment.

Return observed hearing-device gain and reference gap in decibels.

When to use this tool

Use Hearing Device Gain Reference Offset when checking the stated hearing-test record, acoustic level, frequency or timing convention.

How to use the tool and how it works

  1. Enter measuredOutputDb, measuredInputDb, referenceGainDb. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read measuredGainDb, gainGapDb. Use the output convention below.

Return observed hearing-device gain and reference gap in decibels. measuredGainDb = outputDb-inputDb, gainGapDb = measuredGain-referenceGainDb.1

Input fieldMeaning and unitsAccepted input
measuredOutputDbMeasured Output DbRequired. Finite number.
measuredInputDbMeasured Input DbRequired. Finite number.
referenceGainDbReference Gain DbRequired. Finite number.
Output fieldInterpretationReturned shape
measuredGainDbMeasured Gain DbRequired. Finite number.
gainGapDbGain Gap DbRequired. Finite number.
json
{
  "input": {
    "measuredOutputDb": 80,
    "measuredInputDb": 60,
    "referenceGainDb": 15
  },
  "output": {
    "measuredGainDb": 20,
    "gainGapDb": 5
  }
}

Limitations and assumptions

  • Measurement dB references and test conditions must be compatible; the result is not a fitting recommendation, safe-output limit or device validation.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Use calibrated equipment and a complete validated audiological method; consult an appropriate hearing-health professional for diagnosis, fitting or safe exposure decisions.

References

  1. Calculation and input contract: audiology/hearing-device-gain-reference-offset — tool.io

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