Windscreen Insertion Loss
Calculate measured windscreen insertion loss at a caller-specified frequency without generalizing it to other windscreens or incidence conditions.
Description
Windscreen insertion loss is a measured level difference at one frequency and configuration.
Windscreen insertion loss is a measured level difference at one frequency and configuration.1
Calculate measured windscreen insertion loss at a caller-specified frequency without generalizing it to other windscreens or incidence conditions.
When to use Windscreen Insertion Loss
Use this tool to calculate measured windscreen insertion loss at a caller-specified frequency without generalizing it to other windscreens or incidence conditions.
Choose a supported reference topic, run an input-free reference with an empty object, or prepare the measured values and caller-supplied test records requested. Keep acoustic metrics, frequency, units and test conditions consistent.
How to use Windscreen Insertion Loss and understand its results
- Choose a supported reference topic, run an input-free reference with an empty object, or prepare the measured values and caller-supplied test records requested. Keep acoustic metrics, frequency, units and test conditions consistent.
- Enter frequencyHertz, levelWithWindscreenDecibels, levelWithoutWindscreenDecibels using the field table and calculation rules, then run the tool.
- Read frequencyHertz, insertionLossDecibels. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| frequencyHertz | Frequency (Hz) | number; minimum: 0 | Required |
| levelWithWindscreenDecibels | Level with windscreen (dB) | number | Required |
| levelWithoutWindscreenDecibels | Level without windscreen (dB) | number | Required |
Enter positive frequency Hz and finite signed levels on a comparable measurement basis; return frequency and signed dB loss.
loss=levelWithout−levelWith Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| frequencyHertz | Frequency (Hz) | number; minimum: 0 |
| insertionLossDecibels | Insertion loss (dB) | number |
{
"input": {
"frequencyHertz": 8000,
"levelWithWindscreenDecibels": 68,
"levelWithoutWindscreenDecibels": 70
},
"output": {
"frequencyHertz": 8000,
"insertionLossDecibels": 2
}
}Limitations and assumptions
Negative loss indicates the with-windscreen level was higher. No response curve, correction at other frequencies or wind-noise suppression is inferred.
Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use Tone Prominence Ratio: Calculate a tone-minus-masking-noise prominence ratio and compare it with an explicit caller threshold; a complete ECMA tonal analysis requires band-specific processing. For a complementary task, use Speech SNR Screen: Calculate speech-to-noise level difference and compare it with an explicit caller-supplied minimum.
References
-
Windscreen Insertion Loss — tool.io
Similar or alternative tools
- Tone Prominence Ratio
Calculate a tone-minus-masking-noise prominence ratio and compare it with an explicit caller threshold; a complete ECMA tonal analysis requires band-specific processing.
- Speech SNR Screen
Calculate speech-to-noise level difference and compare it with an explicit caller-supplied minimum.