ISO 3382 Part Reference
Map the principal scopes of ISO 3382 Parts 1, 2, and 3.
Description
ISO 3382-1 specifies measurement of room-acoustic parameters in performance spaces.
ISO 3382-1 specifies measurement of room-acoustic parameters in performance spaces. This reference explains the selected concept and the evidence needed to interpret it.1, 2
The returned values include Source, Statement, Topic. The How section below explains the calculation, input rules and interpretation.
When to use ISO 3382 Part Reference
Use ISO 3382 Part Reference when you need to evaluate the supplied records under the calculation and evidence rules below. The reference does not measure, model or certify the supplied situation. This is an introductory excerpt, not the complete standard, a current compliance check or a project-specific calculation.
Choose the measured quantities, units, weighting and measurement basis before entering values. For a reference, select the exact topic. For a catalog lookup, prepare complete source-backed records; for a screen, select an applicable caller limit.
How to use ISO 3382 Part Reference and understand its results
- Choose the measured quantities, units, weighting and measurement basis before entering values. For a reference, select the exact topic. For a catalog lookup, prepare complete source-backed records; for a screen, select an applicable caller limit.
- Enter topic using the field table and calculation rules, then run the tool.
- Read source, statement, topic. 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 |
|---|---|---|---|
| topic | Reference topic to return. | string; one of "part-1", "part-2", "part-3" | Required |
Choose one of the exact topic values in the table. The tool indexes a fixed, locally embedded reference entry and returns its source label, statement and unchanged topic. It does not fetch the source or update the wording. Topic meanings and all returned entries are shown below.
| Selection | Returned reference entry |
|---|---|
| part-1 | source: ISO 3382-1; statement: ISO 3382-1 specifies measurement of room-acoustic parameters in performance spaces.; topic: part-1 |
| part-2 | source: ISO 3382-2; statement: ISO 3382-2 specifies measurement of reverberation time in ordinary rooms.; topic: part-2 |
| part-3 | source: ISO 3382-3; statement: ISO 3382-3 specifies measurement of room-acoustic parameters in open-plan offices.; topic: part-3 |
selected exact topic → embedded source label, explanatory statement and topic Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| source | Source used for the reference statement. | string |
| statement | Narrow reference statement for the selected topic. | string |
| topic | Selected reference topic. | string; one of "part-1", "part-2", "part-3" |
{
"input": {
"topic": "part-1"
},
"output": {
"source": "ISO 3382-1",
"statement": "ISO 3382-1 specifies measurement of room-acoustic parameters in performance spaces.",
"topic": "part-1"
}
}Limitations and assumptions
The reference does not measure, model or certify the supplied situation. This is an introductory excerpt, not the complete standard, a current compliance check or a project-specific calculation.
Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Extremely large text inputs are rejected. Missing fields without a declared default, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use EDT and Late-Decay Reference: EDT is derived from the initial 0 to -10 dB decay slope and extrapolated to a 60 dB decay time; it emphasizes the early subjective decay. This reference explains the selected concept and the evidence needed to interpret it. For a complementary task, use Music Clarity C80: Clarity C80 compares impulse-response energy arriving within the first 80 ms with later energy. A larger value indicates a stronger early-to-late balance on this definition.
Further background: ISO 3382-3:2022, open-plan offices.
References
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ISO 3382 Part Reference — tool.io
Similar or alternative tools
- EDT and Late-Decay Reference
EDT is derived from the initial 0 to -10 dB decay slope and extrapolated to a 60 dB decay time; it emphasizes the early subjective decay. This reference explains the selected concept and the evidence needed to interpret it.
- Music Clarity C80
Clarity C80 compares impulse-response energy arriving within the first 80 ms with later energy. A larger value indicates a stronger early-to-late balance on this definition.