Description
Return recording-excerpt playback use against a budget.
Clinical research distinguishes supplied protocol metadata, participant/event records, allocation bookkeeping and an analysis target. A local count, permission flag or denominator choice can help reconcile records without establishing valid consent, randomization, regulatory compliance or a reliable treatment-effect estimate.
Return recording-excerpt playback use against a budget.
When to use this tool
Use Clinical Study Recording Excerpt Budget when checking the stated clinical-research record, allocation, timing, analysis or evidence-basis convention.
How to use the tool and how it works
- Enter start, end, playbackRate, allotted, excluded. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read sourceDuration, playbackDuration, remainingBudget, fits. Inspect fits before interpreting the associated values.
Return recording-excerpt playback use against a budget. Require playbackRate > 0, end >= start, excluded within duration and allotted >= 0; sourceDuration = end-start-excluded, playbackDuration = source/rate, remainingBudget = allotted-playback, fits includes equality.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| start | Start | Required. Finite number. |
| end | End | Required. Finite number. |
| playbackRate | Playback Rate | Required. Finite number; strictly above 0. |
| allotted | Allotted | Required. Finite number; minimum 0. |
| excluded | Excluded | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| sourceDuration | Source Duration | Required. Finite number. |
| playbackDuration | Playback Duration | Required. Finite number. |
| remainingBudget | Remaining Budget | Required. Finite number. |
| fits | Whether calculated use is no greater than the supplied limit. | Required. Boolean. |
{
"input": {
"start": 10,
"end": 70,
"playbackRate": 2,
"allotted": 25,
"excluded": 20
},
"output": {
"sourceDuration": 40,
"playbackDuration": 20,
"remainingBudget": 5,
"fits": true
}
}Limitations and assumptions
- Time units must match; actual recording evidence, clinical interpretation, privacy and lawful excerpt reuse are not verified.
- 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 the complete approved protocol, authenticated source records and qualified clinical/statistical oversight for actual trial design, conduct and interpretation.
References
Similar or alternative tools
- Protocol Window Boundary Distance
Return signed distances from protocol-window boundaries.
- Protocol Window Center Offset
Return a protocol window's center, half-width and observation offset.