| Name | Type | Description |
|---|
| SoundScale |
P_ENUMERATEDVALUE
/
IfcLabel
/
PEnum_SoundScale |
 | Sound Scale | The reference sound scale.
DBA: Decibels in an A-weighted scale
DBB: Decibels in an B-weighted scale
DBC: Decibels in an C-weighted scale
NC: Noise criteria
NR: Noise rating |
 | 楱掗煶銇崢浣 | 楱掗煶銇崢浣嶏細
- DBA: dB(A)
- DBB: dB(B)
- DBC:dB(C)
- NC:楱掗煶鍩烘簴
- NR:楱掗煶瑭曚尽 |
|
| SoundFrequency |
P_LISTVALUE
/
IfcFrequencyMeasure
|
| Sound Frequency | List of nominal sound frequencies, correlated to the SoundPressure time series values (IfcTimeSeries.ListValues) |
| 闊炽伄鍛ㄦ尝鏁 | 浠ｈ〃鐨勩仾鍛ㄦ尝鏁般儶銈广儓銆佹檪绯诲垪闊冲湩鍊ゃ仺闁㈤ｃ仚銈嬨傦紙IfcTimeSeries銇儶銈广儓銇曘倢銇熷わ級 |
|
| SoundPressure |
P_REFERENCEVALUE
/
IfcTimeSeries
/
IfcSoundPressureMeasure
|
| Sound Pressure | A time series of sound pressure values measured in decibels at a reference pressure of 20 microPascals for the referenced octave band frequency. Each value in IfcTimeSeries.ListValues is correlated to the sound frequency at the same position within SoundFrequencies. |
| 闊冲湩 | 鏅傜郴鍒椼伄闊冲湩銆佸崢浣嶃伅銉囥偡銉欍儷銆傘偑銈偪銉笺儢銉愩兂銉夈伄闊炽伄寮枫仌20mPa銈掑熀婧栥仚銈嬨侷fcTimeSeries銇儶銈广儓銇曘倢銇熷悇鍊ゃ伅鍚屻仒鍫存墍銇с佸悓銇樺懆娉㈡暟銉愩兂銉堛仹銇俯銇懆娉㈡暟銇ㄩ枹閫ｃ仚銈嬨 |
|
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