Description
Measure sound pressure level of a room or an environment with this neat little Sound Phidget that plugs into a VINT port. You could also use it to detect the occurance of sudden noises. The sensor returns data in dB (SPL), which is decibels relative to the quietest noise a human can hear.
SKU: SND1000_0
Pre-weighted Data
The Sound Phidget also reports data in dBA (SPL) and dBC (SPL). These are special standardized weightings of the frequency range created for specific purposes. For example, dBA puts less emphasis on lower frequencies that the human ear doesn’t pick up, making it ideal for measuring loudness as heard by your ear.
Frequency Analysis
This Phidget is also capable of analyzing specific frequency bands of sound. Every time data is sent to your program, an array of 11 values will be sent, each one corresponding to a different frequency band ranging from 16 Hz to 16kHz centered.
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Product Specifications for SND1000_0 Sound Phidget
| Board Properties | |
|---|---|
| Controlled By | VINT |
| Sensor Properties | |
| Sound Level Min | * 60 dB |
| Sound Level Max | 102 dB |
| Sampling Interval Max | 1000 ms/sample |
| Sampling Interval Min | 100 ms/sample |
| Electrical Properties | |
| Current Consumption Max | 26 mA |
| Current Consumption Min | (unconfigured) 16 μA |
| Physical Properties | |
| Operating Temperature Min | -20 °C |
| Operating Temperature Max | 70 °C |
* – Below 60 dB, the sensor will be picking up white noise.
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