・FFT Analysis Card【Option】
Frequency span ：2kHz, 5kHz, 10kHz, 20kHz
Time window ：Rectangular, Hanning
Analysis line ：400
Zoom ：×1, ×2, ×4
Processing ：Instantaneous sound pressure level, Linear average value, Max,
Level Range Control ：10dB 6step
10～80dB, 20～90dB, 30～100dB, 40～110dB, 50～120dB
60～130dB
・RSR card (Real sound recording card) 【Option】
This card enables automatic recording with specified level and time, namely
adding the function of recording real wave data.
The data is recorded in WAVE file format (48kHz 16bit Mono), easily
corresponding to most common application software of acoustic analysis, as well as
displaying its greatest force in all kinds of acoustic analysis.
Time for continuous record：Approx.6 hours
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