SP395 SoundPro Audio Integrator Form7492 Operation Manual
7
Speech Intelligibility Module: (RaSTI and STI-PA test waveforms included on CD)
ALCONS: Computes Percent Apparent Loss of Consonants
RaSTI: Calculates Rapid Speech Transmission Index
STI-PA: Computes Speech Transmission Index using STI-PA method
(STI for Public Address)
Time-Delay Analysis Module:
(TerraLink software included)
Time-Delay Analysis: Measures frequency response using log-swept sine wave.
Noise Curves Module
NC Curves: Displays Noise Criteria data, based on ANSI standard S12.2-1995
(ASA 115-1995)
Displays limiting band, SPL by octave band
RC Curves: Displays Room Criteria rating
PNC Curves: Displays Preferred Noise Criteria rating
STC/NIC Measurement: 1/24th octave Sound Transmission Class/Noise Isolation Class
measurement
Multi-Band Decay Module
Multi-Band Decay: Displays seven octave-band filtered RT60 measurements
simultaneously
Audio Stethoscope Module
Audio Stethoscope: Filters incoming left input audio through to the headphone or
speaker
Filters: Flat (no filter), A or C ANSI Weighted, octave, 1/3 octave filters
Audio Hardware
Sample Rate: 48 kHz
Input Gain Ranges: -50 dB to +50 dB
Maximum Rated Input: +40 dBu
Preamplifier
Distortion: -90 dB THD+N
Phantom Power output: 48 VDC ± 1 VDC
ADC/DAC
Cirrus Logic: CS4224 48 kHz 24-bit 105 dB Audio CODEC
USB Preamplifier
Burr-Brown Texas Instruments® USB Audio CODEC
USB 1.1 full-speed
USB isochronous data format
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