Understanding Recording Settings And Sound Quality; Understanding Resolution, Peak Overload - Larson Davis SoundAdvisor Reference Manual

18.5 Understanding Recording Settings and Sound Quality

18.5.1 Understanding Resolution, Peak Overload

SoundAdvisor Model 831C
Step 4 Select Close (/*/), save the Setup, then select it again and Set to
Active.
Step 5 Close the Setup and run a measurement. Based on the settings in Figure
18-5 Measurement Sound Tab, the first 5 seconds of each measurement
interval would be recorded.
In this section:
• 18.5.1 Understanding Resolution, Peak Overload
• 18.5.3 Choosing a File Format for Sound Records
18.5.3 Choosing a File Format for Sound Records
•
Resolution
Sound recordings are saved with 16-bit resolution which provides a
measurement range of about 90 dB. This means that the 831C is
capable of recording sound signals with amplitudes no more than 90
dB below the level at which the selected range will overload.
Peak Overload
The 831C will calculate the peak overload based on the current
microphone type. To ensure the correct settings, navigate to Tools
Calibrate

831C.
Next, the 831C automatically calculates the sound recording range
based on the Peak Overload value. Additionally, setting the Gain at
either 0 dB or 20 dB (Menu
either Normal or High Range (Menu
result in different values of upper and lower limits for any given
microphone. The current Peak Overload value displays on the calibrate
tab as shown in Figure 18-6 Peak Overload.
Understanding Recording Settings and Sound Quality
Settings, and see 5.4 Calibrating Your SoundAdvisor
Setup Manager

SLM) and selecting

Setup Manager
 

Sound) will
18-6