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Logging explained

Analysis type

Analysis type

All SoundPro SE/DL instruments are capable of analyzing sound signals over the full bandwidth of the instrument also referred to as “broadband measurement”. If your instrument comes equipped with a filter, it can perform an octave or a third-octave analysis, or both, depending upon the type of filter installed. You can vary the analysis type between sessions, and the analysis type selection remains constant throughout the session.

Analysis types are identified in SoundPro SE/DL by the following names:

SLM - Broadband measurements

1/1 - Octave filtering

1/3 - Third-octave filtering

STI-PA-Speech Intelligibility

Logging explained

Although you can view the current sound pressure level at any time that the instrument is operating (See “Bar Chart and Filtered Bar Chart” on page 67), most measurements are reported for data obtained over the entire course of a study or session. In some circumstances, however, you may want to save intermediate measurement results. The SoundPro DL logging option provides you with that capability.

With logging enabled, you can save selected measurements at fixed intervals during a session. You can set logging to occur as often as once per second or as seldom as once per hour. Once the logging characteristics are determined, the setup remains the same for the duration of the session.

Logged data is automatically saved to the instrument’s memory card and can be viewed in QSP II (“Information screen” on page 8).

NOTE: You must use a compatible SD card. For information about replacing the SD card, see “Compatibility” on page 117.

Physical Characteristics

The Display

The transflective LCD display contains an area on the top of the screen for indicators including run, pause, stop icons and a run time clock. The middle of the screen contains a fine resolution of pixels in which data is displayed

Models SE and DL

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3M SE, DL user manual Logging explained, Physical Characteristics, Analysis type, Display