True Audio's TrueRTA v3.1 is a PC-based, real-time analyzer (RTA) that includes a low-distortion signal generator, digital voltmeter, dBu meter, dB SPL meter, crest-factor meter, dual-trace oscilloscope, and a high-resolution, real-time audio spectrum analyzer with resolution up to 1/24th octave and measurement bandwidth to 48kHz (with 96kHz sound cards). The system has 20 memory points for storing user data and measurement notes. Printed reports include data and notes for all displayed memories. Version 3.1 is a free upgrade for all registered users of version 3.0.
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