| True Audio TrueRTA Audio Spectrum Analyzer Software |
True Audio’s Level Two (1/3 per octave) TrueRTA™ is a real-time software-based audio instruments for testing and evaluating audio systems using a PC with basic sound capability. TrueRTA™ also includes digital voltmeter that reads true rms voltage and dBu levels, and an audio spectrum analyzer. To set up your own audio test lab you will need a digital voltmeter to calibrate TrueRTA™ for your sound card and a collection of cables and adapters for connecting electronic gear to your sound card for testing. Most sound card jacks are 1/8 inch. If you want to do acoustic testing of loudspeakers in addition to the above you will need a calibrated microphone (True Audio recommends the Behringer EMC8000), a microphone preamplifier or mixer,an audio power amplifier to drive the speaker under test and cables to connect the line out of the sound card to the input of the audio power amp. Software can be upgraded to Level Three (1/6th octave) or Level Four (1/24th octave). Minimum System Requirements: 500MHz Pentium III processor and 64MB of RAM
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