TrueRTA Level 4: A High-Resolution Audio Spectrum Analyzer for Windows PCs
TrueRTA Level 4 is a software program that allows you to measure and analyze the frequency spectrum of any audio signal in real time. It can display up to 1/24th octave resolution, which is equivalent to 246 frequency bands. TrueRTA Level 4 can also generate test signals such as pink noise, white noise, sine waves, and frequency sweeps. You can use TrueRTA Level 4 to test and tune your audio system, monitor your sound card performance, or measure the acoustic properties of your room.
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TrueRTA Level 4 is compatible with Windows XP, Vista, 7, 8, and 10. It requires a sound card with a minimum sampling rate of 44.1 kHz and a minimum bit depth of 16 bits. You can use any microphone or line input as the source of the audio signal. You can also use a loopback cable to connect the output and input of your sound card for calibration purposes.
TrueRTA Level 4 is available for download from True Audio. The download file is about 2.5 MB in size and contains the installation program and the user's guide. You can try TrueRTA Level 4 for free with some limitations, such as a reduced frequency range and a fixed window size. To unlock the full features of TrueRTA Level 4, you need to purchase a registration code for $99.95. The registration code will be emailed to you after you complete the online payment process.
TrueRTA Level 4 is a powerful and versatile tool for audio enthusiasts and professionals who want to measure and analyze the frequency spectrum of any audio signal in real time. It offers high-resolution, accuracy, and flexibility at an affordable price. If you are interested in learning more about TrueRTA Level 4, you can visit True Audio or listen to some samples on SoundCloud.
One of the main features of TrueRTA Level 4 is the ability to perform quick and accurate frequency response measurements. You can use the Quick Sweep function to generate a logarithmic frequency sweep from 10 Hz to 20 kHz and capture the response of your audio system in less than a second. You can also use the Pink Noise function to generate a random noise signal with equal energy per octave and measure the response of your system over a longer period of time. You can compare the measured response with a target curve or a reference measurement and adjust your system accordingly.
Another feature of TrueRTA Level 4 is the ability to perform distortion and noise measurements. You can use the THD+N function to measure the total harmonic distortion plus noise of your audio system at any frequency and level. You can also use the IMD function to measure the intermodulation distortion of your system caused by two or more frequencies. You can view the distortion and noise components in both the frequency and time domains and identify the sources of distortion and noise in your system.
A third feature of TrueRTA Level 4 is the ability to perform acoustic measurements. You can use the RT60 function to measure the reverberation time of your room at different frequencies. You can also use the ETC function to measure the energy-time curve of your room and analyze the reflections and echoes in your room. You can use these functions to optimize the acoustics of your room and improve the sound quality of your system. c481cea774