RAA / Realtime Analyzer ACF
This is a realtime analyzer intended for research in models of the auditory-brain system. "ACF" refers to the "Autocorrelation Function" of the sound source. The process in which a music signal is heard by two human ears, travels across synapses, and eventually reaches the brain, is called the "auditory-brain system model." This system derives the ACF parameters and two relevant crosscorrelation parameters based on this theory. The time window for awareness by the brain is taken as the delay time, and the parameters are derived using measurement of the running ACF. Because this system is intended for this type of research, it allows detailed designation of various factors, including ACF integral time, calculation cycle, and audibility compensation (A-weighted network). 3D Realtime display. Sampling: 8 kHz-48 kHz. Measurement time: 1-30 sec. Features measurement data database functions (save to hard disk, read), source cut-out (editing), and Running ACF recalculation functions using these. Orthogonal factors extracted from the ACF Orthogonal factors extracted from the ACF: t1, f1, F (0), and te Orthogonal factors extracted from crosscorrelation: IACC, tIACC, WIACC, and IACF This is an important factor in terms of handling temporal changes in the sound source signal. Recently, the ACF components of actual sound source signals have gained considerable attention, even at this year’s 17th International Congress on Acoustics. The paper regarding ACF can be viewed via the link below. This system includes the functions of "Realtime Analyzer Light".
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RAA / Realtime Analyzer ACF Review
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