Loudness
Sharpness
Roughness
Fluctuation Strength
Prominence Ratio

Other products to consider...

DATS.toolbox

The DATS.toolbox software is a comprehensive signal processing toolkit. Click to find out more.

P8000 capture hardware

The P8000 is a family of mobile, compact, rugged 24-bit data acquisition systems which support a range of transducer inputs.

DATS Psychoacoustics Analysis Suite

In simple terms, psychoacoustics is the study of the relationship between the physical measures of sound, amplitude and frequency and the human perception of them.

The DATS Psychoacoustics Analysis Suite provides a host of functions for the objective description of subjective sounds.

Hearing is not purely wave propagation from one medium to another, it is a sensory and perceptual event. When a person hears a sound, it arrives at the ear as a wave travelling through the air, but within the ear it is transformed into neural signals by a number of mechanisms. These nerve pulses then travel to the brain where they are perceived. Hence for many problems in acoustics it is advantageous to take into account not just the mechanics of the environment, but also the fact that both the ear and the brain are involved in a person’s listening experience.

Human hearing can be compared to a spectrum analyzer - the ear resolves the spectral content of the pressure wave. This even includes phase information, which provides a significant part of the directional sensation of sound.

One good example of the power of psychoacoustics is listening to crackly, hiss-filled, vinyl records; the listener soon stops noticing the background noise, and enjoys the music, despite the presence of the hiss in the audible sound. A listener who does this often appears to forget about the noise altogether and may not be able to tell after listening if there was noise present. This effect is called psychoacoustical masking.

Software includes...