The use of reverberation time as such or in calculating absorption causes difficulties when using a reference sound source.
Preference tests are carried out in order to assess the sound agreement using a seven-point scale, each stimulus being compared to a reference sound.
A sound with a loudness of four sones is one that listeners perceive to be four times as loud as the reference sound.
"Perhaps, though English suffers more than a language like Japanese which has a written and verbal poeticism you can reference sound with".
The IMPASEA considers and analyses those factors deemed most important for marine and coastal stakeholders in a spatially referenced, sound and cost-effective manner.
The loudness level, in phons, of the measured sound is then equal to the sound-pressure level, in decibels, of the adjusted reference sound above the standard reference level, which is the minimum audible threshold.
To make the system robust to various types of sound sources, we designed a tree of reference sound models for classification, in which especially generated total three of GMMs for external sounds according to different characteristics of frequency distributions.
Behavioural studies showing sensory attenuation have used tasks in which subjects generate a sound in the active condition and report perceived sound loudness relative to an externally generated reference sound (for example, refs 9, 38).
One was Master scaling, which involves calibration for differences in mean ratings as well as the slope of the psychophysical function for seven levels of a pink noise reference sound.
Following the training sessions, in each test session, a subject compared a reference sound excerpt (i.e., a clean or headset recording) and a number of test sound excerpts that included an unmarked reference sound (serving as a hidden reference), a noisy reverberant sound (serving as an anchor signal), and processed versions of the same utterance.
