Psychoacoustics#

This module provides functions to compute psychoacoustic indicators, which are useful to study and assess sound quality.

LoudnessISO532_1_Stationary([signal, field_type])

Computes ISO 532-1:2017 loudness for stationary sounds.

LoudnessISO532_1_TimeVarying([signal, ...])

Computes ISO 532-1:2017 loudness for time-varying sounds.

LoudnessISO532_2([signal, field_type, ...])

Computes ISO 532-2:2017 loudness.

LoudnessANSI_S3_4([signal, field_type])

Computes ANSI S3.4-2007 loudness.

SpectralCentroid([signal])

Computes the spectral centroid of a signal.

Sharpness([signal, field_type])

Computes the sharpness of a signal according to Zwicker & Fastl's model.

SharpnessOverTime([signal, field_type])

Computes the sharpness of a signal according to Zwicker & Fastl's model, over time.

SharpnessDIN45692([signal, field_type])

Computes the sharpness of a signal according to the DIN 45692 standard.

SharpnessDIN45692OverTime([signal, field_type])

Computes the sharpness of a signal according to the DIN 45692 standard, over time.

Roughness([signal])

Computes the roughness and the roughness over time of a sound.

FluctuationStrength([signal])

Computes the fluctuation strength for a stationary sound.

ProminenceRatio([psd, frequency_list])

Computes the ECMA 418-1/ISO 7779 prominence ratio (PR).

ProminenceRatioForOrdersOverTime([signal, ...])

Computes the ECMA 418-1/ISO 7779 prominence ratio (PR) for specific orders over time.

ToneToNoiseRatio([psd, frequency_list])

Computes the ECMA 418-1/ISO 7779 tone-to-noise ratio (TNR).

ToneToNoiseRatioForOrdersOverTime([signal, ...])

Computes the ECMA 418-1/ISO 7779 tone-to-noise ratio (TNR) for specific orders over time.

TonalityDIN45681([signal, window_length, ...])

Computes DIN 45681 tonality.

TonalityISOTS20065([signal, window_length, ...])

Computes ISO/TS 20065:2022 tonality.

TonalityECMA418_2([signal])

Computes ECMA 418-2 tonality.

TonalityISO1996_2([signal, ...])

Computes the tonality according to the standard ISO 1996-2:2007, annex C.

TonalityISO1996_2_OverTime([signal, ...])

Computes the tonality according to the standard ISO 1996-2:2007, annex C, over time.

TonalityAures([signal, overlap, ...])

Computes the tonality of the signal according to Aures model.