Musical Acoustics

Course unit code:

171HA

Course unit title:

Musical Acoustics

Mode of delivery:

zkouška

Range:

2/T

Type of course unit:

Study plan Obor Hudební teorie (Bc) – compulsory subject
Study plan Obor Zvuková tvorba (Bc) – compulsory subject

Level of course unit:

Year of study

Study plan Obor Hudební teorie (Bc) – 1st year
Study plan Obor Zvuková tvorba (Bc) – 2nd year

Semester when the course unit is delivered

zimní

Number of ECTS credits allocated:

Garant předmětu:

Zdeněk OTČENÁŠEK

Name of lecturer(s):

Vladimír FILA, Zdeněk OTČENÁŠEK

Study Objectives:

To broaden knowledge about sound signals as the bearer of music information, its typology and morphology, particularly regarding its processing and artificial generation.

Mode of delivery:

Interactive instruction

Prerequisites and co-requisites:

Basic knowledge of physical and physiological acoustics.

Recommended optional programme components

none

Course contents:

Music acoustics and its relationship to sound study.

Sound and music signals, natural and artificial, a definition.

Tranmission of a music signal, types of transmission, its axis and relationships.

Conditions for the subjective existence of a sound signal, time thresholds for sound perception.

Objectie and subjective sound properties, mutual relationships and dependencies.

Signal time and frequency domains.

Static and dynamic signal concepts, definitions of tone and noise.

Three-dimensional depiction of a music signal

Dynamics levels, signal time-envelope, percussive and non-percussive signals

Transient and trailing processes, bouncing status, dynamic fluctuations, tremolo

Melodic level, frequency and immediate frequency, harmonic spectrum, vibrato

Harmonic level, basic typology of sound signals.

Periodic signals and their frequency spectrum, modulated and quasi-periodic signals

Incidental, transient and continual signals.

Time depedent spectra and their objective and subjective interpretations.

Sound signal analysis methods in time domains, periodicity, correlation.

Analog frequency analysis methods, band filters and their properties.

Digital frequency analysis methods, DFT, FFT, waves, cepstrum

Anti-aliasing, windowing, averaging spectra.

Synthesizing a sound signal, its definition and philosophy.

Fundamental psycho-acoustic dimension of sound color in relation to synthesis

Natural signal generation model, synthesis and re-synthesis

Static and dynamic sythesis, linear and non-linear synthesis methods.

Mass Fourier and non-Fourier methods.

Distinction methods, managed filtration of complex signals.

Modulation methods, circular, frequential nad parametric modulation.

Form methods, non-linear formation, approximation, segmentation

Physical and mathematic modelling methods, other methods of sound synthesis.

Study materials:

Syrový, V. (2003), Hudební akustika, AMU Praha

Planned learning activities and teaching methods

Lecture

Assessment methods and criteria

Completion of the oral exam.

Language of instruction:

Czech

Work placement(s):

No internship established for this course.

Course web page:

Note:

none

Schedule for winter semester 2011/2012:

The schedule has not yet been prepared

Schedule for summer semester 2011/2012:

The schedule has not yet been prepared

The subject is a part of the following study plans:

Obor Hudební teorie (Bc) (next compulsory subject)
Obor Zvuková tvorba (Bc) (next compulsory subject)