Course of Sound Engineering

Fundamentals of Sound and Audio

• Properties of sound waves, frequency, wavelength, amplitude, and phase.
• Decibels, dynamic range, frequency response, and human hearing.
• Analog and digital audio signals and their main characteristics.

Audio Systems and Signal Flow

• Basic components of professional audio systems and their functions.
• Signal flow from sound sources through processing and recording equipment.
• Gain structure, signal levels, impedance, and avoiding unwanted distortion.

Microphones and Transducers

• Dynamic, condenser, ribbon, and specialized microphone types.
• Polar patterns, frequency response, sensitivity, and microphone specifications.
• Factors affecting microphone selection for different sound sources.

Microphone Placement and Recording Techniques

• Principles of microphone positioning and distance from sound sources.
• Stereo recording approaches and phase-related considerations.
• Managing unwanted noise, leakage, proximity effect, and room influence.

Mixing Consoles and Audio Interfaces

• Main sections and functions of analog and digital mixing consoles.
• Audio interfaces, preamps, converters, inputs, outputs, and routing.
• Channel configuration, buses, auxiliary sends, and monitoring paths.

Digital Audio and Recording Systems

• Sampling rate, bit depth, digital resolution, and file formats.
• Digital Audio Workstations and their role in professional production.
• Session organization, track management, synchronization, and audio storage.

Equalization and Frequency Management

• Principles of equalization and frequency spectrum control.
• Parametric, graphic, shelving, and high-pass and low-pass filters.
• Managing frequency conflicts and maintaining tonal balance.

Dynamics Processing

• Compression, limiting, expansion, and gating principles.
• Threshold, ratio, attack, release, and makeup gain controls.
• Applications of dynamics processing in recording and mixing.

Audio Effects and Signal Processing

• Reverb, delay, echo, modulation, and time-based effects.
• Distortion, saturation, pitch-related processing, and creative effects.
• Signal routing and the appropriate use of effects within an audio system.

Professional Mixing Principles

• Balance, panning, depth, stereo imaging, and spatial placement.
• Building clarity and separation between individual audio elements.
• Mix levels, headroom, automation, and preparation for final output.

Studio Acoustics and Monitoring

• Fundamentals of room acoustics and their effect on recorded sound.
• Acoustic treatment, reflections, reverberation, and unwanted resonance.
• Studio monitors, headphones, listening position, and monitoring accuracy.

Recording Studio Configuration

• Planning the layout and connections of a professional recording environment.
• Integration of microphones, preamps, interfaces, monitors, and control equipment.
• Technical considerations for maintaining reliable recording workflows.

Live Sound and Sound Reinforcement

• Main components of live sound systems and their functions.
• Mixing systems, loudspeakers, amplifiers, monitors, and stage equipment.
• Signal distribution and system configuration for live venues.

Feedback, Noise, and System Control

• Causes of acoustic feedback and methods of controlling it.
• Identifying hum, interference, distortion, and other common audio problems.
• Gain management, speaker placement, and monitoring considerations.

Broadcast, Film, and Media Audio

• Audio requirements for broadcasting, film, television, and digital media.
• Dialogue recording, background sound, Foley, ambience, and sound effects.
• Synchronization, audio levels, and consistency across production formats.

Audio Quality and Professional Standards

• Technical criteria for evaluating recording and mixing quality.
• Loudness, headroom, signal integrity, and final delivery requirements.
• Professional workflow, equipment maintenance, documentation, and quality control.