Sound Engineering

Introduction

• sensory perception
• Historical development of psychoacoustics

The human ear:

• structure and mode of operation
• Outer ear, middle ear, inner ear
• Special aspects: bone conduction, tinnitus, stapedius reflex, otoacoustic emissions
• The auditory surface and isophones
• On the history of hearing aids

Hearing damage

• Development/prevention of hearing damage
• Age-related hearing loss
• sound conduction damage
• Noise-related sensorineural damage at short-term high levels
• Noise-related sensorineural damage from long-term exposure
  • Features (c5 sink, recruitment, other possible effects)
  • physiology
• Methods for diagnostics
  • tuning fork tests
  • hearing threshold
  • audiometry suprathreshold
  • audiometry tympanometry
  • Otoacoustic emissions

Properties of healthy hearing and basic sound measurements

• Basics of sound perception and associated measured variables
  • Sound intensity, sound pressure and perceivable differences
  • Pitch, frequency and frequency groups
  • Temporal Effects of Hearing masking / concealment Frequency and time weighting

• Spatial Hearing
  • basic terms
  • spatial hearing of a sound source
  • spatial hearing of multiple sound sources

• Nonlinear Effects

Sound quality and psychoacoustic parameters

• Definitions: From sound to noise loudness
  • Loudness of stationary noises: Zwicker method (loudness impression, narrowband and broadband noises, masking, example)
  • Loudness of transient sounds
  • Other loudness rating methods: Stevens, Kryter, noise rating
• sharpness
• Tonality (sound quality) and tonality (tone allowance)
• amplitude modulation,fluctuation strength F, roughness R
• timbre, euphony and annoyance sound design Aurally sound measurement and evaluation listening tests Approach and methods in sound design Example: Motor vehicle noise / NVH

Sound design (e.g. corporate design, audio branding, soundscapes, ...)

• Aurally sound measurement and evaluation
• listening tests
• Approach and methods in sound design
• Example: Motor vehicle noise / NVH
• Sound design (e.g. corporate design, audio branding, soundscapes, ...)