8) This describes the essential skills and knowledge and their level, required for this unit. Evidence shall show that knowledge has been acquired of safe working practices and developing solutions to audio electronic problems. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-EH149A Audio electronics engineering solutions Evidence shall show an understanding of audio electronics engineering solutions, applying safe working practices and relevant Standards, Codes and Regulations to an extent indicated by the following aspects: T1. Acoustics, spatial treatment and sound reproduction Effects of room dimensions, spatial shape and surface textures on acoustics Ideal acoustic for specific purposes - speech, solo or small group music, rock music orchestral music, choral music, cinema and the like. Measuring room response Speaker placement and room response Room treatment methods to improve acoustic response Active methods to improve acoustic response T2. Audio reproduction, electronic components Preamplifiers amplifier encompassing: Function in the reproduction chain Typical circuit arrangements Power and integrated amplifiers encompassing: Function in the reproduction chain Typical circuit arrangements Graphic equalizers encompassing: Function in the reproduction chain Typical circuit arrangements Component interconnections T3. Advanced electronic testing and measuring devices and techniques Test/measuring devices and their application - frequency counters, and synthesisers, spectrum analysers, noise and distortion meters and RF communications service monitor. Connection of test/measuring devices into a circuit encompassing: safety procedures loading and matching storage and delay circuit arrangement of test/measuring devices Taking and interpreting readings Notion of decibels including dBm, dBr, dBu, dBo T4. Audio system advance diagnostic techniques Perception and measurement of sound Acoustics and equalisation Sound recording and reproduction technologies Audio component testing, measurements and adjustments - frequency response for given loads, small signal test, distortion measurement, noise measurement, frequency versus distortion, intermodulation spectrum, spectral-decay plots, acoustic cross-over, anechoic response, lateral and vertical response and the like. |