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Elements and Performance Criteria

1. Identify audio electronic problems
   • WHS/OHS requirements and workplace procedures for a given work area are identified and applied
2. WHS/OHS risk control measures and workplace procedures are followed in preparation for the work
3. Extent of the audio electronic problem is determined from performance specifications, situation reports and in consultation with relevant person/s
4. Activities are planned to meet scheduled timelines in consultation with others involved in the electronic work
5. Effective strategies are formed to ensure solution development and implementation are in accordance with workplace procedures
6. Develop engineering solution for audio electronic problems
   • WHS/OHS risk control measures and workplace procedures for carrying out the electronic work are followed
7. Audio electronics circuit device/component operation, characteristics and their application are applied to resolve audio electronic problem
8. Parameters, specifications and performance requirements in relation to each audio electronic problem are obtained in accordance with workplace procedures
9. Approaches to resolving audio electronic problems are analysed to provide most effective solutions
10. Unplanned situations are responded to in accordance with workplace procedures in a manner that minimises risk to personnel and equipment
11. Quality of work is monitored against performance agreement and/or workplace procedures or professional industry standards
12. Test, document and implement engineering solution for audio electronic problems
    • Solutions to audio electronic problems are tested to determine their effectiveness and modified, as required
13. Adopted solutions are documented and include instructions for their implementation that incorporates risk control measures to be followed
14. Appropriately competent and qualified person/s required to implement solutions to audio electronic problems are coordinated in accordance with regulatory requirements and workplace policies
15. Justification for solutions used to solve audio electronic problems is documented for inclusion in work/project development records in accordance with professional standards

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
Developing engineering solutions to audio electronic problems must include the following:	at least four audio electronic problems

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

understanding the extent of the audio electronic problem forming effective strategies for solution development and implementation obtaining audio electronic parameters, specifications and performance requirements appropriate to each problem testing and solutions to audio electronic problems documenting instruction for implementation of solutions that incorporate risk control measure to be followed documenting justification of solutions implemented in accordance with professional standards dealing with unplanned events applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, workplace procedures and practices, including using risk control measures applying sustainable energy principles and practices.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

audio electronics engineering solutions, safe working practices and relevant standards, codes and regulations, including: 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 and cinema measuring room response speaker placement and room response room treatment methods to improve acoustic response active methods to improve acoustic response audio reproduction and 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 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 radio frequency (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 and dBo audio system advanced 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 engineering principles relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures.

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