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					                        All qualifications and unit standards registered on the National Qualifications Framework are
                        public property. Thus the only payment that can be made for them is for service and
                        reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted,
                        the South African Qualifications Authority (SAQA) should be acknowledged as the source.




                          SOUTH AFRICAN QUALIFICATIONS AUTHORITY
                                     REGISTERED UNIT STANDARD:

                                          Use dynamics processors
SAQA US ID                UNIT STANDARD TITLE
114541                    Use dynamics processors
ORIGINATOR                                                    REGISTERING PROVIDER
SGB Music Industry
FIELD                                                         SUBFIELD
Field 02 - Culture and Arts                                   Music
ABET BAND                 UNIT STANDARD TYPE                  NQF LEVEL                        CREDITS
Undefined                 Regular                             Level 4                          7
REGISTRATION              REGISTRATION START                  REGISTRATION END                 SAQA DECISION
STATUS                    DATE                                DATE                             NUMBER
Reregistered              2007-08-07                          2010-08-07                       SAQA 0160/05
LAST DATE FOR ENROLMENT                                       LAST DATE FOR ACHIEVEMENT
2011-08-07                                                    2014-08-07


This unit standard does not replace any other unit standard and is not replaced by any other unit
standard.

PURPOSE OF THE UNIT STANDARD
The purpose of this unit standard is to enable learners to correct and control signal levels with specific
types of equipment.

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING
Learners should have attained the outcomes of NQF Level 3 outcomes regarding mathematics, literacy,
computers and music in the Further Education and Training (FET) Band, before embarking on learning
towards this Unit Standard (since this Unit Standard builds on these competencies). Life Skills level 2 is
recommended.

UNIT STANDARD RANGE
COMPRESSOR:

   THRESHOLD -54 to 0 Db
   RATIO (ANYTHING FROM 4-16 points) 1.0 - 20.0
   ATTACK 0 to 120 msOUT GAIN 0 to +18
   KNEE HARD - SOFT
 RELEASE 6 ms to 46,0 sec @ 44.1 kHz SAMPLING FREQUENCY

EXPANDER:

   THRESHOLD -54 to 0 Db
   RATIO (ANYTHING FROM 4-16 points) 1.0 - 20.0
   ATTACK 0 to 120 ms
   OUT GAIN 0 to +18
   KNEE HARD - SOFT
   RELEASE 6 ms to 46,0 sec @ 44.1 kHz SAMPLING FREQUENCY

COMPANDER:

   THRESHOLD -54 to 0 Db
   RATIO (ANYTHING FROM 4-16 points) 1.0 - 20.0
   ATTACK 0 to 120 ms
   OUT GAIN -18 to 0
   RELEASE 6 ms to 46,0 sec @ 44.1 kHz SAMPLING FREQUENCY

GATE:

   THRESHOLD -54 to 0Db
   ATTACK 0 to 120 ms; RANGE -70 to 0 Db
   HOLD 0.02 ms to 2.13 sec @ 44.1 kHz SAMPLING FREQUENCY
   DECAY 1.6 ms to 2.13 sec @ 44.1 kHz SAMPLING FREQUENCY


Specific Outcomes and Assessment Criteria:

SPECIFIC OUTCOME 1
Use compressors to create desired sound.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1
Specified threshold is applied to determine the input signal required to trigger compressor

ASSESSMENT CRITERION 2
Ratio amount is set relative to control the amount of compression applied

ASSESSMENT CRITERION 3
Attack time is adjusted to enable appropriate signal compression

ASSESSMENT CRITERION 4
Output level is set correctly

ASSESSMENT CRITERION 5
Knee is set to allow the transition of the signal at the threshold to be compressed

ASSESSMENT CRITERION 6
Release is set to determine when the compressor returns to its normal gain
SPECIFIC OUTCOME 2
Use an expander to aid in the creation of desired sound.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1
Specified threshold is applied to input signal to enable triggering of the expander

ASSESSMENT CRITERION 2
Ratio amount is set relative to control the amount of expansion

ASSESSMENT CRITERION 3
Attack time is adjusted to enable appropriate signal expansion

ASSESSMENT CRITERION 4
Output level on the expander was set correctly

ASSESSMENT CRITERION 5
Knee is set to allow the transition of the signal at the threshold

ASSESSMENT CRITERION 6
Release on the expander is set correctly

SPECIFIC OUTCOME 3
Use a compander to aid in the creation of desired sound.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1
Specified threshold is applied to input signal required to trigger compander

ASSESSMENT CRITERION 2
Ratio amount is set relative to change the output signal level

ASSESSMENT CRITERION 3
Attack time is adjusted to enable signal to be appropriately companded

ASSESSMENT CRITERION 4
Output level was set correctly

ASSESSMENT CRITERION 5
Distance (in decibels) between the expander and compressor is set at correct width

ASSESSMENT CRITERION 6
Release on the compander was set correctly
SPECIFIC OUTCOME 4
Use a gate and ducking effect to aid in the creation of desired sound.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1
Specified threshold is applied to level at which the gate closes

ASSESSMENT CRITERION 2
Attack time is set to determine how fast the gate opens once the signal exceeds the threshold level

ASSESSMENT CRITERION 3
Range control is set at level at which the gate closes

ASSESSMENT CRITERION 4
The hold setting was set to enable determination of how long the gate stays open

ASSESSMENT CRITERION 5
The decay setting for gating is set to close after the hold time expires to allow a natural decay

ASSESSMENT CRITERION 6
The decay setting for ducking was set according to the hold time



UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS
 Assessment of learner achievements takes place at providers accredited by a relevant ETQA (RSA,
1998b) for the provision of programs that result in the outcomes specified for this unit standard.

 Anyone assessing a learner against this unit standard must be registered as an assessor with a
relevant ETQA.

 Any institution offering learning that will enable achievement of this unit standard must be accredited
as a provider with a relevant ETQA.

 The relevant ETQA according to the moderation guidelines and the agreed ETQA procedures will
oversee moderation of assessment and is responsible for moderation of learner achievements of learners
who meet the requirements of this unit standard.

UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE
 Basic sound engineering concepts, acoustics, psychoacoustic simulation, equipment types,
specifications and terminology
 Basic editing and fault finding techniques
 First aid level 3
 Fire safety regulations

UNIT STANDARD DEVELOPMENTAL OUTCOME
N/A

UNIT STANDARD LINKAGES
  N/A



  Critical Cross-field Outcomes (CCFO):

  UNIT STANDARD CCFO IDENTIFYING
  Identify and solve problems when using dynamic processors to create sound

  UNIT STANDARD CCFO ORGANISING
  Employ self management when creating sound in general

  UNIT STANDARD CCFO COLLECTING
  Manage information when setting and adjusting attack time to threshold level

  UNIT STANDARD CCFO DEMONSTRATING
  Demonstrate basic technological competence when creating sound in general

  UNIT STANDARD CCFO CONTRIBUTING
  Understand contextual world-systems using dynamic processors to create sound

  QUALIFICATIONS UTILISING THIS UNIT STANDARD:
                                                                                                                   END
         ID        QUALIFICATION TITLE                                                  LEVEL STATUS
                                                                                                                   DATE
         48811 Further Education and Training Certificate: Music                                                   2010-08-
  Core                                                                                  Level 4 Reregistered
               Industry: Sound Technology                                                                          07




All qualifications and unit standards registered on the National Qualifications Framework are public property. Thus the only
payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material
is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.

				
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