1. Cambridge Nationals Level 1/2 Creative iMedia
RO88 – Creating a Digital Sound Sequence
Westwood Tourist Board are launching an advertising campaign to promote their local area. They have asked you to produce a radio advertisement to promote the Westwood Seaside Resort that is 30–60 seconds long.
Key Vocabulary
Bit depth and Bitrate - Bit rate refers to the speed at which data is transferred, whereas bit depth is the ‘resolution’ or quality of the transferred data.
Exporting a digital sound - Exporting refers to the process whereby a format is chosen for a final product so that it is suitable for purpose and compatible with the client requirements. Usually this will involve selecting a format for which dedicated software is not require
Gain / Volume - Gain refers to the increase in power/voltage or amplitude of a signal. It is often described using units of decibels (dB). In editing a sound sequence, gain is altered to achieve a difference in the level of a particular sound.
Mixing - To blend audio signals together into a composite signal. The signal made by blending individual signals together.
Pitch - The pitch of a note value refers to how high or low the note sounds.
Sampling - A method of converting an analogue sound signal into a digital file containing binary numbers
Sound Effects - The creation and addition of sound effects to audio-visual products during post-production.
Timbre – Describes the sound quality of the instrument/sound.
Tonal range - The range between the lowest frequency and highest frequency that can be played.
Tone - Any single-frequency signal or sound.
Voiceover - A recording of the voice of an unseen narrator speaking (as in a motion picture or television commercial)
Learning Objectives
LO1 - Understand the uses and properties of digital sound (12 Marks)
Students produce a detailed and thorough summary of the uses and properties of digital sound. Students describe the different audio file formats and the properties of digital sound and demonstrates their understanding of environmental considerations and limitations relating to audio recording
LO2 - Be able to plan a digital sound sequence (18 Marks)
Students need to interpret the client brief and identify the target audience. Students will create a work plan detailing equipment needed. Legal considerations to be made in relation to the use of sounds in digital sound sequences. Students to draw upon skills and knowledge from the other units of work.
LO3 - Be able to create a digital sound sequence (18 Marks)
Source and record suitable sounds to be used in the radio advert. To produce a complex digital sound sequence which reflects planning and fully meets the client requirements. Use a wide range of appropriate editing and enhancement tools. Export the sound file using an appropriate file format.
LO4 - LO4: Be able to review a digital sound sequence (12 Marks)
Produce a review of the digital sound sequence demonstrating how it has met the client brief. Identify areas of further development and further improvements.