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Sound Quality and File Size — OCR Computer Science J277 | GradeGen
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Computer Science
OCR GCSE Computer Science
Memory and Storage
Data Storage
Sound Quality and File Size
OCR GCSE Computer Science · J277
Sound Quality and File Size
Sound
What you need to know
Define sample rate (measured in Hertz), duration (in seconds), and bit depth (number of bits per sample).
Assess how sample rate, duration, and bit depth affect the playback quality of a sound file.
Assess how sample rate, duration, and bit depth affect the overall size of a sound file.
Revision notes
1
Sound Quality and File Size
5 key terms
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Practise with past papers
Key terms & definitions
Previous subtopic
Digital Sound Sampling
Next topic: Compression
Need for Compression
