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WorksheetsAudio files
Total questions: 15
Worksheet time: 8mins
In order for sound to be stored in a computer it must be converted to...
Analogue
Digital
Buddhism
JPEG
When recording sound, the number of samples recorded per second is called the:
sample rate
sample resolution
colour depth
File size
Increasing the sample rate of a recording will result in...
Higher-quality sound recording
Increased file size
Better compression
Higher colour depth
Increased amplitude
Modern computers convert the sound wave into digital code using ________.
samples
analog recording methods
binary
continuous sound waves
With both audio and video files, higher quality results in ________ file sizes.
smaller
larger
digital
analog
Why do we compress files?
For faster download and uploads
To reduce the storage space required for files
To get smaller file attachments for email
To cope with slow links when streaming
To get a higher resolution image and sound files
Using lossy compression, we can compress ........
Audio files
Video files
Text files
Image files
True or False:
The higher the bitrate the better the audio.
True
False
What is BPS?
Bits Per Second
Bites per second
Beans per second
Bits per sequence
What are the advantages of audio compression?
Fewer bits are needed.
It sound better.
When fewer bits are needed to convey the original info.
Essential for storage on mobile devices.
It looks nicer.
What is a lossless audio file?
Choose 2 answers:
It looses data.
It is very low quality.
Lossless audio file contains 100% of the audio data.
You can never lose it.
Has highest quality without any loss of data.
