science

can please someone check my answer.

which 2 statements are true
A)Morse code, Huffman coding and run-length encoding are all examples
of lossy compression.
B)Lossless compression uses perceptual compression techniques to
ensure that all the data can be recovered during the decompression
process.
C)At sounds with frequencies below 100 Hz, the human ear cannot
recognise stereo information.
D)The primary function of audio compression is to reduce the amount of
memory required for a sound sample.
E)When the output of non-destructive editing is not stored, each sample
must be processed within the sample period.
F)The process of normalisation makes a sound sample less resistant to
the effects of interference at a later stage of processing.

my answer is C and F.However D looks pretty close.

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asked by Roger

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