A PCM based system uses Companding. Is Companding introduced because: Select one: O a. Noise from quantisation is removed by Companding Noise has more effect on low signal levels than on large signal levels, and Companding helps to reduce this. Human speech is very random O b. O c. O d. AWGN noise is removed by Companding

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A PCM based system uses Companding. Is Companding introduced because:
Select one:
O a. Noise from quantisation is removed by Companding
O b.
O c.
O d.
Noise has more effect on low signal levels than on large signal levels, and Companding helps to reduce this.
Human speech is very random
AWGN noise is removed by Companding
Transcribed Image Text:A PCM based system uses Companding. Is Companding introduced because: Select one: O a. Noise from quantisation is removed by Companding O b. O c. O d. Noise has more effect on low signal levels than on large signal levels, and Companding helps to reduce this. Human speech is very random AWGN noise is removed by Companding
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