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Altera_Forum's avatar
Altera_Forum
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16 years ago

help to understand the protocol pcm

hi Please I'd like to know how the protocol works pcm (pulse code modulation), ie how to transfer data or how to receive data with details thank you
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The nonlinear coding is for having uniform signal/quantisation noise ratio.

remember quantisation(rounding) erorr = 1/2 LSB anywhere on the staircase.

so the effect of error is greatest for low signal values.