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Note that PAM can be analogue or digital, in the case of PAM X which goes direct to speaker, it can be considered as both at the same time (to human ears).
PAM X is still digital because in audio each colour is a digit value, 0 - 255 (256 total values) which are digits, and a range of digits.
However, the value does not need to specifically be a digit, it can be a direct command.
Either way RGB optical is NOT binary, binary is two values 0 or 1.
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PCM (pulse code modulation) uses binary, which is why compression exists (to use less code), well you can not beat, nor compress 1 bit values.
In basic calculator form, 256 x 256 would be 3 bits linear, with a 1 bit result if the range was high enough (65,536).
PAM X is still digital because in audio each colour is a digit value, 0 - 255 (256 total values) which are digits, and a range of digits.
However, the value does not need to specifically be a digit, it can be a direct command.
Either way RGB optical is NOT binary, binary is two values 0 or 1.
----
PCM (pulse code modulation) uses binary, which is why compression exists (to use less code), well you can not beat, nor compress 1 bit values.
In basic calculator form, 256 x 256 would be 3 bits linear, with a 1 bit result if the range was high enough (65,536).
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