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Casio CZ/ VZ/ FZ - Pro Series

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Re: [CZsynth] Re: VZ SysEx Format

2014-02-15 by Lee

I think most are familiar with nibbles being 4 bits and bytes being 8. However, as charlie has seemingly indicated the 4 bits may exist within a byte and in midi transmission the 4 bits do indeed exist within a byte which is why they are so referred to in the manual. 
The byte MUST have first bit 0 in order to not be a header and in yamaha's case the next 3 are as well, meaning that the lower and upper 4 bits (nybbles) of a byte (proper) are carried as 2 bytes (nybbles) with the upper 4 bits all 0.
This is not how ART and other manufacturers code their bytes and reference to nybbles/bytes is apt to cause confusion as indeed it seems to be doing!


Sent from my iPhone

On 6 Feb 2014, at 13:09, gtrmacs <gtrmacs@...> wrote:

> > nybbles are bytes
> 
> A nybble is half a byte??
> 
> <http://en.wikipedia.org/wiki/Nibble>
> 
> --
> 
> Take care . . .
> 
> Brian
> 
>

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