disables the synthesis on the encoder side when pitch is disabled.

Also, making it possible to disable pitch for all frames.

the time-domain representation from Q14 to Q12 (Q29 to Q27 using the
standard convention).

band

(at which point, it causes problems)

per frames for each mode.

pulse split. Also, added an allocation line for even higher bit-rates

based on the max absolute value in a range.

to power-of-two.

(still requires float ops though). Also, removed the per-band IDCT.

per-band IDCT.