BLOCKFRAMEACCEL - Precompute structures for block processing

Usage

F = blockframeaccel(F,Lb);

Description

F=blockframeaccel(F,Lb) has to be called for each frame object prior to entering the main loop where blockana and blocksyn are called. The function works entirely like frameaccel but in addition, it prepares structures for the processing of a consecutive stream of blocks.

'sliwin',sliwin : Slicing window. sliwin have to be a window

of length 2Lb or a string accepted by the firwin function. It is used only in the slicing window approach. The default is 'hann'.

'zpad',zpad : Number of zero samples the block will be padded

after it is windowed by a slicing window. This does not affect the synthesis windowing.