GEN31
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## GEN31

GEN31 — Mixes any waveform specified in an existing table.

## Description

This routine is similar to GEN09, but allows mixing any waveform specified in an existing table.

## Syntax

    f # time size  31  src  pna stra phsa  pnb strb phsb  ...

## Performance

src -- source table number

pna, pnb, ... -- partial number, must be a positive integer

stra, strb, ... -- amplitude scale

phsa, phsb, ... -- start phase (0 to 1)

GEN31 does not support tables with an extended guard point (ie. table size = power of two + 1). Although such tables will work both for input and output, when reading source table(s), the guard point is ignored, and when writing the output table, guard point is simply copied from the first sample (table index = 0).

The reason of this limitation is that GEN31 uses FFT, which requires power of two table size. GEN32 allows using linear interpolation for resampling and phase shifting, which makes it possible to use any table size (however, for partials calculated with FFT, the power of two limitation still exists).

## Credits

Author: Istvan Varga

New in version 4.15

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