# NNS_SndPlayerSetTempoRatio

## Syntax

      #include <nnsys/snd.h>

      void NNS_SndPlayerSetTempoRatio( NNSSndHandle* handle, int ratio );

## Arguments

`handle` | The sound handle pointer.
`ratio` | Tempo magnification factor

## Return Values

None.

## Description

Changes tempo of a sequence.

This function changes the tempo of a sequence that is bound to the sound handle `handle`. This function does not perform any action if the sound handle is invalid.

The original tempo is multiplied by `ratio`/256. (The tempo does not accumulate each time the function is called.)

## See Also

None.

## Revision History

2004/06/01 Revised to state that the Sound Handle binds to the sequence
2004/04/01 Initial version

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