# NNS_SndUnlockChannel

## Syntax

      #include <nnsys/snd.h>

      void NNS_SndUnlockChannel( u32 chBitFlag );

## Arguments

`chBitFlag` | Bit flag of the channels to unlock.

## Return Values

None.

## Description

Unlocks locked channels.

The channels to unlock are designated with `chBitFlag`. Channel 0, channel 1, channel 2...are designated in order from the lowest bit, and all channels with an active bit are unlocked at the same time. For example, when unlocking channel 2 and channel 5, designate (1<<2) | (1<<5), or 0x0024.

### Note

This function and the `NNS_SndLockChannel` function must be called on a one-to-one correspondence. Be aware that attempting to unlock a channel that has not been locked will result in unexpected malfunctions.

## See Also

NNS_SndLockChannel

## Revision History

2004/10/25 Initial version.

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