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I teach a game programming class. All of the students are having a problem with FMod. It has been reported on these forums before but no clear resolution has been reached.

During game applications with several sounds per second, after a few minutes FMod stops playing sounds. Other sound applications such as Media Player still play. Only a reboot restores FMod’s ability to play.

The problem occurs with wav files but not mp3s.

The problem occurs when FMOD_CHANNEL_FREE is specified with wav files in playSound. It does not occur if FMOD_CHANNEL_REUSE is specified with a reused channel pointer.

The problem occurs even with extremely recent sound drivers.

Setting the max hardware voices to 32 using System::setHardwareChannels() seems to fix the problem, but this is not confirmed.

This is a severe problem and it would probably be wise for the FMod team to circumvent it by setting hardware channels to 32 by default.

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