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Hi, I am making a game and the frame rate is starting to get very sluggish. I was just wondering how good the sample rate optimizer is and if I can rely on that. Some of my audio is up at 48 khz so should I resample these myself or will FMOD sort that for me? Also will ADPCM degrade my sounds too much or is it OK? Is there anything else apart from limiting DSPs that I could do to make it less expensive?

Thanks

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It is unlikely that FMOD is the bottleneck in your system unless you’re using a lot of expensive DSP effects (like pitch shift). You can use FMOD Profiler to determine what the CPU usage is for FMOD in your game.

The ‘optimize sample rate’ feature is designed to reduce the filesize with minimal degredation of sound quality. You can preview sounds with compression inside FMOD Designer. You should experiment with a variety of compression types and determine what you think is an acceptable trade-off between size and quality.

It sounds like you’re using PCM format for all your sounds, that will consume a lot of memory and require a lot of disk access. I would reccomend you try a compressed format like MP2 or ADPCM. It is best to use ‘load into memory’ mode for sound effects, and ‘stream from disk’ for music and dialog.

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