11.11 Sound Blaster Audio Card If you are using a Sound Blaster audio card that includes a Digital Signal Processor (DSP) chip earlier than version 2.0, you may want to upgrade to version 2.0 to improve audio performance. To find out which version of the DSP chip you currently have, run the TEST-SBC.EXE utility included in your Sound Blaster package. To receive version 2.0 of the DSP chip, contact Creative Labs, Inc. .