The
eap driver provides support for the Ensoniq AudioPCI and Creative Labs SoundBlaster PCI series of audio cards. All models based on the ES1370, ES1371, and ES1373 chips are supported.
By specifying:
options EAP_USE_BOTH_DACS
a second audio device is attached. You can use it simply by directing audio output to it. This way it is possible for two different programs to use the "same" audio device simultaneously.