SAA7785

• 2, 4, or 5.1 speaker and headphone 3D algorithms
• QSound3DInteractive^TM interactive positional 3D
• QSound Multi-Speaker System^TM stereo to quad or stereo to 5.1 processing
• QSound Environmental Modeling^TM (I3D Level 2.0, EAXTM 1.0/2.0 compatible)
• QXpander^TM and stereo-to-3D remapping
• Integrated S/PDIF OUT and optional S/PDIF IN
• AC3 5.1 or stereo playback through S/PDIF output
• Processing up to 512 simultaneous inputs including 256 DirectSound streams and up to 96 concurrent CD quality 3D streams
• Redirection up to 5.1 streams from PCI to USB or IEEE 1394 devices via 14 Channel Virtual Write Master
• Superior hardware acceleration for minimum CPU consumption
• Broadest API compatibility including DirectSound3D^TM, EAX^TM, and A3DTM
• 64 hardware wavetable polyphony
• Professional soft-synth with 256 voice polyphony and XG support
• Second generation ActiMedia programmable DSP architecture
• Global reverb for external digital and analog input sources
• Enhanced MIDI reverb and chorus (per track and global)
• Independent I²S input and output ports
• Comprehensive Real Mode DOS and DOS windows support
• Dual gameport accelerator with leagacy and digital joystick modes
• PC/PCI, DDMA, and LAMTM PCI DMA support
• Supports quad and dual AC97 CODECS
• 3.3 v operation with 5 v tolerant I/O
• Windows^(R) 95 , Windows^(R) 98, and Windows^(R) 2000 (WDM) drivers

The SAA7785 ThunderBird AvengerTM is a high-performance PCI audio accelerator offering the ultimate home theater, gaming and music solution. Armed with QSound's advanced QMSS^TM, ThunderBird Avenger^TM transforms ordinary stereo games, movies and music to 5.1 speaker output. An integrated S/PDIF OUT connects to consumer audio equipment and S/PDIF IN support provides digital connection from a CD player or other digital audio equipment. The ThunderBird Avenger^{TM SAA7785} supports redirection of up to 5.1 streams from PCI to USB or IEEE 1394 devices. Full hardware acceleration of DirectSoundTM, 3D audio, music synthesis and gameport functions provides increased graphic framerates and industry leading low CPU consumption. Utilizing a specialized DSP SAA7785 controller and combining with a AC97 codec creates a high quality, high performance, low cost audio subsystem.