Advanced 3D Positional Audio Support: Sensaura HRTF 3D audio technology places sources in the X, Y and Z planes for true 360° positional effects that appear above, below and all around you. DSP accelerates 32 hardware and 16 software DirectSound3D streams. Compatible with A3D 1.0, EAX 1.0/2.0, IA3D, MacroFX, MultiDrive, Virtual Ear.

2, 4 or 6-Speaker Digital Surround Sound: Home-theater surround sound through headphones or multiple speakers. Immersive 3D gaming and DVD audio with 2, 4 or 6-speakers and headphones (playback of Dolby Digital movie soundtracks from DVD requires a compatible software DVD player/encoder with provision for 6 speaker output). Digital Audio Connectivity: Digital Outputs connect to external Dolby Digital decoders, digital speakers and other home audio equipment with digital input.

Effects Processing: 10-band graphic EQ with presets and peak meters. Digital effects with versatile dual-bus effects routing mixer.

Acoustic Sound Fields: Customizable "sound fields" enhance playback of MP3, CD, DVD and other audio formats. Unlike sound cards that provide monophonic effects, Santa Cruz can position effects for each sound source to any speaker to create the perfect listening environment.

MIDI Wavetable Synthesizer: 8MB DLS synthesizer with scalable DSP/Host load sharing. 64-voice hardware polyphony with up to 1024 software voices. MIDI controllers for reverb, chorus, volume, envelope, pitch shift, tremolo and vibrato.

Audio Converters: Dual AC-97 2.1 audio codecs with full-duplex capability, for simultaneous recording and playback at sampling rates up to 48kHz. Three stereo 18-bit A/D converters for high-resolution recording (provides 4x better resolution than 16 bit converters). Three stereo 20-bit D/A converters for high-resolution playback of up to six independent streams.

Analog (A-A):

• Frequency Response: 10Hz - 120kHz (-3dB)
• SNR: 96dB FS A-weighted.
• THD+N: (-3dB): < -91dB FS (0.0027%).
• Crosstalk: -105dB @ 100Hz

Digital Playback (D-A):

• Frequency Response: (-3dB) @ Fs = 48kHz: 10Hz to 20kHz
• SNR: 90dB FS A-weighted
• THD+N: (-3dB FS): < -87dB FS (0.004%).

Digital Recording (A-D):

• Frequency Response: (-3dB) @ Fs = 48kHz: 10Hz to 20kHz
• SNR: 93dB FS A-weighted
• THD+N: (-3dB FS): < -84dB FS (0.005%).
• Digital Output: 48kHz PCM audio or Dolby Digital AC-3 for external decoder.
• Games Compatibility: Supports most DOS games in Windows 95/98 (DOS box and Real Mode)
• Analog Quad Mixer: Lets you pan analog sources between four speakers.