Features/System Setup

The Santa Cruz card

Santa Cruz Features

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.

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.

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 6 independent streams.

Audio Specifications

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.

Test System Setup

AMD Duron 600
Abit KT7-RAID

NVIDIA Reference GeForce2 GTS 32mb (Driver Version 6.31)
Turtle Beach Santa Cruz
Creative Labs Sound Blaster Live! X-Gamer

Micron PC133 CAS2 SDRAM - 1x128MB
Western Digital Caviar 7200rpm 18gb EIDE HD

Windows 98SE

Benchmarks

(All tests run under a clean install of Windows 98)
ZDBop's Audio Winbench '99
Unreal Tournament 640x480x16 (fs.dem benchmark)
Quake III Arena - Fastest Setting - Demo001