The audio performance standard for the PC has been raised again with the introduction of the AUDIOTRIX PRO. This brand new sound card is based on the Yamaha OPL4 chip set which contains Wave Table and FM synthesis. Wave Table is based on the digitized recordings of actual instrument sounds while FM synthesis is based on the manipulation of sine waves.

The AUDIOTRIX PRO permits 24 voices of Wave Table sound and 20 voices of FM sound to be output simultaneously. The result is a new height in audio performance that has no equal in the PC marketplace today. In addition to Wave Table and FM synthesis, the AUDIOTRIX PRO also includes a standard General MIDI voice bank on a 2Mbyte mask ROM and a 16-bit 48KHz full duplex audio codec which provides a complete MPC and Microsoft Windows Sound System solution while remaining backward compatible with the original industry standards Ad Lib and Sound Blaster. Upgradability is built into the Audiotrix Pro with such expansion as DSP/Effects Processing, Sample RAM/ROM and multiple CD-ROM interfaces.

Product Features

Functions

• Full compatibility with Ad Lib adapter in hardware
• Full compatibility with Microsoft Windows Sound System adapter in hardware
• Full compatibility with Roland MPU-401 adapter in hardware (UART mode)
• Full compatibility with Sound Blaster adapter in hardware
• Full compliance with General MIDI specifications
• Exceeds all Multimedia PC (MPC) Sound Adapter specifications

Sound Quality

• High quality audio with overall signal-to-noise ratio exceeding 90 dB
• Wave Table synthesis: 24 independent stereo channels of 8, 12 or 16-bit waveform data with 16 levels of pan for each voice.
• Voice output data sampling frequency is 44.1 KHz and a 2 Mbytes standard General MIDI voice bank is included
• FM synthesis: 20 independent stereo channels of FM synthesized sound with 4 operator FM synthesis using 8 different waveforms for enhanced instrument sound
• 16-bit stereo FM DAC
• 16-bit full duplex stereo sampling DAC accepting 16 and 8-bit data with over 90 dB dynamic range. The CODEC uses 1-bit Sigma-Delta quantization along with 64 x oversampling and noise shaping to achieve maximum signal-to-noise ratio.
• 0-22 KHz frequency response at 48 KHz playback rate
• Mixer integrated in the CODEC for maximum signal-to-noise ratios
• Stereophonic output with software programmable volume controls
• Extremely low THD (Total Harmonic Distortion) with ratings below 1/10 of 1%
• Along with low-chip count ASIC-centered technology, the Audiotrix Pro is assembled using the latest double-sided surface mount assembly techniques, bringing superior quality and real CD sound to the electrically noisy PC environment

Features

• Onboard Yamaha OPL4 44 voices Wavetable/FM Synthesizer
• Onboard 16-bit Full Duplex 48KHz Sampling and Playback CS4231 CODEC by Crystal Semiconductor
• Complete setup by software, no hardware jumpers to adjust
• Upgradable to professional effects processing with DSP/Effects Processor
• Upgradable with Sample RAM/ROM expansion for additional MIDI instruments
• Upgradable to multiple CD-ROM interfaces for your choice of CD-ROM drive
• Microphone input for voice recording
• Line input for stereo recording from analog sound sources
• MIDI input and output through MPU-401 interface for external MIDI device, with ability to disconnect the Audiotrix Pro OPL4 Synthesizer from the MPU-401 MIDI port
• IBM standard game port for all popular analog joysticks, with support for dual joysticks
• CD-ROM-In connector for Internal CD-ROM audio cable connection
• Line-out connected to power amplifier of 4 watts per channel at 4 ohms
• 3 Expansion connectors which permit simultaneous use of Multi CD-ROM or proprietary CD-ROM interfaces, DSP/Effects Processor or DSP/Voice Processor module and Sample RAM/ROM expansion daughterboards
• Cross Platform device driver availability for all these common PC operating systems: DOS, Windows, OS/2, Windows NT, NeXTStep, Linux and many other UNIX flavors

Audiotrix Pro Technical Specifications