crystal.bk : cryst-4.fb4 Page 88 Monday, March 23, 1998 4:09 AM

4 Technical Information

System Specifications

Audio Features

Feature:

Description:

 

 

Digitized Sounds

• Compatible SoundBlaster® Pro Adlib® /OPL3®

 

• 16-bit and 8-bit stereo sampling from 4 kHz to 55.2 kHz

 

• Programmable sample rates with 1 Hz resolution

 

• Full duplex capture and playback at different sample rates

 

• Up to six different simultaneous sample rates

 

• Dual Tune F DMA transfer on channel 0, 1, 2 or 3

 

• Advanced 16-bit software-based real-time audio

 

compression/decompression system with the following

 

standards: PCM, Microsoft ADPCM, SoundBlaster

 

ADPCM in SB mode, CCITT A-Law, CCItt

 

• 16-bit software-based real-time audio

 

compression/decompression system with the following

 

standards: Creative ADPCM (16:4), CCITT A-law (16:8),

 

and CCITT μ-law.

 

• Automatic dynamic filtering for digital audio recording

 

and playback

 

 

Music Synthesizer

• MPU401 compatible MIDI port

 

• Support for Hardware and Software Wave table

 

Synthesizer

 

• Integrated OPL3 compatible music synthesizer

 

 

Enhanced Stereo

• Built-in “Phat Stereo” for enlargement of Stereo Image

 

 

Mixer

• MPC-3 audio mixer

 

• Input mixing sources: MIDI, microphone, LINE IN,

 

CD Audio, AUX Audio, and up to four digitized sounds

 

• Output mixing of all audio sources to the LINE OUT or

 

integrated PC Workstation speaker

 

• Multiple source recording and Left/Right channels mixing

 

• 32-level volume control for microphone, LINE IN, CD

 

Audio, AUX Audio and master volume.

 

• 64-level volume control for digital sounds, wave or PCM

 

data

 

 

LINE IN

• Input impedance: 4 ohms

 

• Input range: 0 to 1Vrms

 

 

LINE OUT

• Stereo output of 5 mW a channel with headphone

 

speakers (impedance >600 ohms)

 

 

88