HEDD, short for harmonically enhanced digital device, is a technological breakthrough in signal processing.  HEDD is engineered to be musically transparent while providing the capability of generating tube/analog sounds in the digital domain. 
The Crane Song HEDD gives any user who works with digital the ability to sound less digital and more analog. 
Applications include: CD preparation, work station input and output, DAT machine A/D and D/A convertor replacement and effects generation (warming or changing sounds in the digital domain).  HEDD 192 can be used in tracking, mixing or mastering. 
Features:
- High-quality 24 bit A/D and D/A convertors 
 
- 24 bit processing 
 
- Adjustable triode, pentode and tape sounds 
 
- Digital I/O, AES and S/PDIF 
 
- External WC sync input and output 
 
- Will be upgradable to 192K sample rates