eXpressDSP is a software package produced by Texas Instruments. This software package is a suite of tools used to develop applications on Texas Instruments Digital Signal Processing line of chips.
It consists of:
eXpressDSP Algorithm Interface Standard
TI publishes an eXpressDSP Algorithm Interface Standard (XDAIS), an Application Programming Interface (API) designed to enable interoperability of real-time DSP algorithms.
References
EXpressDSP Wikipedia(Text) CC BY-SA