сокращение от samples per line (число) отсчётов в строке
сокращение от sound-pressure level уровень звукового давления
1. Synchronous Programming Language. A DSP language. "Introduction to the SPL Compiler", Computalker Consultants, 1986. 2. Space Programming Language. Realtime language used by the US Air Force for aerospace software. Similar to JOVIAL. "Space Programming Language Development", SAMSO TP 70-325, System Development Corp (Sep 1970). (See CLASP). 3. System Programming Language. An ALGOL-like language for the HP3000 computer allowing inline assembly code. MPE, the OS for the HP3000 was written in SPL. 4. Systems Programming Language. A variant of PL/I used on PRIME computers. PL/I subset G, less I/O plus a few extensions. SPL User's Reference Guide, Prime. 5. Systems Programming Language. A PL/I subset/extension for the P1000. Symbolic constants, pointer arithmetic, inline assembly code. Used to implement compilers, operating systems, and database. 6. Student Programming Language. A translator-interpreter for a dialect of PL/I. 7. Set Priority Level