Research Article

FPGA Implementation of a Pipelined Gaussian Calculation for HMM-Based Large Vocabulary Speech Recognition

Table 1

Timing results for software implementation.

ā€ƒFrames/sSpeed (Ɨ real time)Percentage of Clock cycles spent on gaussian calc.

Sequential C++ 80%
C++ with SSE intrinsics 48%
8-thread parallel C++ with SSE 48%