Implementation of speech recognition algorithm for a 32-bit CPU-based portable device
We have implemented a connected word speech recognition algorithm for a handheld educational device, SpeakingPartner. This system is based on a low-cost 32-bit CPU, and equips a graphic LCD for animation, 8 Mbyte of DRAM and 32 MB of NAND flash memory. Several previously known software optimization...
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| creator | RYU, Suhong LEE, Younim SUNG, Wonyong |
| description | We have implemented a connected word speech recognition algorithm for a handheld educational device, SpeakingPartner. This system is based on a low-cost 32-bit CPU, and equips a graphic LCD for animation, 8 Mbyte of DRAM and 32 MB of NAND flash memory. Several previously known software optimization algorithms, such as fixed-point conversion, loop fusion, loop unrolling, and circular addressing, as well as efficient log-likelihood computation and partial backtracking methods are applied. The implementation results show that the peak computation requirement for a real-time implementation is reduced to about 8 MIPS, which translates that a 60 MHz 32-bit CPU based system can perform the speech recognition while playing animation in a multi-tasking mode. |
| doi_str_mv | 10.1109/ICCE.2002.1014011 |
| format | Conference Proceeding |
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| identifier | ISBN: 0780373006 |
| ispartof | 2002 Digest of Technical Papers. International Conference on Consumer Electronics (IEEE Cat. No.02CH37300), 2002, p.240-241 |
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| language | eng |
| recordid | cdi_ieee_primary_1014011 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Animation Applied sciences Cepstrum Delay Exact sciences and technology Feature extraction Floating-point arithmetic Information, signal and communications theory Linear predictive coding Random access memory Real time systems Signal processing Signal processing algorithms Speech processing Speech recognition Telecommunications and information theory |
| title | Implementation of speech recognition algorithm for a 32-bit CPU-based portable device |
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