#TITLE_ALTERNATIVE#
Speech recognition has been developed for numerous applications with primary focus have been done on desktop computer and digital signal processor (DSP). However, some applications require implementation on a low-cost and lowpower system. These applications prefer a microcontroller based implementat...
Saved in:
| Main Author: | |
|---|---|
| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/10835 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Speech recognition has been developed for numerous applications with primary focus have been done on desktop computer and digital signal processor (DSP). However, some applications require implementation on a low-cost and lowpower system. These applications prefer a microcontroller based implementation on account of cost, power, and portability. Microcontroller based implementation requires a need of simpler algorithm than desktop computer based implementation. This need is based on microcontroller constraint such as computational power and memory.<p> <br />
<br />
<br />
<br />
<br />
<br />
A speech recognition system using formant tracker has been designed for this final project. On this algorithm, the first two formant frequency of a speech signal is extracted into a feature by detecting the sum of zero-crossing in the processed speech signal. This algorithm does not require intensive computational process and can be efficiently implemented on 8-bit microcontroller.<p> <br />
<br />
<br />
<br />
<br />
<br />
System implementation is done on personal computer (PC) with MATLAB and on microcontroller. Maximum average recognition rate of the system reached 87,5% on MATLAB and 85% on microcontroller. |
|---|