Robotics is emerging as one of the most prominent research areas in the world and is recently attracting the Vietnamese research community. For the purpose of determining an entrance for a Vietnamese human interacting robotics system, this paper is aimed at proposing a service-oriented architecture for location assistance robotic systems made out of loosely-coupled and distributed web services. The proposed platform consists of two major components: a Speech Processing System (SPS) and a Service Manipulating System (SMS). This architecture allows our robot to meet three critical human interaction robotic systems requirements: flexibility, scalability and reliability.

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This paper presents the adoption of state-of-the-art ASR techniques into Vietnamese. To better assess these techniques, speech corpora in the research community are assembled, and expanded, making a unified evaluation material under the name VN-Corpus. On this corpus, three ASR systems are built using the conventional HMM-GMM recipe, SGMM, and DNN respectively. Experimental results crown DNN with the overall WER of 12.1%. In the best case, DNN even cut down to 9.7% error rate.