Judul: Transkripsi Suara Pengenalan Angka Bahasa Indonesia Menggunakan Metode Hidden Markov Model.
Abstrak: Penelitian ini membahas tentang Automatic Speech Recognition (ASR) menggunakan metode Hidden Markov Model dalam mentranskripsikan suara bahasa Indonesia. Kata yang akan ditranskripsikan berupa angka positif dari satuan sampai miliyaran. Penelitian ini menggunakan HTK toolkit berdasarkan metode Hidden Markov Model (HMM). Sistem ini dibuat dengan menggunakan 100 data latih dan 20 data uji. Penelitian ini dilakukan untuk melihat pengaruh penambahan fitur Delta pada proses ekstraksi ciri menggunakan Mel-Frequency Cepstral Coefficients (MFCC), dan pengaruh pembuatan model triphones dibandingkan pembuatan model monophones. Percobaan yang dilakukan adalah membuat model monophones dengan ekstraksi ciri MFCC, membuat model monophones dengan ekstraksi ciri MFCC dan Delta, membuat model triphones dengan ekstraksi ciri MFCC, dan membuat model triphones dengan ekstraksi ciri MFCC dan Delta. Akurasi tertinggi mencapai 98.88% untuk mentranskripsikan kata, dan 85% untuk untuk mentranskripsikan kalimat/data yang diperoleh dari percobaan model triphones dengan ekstraksi ciri MFCC dan Delta.
Keyword: Automatic Speech Recognition, Delta, MFCC, HMM, HTK

Judul: Pengembangan Hidden Markov Models untuk fonem berbahasa Indonesia pada sistem konversi suara ke teks
Abstrak: Speech to text transcription system is a system used to convert a voice signal from a microphone or a telephone into a single or a set of words. Research on speech to text transcription systems has been widely applied. But these systems tend to be developed based on words, hence they are inefficient when developed for a large vocabulary. This study uses Baum Welch algorithm for HMM training, Forward algorithm for HMM testing, and Mel-Frequency cepstral coefficient (MFCC) to extract voice features. Data used in this study consist of 5 words in Indonesian language. Phonemes are generated from the segmentation process, and then trained with Baum Welch algorithm to generate the model. This study produced 10 models. The best accuracy obtained is 82% generated by testing the HMM with 2 States and 5 epochs
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Judul: Sarcosporidiasis in slaughter animals
Abstrak: Sarcocystis which belong to the generally occuring parasites for they are found almost all over the countries of the world. Infection of Sarcocystis usually throught inges- tion of feces or flesh of infected animals. The pathogenesis of Sarcosporidiasis is considered as benign but when the Sarcocystis die in a host, sarcocystin or sarcosporidin is liberated thereby which lead to condemnation of meat in the abattoir. Besides condemnation of meat, Sarcocystis also causes: loss of appetite, anemia, lameness, weakness in the lion, diarrhea, fever, pyrexia, paralysis, emaciation, neuro logical disturbances, etc. " Amprolium "at the rate of 100 mg/Kg body weight per day has been practiced for prevention or to minimize Sarco- sporidiasis. Treatment must be started during incubation period. Shedding of Sarcocystis sporocysts in the feces of carnivores is the key factor in the spread of Sarcocystis infection. Therefore, control efforts must be based primarily on measures designed to break the cycle of Sarcocystis.
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