Speech Diarization and ASR with GMM
Aayush Kumar Sharma Vineet Bhavikatti Amogh Nidawani Dr. Siddappaji Sanath P Dr Geetishree Mishra
In this research paper, we delve into the topics of Speech Diarization and
Automatic Speech Recognition (ASR). Speech diarization involves the separation
of individual speakers within an audio stream. By employing the ASR transcript,
the diarization process aims to segregate each speaker's utterances, grouping
them based on their unique audio characteristics. On the other hand, Automatic
Speech Recognition refers to the capability of a machine or program to identify
and convert spoken words and phrases into a machine-readable format. In our
speech diarization approach, we utilize the Gaussian Mixer Model (GMM) to
represent speech segments. The inter-cluster distance is computed based on the
GMM parameters, and the distance threshold serves as the stopping criterion.
ASR entails the conversion of an unknown speech waveform into a corresponding
written transcription. The speech signal is analyzed using synchronized
algorithms, taking into account the pitch frequency. Our primary objective
typically revolves around developing a model that minimizes the Word Error Rate
(WER) metric during speech transcription.