Automatic speech recognition using Flash

Recognizing speech from an audio file is perhaps one of the most widely used applications of AI. It's part of smartphone speakers such as Alexa, as well as automatically generated captions for video streaming platforms such as YouTube, and also many music platforms. It can detect speech in an audio file and convert it into text. Detection of speech involves various challenges such as speaker modalities, pitch, and pronunciation, as well as dialect and language itself:

Figure 4.6 – A concept of automatic speech recognition

To train a model for Automatic Speech Recognition (ASR), we need a training dataset that is a collection of audio files along with the corresponding text transcription that describes that audio. The more diverse the set of audio files with people from different age groups, ethnicities, dialects, and so on is, the more robust the ASR model will be for the unseen audio files.

In the previous...