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Speech & Audio terms
Speech recognition, voice analytics and conversation intelligence.
Audio analytics The analysis of sound and audio signals, from speech and music to ambient noise, to extract patterns and meaning. Automatic speech recognition (ASR) Technology that converts spoken audio into written text, forming the input layer for most speech and voice analytics. Speaker diarization Splitting an audio recording into segments and labeling which speaker was talking in each, without necessarily identifying who they are. Speech analytics Software that transcribes and analyzes spoken audio, such as call center recordings, to extract sentiment, keywords, and compliance signals. Word error rate (WER) The standard accuracy metric for speech recognition, measuring the edit distance between a transcript and the correct reference text.