RP
R. Popa
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Automatic Speech Recognizers (ASR) transcribe speech to text and have become very popular. These systems need to accommodate all types of speech, and problems appear for different genders, ages and regional accents. In this paper we aim to discover what are the differences in types of recognition errors made by Dutch listeners and ASR systems in transcribing Flemish Dutch speech. This has been done through an experiment where human listeners and ASRs listened to 40 audio samples coming from speakers from different regions. Afterwards the transcriptions were collected, processed and we calculated the word error rate (WER). ASRs outperformed humans, scored lower WER, with differences appearing based on speaker region. Results show that ASR systems display similar recognition error patterns, a lot of substitutions and deletions, and very few insertions. The main difference stands in the way humans and ASRs deal with confusing audio. Humans tend to use similar words that fit the context whereas ASRs are more prone to inserting unrelated words.
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Automatic Speech Recognizers (ASR) transcribe speech to text and have become very popular. These systems need to accommodate all types of speech, and problems appear for different genders, ages and regional accents. In this paper we aim to discover what are the differences in types of recognition errors made by Dutch listeners and ASR systems in transcribing Flemish Dutch speech. This has been done through an experiment where human listeners and ASRs listened to 40 audio samples coming from speakers from different regions. Afterwards the transcriptions were collected, processed and we calculated the word error rate (WER). ASRs outperformed humans, scored lower WER, with differences appearing based on speaker region. Results show that ASR systems display similar recognition error patterns, a lot of substitutions and deletions, and very few insertions. The main difference stands in the way humans and ASRs deal with confusing audio. Humans tend to use similar words that fit the context whereas ASRs are more prone to inserting unrelated words.