AssemblyAI Enhances Speaker Diarization with New Languages and Improved Accuracy
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AssemblyAI has announced significant upgrades to its Speaker Diarization service, which is designed to identify individual speakers within a conversation. According to the company, these improvements have led to enhanced accuracy and expanded language support, making the service more effective and versatile for end-users. Speaker Diarization Improvements The updated Speaker Diarization model now offers up to 13% greater accuracy compared to its predecessor. The enhancements have been measured across various industry benchmarks, including a 10.1% improvement in Diarization Error Rate (DER) and a 13.2% improvement in concatenated minimum-permutation word error rate (cpWER). These metrics are critical in evaluating the performance of diarization models, with lower values indicating better accuracy. DER measures the fraction of time an incorrect speaker is attributed to the audio, while cpWER accounts for the number of errors made by the speech recognition model, including those due to incorrect speaker assignments. AssemblyAI’s improvements in both metrics highlight the model’s enhanced capability in accurately identifying speakers. Speaker Number Accuracy Another significant upgrade is the 85.4% reduction in speaker count errors. This improvement ensures that the model can more accurately determine the number of unique speakers in an audio file. Accurate speaker count is essential for various applications, such as call center software that relies on identifying the correct number of participants in a conversation. AssemblyAI’s model now boasts the lowest rate of speaker count errors at just 2.9%, outperforming several other providers in the industry. Increased Language Support The service has also expanded its language support, now available in five additional languages: Chinese, Hindi, Japanese, Korean, and Vietnamese. This brings the total number of supported languages to 16, covering almost all languages supported by AssemblyAI’s Best tier. Technological Advancements The improvements to Speaker Diarization stem from a series of technological upgrades: Universal-1 Model: The new Speech Recognition model,…
Filed under: News - @ June 22, 2024 9:14 pm