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Specify the language, audio format, and expected recording conditions. Background noise, overlapping speakers, unusual names, and domain-specific terminology can affect recognition. A system’s performance on one dataset does not establish the same result for every accent or environment. Separate transcription from speaker identification, translation, and summarization. Those tasks may be combined in a product, but each can introduce additional errors. A speaker label is not necessarily a verified identity. Word error rate compares substitutions, deletions, and insertions with a reference transcript. Normalization rules for punctuation, casing, and tokenization affect the result. Report those rules and inspect meaning-changing errors rather than relying solely on one aggregate percentage. Preserve access to the original recording and relevant timestamps where permitted. Provide a review process for names, numbers, technical terms, and uncertain passages. Test silence and non-speech audio so the system does not turn an absence of speech into a confident-looking transcript.