Sentences Choosing

[Xinran S]

Hi,

Does the two reasons for discarding long sentences are, first it is hard to understand and the second reason is we need more sentences to get the rare diphones?
Why units from short sentences are less useful than normal sentences?
Thanks.

[Simon]

The reasons for avoiding very long sentences in the prompts for recording a unit selection database are

they are hard to read out without the speaker making a mistake
the proportion of phrase-initial and phrase-final diphones is low

Short sentences might be avoided because they have unusual prosody, and so units from short phrases (e.g., “Hi!”) may not be very suitable for synthesising ‘ordinary’ sentences.

[Author]

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