NeatSpeech) the question about the speaking speed

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  • #1015622
    hitoshi
    Participant

    Hello, Halle.

    I have some questions.
    That’s about the speed at “initWithPitch:pitch:speed:transform:” method of “NeatSpeechVoice” class.

    The speed value is used to a scale of -1.0 <−> 1.0.
    Then, based on 0.0, how many times as fast as that in -1.0 <−> 1.0?
    I would like to show in the format like “x2.0” to the user.

    When changing the speed value,
    Is the amount of change fluctuated with a constant acceleration,
    or with a constant velocity?
    Please let me know if there is a calculation formula.

    And, do the speed value affect the waiting time at the punctuation marks?

    Best regards,
    Hitoshi

    #1015625
    Halle Winkler
    Politepix

    Hello Hitoshi,

    It is dependent on encapsulated details of the voice (it is specific to each voice) and it is also subject to change, so I can’t easily answer this question with a formula. If you’re curious about this for a specific voice, I think the full logging might give you enough information that you could time the playback and find out.

    #1015646
    hitoshi
    Participant

    Hi, Halle.

    I see.
    I’ll investigate the speed by actually reproducing sample sounds.

    Thank you for your qucik reply.

    Hitoshi

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