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Hi,
I am developing a NextJs application based on:
https://github.com/HeyGen-Official/InteractiveAvatarNextJSDemo

Using different "rate" options and "voiceEmotion" settings don't seem to have any effect when interacting with the Interactive Avatar.

I've tried with both a custom made Avatar and the Preset "Ann_Therapist_public".

I am setting these values in the SDK call to createStartAvatar:

    const res = await avatar.current.createStartAvatar({
      quality: avatarQuality,
      avatarName: avatarId,
      knowledgeId: knowledgeId,
      voice: {
        rate: talkRate,
        emotion: voiceEmotion,
      },
      language: language,
      disableIdleTimeout: true,
      useSilencePrompt: useSilentPrompt,
    });

where talkRate is a value between 0.5 and 1.5 and voiceEmotion is taken from the 'VoiceEmotion' enum in the SDK.