Why do AI English conversation voice types differ by app? Reading the three conditions for providing speaker voices from the structure of official voice lists

Some AI English conversation apps allow you to choose the speaker's voice, while others do not.Even in apps where you can ...

How are fillers handled in AI English conversation? Reading about the three processes for 'um' and 'er' in transcription and conversation breaks using official documentation

When speaking while thinking in AI English conversation, 'um' or 'er' often slips out.However, when looking at the subtitles ...