[Bug]: Worldline-R makes Japanese 「い」 sound whispery (other bug)

[newkonlormeexai-cyber]

Device and System Name

Samsung Galaxy a05s Android 15

App Version

Nightly 2.0.4 canary. 28

Description of the Issue

When using the Worldline-R renderer in OpenUtau Nightly, the Japanese vowel 「い」 can produce an unexpected whispery/breathy sound.

The same voicebank and note sound normal when using the Classic renderer and in OpenUtau 1.1.7.

Steps to Reproduce

1.Open OpenUtau Nightly.

2.Select the Worldline-R renderer.

3.Load the same Teto voicebank.

4.Create a note using the alias 「い」.

5.Render the note.

Pre-flight Checklists

• I have searched for similar issues, and none have been found.
• This is a legitimate issue, not a general discussion or feature request.
• I didn't read the checkboxes so I pressed every single one and didn't know I didn't have to press this one.
• I didn't read the checkboxes so I pressed every single one and didn't know I HAD to press this one.

[MysticILD]

Please do not open duplicate issues. Could you provide more info on the voicebank used? Kasane Teto has a lot of UTAU voicebanks. Could you also provide the .ustx file that causes the issue?

[newkonlormeexai-cyber]

I use kasane teto-OUset utau voicebank
Not because ustx file I try in openutau 1.1.7 version and it completely normal