The tts_to_file and tts methods of TTS/api.py themselves support the …

[quweiqiqwq]

The tts_to_file and tts methods of TTS/api.py themselves support the speed parameter, but the internal tts method and synthesizer.tts method do not pass the speed parameter, resulting in the speed parameter being meaningless. After adding it, the speaking speed change function can be used normally.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

qwq seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}