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Old 06-25-2021, 04:37 PM   #126
Muskillogemi
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Muskillogemi began at the beginning.
 
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Join Date: Nov 2020
Device: Ipad
Quote:
Originally Posted by jackie_w View Post
Just to clarify ... you're running calibre 5.21 64-bit on Windows 10 and when you try to run either of the following with one of your purchased Ivona voices
  • 'TTS to MP3' plugin
  • calibre Viewer's Read aloud feature
you're seeing the same error, i.e.
Code:
OSError: C:\r\src\src\calibre\utils\windows\winsapi.cpp:281 :Failed to speak:[hr=0x80040154 wCode=0] Clase no registrada
It looks like that error message is a complaint from Windows. The path to calibre's speech program (winsapi.cpp) looks a bit odd but I'm no expert.

Do you see the same error message when:
  • using one of the Windows built-in Voices?
  • reading a Spanish book with a Spanish Voice versus an English book with an English Voice?

I'm running the same versions of Win10/calibre 64-bit as you. I own 3 Ivona Voices (all English) and I've just tested them in both 'TTS to MP3' and calibre Viewer's Read aloud. Everything is still working OK for me.

Your Spanish Ivona Voices running OK in TextAloud doesn't really confirm anything because TextAloud is a 32-bit program and is accessing the Voices from a different part of the Windows registry. The standard installation for all my Ivona Voices correctly updated both the 32-bit and the 64-bit parts of the registry. I didn't need to do anything special to make them appear in calibre's drop-down menus for Voice selection.

Hi Jackie. I have finally decided to buy some voices from a website that was recommended to me.: https://www.cereproc.com/en/products/sdk

The truth is that they are some of the best and most natural voices I have ever heard.There are times when it sounds like a real narrator is reading the book, but I run into a new problem when I convert the book from TTS to MP3 with this new voice. The conversion time without being exaggerated takes a very long time to complete, at least 20 times longer than any other voice, a 333 pages book at this moment takes 44 minutes of conversion and only 16% of percentage. At that rate it will take many, many hours to convert a single book, what could be the problem? Thank you.

Last edited by Muskillogemi; 06-25-2021 at 04:52 PM.
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