[DECtalk] It's time to bust some DECtalk myths

[jamminjerry at jjhof.com]

Hey there jake! Very nice job on the NVDA addon. The only thing I am noticing is that while English US works just fine where you can change voices, inflection, and things like that, the UK version, you can’t change anything at all. I tried, and no change to the voice at all. Is this a problem in the UK part of the code? I didn’t try other languages, as I don’t know them, so would get lost trying to get back to English. Smile.

 

 

 

From: Dectalk <dectalk-bounces at bluegrasspals.com> On Behalf Of Jake Gross
Sent: Saturday, September 17, 2022 10:49 AM
To: Blake Roberts via Dectalk <dectalk at bluegrasspals.com>
Subject: [DECtalk] It's time to bust some DECtalk myths

 

Hi everyone,

For the past couple days, I have been having a field day with some DECtalk source code I got from a former Fonix Employee. The versions I have sources for are 4.60, 4.60 R008, 4.62, 4.63, 4.64, and 5.0, as well as Internal development tools that were used to develop various parts of the engine such as the phoneme and rule tables.

Version 4.60 R008 Is Especially Interesting, as this Is literally the version that shipped with Window Eyes. The codebase for this particular version Is based on code from late 1999, so this was the 4.60 era. Modifications started on June 13 of 2003 at 8:08 PDT and It was built at 9:12 PDT on the same day, and the only things that were modified were some slight tweaks to the audio playback code and the vocal tract model.

The build log In the archive Is the build log for the DLL that shipped with window eyes, as the timestamp of that DLL Is 6/13/03 9:12:21 and the build log timestamp Is 6/13/03 9:12:20.

4.62 sounds like 4.61 for the most part, however It has an Interesting bug with a particular word. Also, type “denissklatt” In any version of DECtalk for a little easter egg.

Version 4.63 uses HLSyn, so It doesn’t sound like classic DECtalk at all.

I also put together a multilingual NVDA addon for DECtalk 4.6 <https://keybase.pub/datajake1999/Grossgang/tts/synthesizers%20for%20nvda/dectalk/DECtalk%204.6.0%20Multilingual.nvda-addon> . The Included DLLs were built with Visual Studio 2005 and I disabled the license checks In the code.

I have uploaded all of this stuff to my keybase <https://keybase.pub/datajake1999/Grossgang/tts/DECtalk%20source%20code%20archive/> , and the person I was In correspondence with said It was OK If I did so.

If anyone wants anything built, feel free to let me know.

Have fun,

Jake

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