[DECtalk] why is dectalk's alphabet so strange?

Carlos Fernandez cf530a at gmail.com
Sun May 24 23:25:46 EDT 2015


That would be a logical conclusion. The founders of Cepstral are speech 
researchers that graduated from CMU.

Carlos
On 5/24/2015 20:51, Blake Roberts via Dectalk wrote:
> Alex, Are you saying that  Dectalk is based off another synthesizer's
> dictionary? That explains to me why the phonetic dictionary of Dectalk and
> the one used by TTS company Cepstral are  similar.
> Blake
> -----Original Message-----
> From: Dectalk [mailto:dectalk-bounces at bluegrasspals.com] On Behalf Of Alex
> H. via Dectalk
> Sent: Sunday, May 24, 2015 7:19 PM
> To: DECtalk
> Subject: Re: [DECtalk] why is dectalk's alphabet so strange?
>
> Looks like DEC was loosely based on the CMU dictionary... there's
> definitely some crossover somewhere...
>
> [1] http://www.speech.cs.cmu.edu/cgi-bin/cmudict
>
> It's worth noting that between DEC 4.3 and 4.64, and FonixTalk
> thereafter, there were some trivial changes, both with auditory
> phonemes and what is accepted in brackets of phonemic text. For
> example dashes choke FonixTalk, but work fine in 4.3. You can still
> use underscores or commas to insert pauses, durations are optional as
> always.
>
> Alex
>
> On 5/24/15, Mohamed via Dectalk <dectalk at bluegrasspals.com> wrote:
>> Hi guys, so, I have another dectalk question. So, why is its phonemic
>> alphabet so strange? Like, uw, jh, hx, nx. I get what they're supposed
>> to say, but in phonemes like h, j, etc, what's the purpose of the other
>> character, like with the j sound, what's the purpose of the h?
>> Thanks
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