Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Discussion about old sound cards, MIDI devices and sound related accessories.

Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby Paralel » 2018-9-06 @ 16:11

I came across the description for an interesting item recently, a Digispeech Plus (Model Number: DS311 or DS311A):

Image

(Yes, this is literally the best image I could find of it anywhere)

Anyone ever seen/heard of this item before? It has interesting specifications:

"Easy installation: just plug into a parallel printer port and install the software on your network or hard drive."

"...SoundblasterTM and AdlibTM compatible."

"Simultaneous synthesized music and digital audio playback"

Playback:

Stereo PCM Playback.
8/16 bits linear per channel: 11.025kHz, 22.05kHz, 44.1kHz
8 bits u-law per channel: 11.025kHz, 22.05kHz, 44.1kHz

Mono PCM playback:
8 bit linear: 4kHz to 44.1kHz
8 bit u-law:4kHz to 44.1kHz
8 bit a-law:4kHz to 44.1kHz
16 bit linear 4kHz to 44.1kHz

Mono Adaptive PCM decompression (ADPCM) and playback:
DVI 4 bits per sample(BPS): 4kHz to 44.1kHz
OKI(TM) 4 BPS:4kHz to 44.1kHz
Soundblaster 4 BPS:4kHz to 44.1kHz
Soundblaster 2.6 BPS:4kHz to 44.1kHz
Soundblaster 2 BPS:4kHz to 44.1kHz
CVSD 1 BPS:4kHz to 44.1kHz

Voice decompression:
CELP 1.1 b/s: 8kHz
RELP 1.65 b/s:8kHz

Synthesized voice:
LPC: ~300 bytes/second

Synthesized music:
Mode 1: 9 melodic voices
Mode 2: 7 melodic, 4 percussive voices
Mode 3 (speech/music): 9 melodic voices, ulaw/Linear PCM @ 4kHz to 11.025kHz
Mode 4 (speech/music): 7 melodic, 4 percussive voices, ulaw/Linear PCM @ 4kHz to 11.025kHz

One thing that confuses me though, wasn't even the original Sound Blaster capable of 8-bit per channel audio?

The Digispeech Plus is not to be confused with Digispeech, the company that makes the product (the company was later known as DSP Solutions), nor the predecessor to this product which was known as the Digispeech (no Plus) and was model number DS201 or DS201A and used a serial connection.
Last edited by Paralel on 2018-9-06 @ 18:57, edited 2 times in total.
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Re: Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby Paralel » 2018-9-06 @ 18:50

Unfortunately, 3 of your links are for the Portable Sound Plus, which was made by the company Digispeech (later called DSP Solutions), not the Digispeech Plus (you can see from the image in my first post that they look nothing alike) which is a product of the company, and the other one is about the Digispeech DS201A and has blue text saying "Digispeech" on the top front and has a serial connection (compared to the Digispeech Plus which has the name written in red on the top front and uses a parallel connection), which is the predecessor to the Digispeech Plus that is model number DS311 or DS311A.

I appreciate the effort though.
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Re: Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby cyclone3d » 2018-9-06 @ 19:59

Ok.. I was thinking it was the same thing. I can't see the picture where I am at because it is blocked.

If you attach/inline the picture directly to the forum, everybody that can access the forum will be able to see it.

Edit: Here is a link to the patent, which mentions that it was made by Digispeech and distributed in the USA by DSP Solutions.
http://www.freepatentsonline.com/5766015.html
http://www.freepatentsonline.com/5766015.pdf
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Re: Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby Paralel » 2018-9-06 @ 20:55

Thank you. I'm mainly looking to find if anyone has actually seen and/or used one.
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Re: Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby cyclone3d » 2018-9-06 @ 22:37

YW, just trying to see if I can track down any information on it.

Found a site that lists the distributors who sold it:
Elek-Tek, En Point Technologies, Ingram Micro, M & A Technologies, Nexus Unlimited

https://docstore.mik.ua/press/skpress/RESELLRA/13/17.htm

Did you find that one pic on the internet archive of the DSP Solutions web page?
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Re: Has Anyone Ever Seen/Heard of a DigiSpeech Plus?

Postby Paralel » 2018-9-07 @ 04:17

Yep, that's where the pic came from. As far as I can tell, it's currently the only pic that exists.
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