(6 of 7) TA-1000 Talking Calculator - Crazy Casio Calculators

In this episode, Casio Chaos Theory takes a look at the 1983 TA-1000 Talking Calculator, an unusual and unique Casio calculator from their 80s line-up. We will give an overview of its many features, and of course demonstrate all its talking and voice capabilities!
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CHAPTERS:
0:00 - Opening Titles
0:10 - Introduction & background to talking "calculators"
0:32 - The World's first Talking "calculator"?
1:07 - The TA-1000 & its possible release date
1:58 - Buying my TA-1000
3:06 - TA-1000 Form Factor and Design
3:49 - Comparison with other similar era Casio Calculators
4:30 - Overview of the Main Features & hearing it talk!
6:09 - The Talking Calculator feature
7:10 - The 6 Talking alarms
7:38 - Demonstrating the 6 Talking alarms
8:22 - The 2 x Hourly Time signals
8:45 - Episode close
9:20 - Coming up in Part 7
LINKS:
Casio Calculator Collectors Website (with catalogue archive)
www.casio-calculator.com/
Calculator Museum (lots of facts and history)
www.calcuseum.com/
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[@cyberyogicowindler2448]

The first talking calculator was the "TSI Speech+" intended for the blind, which was a much bigger device. (I own one. To make it work without soldered batteries (risk of leaking), desolder them and install an electrolytic capacitor to prevent distorted speech.) Early talking calculators were also made by Sharp (with spoken numbers) and by Panasonic.
The Casio TA-1000 is based on an unknown version of the same D1864G CPU like Casio melody calculators with clock (crystal clocked likely at 32.768 kHz). The "ding dong" alarm still uses their squarewave melody voice. The omitted clock features were possibly done by lack of rom space, because unlike these, it communicates with an additional big speech IC "HD61912 C02" (60 pin) through a simple 3 wire protocol. The speech chip seems unique and has plenty of unused pins those trigger fragments of words if messed with. Interesting is that the pocket computer Casio PB-100 (aka Radio Shack PC-4) of 1982 contains a CPU "HD61913" (80 pin SMD, seen in PC-4 service manual) with 2x SRAM HD61914, which may help to estimate age and hardware platform it was designed for. The stored sounds are heavily data-reduced; this synth engine makes bizarre distorted loud glitch noises during crash (e.g. modem-like or semi-metallic). I am not sure what it is exactly, but the Hitachi patent US4435832 (Japanese priority date 1979) about speech synthesis with time stretch and compression function (i.e. dynamically changeable playback speed) may be related to it, which describes a PARCOR based LPC algorithm.

[@michaelturner4457]

Sounds like same voice as the Radio Shack Voxclock

[@twistedwhiskers8776]

Can you check out the Casio SA 80/81

[@michaelturner4457]

I used to have one of these, and was always playing with it. Until it was confiscated one day, as apparently it was annoying.

[@pianokeyjoe]

A female synthetic voice at that! Now thats nice!And the voice was overall understandable too!

[@kumuppins95]

Yes, I still have my T1000 but lost the manual...how do you reset the date????????

[@CasioChaosTheory]

Move to master switch to "SET" (or any position except "Time"). Press the AC button, then type in the full date in the following format - YYYYMMDD - then use a pin/ toothpick to press the ADJ/ SET button. For example, today's date is 1st October 2023, so to set the T1000 to that date carry out the following (with master switch not at the TIME position): (Press) AC (Enter) 20231001 (Press) adj/set. That should set the date for you. Hope that helps!

[@GaitaPonto]

oh the times when people had no internet...