Re: A89: Re: 89sound

To: <assembly-89@lists.ticalc.org>
Subject: Re: A89: Re: 89sound
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Thu, 3 Dec 1998 22:07:19 -0500
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-89@lists.ticalc.org


obviously you can't put a 3.5mm plug into a 2.5mm port without a converter
... most people are under the misconception that you need a sound card to
get sound, which is what it seemed like he was also thinking



>
>Uhh, no, you don't just plug headphones into the jack. There are three main
>ways of hearing the sound (in order of what I think is best to worst):
>1) Build speakers - they're easy to make and cheap. For information, go to
>http://calc.ml.org/ and look in the hardware section.
>2) use a 2.5mm > 3.5mm converter so that you can plug headphones into the
>TI linkport.
>3) Use an AM radio, and place it near the TI-89
>
>Good luck..
>Adam
>
>At 09:35 PM 12/3/98 -0500, you wrote:
>>
>>>A lot has been said about the sound library recently so I assume that you
>>can
>>>get sound on the 89.  So, how do you get sound?  I'm sure you just can't
>>plug
>>>headphones into the jack...did someone design a speaker or
>>>something?...THANKS.
>>
>>you just plug headphones into the jack
>>
>>by switching on and off the linkport evenly you can create a frequency;
the
>>pitch is adjusted by the delay between on and off -- the larger the delay,
>>the lower the frequency
>>
>>
>
>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>                Adam Berlinsky-Schine
>                  adam@findcure.com
>                    ICQ: 9397536
>          Dimension-TI: http://calc.ml.org/
>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=