I bought the off the shelf ground loop isolator from Radio Shack and it works just fine for killing that anoying pop. Keith On 05:38 AM, Janina Sajka wrote: > Thanks for the specific pointer. I'll report if and when I get one of > these built and would very much like to hear from anyone else that tries > this. > > I think this is worth pursuing because the quality of the speech > Doubletalk produces is really much better than the chincy little speaker > they give you can manage. > > .dan. writes: > > > > The "pop" when using external audio devices might be the dc voltage found > > in the output of the audio amp in the doubletalk described in this: > > > > http://downloads.rcsys.com/xfmrcpl.txt > > > > The above also describes an adapter made using radio shack parts to solve > > the problem, which is in part a grounding situation difference when using > > the audio out on the doubletalk. > > > > xv > > ic|xc > > > > _______________________________________________ > > Speakup mailing list > > Speakup at braille.uwo.ca > > http://speech.braille.uwo.ca/mailman/listinfo/speakup > > -- > > Janina Sajka, Chair > Accessibility Workgroup > Free Standards Group (FSG) > > janina at freestandards.org Phone: +1 202.494.7040 > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup -- Keith Watson kwatson at smed.yi.org Among the major impediments to discovery are not the ignorant but those with illusions of knowledge. - B. Alan Wallace
