Subject: Re: 60 Hz hum causing problems with speech recognition From: Tarun Pruthi <t.pruthi@xxxxxxxx> Date: Mon, 22 Jun 2009 11:06:04 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--00504502b19484d041046cf13680 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Thanks everyone for all your responses. This would be very helpful in finding the best possible option for my application. Tarun On Wed, Jun 17, 2009 at 2:13 PM, Malcolm Slaney <malcolm@xxxxxxxx> wrote: > Removing ground loops can be hard---especially when there are computers and > networks involved. > But I think an easier solution is to use an audio transformer to isolate > the systems. > > Here is what my favorite audio engineer recommends. I love my Jensen > transformer. > > - Malcolm > > > The ones I was using were from Jensen Transformers > (http://www.jensen-transformers.com). Lately I've been using ones from > Rapco/Horizon (LTI-100) as they're cheaper and have actual balanced XLR > outputs. > --00504502b19484d041046cf13680 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Thanks everyone for all your responses. This would be very helpful in findi= ng the best possible option for my application.<div><br></div><div>Tarun<br= ><br><div class=3D"gmail_quote">On Wed, Jun 17, 2009 at 2:13 PM, Malcolm Sl= aney <span dir=3D"ltr"><<a href=3D"mailto:malcolm@xxxxxxxx">malcolm@xxxxxxxx= .org</a>></span> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= x #ccc solid;padding-left:1ex;"><div style=3D"word-wrap:break-word">Removin= g ground loops can be hard---especially when there are computers and networ= ks involved.<div> <br></div><div>But I think an easier solution is to use an audio transforme= r to isolate the systems.</div><div><br></div><div>Here is what my favorite= audio engineer recommends. =A0I love my Jensen transformer. =A0</div><div> <br></div><div>- Malcolm</div><div><br></div><div><br></div><div>The ones I= was using were from Jensen Transformers<br>(<a href=3D"http://www.jensen-t= ransformers.com/" target=3D"_blank">http://www.jensen-transformers.com</a>)= . =A0Lately I've been using ones from<br> Rapco/Horizon (LTI-100) as they're cheaper and have actual balanced XLR= <br>outputs.<br></div></div></blockquote></div><br></div> --00504502b19484d041046cf13680--