Paul Coccoli wrote: > On 11/2/07, david <gnome@xxxxxxxxxxxxx> wrote: >> Paul Davis wrote: >>> On Thu, 2007-11-01 at 08:27 -0700, william estrada wrote: >>>> Hi group, >>>> >>>> I wish to thanks all of you for the responses about 'better mics'. >>>> I think I need to clarify what I am looking for. >>>> >>>> I'm writing a suite of programs to be used for a 'Voice Messaging >>>> System'. The system will be used during field events where communication >>>> from PC to PC will take place. There by the need for inexpensive hardware. >>>> We are dealing with cheap HAMs here after all! So supplying everyone with >>>> a mic is going to be costly to begin with. A preamp, which is the best >>>> solution, will be too costly. So I need to build a software fix. >> I think what you need is to use cheap computer mics, not music-quality >> ones, that should only need to plug in to an 1/8th-inch audio in >> connection on a sound card. I don't think those kinds of mics require a >> preamp of any kind. >> > > Yes, they do. The preamp is built-in to any soundcard with a "mic" > input. A sound card mic input will be high impedance (a.k.a. Hi-Z) > and have an amplifier (called a preamp in this case) on it in order to > bring the signal up to line level (before it hits the ADC). I should've thought of that. What about those computers that have mics built in to them? > But I agree that is what the OP wants, assuming the computers in > question will have mic inputs (I think most motherboards have them > integrated these days). The assorted desktop PCs around here all have mic inputs. So does my Toshiba laptop. With the popularity of Internet telephony like Skype and Vonage, I suspect it's probably almost mandatory in laptops now. -- David gnome@xxxxxxxxxxxxx authenticity, honesty, community _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
