mic for laptop and RCT

Dean May deanmay@pianorebuilders.com
Sat, 10 Dec 2005 17:54:55 -0500


You might also pull up the screen that allows you to adjust record
volume levels. Your mic input level may be turned way down. When I've
used external mics in the past I've had real good results with
inexpensive computer mics


Dean
Dean May             cell 812.239.3359
PianoRebuilders.com   812.235.5272
Terre Haute IN  47802


-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Robert Scott
Sent: Saturday, December 10, 2005 2:43 PM
To: pianotech@ptg.org
Subject: Re: mic for laptop and RCT

Gary,

If you have already tried "two cheap ones" from Radio Shack without good
results, the problem may be with your laptop rather than the
microphones.  To find out if your laptop sound system is in good shape,
record something using the Microsoft Sound Recorder utility that comes
with Windows (or with any other record/playback software). Record some
voice and some music.  Then play back those recordings through some
fairly good speakers or headphones.  Listen to the sound quality.
Listen for excessive hum or distortion or extra sounds that were not
there during the recording.  If the recording sounds good, then you can
be fairly certain that it will work fine for tuning as well.

Sometimes a soundcard can fail in such a way that it still sort-of
works, but it adds noise, perhaps even at a specific frequency, which
will mess up certain measurements.  Also, extreme distortion will
produce true harmonics.  If these distortion harmonics are stronger than
the partials from the piano, then the inharmonicity measurment will
think those harmonics are the partials, and you may get poor
measurements.

Robert Scott
Real-Time Specialties
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