Jack Landau recently explored option for microphones that can be used for recording voice narrations in presentations and screencast videos like in Adobe Captivate, Camtasia Studio, etc. He suggests using USB microphones from Samson or BlueMic over the regular "mic input" ones because of the overall poor sound quality that is mainly due to the sound card attached to the PC.
Jack also advices using a condenser mic like Behringer C-3 as they offer better audio quality over a dynamic microphone like the Shure SM57. In any case, for narration you’ll want a cardioid mic. It’s so named because its directionality pattern is heart-shaped and emphasizes sound arriving from directly in front of it, rejecting echoes and other room noises from the sides. Link.
You will also need a mixer to mix and amplify signals from several mics or other audio sources. For connecting to a PC it’s convenient to use a unit that provides the USB connection. M-Audio’s MobilePre USB mixer and preamp for around $130 seemed like a reasonable choice. It derives all its power from the PC’s USB connection, using a PC USB cable that is included.
Find this article at: http://www.labnol.org/gadgets/microphone-for-recording-audio-presentations-screencasts/4203/
web: http://www.labnol.org/ email: amit@labnol.org
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