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The answer is always "More light". The higher the illumination of the sensor (within obvious limits), the less noise or grain. If you must deal only with ambient light -- you can't supplement or fill in -- then open the iris. However, in doing so you trade off depth of field, so it's a balancing act. Generally, avoid increasing preamp 'gain' to compensate ...


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Your most critical need is going to be a professional low noise analog to digital converter and pre-amp with a decent quality microphone to go with it. There are a few options you can pursue for this depending on your interests. Since you are currently working with a computer directly, you could go for any of a number of professional audio capture devices ...


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It sounds like you need a shotgun mic Also known as a zoom mic. These microphones are designed to help isolate the sound you want originating from the subject while rejecting unwanted ambient noise. The pickup angle is slightly adjustable. To have a narrower cone, you need a longer mic. (see video below) Also to reduce wind noise pickup, you usually cover ...


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Try seperating the audio and video streams of the WMV and AVI files - I don't have an app in mind but there should be some free ones avaliable. Put the video part in, which will remain in the original format (WMV or AVI) and should work. For the audio, use Soundbooth to convert it into a variety of formats like WAV, MP3, WMV, etc. until the import works ...


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The first thing is to make sure any gain is off. Gain on a video camera is like high ISO on a digital still camera. It increases the noise floor significantly and causes much more noise in even a good image. This should make the camera make other adjustments to try to preserve the exposure with a lower noise floor. If there is still too much noise, it ...



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