Camcorder Motor Noise Tests


				*Camcorder Motor Noise Tests*



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		The following are some motor noise samples that I performed using digital camcorders that I either own or had in my posession at one time or another. The camcorders are as follows... Sony TRV-120 (Digital 8) JVC GR-D72U (MiniDV) Canon Elura 100 (MiniDV) -- 1st one Canon Elura 100 (MiniDV) -- 2nd one Canon Elura 100 (MiniDV) -- 3rd one Specifics about how the samples were generated are as follows... Camcorders were tested early in the morning when there were no outside noises. The Sony, JVC, and 1st Elura 100 were tested on the same morning. The 2nd and 3rd Elura 100s were tested on different mornings. Each camcorder was tested with their battery attached but using their power supply plugged into the same wall outlet. The camcorders were placed in the approximately the same location on a table in a room during the tests. For each camcorder, I started the tape, left the room, waited approximately the same amount of time (2 mins.), and came back into the room and turned off the tape. The camcorders were set to capture video at SP and audio at 16-bit...all were set to Auto mode. The sample footage from each camcorder was captured via IEEE 1394 FireWire using Pinnacle Studio 9 Plus product. There were no dropped frames on any of the captured .AVI files. MAGIX Audio Cleaning Lab 2005 was used to import the audio from each of the captured .AVI files, edit them to shorten, and output them to an uncompressed .WAV file. Each of the sound samples provided are the 19-20 seconds captured after the 10 second mark. This is because the first 10 seconds of each captured .AVI file entailed me leaving the room.



		Samples are as follows...Right click and select "Save Target As..." to download...Each are around 3.7 MB... sony_trv120.wav jvc_grd72u.wav canon_elura100_1st.wav canon_elura100_2nd.wav canon_elura100_3rd.wav