LOCATION NOISE INVESTIGATION

INTRODUCTION In response to complaints from Production Sound members regarding on gravel noise problems that inhibit the transcription of usable in force(p) and suffer undue stress on sound crews, AMPS called a run across of members to discuss the matter and offer solutions. Resulting from this meeting, a cross-section of members was asked to repartee to a survey seeking their opinions and experiences to a lower place the following categories: 1. tinder Equipment The main source for on circuit noise was identify as the Lighting Equipment, in crabby HMI chokes and heads, with the brand name calling Desisti and Arrisun mentioned more than once. The noise begetd by use of cooling fans in electronic ballast chokes makes the recording of usable sound more or less impossible. The wishing of clear instruction to the lighting crew when to defeat the ballasts from thundering falter free to silent synchronous travel rapidly mode is a problem. Flicker free is completely necessary to avoid any stroboscopic effects when the camera is running at a non-standard frame rate for unwind or fast motion. With a stable 50 Hz AC generator and crystal controlled camera motor, there is no flicker problem if at 24 FPS the camera shut is post to 172.8o, and at 25 FPS at the same mains absolute frequence the shutter is set to 180o.

Buzzing dimmer boards were also singled reveal as a source of noise. Not only does this equipment vitrine acoustic problems, but now we ar faced with abominable electromagnetic intercession from cables and heads, affecting microphone cables and even the microphones themselves. mavin Quad microphone cables can help but argon not a complete cure. There are reinvigorate EEC ! Regulations in place governing the emission of electro-magnetic randomness from any equipment manufactured since January 1996 so perhaps manufacturers could be persuaded to pillowcase into the problem with this in mind. Although modern generators are quite backbreaking blimped, they still need careful placing and the Sound Mixer should be consulted where possible. We need to do...If you want to get a full es reckon, say it on our website: OrderEssay.net

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