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Buy Primacoustic VoxGuard Nearfield Absorber online in India at the best price with free shipping from BAJAAO - India's music equipment superstore.
The Primacoustic VoxGuard is a high performance ambient noise absorber designed to surround the microphone and reduce unwanted sounds from contaminating the recording. This nearfield absorber works by creating an acoustic boundary around the microphone that at once contains the voice while eliminating room reflections.
Unlike other similar offerings that employ complex steel parts that are both heavy and cumbersome, the VoxGuard is light weight and extremely easy to use. It starts with a high-impact ABS outer surround shell that snugs onto the mic stand using an included adapter to hold it in place. The light weight design makes positioning the VoxGuard easy without the usual fear of the stand falling over which could ultimately damage the microphone.
This makes the VoxGuard effective when used with round base stands, tripods and even with large studio booms. Once mounted, an innovative rear access cable port allows the microphone to be articulated and directed at a specific source, thus enabling the VoxGuard to also be used as an acoustic screen.
The acoustic magic is performed by a high-density open cell acoustic foam liner. This effectively absorbs the voice range while keeping room ambiance out to produce a dry rendering. This is particularly important when attempting to record in rooms with less than ideal acoustics or in noisy spaces. Since the VoxGuard is 50% larger than comparable products, noise flanking is significantly reduced and performance vastly improved.
The VoxGuard is ideal for recording studio vocals, voice-over tracks for film and TV post production, pod casting and field reporting.
The Science Behind The VoxGuard
The VoxGuard is a simple device that employs well known acoustic principles to minimize room ambiance from entering the microphone. This allows a greater percentage of the source to be captured without the echo, reverb and resonance from the room. Once the 'dry recording' is on tape, artificial ambiance in the form of digital reverb, echo and EQ is then added.
The science behind the VoxGuard is simple. It combines absorption by way of high density open-cell foam with an acoustic shield to prevent ambient sound from entering the mic. This page explains the science behind the design.
Put up a microphone in a room and hit 'record'. The sound of the voice will compete with the sound echoing off the walls. These are known as primary reflections, flutter echo and standing waves. These will invariably arrive at the microphone after the original sound and depending on how loud they are, will cause varying degrees of phase cancellation known as comb-filtering.
Although in some cases one may want to record using the natural room's effect, today it is common practice to record a dry vocal track and only add artificial ambiance during the mixing phase. Most engineers prefer to work this way, as committing to room ambiance early-on usually conflicts with the instruments and limits options.
The VoxGuard Design
With acoustics, one can either absorb sound or reflect it. The VoxGuard performs both functions at the same time. First, when singing into the microphone, sound is captured by the mic while a good percentage of sound breezes by. In space, this 'extra' sound would go forever without echo as there are no boundaries. In an anechoic test chamber, sound is completely absorbed as there are no hard reflective surfaces. In this case, the VoxGuard's high density open-cell acoustic panel absorbs much of the energy in the critical voice range.
How To Use The VoxGuard
The VoxGuard is a simple device designed to control the ambiance around a microphone. When recording voice over tracks in the studio, it is often preferred that the tracks be completely void of any room ambiance or noise. This allows the engineer to add in digital reverb, echo to suit the mix. The VoxGuard is supplied with hardware adapters and an extension bar to accommodate many types and sizes of microphones.
The large curved baffle creates an acoustic boundary around the microphone that reduces room reflections from entering the mic. The high-density absorbing layer on the inside neutralizes reflections within the baffle. Slots cut through the ABS plastic shell eliminate resonance and open up the sound without sacrificing the isolation. The combination allows your mic to capture more of the direct sound and less room reflections.
Unlike other mic guards that employ heavy and cumbersome steel parts, the VoxGuard is lightweight and extremely easy to use. Its high-impact ABS outer shell fits snugly on a mic stand and secured using the microphone's clip, a shockmount or the included threaded stand adapter. The lightweight VoxGuard is easy to set in place without the usual fear of the stand falling over and damaging your microphone.