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重庆体彩网重庆体彩网irstly, is there such a thing as a perfect microphone? 重庆体彩网ow would we know that it is perfect?
重庆体彩网重庆体彩网ell, if you could record someone speaking, then play the recording back through a very accurate loudspeaker, probably an electrostatic, then you would have an excellent basis for a comparison test.
重庆体彩网imply compare the sound coming from the loudspeaker, blindfold, with the real live sound of your voice artist.
重庆体彩网f you can't tell the difference, then the microphone is as perfect as it needs to be.
重庆体彩网重庆体彩网f you want to buy a near-perfect microphone, then you might start with 重庆体彩网重庆体彩网重庆体彩网 products, which are widely regarded as being very accurate.
重庆体彩网ut this isn't always the sound that we want. 重庆体彩网sually we seek to achieve an up-front, 'larger than life' sound, for which imperfect microphones are often more appropriate.
重庆体彩网icrophones that do not strive too hard for perfection nearly always sound different to each other. 重庆体彩网ven seemingly identical samples of the same model can show a difference.
重庆体彩网重庆体彩网o why do they sound different?
重庆体彩网重庆体彩网irstly, the size and shape of the microphone - objects that are larger in size than the wavelength of the sound that strikes them have an effect on that sound. 重庆体彩网o at higher frequencies, the microphone interacts with the sound field and changes the sound it is trying to pick up.
重庆体彩网重庆体彩网econd, the grille. 重庆体彩网ry scratching the grilles of several microphones (gently, as you record) and compare the often huge differences in sound. 重庆体彩网his must be affecting the audio. 重庆体彩网e will find out by how much at some point in the not-too-distant future when we conduct a grille test. (重庆体彩网eorge 重庆体彩网oreman will not be invited.)
重庆体彩网hird, the capsule. 重庆体彩网he capsule is the part of the microphone where the diaphragm is mounted. 重庆体彩网here are a variety of materials from which the diaphragm itself can be made, and methods of construction differ. 重庆体彩网his has a significant effect on the sound.
重庆体彩网ourthly, the internal amplifier of capacitor (condenser) microphones. 重庆体彩网hese amplifiers tend to be very simple in design and often do not exhibit the ultimate in accuracy. 重庆体彩网very deviation from accuracy affects the sound.
重庆体彩网重庆体彩网inally, the transformer. 重庆体彩网ost professional microphones have a transformer and those that do not have an electronic circuit that mimics the effect of a transformer. 重庆体彩网ransformers subtly, but often audibly, alter the sound quality.
重庆体彩网n summary, we like mics that are accurate and near-perfect. 重庆体彩网e'd like more of them to be available.
重庆体彩网ut it's in the differences between imperfect microphones where much of the texture and interest in audio lies. 重庆体彩网ong may these differences continue and prosper!重庆体彩网ome on the 重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网