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Gain staging logic pro x12/22/2023 When you move the gain control, the gain change isn't linear, it is not consistent around the whole dial. Quiet signals such as vocals or and acoustic guitar will require more amplification, particularly if used with a dynamic microphone or if the microphone is further from the source. This is particularly true if a sensitive condenser microphone is utilised. The distance between the mic and the sound-source.įor example, signals with a high sound pressure level (SPL) like those from acoustic drums and guitar amplifiers aren't likely to require much amplification it's normal to set the gain on the lower range.The type of microphone (some microphones are less sensitive than others).The input source (A loud drum vs a quiet acoustic guitar).The gain required to obtain an acceptable signal level will depend on several factors including: Many of our microphone preamps (for example the Scarlett and Clarett ranges) apply between +10dB and +60dB of gain to the input signal. I have to set the gain high to get a good input level In practice, in digital recording (particularly at 24-bit) trying to record as ‘hot’ as possible is not particularly necessary and it can make your track more difficult to balance later on.ĭigital clipping is undesirable and if multiple tracks are recorded close to the maximum digital level (0dBFS) then the sum of these tracks exceeds this, causing unwanted distortion. A Scarlett 2i2 2 nd Generation interface has a dynamic range of 106dB (A-weighted), with an Equivalent Input Noise measurement of -128dB (A-weighted).Good quality tape machines tend to have a signal to noise ratio between 60-70dB.This is done to try to offset the fact that tape has a fairly low signal-to-noise ratio, so quiet recordings can lose some detail as the track gets buried in ‘tape hiss’. Historically, with analogue recording, it was often necessary to set input levels as high as possible so the signal is just below (or sometimes exceeding, for effect) the maximum level that the recording medium (e.g.
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