So we have all these funky names for noise, even though you need to understand their characteristics, but what are they used for? Violet noise is the inverse of brown noise, with a rising response of 6dB per octave (amplitude is proportional to f squared). This produces a 6dB-per-octave attenuation.īlue noise is essentially the inverse of pink noise, with its amplitude increasing by 3dB per octave (the amplitude is proportional to f). If it decreases with a curve of about -12 dB per octave we call it brown noise.īrown noise, whose name is actually derived from Brownian motion, is similar to pink noise except that the frequency function is 1/(f squared). These attributes lend themselves perfectly for use in acoustic measurements.
The amplitude follows the function 1/f, which corresponds to the level falling by 3dB per octave. Pink noise contains equal energy per octave (or per 1/3 octave). If the amplitude of the sine waves decreases with a curve of about -6 dB per octave when their frequencies rise, the noise sounds much warmer. And this means that when we listen to white noise, it appears to us to increase in level by 3dB per octave. In other words, we judge pitch increases by octaves, not by equal increments of frequency each successive octave spans twice as many Hertz as the previous one down the scale. White noise is a signal with the property of having constant energy per Hz bandwidth (an amplitude-frequency distribution of 1) and so has a flat frequency response and because of these properties, white noise is well suited to test audio equipment. The human hearing system’s frequency response is not linear but logarithmic. This type of noise is called white noise. If the sine waves’ amplitude is uniform, which means every frequency has the same volume, the noise sounds very bright. These will give the noise its specific character or timbre. However, randomness will always have specific statistical properties. In essence, noise is a randomly changing, chaotic signal, containing an endless number of sine waves of all possible frequencies with different amplitudes.
SYNCHRONIZED TONEGENERATOR GENERATOR
Layering Kicks using a Tone Generator and Noise Gate also covers all the various colours of noise. This ensures that you do not get frequency clashing and masking between the kick drum sound and the noise or sine wave being used. The frequency range of the kick sound is isolated using the noise gate’s side-chain filtering so only a specific range of the kick drum’s frequencies trigger the noise gate. The tone generator is used to output the noise/sine wave and this is shaped with the noise gate’s parameters. The tones that are selected for layering with the kick drum are sine waves and brown noise. This ensures both the kick drum and the tone are played in sync. The noise gate is triggered via its side-chain by the kick drum sound that is being layered. This tone is then used as a layer with a kick drum sound. The process involves using a noise gate to shape a tone that is generated by a tone module. However, once you have watched the video and started to use this technique in your productions you will be amazed at how simple yet powerful it is. The technique I am going to share with you here is a little advanced in that you would have to wear both the sound designer and producer hats. In essence, producers are becoming sound designers and they are doing this simply because they want to create their own custom sounds to be used in their productions. In modern music the role of the sound designer has blurred into the role of the producer and vice versa. Tony Visconti productions sound very different to Trevor Horn productions. It is this that distinguishes one producer from another. Producers love to have their own signature colour when producing. From tracking to mastering home studio owners are having to wear many hats and one area that is garnering interest is that of sound design. These producers are having to multitask as they are expected to fill every role that a commercial studio would have provided.
SYNCHRONIZED TONEGENERATOR HOW TO
Layering Kicks using a Tone Generator and Noise Gate is an advanced video tutorial that explains how to layer kick drums using a noise gate and a tone generator.Īs technology moves forward we are seeing more and more home studio based producers releasing commercial content into the marketplace.
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