So bass or sub-bass notes are in the low-frequency range, and mid-range notes and high notes are in the higher frequency ranges. The more cycles are completed, the higher the frequency is, and higher the pitch is. These vibrations are caused by the diaphragm of the speaker moving back and forth, and this translates to sound in our ears.įrequency is measured in Hertz, and indicates how many complete vibration cycles happen every second. When we talk about frequency in the audio world, we’re talking about the amount of complete cycles – or vibrations – of a sound wave in a certain time frame. Before you reach for the sliders on your digital equalizer, familiarize yourself with some basic terms. Playing around with EQ settings can be quite fun, but if you’re unsure what you’re doing you’re not going to get very far. So before you start fiddling with the EQ controls, consider whether your audio system is up to the job. However, if a playback system is faulty then EQ tweaks can actually further damage the sound quality. Most of the time, a few EQ tweaks on a high-quality playback system will transform decent sound quality into something truly brilliant. However, while there is no doubt that not all audio devices are created equal, none of them are actually perfect.Įven the most top-range playback systems need equalizers to conceal the flaws and quirks of their hardware. The audio you’re listening to is only as good as the audio device you’re using. Allows You To Conceal Playback System Flaws You can also decrease any inferior frequencies, or dampen higher frequencies that may be irritating to your ears. So when you’re listening to an audiobook, you can increase the frequency of the vocals so it takes center stage over the other frequencies. For example, you can modify sound frequencies in order to bring certain elements or vocals to the fore. High quality EQs give you even more control over treble tuning or basic bass. So while a sound engineer can optimize audio to fit the human-audible frequencies, with an equalizer you can increase or decrease frequencies depending on your preferences. What’s too loud for you, may be not loud enough for another listener. We’ve already talked about human-audible frequencies, still, how much you’re able to hear in that range depends on your environment, your age, and even how your ears are structured! We’re all different, and everyone hears sounds differently. You might be wondering why you even need equalizers, and why you need to adjust the EQ for your audio if it’s already been taken care of by professional audio engineers, but there are two reasons why equalizers are important for you to have: Allows You To Customize Your Audio Why Do We Need Equalizers?Īs you have probably gathered, equalizers are by no means a new thing! Some may remember the small sliders on their record players, however, EQ is pretty much all digital now, and is present in laptops and smartphones. These equalizers are built in and have more control sliders than traditional equalizers. These modern devices have many more knobs and sliders, and can be found on DJ mixers and studio recording equipment.īut people most often see them on laptops, music streaming services, and on their smartphones. While technology has advanced, you can still find these early equalizers in electronics today. These are normally labelled ‘bass,’ ‘mid-range,’ and ‘treble.’ headphones), environments, and personal preferences.Įarly equalizer types were predominantly hardware-based and had physical knobs that let you manipulate the audio and were dedicated to altering the frequency – think of the three-tone knobs you see in car stereos, or instrument amplifiers. This is between 20 Hz to 20,000 Hz, and different types of equalizers have various degrees of accuracy and sound control.Įqualizers also help to balance out frequencies and tailor them to different media (i.e. frequencies that humans are capable of hearing. It is an audio processor that lets you sculpt sound frequencies, increasing or decreasing the dominance of certain frequencies, and generally improving the overall audio quality.Įqualizers deal with human-audible frequencies, i.e. So, let’s define what exactly an equalizer is.
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