This Harman curve has a larger emphasis in the bass range and less emphasis in the treble range. As a target frequency response, we use the Harman in-room target response curve, which was designed to approximate the ideal listening experience. We organize the frequency spectrum into bass, mid, and treble ranges, and each of those into low, mid, and high, so we can talk about a speaker's sound profile in a specific range. We make the speaker play a sine wave tone at -6 dB FS between 20 Hz and 20 kHz and plot its output, in dB, on a graph. If possible, we test the speaker on battery power and otherwise, using its AC adapter. To measure a speaker's frequency response accuracy, we test it one meter and two meters away from a microphone array in a basic room with dimensions 18'x16'x9'. Some users prefer a neutral, balanced sound profile, while others may want a speaker that sounds bright and sparkling, with extra emphasis in the treble range. Some users prefer something that has more emphasis in the bass range, making it suitable for listening to bass-heavy genres like EDM and hip-hop. A speaker that can produce all frequencies at their desired volumes is said to have the most neutral sound profile. If a song was mixed to feel bass-heavy, a speaker with good frequency response accuracy will produce audio that is perceived as bass-heavy to the listener. It measures a speaker's ability to accurately reproduce audio content at a wide range of frequencies, from low-bass to high-treble. By understanding these factors, you can make an informed decision on which speaker is the most suitable for you.įrequency response accuracy is one of the most important tests for audio reproduction. We look at four factors in particular: slope, standard error, low-frequency extension, and high-frequency extension. This graph reveals many aspects of the sound profile. We plot a speaker's frequency response accuracy on a graph by measuring its output in decibels (dB) from 20Hz to 20kHz. If you enjoy bass-heavy music genres, you may want something with more emphasis in the bass range. Although many listeners look for a neutral, balanced sound profile across the bass, mid, and treble ranges, preference varies from person to person. By testing a speaker's frequency response accuracy, we can describe its sound profile in several ways, like bass-heavy, treble-heavy, warm, or even. Frequency is another word for pitch, and it's important that a speaker can produce the wide range of frequencies that you encounter in music, movies, podcasts, and other audio content. Frequency response accuracy tells you how much a speaker produces sound at each frequency. If you want a speaker that can accurately reproduce a variety of audio content, you'll want one with good frequency response accuracy.
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