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If you have interest in listening to digital music - whether it's playing CDs or streaming from different music apps on your smartphone - you will probably have heard of the term "high-resolution audio" (or "hi-res audio"). In the last few years, hi-res audio has slowly but surely hit the mainstream, thanks to the release of more products, streaming services, and even smartphones that support the hi-res standards. But why should you care about it? Well, if you want the best music experience possible, or at least better sound quality than you're currently used to, then I think that hi-res audio is worth investigating. So, Let's dive deeper to know this technology better!
What Is Hi-Res Audio?
Unlike high-definition video, there’s no single universal standard for hi-res audio. The Digital Entertainment Group, Consumer Electronics Association, and The Recording Academy, together with record labels, have formally defined high-resolution audio as: “Lossless audio that is capable of reproducing the full range of sound from recordings that have been mastered from better than CD quality music sources.”
In simple words, hi-res audio tends to refer to music files that have a higher sampling frequency and/or bit depth than CD - which is specified at 16-bit/44.1kHz.
History Of Sound Quality:
How Do You Measure Music Quality?
Digital music sound quality is commonly expressed by using two values: bit depth and sampling rate.
Sampling Rate: Sampling rate is the number of times a sample (a sonic picture, if you will) is taken of an audio signal per second. The more times you sample an audio signal, the more detail you end up with. Sampling an audio signal is like shooting a video of a fast-moving object. The higher the frame rate (sampling rate) the more depth and detail you can capture and the smoother the end product is going to be.
Bit depth: Bit depth refers to the number of bits of information taken in each sample. The biggest effect it has on sound is on the potential dynamic range – that’s the difference between how soft and how loud music can potentially sound.
Combined, a higher sampling rate with a higher bit-depth should result in more detail, subtlety, and nuance in music and an expanded frequency range (deeper bass, higher treble). In theory, all this translates into music that sounds more realistic, deep, and rich.
Different Kinds Of Music Files:
What Do You Need To Play It?
The Future Of Hi-Res Audio:
So, friends, that was it about the Hi-Res Audio. Drop your comments below for the feedback or for any queries you have about the topic and I'll try my best to answer those. Stay tuned with the Tech Section of Mi community for more tech updates. See you soon with one more interesting tech topic. Till then, take care.
Sources: 1, 2, Google Images
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