QUICK TIP - How Do You Understand about Hi-Res Audio?
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Hi-res audio ( High-Resolution) is the highest sound quality and standard for audiophiles. With the development of current audio technology and the increasing demand for music for many people, especially for audiophiles in addition to equipment such as headphones, audio decoders, the quality of music is also A very important part.
Hi-res audio ( High-Resolution) is the highest sound quality and standard for audiophiles.
With the development of current audio technology and the increasing demand for music for many people, especially for audiophiles in addition to equipment such as headphones, audio decoders, the quality of music is also A very important part.
Because the higher the sound quality, the better and more detailed the sound.
So, in 2014, the Japan Electronics and Information Technology Industry Association introduced Hi-Res audio and was widely promoted by audio companies, but now the concept of Hi-Res is probably still popular. more than Lossless.
In this article I will discuss Hi-res audio.
1. What is Hi-res sound?
Before discussing the history of Hi-res audio and other things, we must first learn about what the definition of hi-res sound is?
Hi-res stands forHigh-resolution audio(High-definition audioorHD audio)commonly referred to as lossless music formats such as FLAC, WAV, ALAC, and AIFF. The theory will preserve the audio information as the original CD.
However, it is worth noting that even CDs with 16 bit / 44.1 kHz quality are not the highest but they have been downsample from the original recording with a much higher quality (about 32 bits / 384 kHz). ).
The “sample rate” parameter of a sound represents its quality and granularity with the number of samples taken per second (eg 44,100 hz means 44,100 times per second).
The number of bits represents the accuracy of the sound, the higher the bit, the more detailed the tone and vice versa. In other words, the parameter “sample rate” is the “acoustic accuracy” of the song when recording in the studio.
Therefore, a sound file with a higher sampling rate / bit depth of the CD , ie 16bit / 44.1kHz , is recognized as Hi-Res.
The more bits there are , the signal can be measured accuratelythan in the first case, so moving from 16 bits to 24 bits can bring a noticeable leap in quality.
High-resolution audio files typically use 96kHz or 192kHz sampling rates at 24-bit or 32-bit. You may also have 88.2kHz and 176.4kHz files.
In fact, high quality music is not new, it existed many years ago, but it was not until 2014 that it was named Hi-res and increasingly used by sound labels. There are two common concepts that Hi-res Music and Hi-res Audio.
And they have 2 completely different logos. So why is that?
The logo on the right is the logo created by JEITA (Japan Brand Association – headed by Sony) in 2013. And the logo on the left is from the Recording Industry Association of America ( RIAA ) along with several organizations.
Others such as CEA , DEG , and Recording Academy Producers & Engineers Wing launched in 2014 to set the standard for high-resolution music (aka hi-res music), this logo was recorded and played by record labels.