What is lossless sound quality
There is no comparison, no harm, if lossless sound quality and high sound quality are necessary, and what differences in hearing can Bit-Perfect bring without going through SRC
mp3
CD
KKBOX
flac
spotify
high resolution
dolby atmos
Apple
apple music
CAA
360 reality audio
SRC
spatial audio
Bit-Perfect
Although lossless sound quality and high-quality streaming services have been on the market for a while, as have true wireless earphones, Apple isn’t the first to make waves in the market, with Apple’s launch of so-called high-fidelity compressed sound quality. in Apple Music, in fact, after the lossless compression commonly known in Taiwan’s audio industry, lossless sound quality and high sound quality have instantly become a hot topic discussed by many people, but if the benefits of lossless sound quality are really obvious, the author will spend some space from the theoretical concept to the practical level. The differences are briefly described, but the following arguments focus on being easy to understand, so some of the descriptions are not entirely accurate.
What is lossless sound quality? What is the sound quality of the music we usually listen to?
The photo mentions * Introduction to KKBOX sound quality (including format), release year, sound quality, including digital, KKBox, streaming, Hi-Res Audio and Hi-Fi
▲ Both AAC and MP3 are destructive compression, while FLAC and ALAC are lossless compression
Before we go into the details, let’s talk about what is called lossless sound quality; From the author’s concept and cognition, the so-called lossless sound quality is a relative word rather than an absolute word. The main source is the relative word born due to the emergence of the MP3 music compression format. ; After the music industry entered the digital format, digital music files were generally recorded through PCM encoding, and WAVE files were generally used on CDs. The time and space situation of MP3 was Due to the fact that the capacity of the hard disk was generally not large at that time, in order to be limited in the limited space, a large amount of music data is stored in the storage space and you may need to compress the files. .
The reason why MP3 cannot be called a lossless format is because its essence is to compress the original WAVE file with a limited bit rate by combining concepts such as the psychology of sound. In bitrate compression mode, compared to the original WAVE file, the bitrate is at least 1:4 to 12:1. The higher the bitrate, the greater the amount of information retained. For example, AAC format also uses similar audio psychology for compression, but the efficiency is better than MP3. Therefore, the lossless sound quality of most streaming platforms today is mostly AAC as the mainstream.
Photo mentions KKBOX, FLAC format, 16bit/48kHz, related to KKBox, including kkbox Hi-Res, Hi-Res Audio, KKBox, Streaming Media, Hi-Fi
▲ Although the waveform of digital music in PCM format will appear jagged, but as the sampling rate increases, it will be closer to the analog arc curve
