The higher the kbps of the music file, the better the sound quality?


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The higher the kbps of the music file, the better the sound quality?

Audio Lossy vs Lossless
Audio Lossy vs Lossless

Because I use my mobile phone to listen to songs, the memory is small, so I try to download songs with small files, but small files in kbps are also small. Generally speaking, the bit rate of MP3.WMA is normal and high.

Audio Lossy vs Lossless
Audio Lossy vs Lossless

The higher the kbps, the better the sound quality (under the same encoding format, different formats cannot be compared).

The higher the kbps, the higher the sample rate per unit time, the higher the precision, and the closer the processed file is to the original file, but file size is proportional to sample rate, so almost all encoding formats focus on how to use The lowest bitrate achieves the least distortion In terms of audio, the higher the bitrate, the lower the compressed ratio, the less loss of sound quality, and the closer will depend on the sound quality of the audio source.

 

extended information
There are many types of sample rates for compressed music. You can save space with a sample rate of 64 Kbps or less, or you can use a standard of 320 Kbps for extremely high sound quality.

As a benchmark for the efficiency of digital music compression, bitrate typically uses kbps as the unit. The bit rate of digital music on CD is 1411.2 kbps (that is, to burn 1 second of CD music, 1411.2 × 1000 data bits are required), the high BIT RATE of the digital music file music means that it should be processed in a unit of time (1 second) The amount of data (BIT) is large, which means that the sound quality of the music file is good.

When the BITRATE is high, the file size increases, which will occupy a large amount of memory capacity. The most commonly used bitrate for music files is 128kbps, MP3 files generally can use 8-320kbps, and 320Kbps is the highest level temporarily.


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What is the difference between lossless sound quality and normal sound quality?

What is the difference between lossless sound quality and normal sound quality?

Audio lossless vs loosy
Audio lossless vs loosy

 

When downloading music, we often see these options: lossless sound quality and normal sound quality.

Audio lossless vs loosy
Audio lossless vs loosy

Lossless sound quality requires members to download, otherwise only normal sound quality can be downloaded. Since it is a fee, the lossless sound quality must be higher than the normal sound quality, so what are the differences between them?

 

Commonly seen MP3, WMA, OGG are called lossy compression. As the name suggests, lossy compression is to reduce the audio sample rate and bit rate, and the output audio file will be smaller than the original file, which is normal sound quality. we often see.

 

Common MP3, WMA and other formats occupy about 1M-5M of space for single-handed songs, while for music in lossless formats such as ape and flac, the space occupied by a single song can generally reach tens of megabytes, or even more than 100M.

Bit rate (Kbps) refers to the transmission rate of digital signals, that is, how many thousands of bits of information are transmitted per second (K means thousands of bits, Kb means how many thousands of bits). For music, theoretically this The higher the value, the better the sound quality. Ordinary music, such as WMA, is generally 128kbps music, MP3 is mostly 128 or 192 or 320kbps/, while the bit rate of lossless music generally reaches 800-900kbps, and traditional CD even reaches 1411 Kbps. Using lossless compression, the sound quality is the most perfect.

 

The feature of lossless music is that no matter there is sound between the beats, its data always flows smoothly, so the fast magnetic vibration in your earphones is stable and the sound is natural and real; while lossy formats such as MP3 are due to the loss of people The ear can not hear part of the data, so the magnetic block in the earphone vibrates unnaturally, causing it to vibrate when there is sound, and do not vibrate when there is no sound, so the magnet block vibrates excessively and unstable, which will produce burr noise. If professional equipment is used, it is easy to hear right and wrong.

Of course, whether you can hear the difference depends on the person, and there are differences in everyone’s speech recognition ability. Some professionals and people with sensitive hearing will find the difference, but for most common listeners, in fact, there is no difference between normal MP3 and FLAC lossless sound quality, and the effect is similar.