About black film burning optical disc

The recording method of CD is binary number 0 1, which determines that the recorded content is essentially different from the master tape of analog recording. Compared with the master tape, the information loss of any recording is inevitable. Just like a model and her portrait, no matter how real the painting is, it is only true, not the same thing.

Vinyl is basically in the form of analog recording, which is consistent with the content recorded by the analog recording master, and the difference lies in the transmission loss between the master and the equipment during transcription. Just like a person posing in the same posture at different times, it is a true representation.

The replacement of vinyl by CD lies in the law of buying and selling in commercial society. The cost of making a CD is estimated to be a few cents of plastic, and the volume of transportation is very small, just a few tens of dollars, even if you sing, you won't jump. The profits are amazing, and consumers' acceptance and tolerance are obvious. The cost of mass production of vinyl polished copper mold has been several yuan a plate, not counting the cost of polyethylene raw materials. The transportation is heavy, occupying space, and it is easy to lose the jumper if it is not well preserved. If you sell it for tens of dollars, I'm afraid the profit is not big and consumers' desire to buy is not high. In contrast, vinyl will inevitably be replaced by CDs in the mainstream market.

In terms of sound quality, CD has low noise and high signal-to-noise ratio, that is, the so-called "sonic boom" of vinyl is extinct on CD.

In other respects, I don't want to compare. There is only one reason: CD is not the original sound, so the recording can be processed with sound quality, enlarged, reduced or even modified at will; Vinyl is the original sound. After splicing and signal-to-noise ratio adjustment, even the early stereo home page and some master tapes were recorded directly, only splicing without other modifications, and the recording effect was recorded truthfully.

If someone wants to compare the so-called CD and vinyl of the same recording, then perhaps it should be an example: this is a contest between cosmetic beauty and original women, which one do you like? Release it whatever you want.

Comparison between vinyl and CD storage

In the production of CD, plastic is plated with aluminum or other metals. Usually in 20 years or even less, the metal film begins to oxidize under the action of light until it is completely perforated and scrapped.

When the vinyl is stored, as long as it is not heated and pressurized, it is placed upright and does not play, and there is basically no loss. Not afraid of light and water, take out a vinyl record at will, and you may be older than me and you.