My 1982

Li Zhongxin has always had such an idea, things! Don't be too advanced when you do, you must meet the development speed of today's society, and you can't directly carry out the sharp span.

The development of the world! They are all rules, absolutely can't eat a fat man, violating the development of the law.

And MP3 this kind of thing, study this time! It is not a kind of beyond technology, but a so-called advanced.

Otherwise, Li Zhongxin will not have been committed to the development of the entity economy, and there is no big energy in high-tech products.

Now this time! Li Zhongxin felt that these scientific research bases were more mature. I want to make a big stronger in the research base. They can't put them on the loyalty company. They also have some corresponding results. Through these results, let the loyalty company There must be some gains, and those experts scholars in the faithful research base have seen a broader future.

With a number of outstanding scientists, there is a good results, plus rich wages and division, then, in a certain extent, the faithful research base will have more research workers to join, let the loyalty research base There is a place in the future social development.

Among them, Li Zhongxin felt the most profitable thing, and the MP3 has such a small and exquisite thing. Now this thing has not realized that no one is realized, then, he should be at this time, let the faithful research base These things are studied, and the scientific research results are made out of the fastest speed.

After coming out of this scientific research, the faith company can do this production plant, allowing MP3 to occupy the market with the fastest speed, and become the first representative of the faith company in technology.

Is it best to have something like? That is, when people want to buy MP3, the first one is the brand of faith, then, if the ZX mobile phone of Communications in the future, people will trust this.

Li Zhongxin still remembers a little story about MP3, that is, the birth of the first MP3 in the world.

Actually! No matter what new, there are unexpected existence.

Li Zhongxin remembers that MP3 is the first study of South Korea. At that time, it should be a departmental manager of South Korea Samsung. This is the Korean spelling method of Korean. He is going back to Seoul in the United States. On his laptop, he saw a report to him.

This is a briefing of an image, text and MP3 music synthesis. When Moon reads and takes the headphones, it is found that the passengers next to him are listening to suddenly.

He thinks that if the MP3 music file on the computer can also take it directly, use a separate player to play, isn't it the best music?

After returning to South Korea, he refer this idea to the president of the time. It is a pity that Samsung is conducting tissue reorganization, innumerable, and the development proposal of Moon. After half a year, the Asian Financial Storm has caused a huge impact of Samsung, Mr. Moon is forced to retire early.

After leaving Samsung's bus, Mr. Moon entered the Samsung subsidiary Saehan Han Han as the president, and his idea was changed in Saehan. In 1998, the world's first MP3 player - MPMAN

F10.

That is, the earliest launch of MP3 should be in 1998, now this time period, if the party of the faith company is enough to work, the most is a year two years, it will make such a technical maturation .

Such a technical maturity can be achieved, then the future faithful research base is developed or studied faster.

And! In the heart of Li Zhongxin, the MP3 player is actually a functionally specific small computer.

In the MP3 player, there is a MP3 player memory - memory card, MP3 player display - LCD display, MP3 player central processor MCU-microcontroller or MP3 player decoded DSP- - Digital signal processor, etc., these things! According to a certain ratio or say, it is a miniature computer.

Only a micro computer, canceling some of the parts in the computer, and a series of simplification,

The microprocessor is the brain of the player, used to accept the playback control of the user, and display the currently played song information on the LCD screen, then send an instruction to the data signal processing chip to accurately process the audio signal.

The digital signal processor first decompressed the MP3 file first with the decompression algorithm, and then converts the digital information into waveform information with the number-mode converter, and then enlarged by the amplifier and sent to the audio port, and finally we can pass the headset on the audio port. I heard the beautiful music.

At the same time, we can use its own data cable (USB) to connect with your computer, to import your favorite audio file into MP3, not only listen to music, but also necessary English listening training.

These things! Li Zhongxin still has a certain study. When Li Zhongxin, Li Zhongxin was an MP3 enthusiastic friend. After MP3 appeared, he liked to live, but also a certain study of such a thing, then Li Zhongxin That is, this thing is really amazing, and magical to him does not understand, such a small thing, how to have such a powerful function.

Li Zhongxin is clear, MP3 this kind of thing, the most important thing is to store and decode chips, manufacturers usually will not disclose the information of the memory chip, of course, the chip quality of Samsung, Intel, Toshiba and other major plants is better.

The decoding chip does not only determine the speed of audio processing, but also determine the special sound function of MP3, including multiple sound.

Of course, the decoding chip is also one of the most important parts affecting the sound quality. O

PROCESSING

The algorithm of Unit and audio processing units plays a decisive role in the restoration of the waveform. Although the MP3 format is also damaged, but after using high sample rate, the sound quality of MP3 will increase significantly.

However, the MP3 audio file of the high sampling rate requires a decoding chip to support high data streams, while the decoding chip used by the cheap product is clearly not from the heart.

Loyalty now produces the chip of the product now, or some simple chips can be, it is also a supply and marketing business with many companies in China, but it is necessary to say that the chip inside MP3 is still a bit force. No.

Li Zhongxin's ideas in this thing is very simple, first engage in these things from Japan, and then let the loyalty research base is responsible for this person to study, see if the loyalty research base and loyalty round film can not make out s things.

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