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Chapter 289 Before the Operation......

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It's not just the appearance, it's the internal structure.

Apart from

Especially shockproof.

Because of the backpack design, it can be better than the "futuristic" CD Walkman in terms of shock resistance.

And Catherine is still going to use a closed disc design this time, which will also help the stability of the optical drive. In a sense, it is perfectly possible to use the maximum memory that can now be reached 4MB for "backpackers" for shock absorption, but the problem is the cost.

If the cost is too high, you can only be a "cheat father" in the end.

Even if it's for the high-end, if the price is too high, it's not feasible, right?

So, is there any other way?

In fact, the ultra-thin optical drives of the future are all shockproof designs, such as the optical drives of notebooks or something. All you need to do is rely on the checksum. If you read it wrong, you can calculate it correctly through guò, and if you can't read it, you can reread it.

Do you need to learn from this aspect?

"The shock absorption system is a difficult ......"

Olsen felt the same way.

"If it's in the form of a backpack, it should be better...... Because of the large volume, our shock absorber equipment can be designed better. ”

"But the shock absorber doesn't guarantee that our 'backpackers' will always be audible...... Optical drives are not the same as tape drives. The best way for us now is to use the cache, and we are now able to reach 4MB of maximum memory, but if the requirements are not high, it will be about 512KB. Olsen thought for a moment: "Probably...... Ten seconds or so? ”

Olsen was thinking, and so was Catherine. Not only the music player of the CD, but also the hard disk, MP3 is no exception, which needs to be cached. In the case of mp3, it takes about 5 seconds to preload.

"Let's go big, our disc has a checksum, as long as you reserve 5 seconds, as long as there are no big errors, there is no problem. We want to make sure the sound quality. ”

Although she doesn't remember exactly, Catherine remembers that her former music enthusiast once taught her about it.

For the sake of shockproof, many CD players in the future have a pre-read function, which is to pre-read the music information to be played into the cache of the CD player in advance. Although theoretically speaking, the larger the cache, the better, but due to the expensive cost of the cache, usually the capacity of the cache is not large, and the model with a long cache time actually uses a highly compressed way to store information, and some details of the music will naturally be lost in the process; However, some manufacturers use a low compression ratio for storage, and the loss of music details is small. From the perspective of practical use, the pre-read time of more than 5 seconds can basically meet the requirements. It is important to look at the pre-read time from the point of view of sound quality, because the purpose of pre-reading is to make listening smoother. Even Sony's Walkman is shockproof throughout the process.

For high-compression models, there are also many disadvantages when the shock resistance function is turned on.

The first is the sound quality.

The opening of the shockproof function means that the sound quality is greatly reduced, and it will also consume more power, which is simply unacceptable for music enthusiasts.

Catherine's current cache, which reads for 5 seconds, should be enough as long as there are no major problems.

Catherine doesn't know any audio algorithms such as mp3, and the current algorithms were created when she collaborated with Stanford University.

"Digitalization" has always been something that Catherine can't put on her mind. Audiovisual digitalization is the most important part of this. The realization of audiovisual digitalization means a lot to me.

So this topic of audiovisual digitization, like the topic of flash memory, was handed over to Stanford University by Catherine.

However, so far, there has been no progress on the topic of flash memory, and solid-state memory is not so simple to be created. Although there is still no progress in flash memory, it has been effective in audio algorithms, and it is now ready to use.

Olsen nodded as well.

"What about the power supply?"

"It should be okay to use 4 No. 1 batteries, right? In terms of battery life, it shouldn't be worse than the current tape recorders. ”

"Then let's do it......"

This is only the initial product, and as for the final product, it needs to be handed over to them to continue the design. It's not just the exterior but also the structure inside.

"That's right!" Something suddenly occurred to Catherine.

"Any more questions?"

"This ...... Can it be used on a number of jù drives? Catherine asked.

"With the help of Hughes, we can have the technology we have now, but if we want to use it for a number of Jù drives......" Olsen shook his head.

"However, if it is a 210MB disc with a single bald head, it may not take much time to develop it."

Hearing this, Catherine's eyes lit up.

"How long will it take?"

"It should be done within the year."

Catherine nodded.

"Can our Phoenix-Stargate system use such an optical drive?"

Olsen nodded: "No problem at all. ”

"Hmm...... You go and talk to Microsoft, if you can use a single optical drive, it would be great. ”

The cost of a bald head is about 35~50 US dollars, and if it is a triple bald head, the cost is as high as 150 US dollars! If you use a high-quality bald head, the cost can even reach $100, which is very expensive, and it can almost be said that it needs to be replaced once a year.

However, if a single bald head can be used, the cost will drop dramatically.

For example, if the original method were adopted, the cost would be nine times that of a single bald head!

Exactly nine times!

When Olsen left, Catherine laughed.

She had no idea that computers could evolve so fast, which was a surprise.

"Hmm...... That's right. ”

Something suddenly occurred to Catherine.

"Perhaps...... We should talk to Watson Jr., I don't know if his hard drive patent can be licensed to us......"

With IBM's license and technology, ARK can begin to concentrate on the study of magnetoresistive head technology, once the magnetoresistive head technology is studied, the capacity of the hard disk will increase geometrically!

"It would be nice if there was a giant magnetoresistance......"

-- The above is purely delusional, if the giant magnetoresistance can be studied now, then the hard disk will become the best device in the computer, and there will be no need to upgrade it for at least 20 years.

……

Eliza. Laxis. Karizikova, the real name of "Rebecca".

However, this name has been abandoned by Rebecca. As a spy, as a swallow, Rebecca knows that she can't reveal her identity.

In fact, the main job of the swallow is to bewitch men, but this time the work is a little special.

In this short period of time, Rebecca has completely familiarized herself with Noah's structure, and then handed over all the information to Monimbel.

Although she doesn't often go to Catherine's office, she already knows that in "Noah", although each company and department is separated, the information of these companies is all summarized and counted in one place. And the connection between the companies is also very close, and it is completely different from other companies.

All in all, the ARK Group and its subsidiaries are very peculiar to the existence of Zài.

However, this situation has an unexpected high efficiency. And the presidents in these companies, although they are young, but they are all very talented people, under their management, the development of the company is very perfect.

Catherine has a habit of always writing down her ideas on paper and placing them next to her desk when she's not working. And whenever the number of those documents reached a certain number, Elsa, her secretary and maid, would sort out the documents and lock them in the safe.

If that's right, there should be a lot of information in that safe.

According to Monenbel's speculation, these materials should be the company's most important source of ideas.

Mourning Bell had noticed the ARK before registering the ID of "Morning Bear". But that wasn't his point at the time.

"These ...... Is that Noah's map? ”

Looking at the map that Rebecca handed over, Monimbell was thinking seriously.

"That's right, the security measures on their side are very in place, and all the information will be locked in the safe when they leave work. And the security in the company comes out of the umbrella company. ”

"Umbrella ......"

At the mention of the umbrella, Mourningbell's expression was a little strange.

The KGB once "dealed" with the umbrella...... In other words, they have dealt with all mercenary groups, but only the KGB itself knows about this "dealing", and as for those mercenary groups, it has not yet been discovered that there are KGB spies among them.

But to be honest, the last enemy that KGB spies want to encounter is the umbrella.

This company is completely different from the mercenary companies formed by mercenary arms dealers who are only interested in profits.

They are not training cannon fodder, but elites.

Especially those MIBs, which gave the KGB a headache.

So far, the MIB has clashed with the KGB five times. MIB has exceptionally tight protection, they have strong anti-detection capabilities, and any eavesdropping device is invisible in their eyes. And their protection of KGB targets is also extremely tight, and there is no way for KGB spies to even get closer to these targets!

Looking at the map, Monimbell frowned.

When Catherine was in the company, she didn't have any information that she had almost found.

As for the evening...... That's unlikely, because at night, Noah is much more protected.

"When will the 'Princess' have plans to go out?"

"There doesn't seem to be a ...... lately No, she seems to have something to discuss with IBM, and she will probably leave in the next two days. ”

Monimbell nodded cautiously.

He knew that was his chance!

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