Pang Xuelin didn't have much excitement on his face, in his opinion, this was completely due.

Because of Pang Xuelin's calmness, everyone's excitement lasted for a while, and Liu Fatzi and Mu Qingqing's emotions quickly calmed down.

Mu Donglai looked at Pang Xuelin with some emotion, and he didn't know how this kid's heart grew, such a cross-era technology was successful, and he could remain so calm.

Qi Aimin didn't notice Pang Xuelin's expression, he looked at the picture on the TV, and said thoughtfully: "Xiao Pang, the compression technology you use here is not just ordinary MPEG technology, right?" ”

Pang Xuelin glanced at Qi Aimin with some surprise, and said with a smile: "Professor Qi, do you see it?" ”

Qi Aimin said: "According to normal calculations, even after compression with ordinary MPEG, the definition of VCD is at most about 250 lines, which is only equivalent to the level of ordinary video recorders, but the clarity of the TV picture in front of you is at least 350 lines, which is already the limit of the clarity of small-screen TVs used in homes in China." ”

Pang Xuelin laughed and said, "Professor Qi, you guessed right, I just used the second-generation MPEG algorithm. ”

"Second-generation MPEG algorithms?"

Qi Aimin was slightly stunned.

Pang Xuelin said: "This is a new type of data compression algorithm that I have redeveloped on the basis of the first generation of MPEG algorithms, which can not only make the disc store more data information, but also improve the clarity of the video signal output. In fact, this technology is no longer VCD technology in the traditional sense, I call it CVD, Chinese digital disc! ”

VCD is the abbreviation of VIDEO COMPACT DISK, which means video disc; CVD IS THE ABBREVIATION OF ENGLISH CHINA VIDEO DISK, WHICH MEANS Chinese'S OWN DIGITAL DISC.

In the real world, this has happened before.

After VCD and CVD, there are also SVCD and DVD.

SVCD IS THE ABBREVIATION OF SUPER VIDEO COMPACT DISK IN ENGLISH, ABBREVIATED AS SVCD, WHICH MEANS SUPER VCD.

DVD IS THE ABBREVIATION OF DIGITAL VIDEO DISK, WHICH MEANS DIGITAL VIDEO DISC.

The standards implemented by the four are different.

The VCD adopts the MPEG-1 decoding technology standard, and the definition is about 250 lines, which is only equivalent to the level of ordinary video recorders.

CVD uses MPEG-2, the second-generation digital audio and video compression technology standard, and if the 2/3D1 format is used, the clarity of the picture can reach 350 lines, which is the limit of the definition of small-screen TVs for home use.

SVCD uses the same standard as CVD, and the clarity also reaches 350 lines, but there are some differences in technical details.

DVD also uses the MPEG-2 technical standard, but due to the advancement of disc materials, the definition has reached 500 lines.

Secondly, from the perspective of audio effects, DVD can provide 2 stereo channels and 1 5+1 Dolby AC-3 surround sound channel, which can provide high-quality surround sound.

VCD is a stereo output, and the two channels can store the original singing and pure accompaniment signals respectively when singing karaoke.

The audio signal of the CVD is recorded with 4 independent channels, and the sound can be 4 independent channels or 2 stereo channels.

SVCD is also available with 2-way stereo and 4-way mono.

In addition, DVD, SVCD, CVD also add subtitles and other functions in multiple languages.

In terms of performance, CVD is not much different from SVCD, except that CVD focuses on entertainment features, while SVCD focuses on educational features.

Therefore, in a sense, Pang Xuelin has mastered the world's top audio-visual compression technology.

This is also Pang Xuelin's order to avoid a patent dispute with Wan Yan just in case.

After all, the video decoding chip based on the first-generation MPEG technology is still in the hands of Sun Yansheng's C-CUBE company.

Later, even if Wan Yan went out of business, Sun Yansheng's C-CUBE company still relied on this technology to make a splash in the industry.

However, now with the addition of Pang Xuelin, the future development of C-CUBE is about to be marked with a question mark.

After all, VCD technology itself is not a particularly high-tech technology, at best it is an idea.

There are two main core technologies, the first is the video decoding chip that Pang Xuelin spent so much effort to develop.

The second core technology is the laser reading probe.

At present, the laser reading probe is mainly in the hands of Sony and Philips, which mainly exist as component suppliers and have not joined the competition for the VCD market.

Therefore, as long as Pang Xuelin masters the second-generation MPEG video decoding chip, he basically grasps the lifeblood of VCD technology development.

If the VCD patent is in his own hands, then Pang Xuelin will not be afraid of competition in the domestic market in the future.

The only regret is that as the clarity increases, so does the amount of data that the disc can carry.

So such a CD can only store a maximum of forty-five minutes of video.

But it doesn't matter, after all, even a regular VCD can only store a maximum of 74 minutes of video.

A movie generally needs two discs to carry.

As for the TV series, it's even more fine.

A TV episode is forty-five minutes long, which is just enough to burn a CD.

That night, in order to celebrate the successful development of CVD technology, Liu Fatzi specially booked a private room in a star-rated hotel near his home, in addition to Pang Xuelin, Mu Donglai's father and daughter, Qi Aimin and his family were also invited over.

After three rounds of drinking, Liu Fatzi pulled Pang Xuelin and said drunkly: "Brother Pang, you are really my nobleman, not only ...... Not only did he save me once, but he also ...... also gave me such a way to make a fortune, tomorrow...... Tomorrow we will go and register the company. I've got a million in funding, and I'll wait for it when the time comes...... I'm waiting to do it with you! ”

Pang Xuelin couldn't help crying and laughing, and said, "Okay, Lao Liu, let's go and register the company tomorrow!" ”

finally calmed down the restless Liu Fatzi.

On the other side, Mu Donglai and Qi Aimin also made a fuss.

These two are high school classmates, and they went to the countryside to join the queue together, and after the resumption of the college entrance examination, they were both the first batch of college students after the reform and opening up.

I have experienced a lot of things and endured a lot of hardships in most of my life, and when I talk about the past, I feel emotional.

It wasn't until nine o'clock in the evening that the feast was over.

Pang Xuelin helped Liu Fatzi, Mu Qingqing helped his father back home, and finally settled the two of them, and the two of them breathed a sigh of relief.

Pang Xuelin said to Mu Qingqing: "Qingqing, you should go back to sleep early." ”

"Hmm!" Mu Qingqing nodded, her crooked eyes smiled into two crescent moons, "Brother Huge, you are really handsome today." ”

As she spoke, she didn't wait for Pang Xuelin's reaction, and hopped back to her room.

Pang Xuelin looked at the girl's back and shook his head with a smile.

Naturally, the registered company will not be in such a hurry as Liu Fatzi said, but the registration of a patent can indeed start.

Next, Pang Xuelin spent two days writing six patent applications in Chinese and English, one of which directly applied for CVD-related patents, including the invention of the whole machine, the MPEG2 algorithm patent and the related patents of the video decoding chip.

As for the international version of the patent, Pang Xuelin decided to hand it over to Liu Fatzi to go to Xiangjiang to operate.

Liu Fatzi is familiar with the road in Xiangjiang, and he can do it if he finds a suitable law firm.

"Lao Liu, the patent application will be handed over to you, and there is another thing you have to arrest now."

"What's the matter? Brother Pang, you say. ”

After getting along during this time, Liu Fatzi has long been convinced by Pang Xuelin.

Up to now, almost everything he does is only Pang Xuelin's foresight.

Pang Xuelin said with a smile: "Video resources." ”

"Video resources?"

Liu Fatzi was slightly stunned and said, "Brother Pang, you mean, we can now go to the major audio-visual publishing houses to buy the copyrights of relevant film and television dramas?" ”

Pang Xuelin shook his head with a smile and said, "You don't need to buy copyrights, just pirate and start!" ”

Liu Fatzi couldn't help but be taken aback.

Pang Xuelin said: "Although CVD has come out, resources are a big problem. If you find an audio-visual publishing house to buy the copyright, you will not be able to get back to the original without forty or fifty yuan for a disc. In this case, when will the market be able to do it? Therefore, if you want people to pay for our products, you must have enough video and image resources, and the price must be cheap enough. Only then will it be possible for us to quickly open the market through VCDs. ”

Pang Xuelin knows very well that the popularity of VCD has a lot to do with piracy.

In the real world, in order to cultivate the VCD market, Wanyan Company has invested heavily in purchasing the copyright of film and television dramas from major audio-visual publishing houses.

This is also an important reason for Wan Yan's rapid collapse later.

Copyright has pushed up the cost price of VCDs by a large margin, resulting in Wanyan being completely no match for those small manufacturers in the face of competition from many copycat manufacturers, and quickly losing in the competition for this emerging market. It has become a victim of the VCD market.

In 1996, it won the advertising plate of five seconds after the CCTV weather forecast with 82 million yuan, and at the end of 1997, it became the advertising "king" of CCTV in 1998 with a price of 210 million yuan, and it quickly grew into a leading enterprise in the field of VCD.

With the rapid popularity of VCD in China, the piracy industry chain has also risen.

This state of affairs continued until the early 2000s, when the disc piracy industry declined with the spread of the computer Internet.

At the same time, the online piracy industry is on the rise.

Until 2020, piracy was still extremely rampant in China.

Games, TV series, movies, and even movies have become a tool for piracy syndicates to make profits.

Liu Fatzi nodded thoughtfully and said, "Okay, then I'll find someone to arrange it now." ”

Pang Xuelin shook his head and said, "Lao Liu, we can't end the pirated work in person." When our CVD is ready to be released, you can find someone to do it through your own connections, the piracy industry is too profitable, as long as you guide a little, some people are willing to join, what you have to do now is to give priority to screening out the classic film sources of Hong Kong and Hollywood! ”

Liu Fatzi was stunned for a moment, and suddenly said, "I understand." ”

Next, Pang Xuelin stayed in Yangcheng for another three days, and after submitting an application for CVD-related patents, he followed Liu Fatzi and Mu Donglai to drive to Shencheng.

When it was about four or five kilometers away from the second-line pass, the van driven by Liu Fatzi stopped at an intersection.

After waiting for more than ten minutes, a young man in his twenties, riding a tricycle, came over with a sigh.

"Brother Liu, I'm sorry to keep you waiting, who is going to pass today?"

The young man said.

Liu Fatzi pointed at Pang Xuelin and said, "Lao Chen, it's this Pang brother who has to pass today, you can just call him Brother Lin." After passing the level, I'll be waiting for you in the old place! ”

"Don't worry, Brother Liu, I promise to send Brother Lin over to you completely!"

Then, Liu Fatzi turned his head to Pang Xuelin and said, "Brother Pang, then Professor Mu and I will pass the customs first, and we will see you in the customs." ”

Pang Xuelin nodded with a smile and said, "Go ahead!" ”

In fact, if Liu Fatzi is kind, this second-line pass, which is full of barbed wire and high-voltage lines, is nothing to Pang Xuelin.

He could have found a secluded corner at night and jumped over without anyone being able to catch him.

However, since Liu Fatzi arranged for someone to answer, Pang was not good at brushing off the fat man's kindness.

After Liu Fatzi left, the young man surnamed Chen smiled and said, "Brother Lin, my name is Chen, you can call me Xiao Chen." It's only four o'clock in the afternoon, and we'll have to wait at least until after twelve o'clock in the evening if we get through the border. My second uncle's house is nearby, so let's go to his place to rest first, and then go out in the evening. ”

"Okay."

Pang Xuelin nodded.

Then, he got on Chen Cheng's tricycle and followed Chen Cheng to a village near the second-tier pass.

Chen Cheng obviously didn't bring someone over for the first time, and his second uncle and aunt didn't ask much.

Instead, he prepared delicious meals and room rest for Pang Xuelin, and everything was arranged in an orderly manner.

It wasn't until twelve o'clock in the evening that Chen Cheng knocked on the door of Pang Xuelin's room.

He held a flashlight in his hand and said, "Brother Pang, come with me." ”

The two of them walked out of the village one after the other, and walked along the path between the villages for nearly an hour before they came to a barbed wire fence near the second-line pass.

The barbed wire fence here has been cut out of a small hole, just enough for one person to enter and exit.

Chen Cheng said: "Brother Lin, this is a new opening not long ago, and many people don't know it yet. Generally, only individual passengers are accepted, and the security is much higher than those who follow the team. ”

Pang Xuelin smiled and nodded, but did not speak.

followed Chen Cheng through the breach in the barbed wire fence and entered the pass, and the two walked along the path for more than an hour before they came to a junction.

Liu Fatzi's van has been waiting for a long time.

"Brother Pang, finally come in, get in the car."

Pang Xuelin sat in the passenger seat, Liu Fatzi rolled down the window, threw a pack of soft China to Chen Cheng and said, "Xiao Chen, I have worked hard for you this time." ”

"Where the words! Fat brother, remember to find me if you have business in the future. ”

"Don't worry, I won't forget your kid."

The car quickly started and drove along the road in the direction of the center of Shenzhen.

Liu Fatzi's home is located in Luohu District, Shencheng City, which is later the old town of Shencheng.