In fact, the role of the microphone is not only that, it can also be used to detect the spatial environment in which the device is located, whether it is on the road or in the hall, or in the square or food stalls, different environments have their own noise sources: wheels, air conditioning compressors, faucets, melon seeds, crayfish, etc., the sound is naturally different, and it is actually simpler than voice recognition to distinguish who they are.

It is only necessary to extract the pattern features of various "featured" sounds, save them in a sample library, and then compare them with the ambient noise collected by the microphone to determine the type of environment. Even if the sample database is fine enough, it is possible to determine the location of the mobile phone for further information, such as the same lively business district, and the accent and shouting words are different in different places. Of course, if the merchant uses an electric speaker to play the online download in a loop, "Don't miss it when you pass by, you can't buy it for two yuan, you can't be fooled for two yuan" and "Huang He, you are not a human being!" We have worked hard with you for more than half a year, you don't pay your salary, you pay back our hard-earned money", then there is no way.

Although this feature is inconspicuous, it is still very helpful for smartphones, allowing the phone to automatically adjust the ringer volume according to different environments, switch noise-canceling microphones, screen brightness, theme style, and even unlock mode, software login method, and other settings can be automatically adjusted with the change of environment, giving users maximum comfort.

In addition, the microphone can also be used as a stethoscope to listen to heart and lung sounds, and then compare them with the sample bank, which may be able to detect early heart and lung diseases. Even in daily voice conversations, by analyzing the changes in intonation and wording, you can also derive the mood and mood indicators of the speaker, which can be used to detect the mental stress of the other party, which is how the so-called "observation of words and colors" and "voiceprint polygraph" come from.

In addition, by analyzing the frequency change of the same sound (the detected wavelength becomes shorter when the vibration source is close to the observer, and the longer wavelength is called "redshift") when the vibration source is close to the observer, it is also possible to measure the speed and approximate direction of movement of the same sound relative to the mobile phone.

However, in Tang Jiayi's words, these tosses by Atletico Madrid are "all crooked and heretical!

Regarding his wife's accusations, Atletico can only admit frankly that he naturally knows the rule of 28, and it is impossible to talk nonsense in this regard.

Different fields have their own "28 rules", social theory believes that 20% of people own 80% of wealth, so we should use progressive tax rates to overcharge the rich tax to regulate income; business management theory believes that 20% of customers (business) bring 80% of profits, so we should focus on core business and VIP customers; in the field of traffic safety, it is found that 20% of people who do not abide by traffic rules cause 80% of car accidents, so drunk driving, drug driving, fatigue and overloading should be prohibited......

The law of 28 is actually a summary of experience, also known as Pareto's law, the law of least effort, the law of imbalance, which was first discovered by the Italian economist Pareto (vilfredo_pareto, 1848~19) more than a hundred years ago, at first it was just the sentence "20% of people own 80% of wealth", and later people found that the shadow of this law can be everywhere in social life, and it slowly became a myth.

In fact, our ancestors 2,300 years ago also discovered this law, and Liu Xiang's "Warring States Policy" of the Western Han Dynasty has a saying "Poetry Yun: 'Those who travel a hundred miles are half than ninety', and it is difficult to say the end of the road". The lobbyist who uttered this sentence "The end of this sentence is difficult" did not leave a name, so the article recording his remarks can only use a unified title of "the king of Qin".

However, the object of its persuasion is famous in history, and this "King of Qin" is King Wu of Qin 00 years ago.

Sima Qian said, "King Wu is powerful", because he competed with people to raise the Ding, but the Ding fell down and broke the shin bone of the calf, and then it may have been excessive blood loss, no anesthetic, excessive pain and hung up on the same day.

In 307 B.C., the Qin State captured Yiyang, an important city in Korea, next to the Eastern Zhou Dynasty's smaller and smaller control area, Qin Wu King Yingdang ran to the front line to inspect the newly occupied area, and slipped to the territory of the Eastern Zhou Dynasty, made an unofficial state visit, and then really realized his grand wish when he succeeded to the throne "to travel to Gong, Luo, life and death without hatred".

Therefore, it is really good not to stand up indiscriminately for such a thing as a flag, otherwise it is possible for the downwind bureau to suddenly suffer a tornado.

King Wu of Qin and his favorite retainer the famous Hercules Meng Shuo (also said to be Meng Ben), together became the earliest recorded weightlifters in history, and they are simply the same sports pioneers as the ancient Greek Phidipitz 2,500 years ago!

No, the fate of these two pioneers was not very good, King Wu of Qin died young, only enjoyed the throne for four years before returning to heaven, another famous strong man Meng who competed with him to win the crown, but also because of his participation in the killing of the King of Qin, he was ordered by the minister of Qin to split the car, split the body of five horses, and also punished his nine clans.

The tripod that was used to compete is also very famous, it is the Yongzhou tripod, one of the "Zhenguo artifact" Dayu Kyushu tripods of the Zhou Dynasty.

Some people say that Dayu Jiuding is a tripod, and some people say that it is nine tripods, six yangs and three yin, each with an inscription to respond to the world Kyushu, which represents the Yuzhou tripod of the Heluo Central Plains is the center, and the others are vassals. Not until the end of the Warring States period, this Jiuding disappeared.

Because King Wu of Qin had no heirs, he was succeeded by his half-brother Ying Ji, who was later King Zhaoxiang of Qin. And his great-grandson is even more famous, he is the "first emperor in history" Qin Shi Huang Yingzheng. Because Yingzheng is famous, his great-grandfather Yingji is naturally looked down upon, and even with Yingji's mother, Yingzheng's great-grandmother Mi (fan) Yue is also known as the "First Queen Mother in History", and now it has also been turned out of the history books and plans to make it into a TV series.

If Yingdang is not so fun-loving and dazzling, visit Jiuding quietly, at most come to a "win", instead of running to play a game of thousands of pounds, there will be nothing to do with Yingji, and naturally there will be no refreshing harvest of the six countries after more than 70 years of Yingzheng. You must know that the strong and healthy Ying Dang classmate was only old when he hung up, but Ying Ji, who took over his throne, lived to be 75 years old!

King Qin Wu "lifted the crown", which led to drastic changes in the inheritance of the throne, and also made Xia Yu Kyushu Ding follow with more mythological colors, but it is a pity that after a few decades, all the Kyushu tripods were missing, maybe Yingji felt that they were unlucky, right?

Literature and history aside, the Wuwang Juding incident proves the conversion relationship between the ancient weight unit of "Jun" and modern weights and measures. Qianjun Juding was lifted by Meng Shuo and Yingdang successively, and it was very reluctant, the former just lifted it and put it down, and the latter also wanted to take two steps, but Ding fell and broke his leg, which proves that the weight of the so-called "Qianjun Juding" should be close to the weightlifting limit of people.

Although the world record in men's snatch has been repeatedly refreshed by China's weightlifters, it is still difficult to escape the reality of "people lift about twice their body weight at most", and can only slightly increase their performance through scientific training, equipment strengthening and temporary weight loss. In other words, the so-called "Qianjun Juding" should actually only weigh as much as two strong men, almost about 200 kilograms.

However, the ancients were very fond of exaggeration and the use of imaginary numbers, a jun of 30 catties, "Qianjun" should be 30,000 catties, but the words of Qianjun and 10,000 catties are often used to indicate that Yali Mountain is large, in fact, there is not necessarily that number, plus the mixing of the volume units of buckets and stones (dàn), the weight units in the ancient books can be said to be a mess, and it is completely delusional to want to have a simple conversion formula.

As a famous weightlifter, King Qin Wu used his rope life to leave a lesson for everyone, and made a bloody annotation for the domestic "law of one hundred miles and a half ninety". He is indeed infinitely powerful and can lift the Yongzhou Ding, but he underestimated the difficulty of maintaining the posture of lifting the Dingzhou after lifting it, and as a result, the Dingluo leg was broken and people died, and the throne and the future throne were all cheaper than others.

In fact, whether it is the "Twenty-Eight Law" or "One Hundred Miles and a Half Ninety", it is said that there is one thing: the closer to success, the more difficult things will be!

On the other hand, the lower the requirements, the easier it is to achieve, that is to say, it is easy to achieve 80% of the effect with only 20% of the investment, but the remaining 20% of the "excellence" part may need to consume 80% of the investment to achieve.

Of course, these 20 and 80 are also just approximations, these two numbers are just the visualization of the two concepts of "very little" and "a lot", and the actual situation is sometimes more incredible than what they show, such as the 15100 frames of domestic special effects and the tens of thousands of dollars of a special effects shot of Hollywood blockbusters, the difference is more than ten times.

Of course, the cost of special effects in domestic film and television dramas cannot really be as low as "five cents", and even the Yikuai special effects company, which is famous for its low-cost special effects, has never opened an ultra-low price of one dollar and one frame. The real "five-cent special effect" should be a simple post-production made by folk enthusiasts who spend two hours on their own computers, and it is almost exactly five cents if you only count the electricity bill.

Therefore, it is possible to use mobile phone microphones to realize auscultation diagnosis, acoustic polygraphy, environmental analysis, and ranging, but it is absolutely impossible to replace professional equipment, because the accuracy and reliability cannot be achieved!

To be precise, the cost of reaching the point of true usability is too high, far exceeding the ability of bees and users to accept, and it is meaningless.

Tang Jiayi and Tang Qi Lu Wei and their relatives, as well as Atletico Madrid's own mobile phone, can pile up all kinds of black technology at any cost, and realize all kinds of incredible magical functions, but the mass production version of the mobile phone is not good, on the one hand, the manufacturing cost is too high, on the other hand, the time is not allowed, Boss Ma is a busy person with thousands of yuan a minute, and occasionally makes so many "handmade" mobile phones for it to improve life, but if you do it every day, it will be worth the loss.

So after the Bee all-carbon mobile phone C1 was sold at a high price, although the Bee mobile phone planned to make persistent efforts to launch more C1 to make money, but it was resolutely rejected by Atletico Madrid, and he really couldn't stand it. Without the "mysterious channel" he mastered, the mobile phone company could not get the full carbon accessories, C1 could only become out of print, fortunately, Boss Ma slapped back and threw them a sweet date, promising that there would be more powerful C2 mobile phones in the second half of the year, and everyone had to continue to fall.

In fact, the so-called C2 mobile phone is now in the pockets of Atletico Madrid and Tang Jiayi......

It is precisely because of being around Atletico Madrid that she often sees various black technology products, so that Tang Jiayi's expectations for new products have unconsciously increased to the extent of breaking through the sky, and ordinary earth products have become difficult to enter Ms. Tang's eyes, so she will look down on Atletico more and more on this set of things tossed on ordinary bee mobile phones.

However, Atletico Madrid does not dare to take them so lightly, and there is also a "long tail effect" in economics, which is known as the rebellion of the "28 law", the latter encourages companies to make money from high-profit core VIP customers, while the former guides companies to make money from ordinary people, and the total income of small profits and quick sales adds up to more than only a few people's business.

In fact, in Atletico Madrid's view, the so-called "long tail effect" is actually just one aspect of the "28 law", the premise of the long tail to make money is that "small profits" and "more sales" can exist at the same time, that is, the cost can be reduced low enough to make the potential sales stimulated, otherwise the big profit and thin loss is just around the corner.

In this sense, it is completely reasonable for domestic film and television dramas to use a large number of "five-cent special effects", in the past, the investment in domestic dramas was insufficient and the income was insufficient, so naturally they could only take the low-end route with small profits and quick sales, and the special effects investment must of course be saved, but now with the expansion of the market and the increase in income, the fierce competition will naturally force producers to increase investment, and there will be more and more money to attract celebrities to burn money to make props and special effects.

Similarly, many UGC video sharing sites, known as the model of the "long-tail effect", are losing money, the global giant Tube YouTube is losing money, the domestic giant Youdou is losing money, and only the bee video of the bee family is making money, because although they are all focusing on UGC user-generated content, the cost of YouTube and Youtu's stalls is too large, and the original intention of the long-tail effect has been lost, while Bee Video has firmly controlled the cost by virtue of its technical advantages and stable operation ideas, so as to achieve profitability.

Of course, YouTube is backed by Google's big tyrants, and they don't care about this loss at all, and Youtu has venture capital money to burn in the early stage, and after the venture capital was launched, it continued to burn the money of American stockholders, and now I heard that I have hugged Alima's father's thick legs, and there is still no need to worry about eating in the future, so naturally I will first grab land as the first priority.

When people have circled the territory, there are naturally a hundred ways to make money, so they are naturally not in a hurry at this time. For mobile phone users, please visit http://m.piaotian.net