heard

You’ve probably never heard of urea. The missiles in Iran are destroying their production, and that will affect your food

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At the beginning of the 20th century, the world feared it would run out of food because crops were not growing enough to feed a growing population. The solution came from chemistry: an industrial process capable of manufacturing artificial nutrients for plants and multiplying crops across the planet. Today, this invisible system supports much of what reaches our plates, but it also depends on a global chain. surprisingly fragile. The invisible substance that feeds us. We already said it in the headline, you may not know urea. However, this chemical compound is one of the silent pillars of modern agriculture. It is nitrogen fertilizer most used in the world and indirectly responsible for approximately half of global food production. Its function is simple but crucial: providing nitrogen to crops so they can grow quickly and produce larger harvests. To give us an idea, approximately half of global food production depends on synthetic fertilizers. nitrogen basedand urea is the most widespread of all. Without it, agricultural yields would fall abruptly, which would directly affect products as basic as wheat, corn or rice. The Gulf and fertilizers. It happens that a large part of this global agricultural system depends on a very specific region of the planet: the Persian Gulf. The Middle East is home to some of the largest plants of fertilizer production in the world and is also a key source of raw materials necessary to manufacture them, such as ammonia or sulfur. Furthermore, the Strait of Hormuz has become an essential artery for this trade. between one quarter and a third of the world’s traffic of raw materials for fertilizers passes through this maritime passage, along with approximately 35% of global urea exports and 45% of sulfur trade. A war that hits the food chain. The military escalation in Iran and the attacks around the Strait of Hormuz are starting to interrupt that delicate system. Maritime traffic through the area has been drastically reduced and several ships have been attacked, while industrial facilities in the Gulf have suffered direct damage. In Qatar, one of the largest fertilizer facilities in the world had to stop your production after a drone attack, while Iran has paralyzed its own ammonia production. Every missile in the Iran war is not only destroying its production, it brings us a little closer to a dystopian future scenario. Urea sample in the form of granules The domino effect of urea. When the supply of fertilizers such as urea is interrupted, the impact soon spreads to the food system. If farmers cannot apply enough fertilizer, the ccrops produce less. Some experts estimate that the lack of fertilizers could reduce harvests by up to 50% in the first affected agricultural cycle. This decline would quickly translate in price increases in basic foods. Bread could become more expensive in a matter of weeks, while derived products such as eggs, chicken or pork would do so months later, as the increase in the cost of animal feed is passed on to the entire food chain. Gas, the hidden ingredient. The manufacture of nitrogen fertilizers also depends on another key factor: natural gas. Between 60% and 80% of the cost of producing fertilizers comes from the gas used in the chemical process that transforms atmospheric nitrogen into compounds usable by plants. With the war driving up energy prices and damaging industrial infrastructure, the cost of production skyrockets even before fertilizers reach the market. In a few days, the international price of urea has risen more than 25%reaching levels close to 625 dollars per ton. Risk of global food crisis. I remembered the financial times that the situation also comes at a particularly delicate moment in the agricultural calendar. In much of the northern hemisphere, farmers are starting the season spring planting, when they buy and apply the fertilizers that will determine the year’s crops. If the Strait of Hormuz disruption lasts more than a few weeks, the impact could extend far beyond energy or maritime trade. Thus, what today seems like a localized geopolitical crisis could transform into something much deeper: a global food shock reminiscent of (or even surpassing) the one that occurred after the Russian invasion of Ukraine in 2022. In that scenario, the war in Iran would not only be fought with missiles and drones, but also in the fields of crops half the planet. Image | liz west, nara, LHcheM, eutrophication&hypoxia In Xataka | Iran is directing its attacks where it knows it hurts the West: energy and data centers In Xataka | In 2022, the gas crisis skyrocketed the price of electricity in Spain. In 2026 we have a “green shield” but also a serious problem

Spotify has suffered the largest music theft in history. One that confirms that most of their catalog is never heard

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Anna’s Archive was already known by literature lovers, who turned to this repository to be able to access books of all kinds without having to pay for them. Now they want to achieve the same thing with music, and they have taken a colossal and disturbing step: stealing practically the entire Spotify catalog. What is Anna’s Archive. Anna’s Archive project appeared on the scene in late 2022, shortly after legal pressure managed to knock down the Z-Library platformone of the largest websites for downloading free books. The platform works as a metasearch engine that allows you to find books and then download them. Anna’s Archive does not host these files—which, according to the project, exempts it from legal responsibility—and links to different anonymous download providers, which is where users can obtain them. Until now the platform focused on books, but that has changed. The biggest music theft in history. In a post published on his blog official this weekend, those responsible for Anna’s Archive indicated that they have made “a backup copy” of Spotify that includes both metadata and music files. Not only that: it is indicated that they are distributing all this information through torrent files, and the total download takes up 300 TB of data “grouped by popularity.” 86 million songs. They call it the first music “preservation archive” in history and it has 86 million music files. Although that figure is only 37% of the songs in Spotify’s entire catalog, according to Anna’s Archive they account for 99.6% of listening on Spotify. And here there are two important things: on the one hand, music as such. And on the other hand, the metadata that surrounds that music, and that offers very interesting information about Spotify’s music catalog. The top 10,000 popularity. Thus, at Anna’s Archive they wanted to organize that archive based on “popularity”, a metric that they use in Spotify to order the songs that are listened to the most and how recent those plays are. Those responsible for Anna’s Archive have compiled a gigantic list with the 10,000 most popular songs according to this metric. Lady Gaga, Bad Bunny and Billie Eilish occupy the top three positions, for example. This graph reveals how song popularity demonstrates the long tail phenomenon. Only 62 songs exceed 90 points. Three out of four songs are not heard. By grouping songs by popularity, the metadata reveals and confirms the traditional long tail phenomenon. More than 70% of the songs in the Spotify catalog are barely listened to (less than 1,000 plays), and there are so many that are popular or that they had to cut the gigantic file (it would have been 700 TB) to end that representation of 99.6% of songs that have minimal popularity on Spotify. That does not mean that they are better or worse, be careful: it just means that they have been heard more or less on the platform. We all hear (more or less) the same thing. Most listens come to songs with popularity between 50 and 80, and here comes an expected figure: of the 86 million songs, only 210,000 exceed 50 popularity (0.1%). Or what is the same: almost everyone basically listens to a very small set of songs compared to the size of the catalog. How much is each song listened to? Those responsible for Anna’s Archive claim that it is possible to estimate the total number of views per song thanks to popularity. They gave the example of the first three: ‘Die with a smile’ (Lady Gaga and Bruno Mars), 3,075 million views ‘Birds of a feather’ (Billie Eilish): 3,137 million views ‘DtMF’ (Bad Bunny): 1,124 million views Between the three of them they accumulate as many listens as the songs that are between number 20 and number 100 million have. Once again, the long tail in action. Analysis everywhere. These metadata are very useful, and Anna’s Archive has produced a unique report in which they reveal conclusions based on the data collected. Thus, you can confirm how the most common length of songs is around 3:30 minutes, how there are numerous duplicates per song (licenses, versions, etc.), which ones are the most popular genres between artists or how most of the songs on Spotify are singles, and not part of an album. These metadata are a true treasure for market researchers. Downloading (for now) only in large torrents. At Anna’s Archive they have not published almost any of the torrents so far, but they have already indicated how they will offer those 300 TB. First, the metadata in a 200 GB file, which is already being shared by about 200 people. Then the music in various batches organized by popularity. Finally, some additional metadata and content like album art designs. Time will tell if those 86 million songs end up being available on some type of platform that links them to download individually. At Anna’s Archive that does not seem to be the intention, at least for now, and at the moment the metasearch engine focuses strictly on books. What Spotify says. As they point out in TorrentFreakthose responsible for Spotify have launched an investigation, and as a result have “identified and deactivated the accounts of malicious users who were participating in illegal scraping activities.” They have also implemented new measures to prevent these types of attacks and “are monitoring suspicious behavior.” Image | Sumeet B In Xataka | The chaos of streaming is causing a phenomenon that we thought was in recession: downloads are increasing

If you have heard a roar at Teruel airport it is because PLD Space has just tested the new Miura 5 rocket engine

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A thermal chamber pointing to the test table of PLD Space At Teruel Airport, he has witnessed the first tests of the Treprel-C engine, the heart of the Spanish rocket Miura 5. Wake up, Miura, wakes up. PLD Space engineers have moved the first engines of the new Treprel-C family to the test zone for a series of integrated hardware trials. With these tests, the preparations for the flight rating campaign finalize, with which they will valid the design and tolerance of the motor to integrate it into the rest of the rocket. As Pld Space has advanced In his X profilethe new manufacturing technologies of combustion cameras that they have tried have “very good look”. A jump to the big leagues. The launch of Miura 1 served to validate all kinds of processes and technologies Internally developed, but the Miura 5 engine is much more complex. We talk about a two -stage orbital pitcher, designed to Place satellites of up to a ton In equatorial orbit. With a height of 35.7 meters, Miura 5 needs five teprel-C engines to rise. The engine is a direct evolution of the technologies validated by Miura 1 with an important qualitative leap: it is a turbobombic fueled engine in which the reliability apart from performance prevails. Treprel-C. The new Treprel engine (acronym for “Spanish technology for reusable spatial propulsion for pitchers”) generates 190 kn of thrust at sea level: 950 kN in total for the first stage of the Miura 5. The second stage of the rocket carries an optimized version for the vacuum. These engines, with a height comparable to that of a person, presume to have the combustion chamber of liquid propellant developed by a commercial company with private capital in Europe. They feed on RP-1 bioquerosen and liquid oxygen. Manufactured in Elche. The new PLD Space plant in Elche, 12,500 square meters, is designed to produce up to six MIURA 5 and 60 Treprel-C motors per year, which gives an idea of ​​the project ambition. The company’s facilities at Teruel airport have become, since Miura 1, in the epicenter of static tests. At the end of 2024, PLD Space lifted a 20-meter test tower for cryogenic and pressure test tower, and has built a test bench capable of trying three treprel-C simultaneously. The debut of Miura 5 is scheduled for early 2026. Images | PLD Space In Xataka | The “first private rocket in Europe” has been vacant and someone is getting hollow: Miura 5 of Pld Space

Neither London, nor New York, nor Tokyo. The largest city in the world is a place that you have never heard

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We recently told something we sensed, but there were no data to confirm it. For a long time it was thought that we were 8,000 million people on the planet, but a study calculated that we had left Between 1,000 and 3,000 million along the way. It is not a trivial figure, and gives an idea of ​​the “massification” of people on earth. If we add to this that most live in cities, the thing is complicated a little more. In fact, there is only one city that has two records: it is the bigger and the most populatedand possibly you had never heard of her. Colossal and unknown. To the question of the world’s largest city, many candidates may be repeated: London, New York, Tokyo… However, none of those well -known cities really holds the title, neither by total nor surface population. No, the true urban giant is found in China and is a name that the general public is unknown: Chongqing. This monumental metropolis, located in the geographical heart of the country, where the Yangtsé and Jialing rivers cross, has not only become the city with the greater number of inhabitants in its jurisdiction, but also in the most extensive on the planet, with More than 82,400 square kilometersan extension comparable to entire countries such as Ireland or Austria. Context. However, its real size is not easily perceived from the outside, this occurs especially because much of Its territory is ruraland because its urban structure challenges all cartographic logic, built on steep slopes, deep valleys and high urban platforms that force its residents to move between tunnels, phones, stairs, elevators and catwalks that intersect as in an endless vertical dream. A three -dimensional city. More than a flat city, Chongqing is a three -dimensional urban phenomenon, as vertical as expansive, as abruptly as unbeatable. In fact, He told the Guardian Architecture critic Oliver Wainwright when describing his experience there Like a mixture Between the Inception movie and a snake and stairs game. In Chongqing, what seems like the ground floor can actually be the roof of a thirty -story building, and moving a few apples can involve changing levels five times. Its urban design, far from following a classic pattern, Respond to the mountainous topography which forces the neighborhoods clinging to the cliffs since the subway lines cross housing buildings. In such a context, even maps lose meaning: the city is only understood in motion, from within and in all directions. The Chinese city in dusk More than an inflated statistic. Plus: Although it may seem that its classification as “the greatest” is based on administrative technicalism, the argument goes beyond the mere surface. While the urban area occupies a much smaller portion of the total, More than 70% of the population (about 33 million inhabitants) lives within that area concentrated, a figure that exceeds any other city in the world. In addition, Chongqing is not a recent experiment or a planned city overnight: its history goes back to More than 3,000 yearswith a key role as regional capital, strategic river port and even logistics node before the Qing dynasty. The city already had more than two million inhabitants before the economic reforms of 1968 that opened China to the globalized world. From that moment on, growth It was vertiginous: 6.3 million in 1979, 13.9 million in 1983 and almost 29 million in 1997. The urbanized “China”. If you want too, Chongqing symbolizes the perfect model of Intensive urbanization That China has promoted in recent decades, with a state machinery that has doubled the urbanization rate of the country in twenty years, and that projects to reach 70% of urban population by 2050. Moreover, four of the five largest cities in the world by population within its administrative limits They are today in Chinareflex of a national process that has merged economic development with urban planning on a continental scale. Within that framework, the enclave not only represents a statistical feat, but a key piece of Chinese economic and territorial gear, a kind of megalopolis built on the basis of public investment, administrative reorganization and forced mobility towards urban poles. Touching roof. It is the last of the legs to analyze: its future. Like that of many other Chinese cities, he faces a new reality that we have gone counting: Stagnation and posterior Demographic decline of the country. Despite its colossal size and its central role in the economic growth of the nation, it may have already reached its maximum point. The new generations, less numerous and With other goals and valuesThey could reduce the expansion pressure that its recent history has defined. That said, even if it does not grow anymore, Chongqing will continue to be a unique city: with 33 million people And a territory that covers more than some states and countries combined, the city of impossible heights and asymmetric densities is already, in its own right, one of the most extreme urban expressions that humanity has conceived. Image | JUUKEIHC, Kristoffer Trolle In Xataka | We thought we were 8,000 million people throughout the planet. Until some researchers began to make numbers In Xataka | In Japan there is no doubt that they live worse than 30 years ago. Literally, houses are getting smaller and smaller

The best paid CEO in the US is not in Apple or Tesla. It is a complete stranger of a company that you had not heard

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When we think of the CEOs Better paid on the planet Surely we repeat a small group of people at the controls of some of the great technological corporations that dominate the present. We would not be unchanged in figures such as Tim Cook, Satya Nadella or Mark Zuckerberg, but none of them approaches the emoluments received by the Jafazo best paid in the United States. The curious thing about this story is that you have not heard in your life or the CEO, nor the company it directs. A complete stranger at the top. In an environment, that of the great corporations, dominated by omnipresent names such as Tim Cook, Elon Musk or Jensen Huang, the title of the best paid CEO of 2024 did not fell in any of them, but in an executive practically unknown to the general public: James Anderson. As? Yes, the man is in charge of COHERENTa technological company based in Saxonburg, Pennsylvania, dedicated to the manufacture of network and laser systems. Anderson received a total remuneration of 101.5 million dollarssurpassing by a wide margin to figures such as Brian Niccol de Starbucks or Satya Nadella de Microsoft. Its impressive salary package positions it as the only CEO of the Ranking of Equila (which analyzed the 100 companies with income greater than one billion dollars) to exceed the barrier of the nine digits in compensation, in a year in which the average salary of an CEO reached a record of 25.6 million dollars. The stock market effect and a distortion. Although Anderson has a base salary of little more than one millionits incorporation to Coherent in June 2024 made its remuneration in cash be limited to only $ 81,538, along with a signature bonus of half a million. The rest, 99.4% of its emoluments, came from a Actions package whose value was shot unexpectedly. The reason: the enthusiasm of the market after the announcement of its appointment catapulted the price of coherent shares, thus generating an inflationary effect on the value of its shareholding concessions. The company, in Your proxy reporteven recognized this paradox: the actions were valued using a 30 -day mobile average that did not reflect the posterior stock market explosion, which artificially amplified the amount of the package. In addition, the payment included compensation for the loss of deferred actions accumulated during its previous stage in Semiconductor Laticewhere it was considered key in the exponential growth of the stock market value. The Top 10 of 2024 Domino effect. The impact of his Latetice departure and his arrival in Coherent was immediate. On the same day of the ad, the market value of Latice fell 15.5%which represented a loss of 1.6 billion dollars, while Coherent shares rose 22.9%, adding about 2,000 million in stock market capitalization. Since then, Coherent has maintained sustained growth, while Latice has retreated 34%. To all this, we must add that Anderson, Electrical Engineer With titles of MIT, Purdue and the University of Minnesota, it has a proven history: During their management in Lattice, the actions rose more than 875%, exceeding by broad margin to the S&P 500. In other words: its reputation as a silent transformer seems to have become an asset as valuable as any product line. The era of actions as salary. In the background, Anderson’s case illustrates a Dominant trend In contemporary executive compensation: retribution in shares represents near the 73% of the average total salary of the ceos, According to equilationwith a 41% increase compared to the previous year. This form of remuneration, linked to stock market performance rather than immediate results, has allowed to justify very high compensations, even in companies where the benefits do not always accompany. For example, Summit Singh, Chewy CEO, He received 35.1 million in 2024 Although the actions of the company 60% fellthe worst performance of the entire list. In contrast, Jensen Huang, from Nvidia (the firm with Best stock yield of the year, with an increase of 215%) received 34.1 million, although Your personal fortune It is estimated at 92,000 million thanks to its shareholding of 3.5%. Map of “tech” salaries a year earlier Benefits, security and inequality. There is much more, of course. In fact, in addition to wages and actions, many CEOs enjoy luxurious additional benefits. They counted in Barrons That Tim Cook, for example, received more than $ 780,000 in personal security services and another 655,000 on private flights. Starbucks, meanwhile, provides its CEO flights exclusively in private jets. Plus: This type of expenses has become more common due to growing concerns for security, especially after UNITEDHEALTH GROUP CEO Murder in a street in New York. In fact, a parallel study of equilation shows that almost a third of the S&P 500 companies already offer some type of executive protection, in this case a 28% increase Regarding 2023. The enigma Elon Musk. Yes, you may have realized that The richest man The planet has not appeared much until now. Elon Musk, although absent from the ranking because Tesla He has not presented Even your proxy report is still a key figure. Its previous ten -year compensation plan, approved in 2018 and currently valued in about 70,000 millionwas canceled twice By a delaware judge and now awaits a resolution in the state Supreme Court. This episode, together with the growing disconnection between real performance and executive remuneration, has fed criticism about the lack of effective controls in corporate wages. As Dean Baker summed upco -founder of the Center for Economic and Policy Research, “there is no real control over what is paid to the CEOS”, adding that many are not extraordinary, although they are paid as if they were. Citing these days, Warren Buffett, I remembered: “I try to invest in companies so good that even an idiot can direct them, because sooner or later, someone will do it.” Reflection of an era. In summary, at a time where salary inequality and wealth concentration generate increasingly intense debates, Anderson’s story It represents both … Read more

Elon Musk shared a message that apologized to Stalin, Hitler and Mao. Then closed an office that nobody had heard

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Elon Musk’s role in Donald Trump’s administration, at least the public nature, is to face To the cuts and expenses within the US government. In the last 48 hours there have been two circumstances that reflect The climate of a certain chaos that is breathed at the passage of the richest man on the planet. It all started when he shared a controversial message in X. Excuse Hitler. Last Friday morning, Musk shared in X a publication that claimed that Stalin, Hitler and Mao They were not directly responsible Of the millions of deaths that occurred under their regimes, but the guilt fell to public sector workers. Obviously, the post was received with an immediate reaction and generalized criticisms, being seen as a trivialization of genocides and an anti -Semitic narrative. Given the growing pressure, Musk eliminated the publication, but the damage already seemed done: historians, human rights organizations and thousands of users They condemned him for giving visibility to historical distortion. Political ties and affinity. The truth is that it was not the first time that Musk faced accusations for sharing or supporting controversial content on his network. Also, for example, supported an anti -Semitic postwhich led to a massive leakage of advertisers of the platform. In another case he generated controversy by suggesting that it was “strange” that no one would have tried Killer the former president Biden Oa Kamala Harris, shortly after the trump murder attempt in the elections. In addition, Musk has openly shown sympathy for Right and extreme right leaders worldwide. He has praised and backed figures such as Javier Milei (Argentina), Jair Bolsonaro (Brazil) and Narendra Modi (India), all leaders in countries where he has commercial interests. Recently, he even offered A platform to the ultra -rightist Alternative for Germany (AFD), organizing A Town Hall Online With your chancellor candidate. Unions and organizations in arms. No doubt, the apology message was perceived as an attack on public sector workers in the United States aligning with Musk’s rhetoric against the federal government. In recent months, he has accused public employees of hiding fraud and waste resources, encouraging that give up their positions. The Public Employee Union (AFSCME) strongly rejected the publicationarguing that public servants such as nurses, firefighters, teachers and librarians cannot be compared to genocides. In turn, the Anti -Diffamation League (ADL) described Musk’s action as “Disturbing and irresponsible”since it contributes to minimizing historical crimes and encouraging dangerous narratives. Musk defended himself alleging that his critics were the true allies of Nazism and suggested that there was a conspiracy against him. A strange dismissal. Shortly after, it was made public The last “cut” that has taken the firm of Musk. It all started last February 3When Musk published in X a message stating that 18F, an unknown office of the US government dedicated to technological services, it had “eliminated.” His tweet was an answer to A publication by Alex Lorussoa right -wing activist and producer of conservative influencer Benny Johnson, who falsely said that 18F was a group of extreme left in charge of making bureaucrats prepare the tax statements of citizens. What seemed like a harmless comment on social networks unleashed confusion and alarm within 18F, as we said, an unknown agency that works on technological projects to improve government efficiency and, paradoxically, to reduce costs. The employees did not know if the office had really been dissolved, what would happen to their ongoing projects and/or how to respond to other agencies that depended on their work. The definitive closure. As The Guardian told This weekend, already in March, weeks after Musk’s controversial tweet, 18F employees received an email at 1:00 am notifying them that they would be fired and that the office would close. The order came from the high levels of government and the administration of general services (GSA), the agency that supervised 18F. The official motive given by the government was that employee’s time costs They were too high and that hiring external consultants would be cheaper. However, 18F ex -women and GSA current employees pointed out that this explanation was false, since the office saved money by avoiding unnecessary contracts with private companies. Obvious, many suspect that the closure was A political decision promoted by Musk and its anti -government ideology. Disinformation. As in the case of the publication of the Defense to dictators18F is Another example of what seems like a recurring pattern in the way Musk handles X. Since he acquired the platform, he has used his influence to amplify messages from the radical right and attack government institutions. His tweet on 18F was an example of how misinformation in social networks can translate into real and harmful actions within the government. Lorusso, activist whose tweet Musk amplified, was A nearby collaborator of his political campaign and has worked as Consultant paid for your Super Pac. His post over 18F was denied by X itself, which clarified that the agency did not prepare taxes, but had developed a free platform in the shadow for citizens to They will present their statements without paying third parties. Hence, the disappearance of 18F seems to fit with the objective of Musk to dismantle state structures in favor of private solutions, even when the data shows that the agency saved money to taxpayersas he pointed out The Guardian. In addition, the danger of misinformation in media figures networks, where one day the story is modified by spreading dangerous narratives, and others end up closing offices with all their workers. Image | Heinrich Hoffmann, Ministrium of communication In Xataka | In his efforts to cut and fire workers in the US, Elon Musk has gone one step further: Italy In Xataka | Murphy’s law conspires against Elon Musk: if something has been able to happen to their companies this week, it has happened

tricks and checks to solve it if they are heard too low

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You’re going to call someone and it seems that the sound is not heard well, and Hey the other person very low. Is it a matter of volume or is a mobile problem? We are going to tell you a handful of tricks and checks that you can do on your mobile to try to solve it. These are fast checks that you can do to verify that everything works well, or that there is simply not a poorly activated option. We will start with the ones you can do while you are talkingand then we will give you other advice. Because it is always very frustrated trying to someone and that it seems that you do not hear this other person. With these tests and tricks you can solve small malfunctions and verify that it is not nonsense what is happening. And if then it continues to work badly or detect that it is a problem of any of the components, then you can think to send it to the technical service to repair it. What can you do while you’re talking We will start telling you several checks that You can do while you are on the call without having to hang the other person. They are quite fast checks, with which to check disasters or that there is something connected in a bad way. Check the volume of the speaker This must be something impulsive that our own inertia leads us to verify. If the volume of a call seems not to be correct, the first thing is Check the volume of the speaker With the physical buttons of your mobile. These side buttons that your mobile has to control the volume They also adjust the sound of the call While you’re talking. Therefore you do not have to hang, simply click on the volume button and look at the screen indicator. If I was very low and now it sounds good, you know that it was the problem. Check where the sound comes from When you make a call and you have connected bluetooth headphones, the sound goes through these headphones. And when you have nothing connected, you can make the call normal or with hands free. Therefore, the second to check is Where is the sound coming out In that call you are making right now. You can do this while you call. On an iPhone and on some Android, on the same phone application screen while llamas you can have a button to check or change the audio output. And if not, you can go to the Bluetooth settings and see if the headset is connected and that’s why you hear anything by the speaker. These are honest errors that have ever happened to us all. When we already know that this problem is a possibility we do it at the moment, but when we do not know you can have a few seconds of chaos. Look if you cover unintentionally the speaker or headset If these problems are having them since you have bought a new mobile case, Take the device out of it and check if the volume improves. If so, it may be that this cover is covering the audio output. You can do it even while you are in the call. It may also be that you are holding the mobile so that you are also covering the speaker or the microphone of your mobile. Distinguish where these slots are and be aware of how you have the mobile while you make the call. What to look at when you are not in a call Now, we are going to a few other checks that you can make When you are no longer in a call. They are also quick checks to verify that it is not an internal error of your phone. Restart your mobile Turn off and turn on, one of the universal resources to repair specific errors in operating systems and applications. Because if it is a punctual error, when restarting the mobile, the entire operating system will return to zero again, and it is possible that this error is not repeated. In the event that when you restart your mobile and make another call you realize that it continues to listen badly, at least you will know that it is not something punctual but an error that is being repeated. Check that there is no dirt Just as we have told you before you look if you are covering the headset while calling, now that you are not calling you can see if the speaker or headset It has dirt that is obstructing it. This dirt may appear due to the normal use of the device. Simply observe where the microphone and speaker slots are, and check that there is no dirt obstructing them. In the event that there is, proceed to clean them carefully. You can also Use a video that reproduces sounds on different frequencies designed to clear the water or dirt headset. Look for operating system updates And finally, if it seems to be a persistent error that is not solved with any of the aforementioned points, before taking it to the technical service you can Check if there is any operating system update of your mobile phone. When a manufacturer detects errors that are repeated on several devices, which can be failures in the operating system or in the hardware, they always try to patch them and apply solutions through system updates. That is why it is important to keep the mobile always updated, because if that failure you have in the call app is common, then they will apply a solution, In Xataka Basics | How to clean your in-oaric headphones or intrauricular in a safe and economical way

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