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The Art of iPhone Review: A Step-by-Step Buyer's Guide for Apple Lovers

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Shakenal Dimension

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“Sound performance The sound quality depends on how well the codec can reproduce different recording situations. However, different people may hear the sound differently 1. Pitch, principles: The performance is better when the codec can restore different recording situations more accurately. 2. Loudness, principles: The performance is better when the codec can restore different recording situations more accurately.) 3. Tone color : ① Frequency range (principle: The codec can cover the range of frequencies that humans can hear, which is from 20 Hz to 20,000 Hz. ②Response time (principle: the shorter the better, excellent threshold is 10ms.) ③The spatial effect (The best codec is the one that can create a realistic sound effect without distorting or losing any specific frequencies. It should also have a balanced ratio of sound quality and compression.) 4. Sense of space, the principle: The codec should be able to reproduce the sound as if it is coming from different distances and directions in the recording studio. 5. Tuning style, the principle: The codec should be able to capture the details of the sound, such as the resolution, the atmosphere, the balance and connection of the three frequencies (bass, midrange, and treble), and the vocals and instruments. The codec should also be able to match the original recording as closely as possible. If the codec has a different tuning style from the original recording, it is not necessarily worse, but it should still be clear and pleasant. If the codec has a better tuning style than the original recording, it is even better.”

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“The principle: The main components of a flagship device should be high-end, while other components can be mid-range or high-range, but not more than 30% of them. The device should not use low-end components that would affect its performance in some situations, especially those related to the core calculation and transport. Different companies have different abilities to negotiate with the suppliers, so the price does not reflect the quality of the materials used.”

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“Let's do an experiment. Half a meter away from the screen, observe a lady's hand and a photo of the lady's hand through a mobile phone screen with 2K and 4K resolution respectively. We can feel a huge difference in the visualization of the three scenes, not only between 4K and the eye, but also between 2K and 4K. That is because in the microcosm (we imagine the lady's hand as a display), the smallest unit of the lady's hand is the skin cells, compared with the smallest unit of the screen display pixels, which differ by several orders of magnitude. This leads to the composition of the macrocosm being like a two-way street. That is to say, under the condition of not being affected by vision and distance factors, when the ppi is continuously increased to infinitely close to the smallest constituent unit of the surface of the object, its visual effect will continue to converge to the real object, but there will always be a certain difference from the real object.”

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Book:The Art of iPhone Review: A Step-by-Step Buyer's Guide for Apple Lovers
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“Apple's iPhone A series chip has always been the strongest and most dominant in the mobile phone market, because Apple relies on this chip to lead the technology strategy. In the past, we did not care much about how powerful the A series chip was, but we felt that it could make the iPhone run very smoothly and efficiently in any situation. This means that the A series chip was always stronger than what the peak performance iPhone needed. However, this changed when the iPhone 11 series added the night mode feature. The A series chip could not handle the night mode processing fast enough, and it showed that it lacked enough computing power. This problem was not solved until the iPhone 14 pro series with the A16 chip.”

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“Apple is losing its grip on the IOS and iPhone ecosystems. One example is the bad experience of IOS killing the background apps, which shows that Apple is not planning and controlling the IOS ecosystem well. Another example is the sudden increase in RAM for different iPhone models, which creates a lot of fragmentation and confusion for developers and users. It also makes the iPhone less efficient and reliable. I remember the days when the iPhone had 1G RAM, and it could keep the app content even after restarting. But those days are gone and it's not over yet.”

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“The interaction with the phone: When you use the phone, you need to move your fingers to touch different parts of the screen. To make sure the phone does not slip or shake, you need to grip it harder. If you need to reach a far part of the screen, you need to push against the edge of the phone to stretch your finger. the smaller the thickness of the mobile phone, the easier it is to operate at a long-distance. These actions increase the pressure on your palm and fingers. The more you interact with the phone, the more uncomfortable your palm is.”

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Book:The Art of iPhone Review: A Step-by-Step Buyer's Guide for Apple Lovers
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