你的许多设备使用蓝牙进行无线通信。但蓝牙是如何工作的呢？在科普短片《蓝牙是如何工作的? How does Bluetooth Work? 2021》中，我们将深入了解你的智能手机如何将音频发送到你的无线耳机。蓝牙相当复杂，因此我们将使用多种类比和工具来完全解释它。
科普短片《蓝牙是如何工作的? How does Bluetooth Work? 2021》
A ton of your devices use Bluetooth to communicate wirelessly. But how does Bluetooth work? In this video, we’ll dive into the details of how your smartphone sends audio to your wireless headphones. Bluetooth is rather complicated and thus we’re going to use a number of analogies and tools to explain it fully.
目录 Table of Contents:
- 00:00 – 蓝牙是如何工作的？How does Bluetooth Work?
- 00:37 – 交通信号灯 Traffic Lights
- 01:26 – 2.4GHz频谱 2.4GHz Spectrum
- 02:44 – 蓝牙可视化的问题 Issues with the Bluetooth Visualization
- 05:56 – 蓝牙背后的细节 Details behind Bluetooth
- 07:30 – 蓝牙数据包 Bluetooth Packets
- 08:27 – 频率跳变扩频技术 Frequency Hopping Spread Spectrum
- 10:58 – 2.4GHz频谱中的噪音 Noise in the 2.4GHz Spectrum
- 13:05 – 蓝牙信号完整性 Bluetooth Signal Integrity
- 14:21 – 赞助片段 Sponsored Segment
- 15:33 – 频率移位键控和相位移位键控 Frequency Shift Keying & Phase Shift Keying
- 18:16 – 更多关于调度和数据包的细节 More Details on Scheduling & Packets
- 20:43 – 结尾 Outro
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