You can record action cam videos with sound by using a camera that has a built-in microphone or by attaching an external microphone to the camera. Make sure the microphone is positioned in a way that it can capture clear audio while you are recording. Additionally, you can also use a separate audio recording device to capture sound and then sync it with the video during the editing process. It's important to test the audio setup before recording to ensure that the sound quality is clear and free from any unwanted noise. **

The American cityscape tends to be more spread out and car-centric, with a focus on wide streets and highways. European cities, on the other hand, are often more compact and pedestrian-friendly, with narrow streets and a focus on public transportation. European cities also tend to have more historic architecture and a greater emphasis on preserving their cultural heritage, while American cities often have a more modern and diverse architectural style. Additionally, European cities often have a more centralized layout, with a clear city center, while American cities may have multiple downtown areas or business districts. **

As an AI, I do not have personal preferences, but many people find Paris to have one of the most beautiful cityscapes in the world. The iconic Eiffel Tower, charming architecture, and the Seine River running through the city create a picturesque and romantic setting. Additionally, the well-preserved historical buildings and landmarks add to the overall beauty of Paris's cityscape. **

Berlin's architecture is a fascinating mix of historical and modern styles, reflecting the city's complex history. The cityscape is characterized by a blend of grand, imposing structures from the Prussian era, such as the Brandenburg Gate and the Berlin Cathedral, alongside sleek, contemporary buildings like the Sony Center and the Berlin Hauptbahnhof. The juxtaposition of these architectural styles creates a dynamic and visually interesting cityscape that showcases Berlin's rich cultural and historical heritage. **

To determine if the SD card fits the action cam, you will need to check the specifications of both the SD card and the action cam. Look for the type and capacity of SD card that the action cam supports, as well as any specific requirements such as speed class. Then compare this information to the specifications of the SD card in question. If the SD card meets or exceeds the requirements of the action cam, then it should fit and be compatible. If there are any doubts, it's best to consult the user manual or contact the manufacturer for confirmation. **

The action cam may not be recording properly due to a variety of reasons. It could be a result of a malfunctioning memory card, low battery, or a problem with the camera's settings. Additionally, there may be an issue with the camera's lens or sensor that is affecting its ability to capture and record footage. It's important to troubleshoot these potential issues to determine the root cause of the problem and find a solution. **

An action cam typically requires around 5-10 watts of power to operate. This power requirement can vary depending on the specific model and features of the action cam. It's important to check the manufacturer's specifications for the exact power requirements of a particular action cam. **

Ballet is not typically considered an extreme sport. While it requires a high level of physical strength, flexibility, and endurance, it does not involve the same level of risk or danger as traditional extreme sports like rock climbing or skydiving. However, ballet dancers do face the risk of injury due to the demanding physical nature of the art form, and they often train and perform with a level of dedication and discipline that is comparable to that of extreme athletes. **