Fluxograma de como fazer uma transmissão simultânea para telão, de shows ao vivo.

Summary

In this video, the creator discusses the setup for live concert camera switching to screens, sharing their experience from a recent event. They detail the choice of cameras, including two NX5Rs for close-up shots and a Sony Alpha for wider stage views, all connected via SDI or wireless transmission. The video emphasizes the importance of equipment portability for travel, the use of a Blackmagic Design ATEM switcher, and the minimal latency achieved in the live feed to the screen. Additionally, the creator highlights the significance of clear communication during live events using high-quality intercom systems.

Takeaways

• 🎥 The speaker discusses setting up a simultaneous transmission system for concert screens, showcasing their personal setup experience from a recent event.
• 📸 The goal was to have three cameras to capture a double sertaneja performance, each with a specific plan and an overall stage view to show the rest of the band and the artists' counter-plans.
• 🔍 The speaker chose two NX5R cameras for their excellent zoom capabilities and built-in SDI output, which is beneficial for long-distance transmission and secure connections.
• 🌐 The NX5R cameras were connected via SDI cables, which are more reliable than HDMI for long distances and crowded concert environments.
• 📹 A Sony Alpha camera was used for the stage view, equipped with a 24-70 lens for quick framing and movement around the stage, transmitted wirelessly using a Hollyland Cosmo C1 transmitter.
• 🔌 The Sony Alpha camera's HDMI output was converted to SDI to maintain consistency with the other camera inputs, emphasizing the importance of using SDI for all camera feeds.
• 📺 The speaker used a portable 15-inch monitor for convenience during travel and to reduce the risk of damage to larger monitors during transit.
• 💻 The video feed from the cameras was managed through a Blackmagic Design ATEM Studio Television HD switcher, capable of handling multiple HDMI or SDI inputs.
• 🎨 The final program was sent to Resolume for further graphic integration and then to a video processor connected to the concert screen.
• 🚀 The importance of low latency in live performances was highlighted, with the speaker noting a minimal 4-frame delay from the switcher to the screen.
• 📡 Effective communication during the setup was facilitated by using an Eartec intercom kit, ensuring clear instructions between the camera operators and the director.

Q & A

What is the main topic of the video?

The main topic of the video is about setting up a simultaneous transmission for concert screens, discussing the equipment used and the process of setting up the camera connections to the switcher and the stage.

Why was the NX5R camera chosen for the setup?

The NX5R was chosen due to its excellent zoom capabilities, including a digital zoom that doesn't degrade the image quality when used moderately, and its SDI output which allows for secure and long-distance transmission.

What is the advantage of using SDI cables over HDMI cables in this context?

SDI cables offer a longer transmission distance and are more secure than HDMI cables. They also allow for a more secure connection as they can be tightly fastened at both the camera and the switcher, reducing the risk of disconnection.

Why was a cross-shot plan used for the cameras pointing at the artists?

A cross-shot plan was used to minimize the reflection of the screen on the artists' image and to better show the artists' mouth for lip-syncing, which is important for close-up shots on the screen.

What camera was used for capturing the stage and other musicians?

A Sony Alpha camera was used for capturing the stage and other musicians due to its lightweight and small size, which is suitable for quick movements around the stage.

How was the Sony Alpha camera's signal transmitted to the switcher?

The Sony Alpha camera's signal was transmitted wirelessly using a Hollyland Cosmo C1 transmitter, which converted the HDMI signal to SDI for compatibility with the switcher.

What switcher was used in the setup and why was it chosen?

The Blackmagic Design ATEM Studio Television HD switcher was used because it can handle both HDMI and SDI inputs, allowing flexibility in connecting different types of cameras.

What was the role of the portable 15-inch monitor in the setup?

The portable 15-inch monitor was used for the switcher operator to preview and control the camera feeds due to its portability and ease of use in a live setting.

How did the video signal from the Resolume computer reach the concert screen?

The video signal from the Resolume computer was sent to the concert screen via an HDMI output that was connected to the venue's video processor, which was already linked to the screen.

What was the latency observed between the switcher cut and the image appearing on the concert screen?

The latency observed was minimal, with the image appearing on the concert screen after just 4 frames, which is considered very good for a live setting.

Why is communication so important in a live concert setup?

Communication is crucial for coordinating the actions of the camera operators, the switcher operator, and other crew members, ensuring that everyone is on the same page and can respond quickly to changes during the live event.

What advice is given regarding the choice of intercom system for live shows?

A high-quality intercom system is recommended for live shows due to the high ambient noise levels. It should be capable of clear communication, and ear protectors should be used by camera operators to better understand directions.