In the second part of our Understanding AV for Event Professionals blogs, Will Gregory, AV & IT Technician at Fitzwilliam College guides us through the equipment and its function:
Using Powerful PCs: The Benefits for AV and Event Production
When it comes to managing AV equipment, live streaming, and complex video presentations, using a powerful computer is essential. High-performance PCs provide the processing power needed to handle demanding tasks like real-time video encoding, multi-camera live streams, and running advanced presentation software. A fast, reliable PC ensures smooth transitions, quick rendering, and the ability to handle multiple inputs without lag or crashes.
Mac vs. PC: Which is Better for Events?
The choice between Mac and PC largely depends on your event's specific needs and the software you're using.
- Mac:
Known for its stability and seamless integration with creative software (like Final Cut Pro and Keynote), Macs are favored by many in the creative industries. They tend to handle high-resolution video editing and graphic design well, making them ideal for visually demanding events. - PC:
PCs, on the other hand, offer greater flexibility and customization options. They often provide more raw power for a lower price and can run a wider variety of software, especially for gaming or engineering-focused events. PCs also allow for easier upgrades, which is a plus for long-term use in AV setups.
Ultimately, both platforms can excel in event production, but the decision will depend on the specific technical requirements, budget, and software preferences of your AV team.
Audio Interface: Enhancing Sound Quality
An audio interface is a crucial piece of equipment in any AV setup, acting as the bridge between your microphones or instruments and the computer or sound system. It converts analogue audio signals into digital format for recording or broadcasting and ensures high-quality sound transmission.
Using an audio interface provides better control over input and output levels, reducing latency and improving sound clarity compared to built-in computer sound cards. It’s essential for events with multiple audio sources, such as live performances, panels, or hybrid conferences, where clean, professional sound is a priority.
- Up lighting:
A lighting technique where lights are placed on the ground and aimed upward to highlight architectural features or create ambience. Up lighting is often used to add dramatic effect to an event space. - Spotlight:
A focused light used to draw attention to a specific area or individual, such as a speaker or performer. Spotlights are key in creating a professional and theatrical atmosphere. - Live Streaming:
Broadcasting your event online in real-time, which is crucial for hybrid or virtual events. Live streaming can significantly expand your audience, allowing people to participate remotely.
Hearing Loops
A hearing loop, also known as an induction loop system, is an assistive listening technology that transmits sound to a wearer’s device. It reduces background noise and improves clarity in noisy spaces like events or conferences.
Types of Microphones:
- Handheld Microphone:
The most common type of microphone, typically used for speeches or performances. They can be wired or wireless, offering versatility for different events. - Lapel Microphone:
A small, clip-on microphone often used for presentations or interviews. Lapel mics are discreet and allow hands-free operation. - Shotgun Microphone:
A directional microphone that picks up sound from a specific area. They are often used in film, video production, or to capture audio from a distance while minimising background noise - Boundary Microphone:
Designed to be placed on a flat surface like a table or floor, these microphones are normally used for conferences and meeting rooms.
Mixer
A mixer is a device that blends sounds from microphones, instruments, or media and allows you to adjust the volume, tone, and effects for clear, balanced audio.
Analogue versus Digital Mixers
- Analogue mixers are easy to use and reliable, perfect for smaller events. They offer hands-on control with knobs and faders but lack built-in features like effects or pre-sets; they require manual adjustments for effects or settings. While they deliver excellent sound quality, they’re less suitable for managing complex audio setups.
- Digital Mixers, offer advanced features, converting sound into digital data for precise control. They include built-in effects, automation, and saveable pre-sets, ideal for large or recurring events. With more channels and routing options, they manage complex setups but do require deeper technical knowledge.
Video Wall versus Single Large Screen
A video wall is made up of multiple screens arranged to create a large display, offering flexibility in size and configuration. In contrast, a single large screen provides a unified display but may have size and resolution constraints. Choosing between them depends on your content and viewing needs.
Decoding the Jargon
AV terminology can be confusing. Here are some common terms you might encounter:
- PA System (Public Address System):
A general term that combines mixers, amplifiers and speakers to amplify sound. - Projectors:
Devices used to display images or videos on a large screen. The quality and brightness of a projector are crucial for ensuring your visuals are clear, especially in larger venues. - Projector Screen:
A screen used in conjunction with a projector to display video, presentations, or images. The size and type of the screen can affect the clarity and visibility of your content. - HDMI:
High-Definition Multimedia Interface, a modern cable that transmits high-quality video and audio from a source (like a laptop) to a display or projector. It's the standard for delivering crisp, clear images and sound.