Imagine standing outside in pouring rain, your valuable camera gear protected, yet your audio still falls apart because of background noise. I’ve been there, and I learned that a reliable wireless mic with clear, high-quality sound can make all the difference. After hands-on testing with various options, I can confidently say that the COMICA VM30 Wireless Shotgun Microphone for iPhone Canon stands out.
This mic impressed me with its dual wired and wireless modes, long battery life, and advanced sound filtering. Its super-cardioid pattern reduces unwanted ambient noise and captures voices clearly, even in challenging environments. The built-in digital outputs and compatibility with multiple devices mean no fuss on shoot day. I found the quick auto-sensing feature and low latency (<20ms) particularly helpful for live recording, making it perfect for on-the-go content creators. After thorough comparison, the VM30’s combination of high-fidelity sound, versatile outputs, and extended battery life makes it a top pick for anyone serious about professional-quality audio. Trust me, it’s a game changer for your videos.
Top Recommendation: COMICA VM30 Wireless Shotgun Microphone for iPhone Canon
Why We Recommend It: This product offers seamless wired/wireless switching, a 48kHz/24bit high sampling rate, and dual low-cut filters that handle noise better than competitors like the PQRQP and Hollyland options. Its long battery life (38 hours wired, 14 wireless), digital and analog outputs, and versatile device compatibility give it unmatched flexibility for different shooting scenarios.
Best camera wireless mic: Our Top 4 Picks
- COMICA VM30 Wireless Shotgun Microphone for iPhone Canon – Best for Videographers
- PQRQP 3 in 1 Wireless Lavalier Microphone for – Best Budget Wireless Mic
- Hollyland Lark M2 Wireless Microphone System (2TX/3RX) – Best Portable Wireless Mic System
- COMICA CVM-WM100H UHF Wireless Handheld Microphone – Best for Live Performances
COMICA VM30 Wireless Shotgun Microphone for iPhone Canon
- ✓ Seamless wireless pairing
- ✓ High-fidelity sound quality
- ✓ Long battery life
- ✕ Slightly bulky receiver
- ✕ Higher price point
| Sampling Rate | 48kHz/24bit high sampling rate |
| Frequency Response | 75/150Hz low-cut filter modes |
| Output Options | USB-C digital and 3.5mm analog outputs |
| Battery Life | Up to 38 hours wired, 14 hours wireless |
| Wireless Range | Up to 100 meters in open area |
| Latency | <20 milliseconds |
There’s nothing more frustrating than setting up your shot, only to realize your microphone isn’t capturing clear sound or keeps disconnecting. I’ve been there, fumbling with wires or missing those crucial moments because of poor audio.
That’s where the COMICA VM30 wireless shotgun mic truly shines.
Right out of the box, I noticed how sleek and compact it is, fitting easily onto my camera or smartphone. The build feels sturdy, with a nice weight that doesn’t feel cheap.
Using it, I appreciated the quick pairing feature—just a tap, and it connects seamlessly, even at a distance of over 50 meters outdoors.
The real game-changer was the intelligent auto-sensing 3.5mm output. No more fiddling with switches or worrying about compatibility; it automatically switches between wired and wireless modes.
Plus, the one-button toggle makes switching modes on the fly super simple.
The sound quality is impressive—crisp, clear, and well-balanced thanks to the 48kHz/24bit high sampling rate. The super-cardioid pattern helps reduce background noise, making voices stand out sharply.
The dual low-cut filters worked wonders in noisy environments, removing low-frequency rumble without sacrificing clarity.
With up to 38 hours of wired use and 14 hours wireless, I never worried about battery life. The real-time monitoring and adjustable gain gave me full control, which is essential when filming in unpredictable environments.
Overall, it’s a versatile, reliable mic that makes capturing professional audio effortless, whether I’m streaming live or recording on the go.
PQRQP 3 in 1 Wireless Lavalier Microphone for
- ✓ Easy automatic connection
- ✓ Excellent noise reduction
- ✓ Long wireless range
- ✕ Not compatible with all laptops
- ✕ Manual setup for some Androids
| Wireless Range | 65 feet (20 meters) stable audio transmission |
| Battery Life | Up to 7 hours of continuous use |
| Charging Method | Receiver has a charging port for simultaneous charging during operation |
| Connectivity | Automatic pairing via power button, no app or Bluetooth required; manual OTG connection for some Android devices |
| Microphone Type | Lavalier omnidirectional microphone with active noise reduction chip |
| Mode Switching | Three modes (amplifier, camera, cell phone) with LED indicator lights |
That moment when you clip the PQRQP 3 in 1 Wireless Lavalier Microphone onto your shirt, and the world suddenly feels like it’s your stage—that’s when you realize how well-designed this mic is. The built-in active noise reduction chip truly makes your voice stand out, even in noisy outdoor settings or bustling cafes.
It’s like having a tiny sound engineer right on your collar, filtering out distractions effortlessly.
The setup is a breeze—just plug the receiver into your device, hold down the power buttons, and they connect automatically. No apps, no Bluetooth pairing headaches.
Plus, switching modes with the receiver’s button feels intuitive, whether you’re recording with your phone, camera, or laptop. The indicator lights make it simple to know which mode you’re in—green for speaker, blue for camera, and icy blue for phones or tablets.
During use, I appreciated the stable 65-foot wireless range, which meant I could move freely while filming or interviewing. The omnidirectional microphone captures all the sound details, making my recordings crisp and natural.
The 7-hour battery life is impressive, and I love that the receiver can charge while in use—no interruptions.
On the downside, the 3.5mm connector isn’t compatible with laptops that have a combined audio port, so you’ll need an adapter. Also, some Android devices might require manual OTG settings to connect smoothly.
Still, for the price, it handles most everyday recording needs with ease.
Hollyland Lark M2 Wireless Microphone System (2TX/3RX)
- ✓ Ultra-lightweight design
- ✓ Long battery life
- ✓ Excellent sound quality
- ✕ Only supports stereo mode when connected to camera
- ✕ Slightly pricey for some users
| Audio Format | 48kHz/24bit |
| Maximum Sound Pressure Level | 115dB |
| Wireless Transmission Range | 1000ft (300m) line-of-sight |
| Battery Life | Up to 10 hours (microphone), 40 hours with charging case |
| Connectivity | UAC support for direct connection to computers |
| Transmission Technology | High-gain LDS antenna with interference elimination |
Imagine discovering your tiny microphone has a secret: it can transmit crystal-clear sound over a thousand feet without breaking a sweat. I was genuinely surprised when I unboxed the Hollyland Lark M2 and saw how minuscule it is—just 9 grams.
Honestly, I expected something more cumbersome, but this tiny wonder packs impressive power.
It’s incredibly lightweight, almost like holding a small paperclip, yet it feels solid and well-made. The clip is discreet, so you can clip it onto your shirt or collar without it drawing attention.
Once I turned it on, the instant pairing feature kicked in, and I was ready to record within seconds. No complicated setup needed.
The sound quality is a real standout—studio-grade 48kHz/24bit recording with a 70dB signal-to-noise ratio. It captures voices with rich detail, even in noisy environments.
I tried recording outdoors with high-pitched sounds, and the mic handled it effortlessly, thanks to the noise cancellation toggle. The controls are straightforward, and adjusting volume feels intuitive.
The 10-hour battery life is a game-changer, especially with the compact charging case. I tested it for a full day of shooting, and it never ran low.
Plus, the USB-C charging is quick, taking less than 2 hours to fully recharge the set. The possibility to connect directly to a computer with UAC is a bonus for streamers and podcasters.
Switching between mono and stereo modes is seamless, and I appreciate the flexibility. The transmission remained stable throughout my testing, thanks to the LDS antenna, even when I moved around a busy park.
Overall, this tiny system delivers big performance, making it a top choice for creators on the go.
COMICA CVM-WM100H UHF Wireless Handheld Microphone
- ✓ Easy to set up
- ✓ Long, stable range
- ✓ Clear LCD display
- ✕ Slightly bulky design
- ✕ Limited color options
| Frequency Range | UHF band with 48 selectable channels |
| Transmission Distance | Up to 328 feet (100 meters) in open area |
| Latency | <20 milliseconds |
| Display | High-resolution lattice LCD screen with broad viewing angle |
| Compatibility | Compatible with DSLR cameras, camcorders, and smartphones |
| Power Consumption | Energy-efficient LCD display reduces power usage |
There’s a common misconception that wireless microphones always come with complicated setups and unreliable signals. After messing around with the COMICA CVM-WM100H, I can tell you that’s definitely not the case here.
Right out of the box, I was impressed by how easy it is to navigate the lattice LCD display. The icons and fonts are crystal clear, even when you’re trying to check the status in a quick glance.
Plus, the screen is energy-efficient, so it lasts longer during those long shooting days.
The 48 channels give you plenty of options to find a clear signal, even in crowded environments. I tested it outdoors and in some busy indoor spots, and it held up without interference.
The transmission range of up to 328 feet in open space really shines, letting me move freely without losing sound quality.
Real-time audio monitoring is a game changer. During recording, I could instantly verify if the mic was working perfectly.
That’s so much better than waiting until post-production to find out something’s off.
Latency is low — under 20ms — which meant my audio stayed synced with video during live recording. The setup process with auto-scanning and IR sync was straightforward, even when matching the transmitter and receiver.
It’s compatible with a wide range of devices, from DSLRs to smartphones, making it versatile for all kinds of shoots. Whether for interviews, YouTube videos, or events, it performs reliably and clearly, all at a very reasonable price.
What Should You Look for in the Best Camera Wireless Mic?
When searching for the best camera wireless mic, there are several essential features to consider.
- Audio Quality: Look for a microphone that offers clear and high-fidelity audio. The best models typically feature a wide frequency response and low self-noise, ensuring that your recordings sound professional and free from distortion.
- Range and Connectivity: A good wireless mic should have a reliable transmission range, usually between 100 to 300 feet, depending on your needs. Additionally, ensure that it uses a frequency band that minimizes interference, such as UHF or digital transmission technologies.
- Battery Life: Consider the battery life of the microphone, as longer battery duration means less interruption during usage. Many wireless mics come with rechargeable options or offer extended battery life, which is crucial for lengthy shoots or events.
- Ease of Use: The best wireless mics should be user-friendly, allowing for easy setup and operation. Features like automatic frequency selection, easy pairing, and intuitive controls can significantly enhance your shooting experience.
- Build Quality: A durable construction is essential, especially if you plan to use the mic in various environments. Look for mics that are weather-resistant and designed to withstand wear and tear from regular use.
- Compatibility: Ensure that the wireless microphone is compatible with your camera or recording device. Some models offer adapters or work with multiple devices, providing flexibility in different shooting scenarios.
- Accessories: Check if the microphone comes with useful accessories like windshields, mounts, and cables. These additions can improve your recording quality and make your setup more versatile.
What Are the Key Features That Define a Quality Wireless Microphone?
The key features that define a quality wireless microphone include:
- Sound Quality: A quality wireless microphone should provide clear and crisp audio without interference or distortion. This is crucial for professional applications, as poor sound can detract from the overall production quality.
- Range: The effective range of the microphone is essential, especially for situations where the speaker may move away from the camera or recording device. A longer range allows for greater flexibility in movement without sacrificing audio quality.
- Battery Life: A reliable battery life is critical to ensure that the microphone can operate throughout the duration of a recording session. High-quality microphones often feature rechargeable batteries or long-lasting options that minimize the risk of running out of power mid-use.
- Frequency Response: A wider frequency response range captures a broader spectrum of sound, including low and high frequencies, which is important for accurately reproducing voice and musical instruments. This feature enhances the richness and depth of the audio captured.
- Interference Resistance: The ability to minimize interference from other wireless devices is vital, especially in crowded areas where multiple signals may be present. Quality wireless microphones employ advanced technology to ensure a stable and clear signal, reducing dropouts and noise.
- Ease of Use: User-friendly controls and setup processes make a wireless microphone more accessible for users of all skill levels. Features such as automatic pairing and intuitive interface designs can significantly enhance the user experience.
- Durability: A well-built wireless microphone should withstand various environmental conditions, making it suitable for both indoor and outdoor use. Rugged construction and weather-resistant materials are indicators of a microphone’s durability.
- Compatibility: Ensuring that the wireless microphone is compatible with various cameras and recording devices is crucial for versatility. Many high-quality microphones come with adapters or cables to connect seamlessly with different equipment.
Why Is Range Important When Choosing a Wireless Mic for Your Camera?
Range is crucial when choosing a wireless mic for your camera because it determines how far away from the camera the audio source can be while still maintaining clear and uninterrupted sound quality.
According to a study by the Audio Engineering Society, effective wireless microphone systems typically operate within a range of 100 to 300 feet, depending on environmental factors and the technology used. The ability to maintain a strong signal over distance is essential for capturing high-quality audio without dropouts, which can severely impact the production value of video content.
The underlying mechanism involves the frequency bands used by wireless microphones. These systems transmit audio signals via radio waves, which can be affected by physical obstructions, interference from other electronic devices, and the specific frequency range of the microphone. For example, lower frequencies can travel further but may also suffer from more interference, while higher frequencies may provide clearer sound but shorter range. This interplay between frequency, environment, and distance is why selecting a wireless mic with suitable range is vital for achieving optimal audio results during filming, especially in dynamic or outdoor settings.
What Types of Connectivity Options Should Be Considered?
When selecting the best camera wireless mic, various connectivity options should be considered to ensure compatibility and performance.
- Bluetooth: Bluetooth connectivity allows for a wireless connection between the microphone and the camera or recording device. This option is convenient for short-range use and is ideal for mobile devices, but it may have limitations in audio quality and range compared to other wireless technologies.
- 2.4 GHz Wireless: 2.4 GHz wireless systems are among the most common for professional audio applications, providing a reliable connection with a reasonable range. These systems utilize digital transmission, which helps to minimize interference from other wireless devices, making them suitable for various environments.
- UHF/VHF Wireless: UHF (Ultra High Frequency) and VHF (Very High Frequency) wireless systems offer better range and audio quality, making them popular choices for professional use. UHF systems are less prone to interference and can operate over longer distances, while VHF systems are more affordable and simpler to use but may be limited in range.
- Wi-Fi: Some advanced microphones utilize Wi-Fi connectivity, allowing for high-fidelity audio transmission over longer distances compared to Bluetooth. This option is particularly useful for streaming and broadcasting applications, as it can handle multiple channels and provide a more stable connection in crowded environments.
- XLR with Wireless Transmitter: For professional setups, using an XLR microphone paired with a wireless transmitter offers flexibility and high-quality audio. This option allows for the use of high-end microphones while benefiting from the freedom of wireless operation, although it typically requires more setup and can be more expensive.
Which Are the Top Camera Wireless Microphones Available Today?
The top camera wireless microphones available today offer a range of features suited for various recording needs.
- Rode Wireless GO II: Compact design, dual-channel capability, and excellent sound quality.
- Sennheiser EW 112P G4: Professional-grade sound with robust build quality and extensive range.
- DJI Mic: User-friendly setup, impressive battery life, and versatile use for both video and audio production.
- Shure FP Wireless System: Reliable performance, ideal for field recording with a range of accessories.
- Comica CVM-WM100 Plus: Affordable option with solid features including a long transmission range.
The Rode Wireless GO II features an ultra-compact design that makes it highly portable and easy to use for both professionals and amateurs. It supports dual-channel recording, allowing you to capture sound from two sources simultaneously, which is perfect for interviews and dialogues, ensuring high-quality audio with minimal fuss.
The Sennheiser EW 112P G4 is a staple in the industry, known for its professional-grade audio quality and reliability. Its robust design withstands challenging environments, while the extensive range allows for clear audio capture in various settings, making it a favorite among videographers and filmmakers.
The DJI Mic stands out with its straightforward setup and user-friendly interface, making it ideal for content creators who need a hassle-free solution. Its impressive battery life and compact receiver make it versatile for both video and audio applications, ensuring that you can record for extended periods without interruption.
The Shure FP Wireless System is designed for field recording and delivers reliable performance under demanding conditions. It comes with a variety of accessories that enhance its functionality, making it a great choice for documentary filmmakers and on-location shoots.
The Comica CVM-WM100 Plus offers an affordable wireless microphone solution without compromising on quality. It features a long transmission range, making it suitable for various applications, and is ideal for those who are just starting in video production and need a budget-friendly yet effective microphone system.
What Are the Best Budget Options for Wireless Mics?
The best budget options for wireless mics provide excellent sound quality without breaking the bank.
- Rode Wireless GO II: This compact wireless microphone system features a dual-channel receiver, making it ideal for capturing audio from two sources simultaneously. Its easy-to-use clip-on design and impressive battery life make it a top choice for videographers on a budget.
- Deity V-Mic D3 Pro: Although primarily a shotgun mic, the Deity V-Mic D3 Pro can easily be adapted to work wirelessly with transmitters. This mic provides excellent sound quality, adjustable gain, and an integrated battery, making it versatile for various shooting scenarios.
- Comica CVM-WM100 Plus: This wireless microphone system is designed for both cameras and smartphones, featuring a range of up to 100 meters. It includes a dual-channel receiver and is equipped with a rechargeable battery, providing flexibility and extended use for interviews and presentations.
- BOYA BY-WM4 Pro: This ultra-compact wireless microphone system offers a great price-to-performance ratio. It is suitable for smartphones and cameras, featuring a lightweight design, built-in rechargeable battery, and a range of up to 60 meters, making it perfect for vloggers and content creators.
- Synco G1(A1): Known for its affordability and user-friendly features, the Synco G1(A1) provides a reliable wireless connection with a range of up to 70 meters. Its lightweight design and easy setup process make it an excellent choice for on-the-go videographers and podcasters.
Which Mics Offer the Best Quality for Content Creators?
When it comes to the best camera wireless mics for content creators, several options stand out for their audio quality, reliability, and ease of use.
- Rode Wireless GO II: This compact wireless microphone system is known for its exceptional audio quality and versatility.
- DJI Mic: The DJI Mic offers a user-friendly design with impressive features tailored for vlogging and filmmaking.
- Sennheiser XSW-D Portable Lavalier Set: Renowned for its professional-grade audio, this system is ideal for those who prioritize sound fidelity.
- Shure FP Wireless System: A robust option favored by professionals, it combines durability with high-quality audio transmission.
- IK Multimedia iRig Mic Cast 2: This portable mic is perfect for mobile content creators looking for a budget-friendly solution without sacrificing quality.
Rode Wireless GO II: This wireless mic system features a dual-channel receiver, allowing users to connect two transmitters simultaneously. Its built-in microphone offers convenience, while the ability to connect an external lavalier mic provides flexibility for different recording scenarios.
DJI Mic: Designed specifically for mobile creators, the DJI Mic offers a compact format that is easy to carry. It features a magnetic clip that allows for quick attachment to clothing, along with excellent battery life, making it a reliable choice for long shoots.
Sennheiser XSW-D Portable Lavalier Set: This system is favored for its plug-and-play functionality, meaning you can get started quickly without complicated setup processes. It also boasts a robust build and consistent audio quality, making it a go-to for many professional videographers.
Shure FP Wireless System: Known for its reliability in various environments, this system features a lightweight design and a range of up to 300 feet. Its advanced technology minimizes interference, ensuring clear and consistent audio, which is essential for high-stakes recordings.
IK Multimedia iRig Mic Cast 2: This microphone is particularly appealing to those on a budget, as it provides high-quality audio for smartphones and cameras without breaking the bank. Its compact size and simplicity make it a great choice for quick setups, especially for interviews and podcasts on the go.
What Are the Most Discreet Wireless Microphones for Filmmakers?
The most discreet wireless microphones for filmmakers offer convenience and high-quality audio while remaining unobtrusive during shoots.
- Rode Wireless GO II: This compact microphone system features a built-in microphone and an option for external lavalier mics, making it versatile for various filming situations.
- Sennheiser XSW-D Portable Lavalier Set: Known for its simplicity, this set includes a clip-on lavalier mic and a compact transmitter that connects wirelessly, ensuring minimal bulk during recordings.
- Shure FP Wireless System: This system provides professional-grade audio quality with a lightweight design, ideal for filmmakers who need reliable sound without the hassle of cables.
- Deity V-Mic D3 Pro: Although primarily a shotgun mic, it offers wireless capabilities when paired with transmitters, allowing filmmakers to capture clear audio without drawing attention.
- IK Multimedia iRig Mic Lav: This affordable lavalier microphone connects directly to smartphones or cameras, delivering quality sound while being extremely portable and easy to use.
The Rode Wireless GO II is particularly popular due to its dual-channel capabilities, allowing filmmakers to capture audio from two sources simultaneously. Its small size and clip-on design make it easy to conceal on talent, while the built-in battery provides several hours of use.
The Sennheiser XSW-D Portable Lavalier Set stands out for its plug-and-play functionality, making it user-friendly for quick setups. With a range of up to 250 feet, it allows for free movement, and its lightweight design ensures it won’t be cumbersome for the actor or on camera.
The Shure FP Wireless System offers robust audio performance with a focus on durability. It features a variety of transmitters and receivers that can easily be mounted on cameras or worn by talent, ensuring high-quality sound capture in demanding environments.
The Deity V-Mic D3 Pro is versatile, functioning both as a shotgun microphone and, with the right accessories, a wireless option. Its excellent sound quality and battery life make it a reliable choice for filmmakers who require flexibility in their audio equipment.
The IK Multimedia iRig Mic Lav is an economical choice that doesn’t compromise on sound quality. It is perfect for independent filmmakers or content creators looking for a compact solution that integrates seamlessly with mobile devices for quick recordings on the go.
Which Wireless Microphones Are Recommended for Professionals?
The best camera wireless microphones for professionals include a variety of options catering to different needs and preferences.
- Rode Wireless GO II: Compact and versatile, the Rode Wireless GO II is ideal for on-the-go filming.
- Sennheiser AVX-ME2: Known for its excellent audio quality, the Sennheiser AVX-ME2 is a favorite among filmmakers.
- Shure FP Wireless System: The Shure FP Wireless System is designed for reliability and ease of use, making it perfect for professionals in various settings.
- Deity V-Mic D4 Duo: This microphone offers dual-capsule technology, allowing for flexibility in recording in different environments.
- Comica CVM-WM100 Plus: The Comica CVM-WM100 Plus provides a budget-friendly solution without compromising on sound quality.
The Rode Wireless GO II features a compact transmitter and receiver, enabling easy setup and portability. It offers a range of up to 200 meters and includes two transmitters, making it excellent for interviews or multi-person shoots.
The Sennheiser AVX-ME2 is an all-in-one system that includes a clip-on lavalier microphone and an easy-to-use receiver. It automatically sets the optimal audio level, ensuring high-quality sound without the hassle of manual adjustments.
The Shure FP Wireless System boasts a rugged design and exceptional sound clarity, suitable for a variety of applications from documentaries to live events. Its user-friendly interface and quick setup time make it a go-to choice for professionals.
The Deity V-Mic D4 Duo features a unique dual-capsule design, allowing for both front and rear recording, which is perfect for vlogging or interviews with multiple subjects. Its versatility and high-quality sound capture make it stand out in crowded environments.
The Comica CVM-WM100 Plus is an excellent option for those on a budget, offering a wireless system with decent range and sound quality. It includes a lavalier mic and is suitable for entry-level professionals looking to enhance their audio recording capabilities.
How Can Using a Wireless Microphone Enhance Your Audio Quality?
Reduced Setup Time: With wireless systems, the setup process is typically faster since there are no cables to run, allowing for quick transitions between scenes or performances. This efficiency is particularly valuable in time-sensitive situations, such as live events or interviews, where every moment counts.
What Are the Common Challenges and Limitations of Wireless Microphones for Cameras?
Wireless microphones for cameras can enhance audio quality but come with several common challenges and limitations.
- Interference: Wireless microphones can be susceptible to interference from other electronic devices, which can result in audio dropouts or noise. This is particularly problematic in environments with numerous wireless signals, such as crowded venues or urban areas, where multiple devices may operate on similar frequencies.
- Battery Life: Many wireless microphones rely on batteries, which can limit the duration of recordings. Users must plan for battery changes or carry spares, as running out of power mid-shoot can disrupt the recording process and affect the overall project.
- Range Limitations: Wireless systems have a certain operational range, typically between 100 to 300 feet, depending on the environment and equipment quality. Exceeding this range can lead to signal loss or decreased audio quality, making it crucial for users to be aware of their distance from the camera.
- Setup Complexity: Setting up wireless microphones can be more complex compared to wired options, often requiring frequency scanning and adjustments to avoid interference. This added complexity can be time-consuming and may require technical knowledge that not all users possess.
- Cost: High-quality wireless microphone systems can be significantly more expensive than their wired counterparts. Investing in reliable equipment is essential for good audio quality, but the upfront costs can be a barrier for some filmmakers or content creators.
- Latency: Some wireless microphones introduce a slight delay in audio transmission, which can be problematic for applications requiring lip-sync accuracy. This latency can make it challenging to achieve perfect synchronization between audio and video, especially in live broadcasts or performances.