Why Camera Audio Lets You Down

The microphone built into a camera is designed for convenience, not for capturing a best man's punchline from eight metres away across a crowded room. In a marquee with a wooden floor and canvas walls, or a country house dining room with high ceilings and hard plaster, sound bounces around relentlessly. Add ninety guests laughing, cutlery on plates, wine being poured and a bar in the corner, and the words you actually want to remember end up buried under everything else.

Distance is the biggest culprit. Every time you double the space between a speaker and a microphone, the voice drops by roughly 6dB while the room noise stays much the same. Move from half a metre to two metres and the speech is suddenly four times quieter in relation to the chatter. That is why a lovely, cinematic wide shot of the top table often comes with audio that sounds like it was recorded in a swimming pool. The fix is not better camera settings — it is getting a microphone close to the person speaking.

Choose the Right Microphone for the Room

Most weddings do not need a broadcast kit, but they do need the right tool for the space. A few options work well in UK venues:

• Lapel (lavalier) microphone: the most reliable choice for speeches. Clipped to a tie or jacket lapel, it sits 15–20cm below the chin and picks up the voice with very little room noise. Modern wireless versions transmit to a receiver plugged into a recorder or camera.
• Handheld microphone: often supplied by the venue, DJ or toastmaster. Ask whether it has a line or auxiliary output you can feed into a separate recorder, so you capture a clean signal straight from the desk rather than through the air.
• Table or boundary microphone: useful on the top table when there is no PA system at all. Placed flat on the linen, it picks up everyone along the table, though it will also catch passing conversation.
• Shotgun or boom microphone: mounted on a stand just out of shot, angled down towards the speaker's mouth. Excellent for a fixed lectern position, less so for a speaker who wanders.

Positioning: Small Distances, Big Difference

Getting the microphone in the right place matters more than the model you buy. A few practical habits make an enormous difference:

• Keep a lapel mic 15–20cm from the mouth — high enough to avoid chest rumble, low enough to miss breath noise.
• Clip it to the outer edge of a jacket, away from a buttonhole, corsage or scarf that will rustle against it.
• Route the cable inside the jacket and tape the slack to the shirt, so movement does not thump through the recording.
• Move table microphones away from glassware, candles and cutlery. Clinking glasses two inches from a mic will dominate the track.
• For a stand-mounted mic, place it above head height and slightly off-axis, so it catches the voice without picking up the PA speakers behind it.
• Avoid placing any microphone directly in front of a speaker — that is where feedback lives.

Test Levels Before the Guests Arrive

This is the single step that separates a usable recording from a rescue job in the edit. Ask each speaker to come to the room thirty to forty-five minutes before guests arrive and run through their opening lines at the microphone. You are listening for two things: level and interference.

On the recorder, aim for peaks around -12dBFS. That leaves headroom for a sudden laugh or a shouted toast without clipping. Record at 24-bit, 48kHz WAV if the device allows it — the extra headroom gives you far more room to repair a quiet passage later.

Wear headphones while you test. Listen for the hum of dimmer switches, the drone of air conditioning, a fridge behind the bar, or the low buzz of a PA system earthed badly. Walk the room and check whether the mic picks up the kitchen door or the band's monitors. If a marquee has a generator nearby, you will hear it, and you would much rather know now than during the father of the bride's speech.

Plan the Speech Logistics With Your Venue

Good audio is as much about people as equipment. Before the day, confirm the running order with the venue, the toastmaster or the MC: who is speaking, in what order, and whether each person will use the PA or stand unamplified. In the UK, speeches are often held before the meal rather than after, which means a livelier, chattier room — so plan for a noisier capture and position microphones accordingly.

If the venue has a sound limiter, ask about it in advance. It can cut the PA mid-sentence, and knowing that lets you record from your own microphone instead of relying on the house system. Mark a discreet "speech spot" on the floor so each speaker stands in the same place, close to a fixed microphone, rather than drifting towards the cake table. Finally, ask the MC to give the room a moment to settle before each speech begins, and to hold applause until the speaker has finished rather than mid-sentence.

Redundancy: Always Record a Backup

Microphones fail, batteries die and wireless signals drop out. Assume something will, and cover yourself. Carry two recorders if you can, or at least a spare set of batteries, a spare SD card and a second microphone placed a few metres from the first. Keep the camera's own audio running as a safety track — poor audio is still better than silence if the primary source dies halfway through.

Check remaining recording time before the speeches begin, and never rely on a single device without monitoring it. With a microphone close to the speaker, levels tested in advance, and a backup quietly running in the background, you can relax and enjoy the moment — safe in the knowledge that every word will still be there when you come to edit it.