ARTICLES \ AUDIO TIPS

Explore our collection of articles that demonstrate our expertise in the exciting world of sound! We’ve noticed that these topics can be useful for directors and videographers, so in each article you’ll find a tutorial to help explain what we mean.

If you work in audio post-production and have ever had to work on a project intended for broadcast on the other side of the Atlantic, you have probably been faced with the following problem: how do you convert audio files to meet the country’s broadcast standards? (…)

When we talk about OMF or AAF, what are we referring to? These are files that allow you to transfer audio clips from your video edit software to be sent to audio post. The position of the audio clips on the timeline is maintained and everything remains synchronized. It is even possible to preserve the entirety of the clips so that the mixer can change their duration. (…)

Have you ever had to deal with a new version of a Picture Lock after post-production sound has already begun, forcing the mixer or composer to manually sync everything to the new version? Today, we explain how EDL files can make your life easier in such situations. (…)

Today I’m talking about Tentacle Sync. What is it? Well, it’s a little box that allows you to generate time code to synchronize one or more cameras with one or more audio sources. How does it work? This little box can be installed on each of the cameras to make sure that I have the same clock in my recorder when I do the sound recording on the film sets. But the question that comes up all the time is how do I synchronize all my files when I’m editing? (…)

Conform Secondary Audio Recordings by Timecode – Backups, Placed Mics, and Recovery Situations

Some audio situations don't give you a clean, trimmed take for every scene. A backup recorder running continuously. A mic taped inside a car door with its own recorder because you couldn't run a cable to the cart. A safety rig in a location you couldn't physically...

What is a Sound Report and How Do You Generate One?

A sound report is a document that travels with your recorded audio files. It lists every take, describes the technical specifications of each file, and provides notes from the sound mixer. The editor and production office use it to understand what was recorded, which...

How to Edit bEXT Metadata in WAV Files

Every professional WAV file carries metadata — information embedded in the file header that describes the recording. The two standard metadata formats for broadcast and production audio are bEXT (Broadcast Wave Extension) and iXML. If your WAV files have incorrect,...

Broadcast Audio Delivery: 8-Channel WAV Spec Explained

If you've ever delivered audio to a television broadcaster, you know they have very specific requirements. One of the most common: a single 8-channel WAV file with a precise channel layout. This article breaks down what that means and how to build one. Why...

What is a Poly WAV File? How to Split and Manage Them

If you work in film, television, or live sound, you've probably encountered polyphonic WAV files — often called poly WAV. They come from field recorders, DAW exports, and broadcast equipment. And if you've never had to work with them before, they can be confusing....

5.1 Surround + Stereo Broadcast Delivery — Step by Step

Delivering audio for broadcast television requires more than just a good mix. The final file needs to meet very specific technical requirements — channel layout, file format, sample rate, and bit depth — or it will fail quality control. This guide walks through the...

How to Replace Audio in a Video File Without Re-encoding

How to Replace Audio in a Video File Without Re-encoding Replacing the audio track in a video file sounds simple. But if you've ever tried to do it in Premiere Pro, DaVinci Resolve, or Final Cut Pro, you know what actually happens: the software re-encodes the entire...

How to Convert WAV Files Without Losing Metadata or Timecode

You need to convert a WAV file — change the sample rate, the bit depth, or both. So you open a converter, process the file, and check the result. The audio sounds fine. But the metadata is gone. The timecode is missing. The scene number, the track names, the project...