Why Sound Editing Is Important
Creating videos is half about the visuals and half about the sounds. But when you’re just getting started, there is a ton to figure out just on the visuals side, and when you add in audio, it can be overwhelming to say the least.
This month, we’re on a mission to help you get your audio bearings and understand why audio is visual. And more importantly, customers who order bigger budget productions need to know how their cinema ads are being treated audibly. Here are a few definitions:
Pre-production is the 1st process of preparing all the correct gear to capture amazing natural sounds, interviews, dialogues and tones. Don’t take microphones for granted, the better the job is done in pre-production, the less is there to do in post-production.
Post-production, is an optional second step that synchronises wave files, refines peakings and general sound editing. This editing changes depending on the tone: either for common web use (2.0) or pushed further for cinemas (7.1).
Sound editing for films with substantial budgets usually involves more than one person. There are dozens of different roles involved with finding, recording, and picking the right sounds for a movie. The lead sound editor is in charge of the sound design for the film, and he or she assigns roles as necessary. To put it plainly: this person decides what you hear in movies.
Sound Mixing: following the VFX, editing, sound editing, and other post-production processes, the sound mixer tweaks levels on every audio file — a tedious but crucial process that affects everything the audience hears, including dialogue, sound effects, foley effects, and the score. So when you hear a bullet whiz by the main character’s ear followed by a gasp (and subtle music in the background), you’re listening to the sound mixer’s work.
Without the proper listening gear, it’s hard to show a before/after comparative. We’ve compiled a few clips below to help you distinguish basic sound editing in 2.0 sound and more refined sound mixing in 5.1 or 7.1 channels.
Like colour editing, all video purchases at Li Motion are sound edited by default. Depending on the mood, tone or theme, most projects are delivered with 2.0 channel sound. Unless required otherwise (silent ads or musical soundtracks), sounds is edited to be best heard online with headphones.
Here’s an example in stereo 2.0 featuring Dolby’s Digital Plus feature ON and OFF.
However, for bigger budget productions, additional sound engineers come on demand, especially for ads featured on cinema screens. 2.0 channels are converted into 7.1 channels and sound is post-produced and re-edited from the ground up.
Here’s another example with Amaze by Dolby in 5.1 channels. It would really help if you had more than 5 surround speakers at home.
Due to web limitations and size, the small video had to be exported into a 240i low-resolution to keep the crystal clear sound, remastered into 5.1 channels in AAC.