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XO3D Studio · Guide

Sound Design in Product Films.

Sound is not an afterthought. In a product film, every audio decision, tone, texture, timing, silence, is an argument about what the product is worth.

Sony WF-C710 earbuds and charging case, CGI by XO3D for ImageNova
Sony WF-C710, CGI produced by XO3D for ImageNova.

The studio behind this guide

Whether this is studio work

XO3D produces product films with sound designed as part of the direction rather than added underneath a finished edit. Come to us when the film has to carry a brand at launch and the audio is doing real work. Where a version will mostly play muted, such as a silent looping web asset, the visual message has to work without sound, so brief the role of sound for each placement before deciding how much audio work it needs.

How XO3D compares to the other five supplier models

Watch a premium product film with the sound off. Then watch it again with the sound on. The product is identical in both versions. The experience is not. Sound design is the component of a product film that the viewer rarely consciously registers, but always unconsciously responds to. A film with wrong audio feels wrong, even if the viewer can't say exactly why. A film with right audio feels inevitable.

For a product CGI film, discuss the sound direction while reviewing the animatic. List where each version will appear and whether people are likely to hear it. The visual message should remain clear without sound. Where sound is part of the experience, brief its role and review the final version in that context. Where one sound cue must carry across a logo reveal and every cutdown, see Brand Motion.

XO3D treats sound design as an integral production element, not a post-production add-on. The audio direction is agreed in pre-production alongside the visual direction. The music is briefed and composed (or selected) before rendering begins, because the edit rhythm is built around the music, not the other way around.

The three audio elements

What sound design in a product film actually contains.

Music

The emotional register

Music sets the emotional register of the entire film. Bespoke-composed music is written specifically for the product and the brand, its tempo, tone, and resolution are designed around the edit. A licensed track is another route where the treatment and usage rights fit the brief. Music choice is reviewed alongside the picture.

Sound Effects

The physical reality

Product sound effects in CGI films are a creative decision, not a documentary recording. The click of a button, the hiss of a mechanism, the resonance of a material surface, these are designed to reinforce the product's quality impression, not to accurately reproduce the actual sound. A luxury object sounds more substantial than it physically would. A precision mechanism sounds more exact. These are conscious choices.

Silence

The most underused tool

The most expensive-feeling product films often use silence as a deliberate element. A moment of complete quiet before a mechanism reveal. A held note before the product's name appears. Silence communicates that the filmmaker is confident, that the image earns its own attention without audio support. It is a quality signal.

The production process

How sound design integrates into a product film brief.

  1. Audio direction in pre-production

    At the same stage XO3D agrees the visual direction, before any final rendering begins, the audio direction is established. Three audio reference points are shared: an emotional register ("the product should feel premium and effortless"), a tempo reference (the beats-per-minute range that matches the desired edit rhythm), and one or two audio references from existing films with a similar tonal target. This conversation takes 20 minutes and changes the film completely.

  2. Music brief and production

    For bespoke compositions, the music brief goes to our collaborating composer alongside the animatic, so the music is being composed against the edit structure while rendering is in progress. The two arrive simultaneously. For licensed music, track selection happens at animatic stage and is approved before rendering begins. Stock music is never used in final delivery.

  3. Sound effects design

    Product sound effects are designed after the render is received. Each sound event, a product reveal, a mechanism in motion, a material contact, is individually constructed and mixed against the visual. This is not a library search-and-apply process. Each sound is built for the specific product and the specific motion in the specific frame.

  4. Mix and delivery

    The final mix is delivered in two versions: full mix (music + sound effects combined) and music-only stem (for markets or platforms where bespoke sound effects can't be used). This allows the client to deploy the film across different contexts without returning to the mix stage.

How the audio decisions line up with the picture. Each lane shows what is decided and what it waits for. It is not a fixed schedule: timings are agreed for each project.
  1. Audio direction

    Decide The emotional register, the pace and one or two references.

    Waits for The agreed visual direction. Reviewed with the animatic.

  2. Music

    Decide A composed or licensed route, then the brief or the track.

    Waits for The edit rhythm set out in the animatic.

  3. Sound effects

    Decide Which product events get a sound, and how prominent each one is.

    Waits for Approved picture timing for those events.

  4. Final mix

    Decide The balance, and the version each placement needs.

    Waits for Locked picture, approved music and approved effects.

Before the first conversation

Brief the sound in six decisions.

Six decisions shape an audio brief. Write a line for each before the first conversation. A blank answer is useful too: it shows what still needs agreeing. The table is an outline for your brief, not a schedule or a quote, and the detail is agreed for each project.

DecisionWhat to write downYour answer
Desired characterHow the film should feel, in two or three words, and what it should not feel like.Space for your answer
Key product eventThe moment sound must support, such as a reveal, a click or a mechanism in motion.Space for your answer
Reference and what it showsA film or track you like, and the one quality you want from it, such as pace, texture or restraint.Space for your answer
Listening placementWhere each version will play, and whether people are likely to hear it.Space for your answer
Versions and languagesCut lengths, aspect ratios, any voice-over or caption languages, and any version without music or effects.Space for your answer
Approval ownerWho approves the music and the final mix, and who confirms the music rights.Space for your answer

Add the answers to the wider film brief with the CGI brief template, or prepare an audio brief with the XO3D Labs sound design brief generator. A generated brief is a drafting aid. It does not replace the composer's response, the music licence or the final cue sheet.

Rights and versions

Agree rights and versions before delivery.

Music rights and the list of versions are easier to settle at the brief than at delivery. Answer these questions together, with whoever owns the music decision on your side.

  • Who supplies the music: a composition for this film, a licensed track, or a track you already hold?
  • What approval does the music need, and who gives it?
  • Which territories, channels and time period will the film run in? The music licence has to cover all of them.
  • Which versions do you need: lengths, aspect ratios, languages, with or without voice?
  • Does any placement need a version without music, or without effects?
  • Who keeps the final audio files, and in what form?

These are briefing questions, not legal advice. The terms of any music licence are confirmed for the specific project.

FAQ

Sound design questions.

Is bespoke sound design included as standard in a product film brief?
Bespoke sound design and composition is scoped separately from the CGI production, based on the complexity of a 30–60 second film. Licensed music from a premium sync library (not stock) is an alternative, and is sometimes the right choice. Stock music is not offered as an option in XO3D's premium work. Sound design is discussed and scoped at brief stage, as its own line item.
What if the client already has a music track they want to use?
If the client has a specific track, licensed music, a brand jingle, or a track from a connected campaign, XO3D edits the film to that music. The edit rhythm is built around the provided track in the same way it would be built around a bespoke composition. The client is responsible for confirming they hold the appropriate sync licence for the music in all territories and channels it will be used.
Do social format cut-downs use the same sound design?
Yes, social format cut-downs are re-edited from the hero film's source material, including the master audio. The 9:16 and 1:1 versions use the same music and sound effects as the 16:9 hero, re-timed to the shorter duration. Occasionally a social format benefits from a slightly different audio treatment (a harder cut, a punchier sound effect) and this is managed within the original sound design budget where possible.

About the studio

XO3D is a director-led product CGI studio. Founded by Thomas Howcroft in 2017 and incorporated as XO3D Ltd (UK Companies House 11876020) in 2019, when Alex Mann joined as co-founder. Based at the Business and Technology Centre in Stevenage, UK, with representation at 244 Fifth Avenue, New York. We work with tech, industrial and premium consumer brands on product films, launch stills and interactive experiences.

That makes us the right choice for launch-critical work where the visual standard has to be high and the product may not exist yet.

It makes us the wrong choice for three things, and it is worth establishing that now rather than later.

  • Hundreds of routine SKUs to a fixed template. Continuous template-based output is a different brief from launch-critical creative direction. Choose a production workflow designed for that volume.
  • A website that requires a specific configurator platform. Use that platform where your website requires it, and agree who supplies the models and who integrates the software. A custom configurator is another route: XO3D can build it and hand it over for you to host.
  • The campaign idea itself. If what you need is the strategy, the audience work and the media plan, start with an agency. We are frequently the production partner behind one.
How XO3D compares to the other five supplier models