Your Spatial Audio Testing Playground: The Wwise Audio Lab

신규 출시 / 공간 음향 / Wwise에 대한 팁과 도구

The Spark

With the rise of Virtual Reality, developers started asking for advice on the most suitable audio technologies available  to best carry that sense of immersion they were seeking. As much as we wanted to guide them, there’s simply no one-size fits all solution for all games and VR experiences in development. Considerations such as hardware or software rendering for binaural plug-ins, cross-platform support, gameplay or storytelling genres, and artistic or personal taste, are all elements to factor in.

At the same time, we were midcourse in the development of what has become Wwise Reflect, our geometry-informed early reflections plug-in, as well as a series of major enhancements in the Wwise Spatial Audio feature set, such as 3D busses, portals, oriented reverb, etc. The more improvements we made, the more obvious it became that a game-like 3D environment where we could test various spatial audio scenarios was needed. 

Based on these premises, the Wwise Audio Lab project was born: a pseudo game environment focused on exposing various spatial audio phenomena that would run on Windows and Mac, but also in VR on Oculus and HTC Vive. The sources of the Wwise project would be publically available, alongside the precompiled or the full sources of the UE4 project used to create that game.   

Here's an overview video on the Wwise Audio Lab! 

 

 

A Platform for 3D Audio Simulation and A-B Comparison

The WAL (Wwise Audio Lab) presents two levels that expose various opportunities for testing and comparing spatial audio techniques and technologies. The Village level exposes different room sizes and shapes, but also a large exterior with fields, mountains and streets. The Echo Chamber level is quite useful for testing dynamic early reflections as the dimensions and the acoustic textures of the room can be modified in real-time. 

Apart from Wwise Reflect and comparing static with dynamic early reflections, you are able to compare and experiment with sound portals, oriented reverb, occlusion and obstruction, audio LOD (level of detail), ambisonics vs. quad, binaural vs. standard stereo, etc.  Some scenarios requires connecting Wwise to the game, but most features are directly integrated in the game, and A-B comparisons can be executed in a few seconds from the sound options menu.

 

Blog Sound Options.png 

In-game Sound Options menu

Information Nodes

To keep the user immersed as much as possible (and to reduce the need of reading documentation!), we added information nodes at various places in the levels to indicate areas of interest, as a sort of in-game training or guided visit. Information nodes offer brief descriptions of elements of interest, how to interact with them in the game or in Wwise, and provide an idea of what to expect.

 

Blog Info Node 1.png

Blog Info Node 2.png

Information Nodes

The Radio

Another important aspect to appreciate spatial audio phenomena is the ability to get predictable and reproducible scenarios. For that, we designed a flying radio that has a few channels such as music, dialogue, white noise, and tics (sounds that can easily be changed with your own material via a quick modification to the Wwise project), and a preset mechanism that can be customized and saved by the player. The radio interface may be intimidating at first, but it’s quite powerful. The radio movements are defined similarly to a 3D oscilloscope, where properties such as frequency, amplitude, phase and DC offset can be set on each of the three axis. It makes for an ideal tool to test various binaural technologies or surround sound systems configurations for example.

 

Blog Radio Controls.png  

Radio with Astrolabe in the background

 

Credits

I’d like to express my sincere gratitude to Guillaume Provost from Compulsion Games, who offered graphic assets from their game We Happy Few  to build the Village level. That was really helpful as it sped up the development quite a lot. I’m also particularly grateful that Guillaume gave his approval after we showed him what we’ve done, even though we sabotaged the dark and gloomy ambiance of the game by trashing the dynamic lighting (a cheap way for us to optimize graphics, but mostly a demonstration that Audiokinetic does not have much knowledge in graphic production!), the skybox (a bit too dark for some of our audience) and all the NPC’s!

Village Streets 1.png

Village streets

Guillaume recommended that we work with 3D artist Warren Marshall to assemble the levels and create new props and terrain. I really appreciated working with Warren as he has been really creative and efficient. Just hoped he had more time to polish, but it was a really tight mandate and I can only praise what he’s been able to accomplish during our tight production schedule. 

I would also like to thank Matt Shores and François Bertrand from Empty Clip Studios, who handled the programming aspect of the game as well as hiring Disruptive Games for additional engineering. It was a bumpy route at times, but they delivered!

Thanks to Toussaint Renaud from Signal Space for the Foley, menu and some ambient sounds. Thanks to Stéphane Larivière from Sonorum for all the room tones delivered in both Ambisonics and Quad so that we can compare the same recordings rendered in both formats.

And finally, there are many people at Audiokinetic who have helped in various ways; QA, documentation, localization, implementation, communication, etc. Probably too many to name here, but I’d like to briefly put the spotlight on Benoît Santerre, who did an amazing job at implementing most of the audio features while also playing build master, lead programmer and blueprint master on this project. Thanks Benoît!

Train Station.png

Train Station

House Interior.png

House interior

Call to Action

I hope you’ll have as much fun as I have had exploring the various features of WAL (slowing down the speed of sound in Wwise Reflect is a good one), but I mostly hope some of the material present in there will be useful for your current and future projects. If you wish to change the content and geometry of the game, you can download the full project, but most users simply need the compiled version with the Wwise project. Both versions are available directly from the Wwise Launcher.  

Request access to the Wwise Audio Lab Slack Channel !

 

Subscribe

 

 

Simon Ashby

Head of Product

Audiokinetic

Simon Ashby

Head of Product

Audiokinetic

Co-founder of Audiokinetic, Ashby is responsible for the product development of Wwise, now powering hundreds of major titles per year, and empowering thousands of users around the world from Indies to AAA teams. Prior to Audiokinetic, Ashby worked as a Senior Sound and Game Designer on several games. With his vast industry experience, Ashby is a frequent lecturer and panelist. His main theme is often on, the role of sound production and integration within the overall experience of video games. In 2011, Ashby was honoured with the inaugural Canadian Game Development Talent Award as the "Audio Professional of the Year".

 @sashby21

댓글

geoff white

October 04, 2017 at 05:12 pm

Looks amazing! Thanks Simon and all the good people who put this together!

Eduardo Vaisman

October 08, 2017 at 06:37 pm

Hi, Thank you for making this tool available for the community. Would you please allow me to join the Slack channel? Thank you Eduardo Vaisman

Tim Regan

October 13, 2017 at 07:50 pm

The WAL is amazing! Thank you so much for this tool!!

Cobain Zhang

October 17, 2017 at 06:07 am

Thank you Simon! A small step for Wwise a giant step for game audio industry!

Simon Ashby

October 18, 2017 at 12:12 pm

Hi Eduardo, You should have received access to the Slack channel by now. Tell us if you still can't access it. Thanks! Simon

Simon Ashby

October 18, 2017 at 12:18 pm

Thanks Cobain, It took a bit more time to ship than anticipated when we were discussing it last summer, but we're glad it's out now and, looking at the download rate, it seems to interest a fair bunch of people! Cheers, Simon

Simon Ashby

October 18, 2017 at 12:20 pm

Thanks Geoff, Yes, it's been a real team effort with a bunch of great persons working on it both outside and inside the company. Simon

Simon Ashby

October 18, 2017 at 12:20 pm

Great, thanks Tim! Simon :-)

Niklas schak

May 23, 2018 at 09:08 am

How can I view the in VR - I have a Oculus Go, can i just import the the program file ?

Scott Ding

February 14, 2019 at 08:45 am

Thanks Simon,I love Wwise,it's very awesome! Good job,Wwise team!

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