Activision Blizzard files patent for AI-generated dynamic soundtracks

Activision Blizzard filed a patent application to register a technology for synthesizing music in video games using artificial intelligence.

According to the document, the system will be able to extract, accumulate and compute various variables to create soundtracks that match users’ tastes and specific scenarios.

The generation will occur depending on the player’s skills or experience. The system also takes into account one or more events, reactions, actions, or movements of the user.

The patent describes various methods of dynamic music creation. They can explore the individual player’s profile or be generated by modulating audio segments into different styles using machine learning.

The developers believe the system can influence users’ successes and failures. Unique musical compositions will be generated for players with different levels of experience.

For example, if the system detects that the user easily defeats a boss, the soundtrack will become more rhythmic to make the level progression more intense. Going forward, the algorithms will account for prior experience to maintain the game’s tempo.

For users with low skills, the system will provide audio cues on when to attack and dodge, or will generate less intense musical accompaniment.

“By automating the playback and modulation of soundtracks, a video game can become more engaging and enjoyable, and provide users with a wide range of customizable features to improve the overall experience,” the patent states.

The document outlines in detail the use of the technology in multiplayer modes. However, the developers stressed that the system can also be adapted for single-player games.

In February 2022, Sony unveiled an AI that defeats professional players in the racing simulator Gran Turismo. According to the developers, the system outperforms rivals from DeepMind and OpenAI Five.

In April 2021, Sony patented an AI that plays video games instead of the user.

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