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AI music generator Udio has added a number of new features, including the ability to upload your own audio files as song starters for users of the Standard and Pro plans. This and the "udio-32 model" can be used to create songs up to 15 minutes long, with the uploaded audio files setting the tempo and mood. There is also a new model for two-minute songs, advanced control options such as setting the song start and generation speed, and features for tracking users and displaying credit usage. A new text field allows users to edit song lyrics after generation. Paid subscribers no longer need to give Udio credit when using generated tracks publicly.

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U.S. antitrust regulators have reached an agreement on how they will investigate the AI activities of Microsoft, OpenAI, and Nvidia. According to media reports, the US Department of Justice (DOJ) and the Federal Trade Commission (FTC) have agreed to share antitrust investigations into the AI industry. According to the agreement, the DOJ will lead the investigation into chipmaker Nvidia, while the FTC will investigate the conduct of Microsoft and OpenAI. Microsoft has a $13 billion stake in OpenAI and owns 49 percent of a for-profit subsidiary. The FTC is also reportedly investigating Microsoft's $650 million deal with AI startup Inflection AI. A formal investigation could begin soon. The EU is also investigating Microsoft's relationship with OpenAI.

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AI video generator Pika Labs has raised $80 million, joining other AI video startups like Runway, HeyGen, and Synthesia that have also raised larger amounts of funding recently. Pika Labs' valuation jumped to $470 million after the funding round, which still lags behind Runway's $1.5 billion valuation. What sets Pika apart from the standard AI startup is that it's training its own foundational model. "We're very confident that we're building the best foundational model for video," Pika co-founder Demi Guo told the Washington Post. The 13-person team includes former AI researchers from Google, Meta, and Uber. Based on demos, OpenAI's Sora currently leads all other AI video generators by a wide margin - but is not yet publicly available. The same goes for Google's video generator.

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