OTTAWA The Canadian economy flatlined in August, underperforming expectations, and it likely contracted slightly in the third quarter,

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Meta has created a new system that it says can generate convincing speech in a variety of styles – but will not release it for fear of the risks. The new tool is called “Voicebox” and can be set to create outputs in different styles, new voices from scratch as well as with a sample. It makes speech across six languages, as well as a variety of other tools such as noise removal. It says that it is a major development on previous speech systems that required specific training for each task. Instead, Voicebox can just be given raw audio and a transcription, and then be used to modify an audio sample. It is far more effective than its competitors, Meta claimed in its announcement. It can generate words with a 5.9 per cent error rate compared to 1.9 per cent from competitor Vall-E, for instance, and do so as much as 20 times more quickly. Meta said that it had been built on the foundation of a new model it called “Flow Matching”. That allows the system to learn from speech that has not been carefully labelled, so that it can be trained on more and more diverse data. Voicebox was trained on 50,000 hours of speech and transcripts that came from public domain audiobooks in English, French, Spanish, German, Polish, and Portuguese, Meta said. Now that it has been trained, it can be given an audio recording and fill in the speech from the context, Meta said. That could be used to create a realistic sounding voice from just two seconds of speech, for instance, potentially being used to bring voices to people who cannot speak or to add people’s voices into games. It could also be used to translate a passage of speech from one lanagueg to another in a way that keeps the style, Meta said, allowing people to talk to each other authentically even if they don’t speak the same language. It could also be useful in more technical scenarios, such as audio editing, where it can be used to replace words that were not properly recorded, for instance. But Meta said that the risks were such that it would not be releasing the model. It did not point to specific harms, but said that “as with other powerful new AI innovations, we recognize that this technology brings the potential for misuse and unintended harm”. Numerous reports have warned that such systems could be used to copy people’s voices without their consent and in ways that could be harmful, such as creating fake videos of news events or using people’s voices to pose as them during scam calls, for instance. “There are many exciting use cases for generative speech models, but because of the potential risks of misuse, we are not making the Voicebox model or code publicly available at this time,” Meta said in a statement. “While we believe it is important to be open with the AI community and to share our research to advance the state of the art in AI, it’s also necessary to strike the right balance between openness with responsibility.” It also pointed to a separate paper, published on its website, in which it detailed how it had built a “highly effective” system that can distinguish between authentic speech and audio that had been generated with Voicebox. Read More Mark Zuckerberg reveals what he thinks about Apple’s headset – and it’s not good Meta scrambles to fix Instagram algorithm connecting ‘vast paedophile network’ Reddit user’s protests against the site’s rules have taken an even more bizarre turn

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The US Federal Trade Commission has sued to stop Microsoft buying Call of Duty developer Activision Blizzard. It is just the latest problem for the deal, which has already been blocked by UK regulators. If completed, it will become one of the largest takeovers ever – but has faced scrutiny from regulators around the world, who argue that it might cause problems for the gaming market. The FTC's Monday filing in a federal court in San Francisco seeks a restraining order and injunction to stop Microsoft's $69 billion purchase of the California gaming company behind hit franchises such as Call of Duty and World of Warcraft. Microsoft, maker of the Xbox game system, has been struggling to win worldwide approval for the deal with just over a month before the deadline to close it, according to the contract it signed with Activision. “We welcome the opportunity to present our case in federal court," said a statement Monday from Brad Smith, Microsoft's vice chair and president. "We believe accelerating the legal process in the U.S will ultimately bring more choice and competition to the market.” The FTC already took Microsoft to court to block the merger, but that was before the U.S. agency's in-house judge in a trial set to start on Aug. 2. That administrative process doesn't preclude the parties from closing the deal. The contract between Microsoft and Activision required the deal to close by July 18, but the FTC's latest action seeks to stop that from happening. “Microsoft and Activision Blizzard have represented in the past that they cannot close their deal due to antitrust reviews of the transaction in other jurisdictions," the FTC said in a statement Monday. "But Microsoft and Activision have not provided assurances that they will maintain that position. In light of that, and public reporting that Microsoft and Activision Blizzard are considering closing their deal imminently, we have filed a request for a temporary restraining order to prevent them from closing while review continues.” Microsoft's other main obstacle is in the United Kingdom, where antitrust regulators have also taken action to block the acquisition. The all-cash deal announced in January 2022 has been scrutinized by regulators around the world over fears that it would give Microsoft and its Xbox console control of Activision's hit franchises and give it an unfair boost in the emerging business of cloud-based game subscriptions. It could be the priciest tech industry merger in history. Fierce opposition has been driven by rival Sony, which makes the PlayStation gaming system. Microsoft sought to counter the resistance by striking a deal with Nintendo to license Activision titles like Call of Duty for 10 years and offering the same to Sony if the deal went ahead. European regulators representing the 27-nation bloc approved the deal last month on condition that Microsoft make some promises meant to boost competition in the cloud-based gaming market. A number of other countries, including China, Japan, Brazil and South Korea, have also approved it. But the blockbuster deal has remained in jeopardy because of the surprise April decision by the U.K.’s Competition and Markets Authority and the ongoing case in the U.S. Microsoft in late May filed an appeal of the British regulator's decision and has also voiced strong public opposition directed at top government officials. U.S.-based consumer advocacy group Public Citizen, an opponent of the deal, welcomed the FTC's move Monday. “Although the agency has already used its authority to block the merger through administrative proceedings, Microsoft is pushing to culminate the purchase of Activision before the agency can finish its process," said a statement from Public Citizen's competition policy advocate Matt Kent. ""By filing in federal court to enjoin the transaction, the FTC is showing that it won’t back down in the face of Microsoft’s escalatory tactics.” Additional reporting by Associated Press