How Microsoft is using AI to improve audio and video quality in Teams

Windows maker Microsoft is bringing some new AI features to its video conferencing software Microsoft Teams. The new improvements are aimed at enhancing the quality of audio and video on calls.

The features were announced in a blog post from Microsoft, These include echo cancellation, de-reverberation, real-time screen optimization for video playback and brightness and soft focus video enhancements. Of these, echo cancellation eliminates echo when someone has their microphone too close to the speaker. ,Microsoft Teams Microsoft said in a blog post, “Uses AI to recognize the difference between sound from a speaker and a user’s voice, without suppressing speech or impeding the ability of multiple parties to speak at the same time.” ends.”

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De-reverberation adjusts for poor room acoustics. This means that in specific environments, the acoustics of the room can cause the sound to bounce, or resonate, making the user’s voice shallow as if they were speaking within a cave. Teams will now use machine learning to convert the captured audio signal into sound as if users were speaking into a close-range mic.

There’s also an interruption that Microsoft has brought in for more natural conversations. “A natural element of conversation is the ability to be interrupted for clarification or verification. This is accomplished through full-duplex (two-way) transmission of audio, allowing the user to speak and hear others at the same time.” give,” Microsoft said in a blog post. When you’re not using a set of headphones, it’s difficult to remove the Echo while maintaining full-duplex audio. Microsoft Teams uses a “trained” model Which has been fed with 30,000 hours of speech samples to retain the desired sounds while suppressing unwanted audio signals, resulting in more fluid dialogue.

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The new update also brings better background noise suppression on Microsoft Teams along with the company’s proprietary AI-based noise suppression which is now a default feature for all users. Apart from this, Microsoft says that AI has also helped in better video and screen sharing quality.

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Microsoft has said that it has started rolling out new AI enhancements for Microsoft Teams, and is expected to become generally available in the coming months.

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