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Google Launches New Speech Enhancement Tech to Clarify Audio Within YouTube Stories



Google has this week launched a new speech enhancement option within YouTube Stories which will enable users to reduce background noise in their video clips, and put more emphasis on the main subject.

As you can see (or hear) in this video, the new option, which users can apply in their upload settings, reduces background sound, improving the main presentation and clarifying speech.

The technology is part of Google’s ongoing work on speech-to-text translation, utilizing machine learning technology to isolate the speech of a video’s subject. 

As explained by Google:

By training the model on a large-scale collection of online videos, we are able to capture correlations between speech and visual signals, such as mouth movements and facial expressions, which can then be used to separate the speech of one person in a video from another, or to separate speech from background sounds. This technology not only achieves state-of-the-art results in speech separation and enhancement (a noticeable 1.5dB improvement over audio-only models), but in particular, can improve the results over audio-only processing when there are multiple people speaking, as the visual cues in the video help determine who is saying what.”

That obviously has applications beyond improving your Stories clips, but YouTube Stories provides a good testing ground for the process, while also giving users another way to improve their Stories presentation.


To apply the new option, YouTube creators who are eligible for YouTube Stories can record a video, and then select the “Enhance speech” option from the volume controls editing tool (iOS only at this stage).

YouTube Stories speech enhancement

Of course, not everyone has access to YouTube Stories creation as yet. YouTube Stories is only available to channels with over 10,000 subscribers, though the platform is looking to open it up to more users sometime soon.

Interestingly, YouTube will also soon stop YouTube Stories creators from adding music from the Audio Library to their Stories clips – which seems like a step back, but YouTube says the option sees very low usage.

Regardless of availability, it’s an interesting new option, and it’ll also be interesting to see whether Google looks to make its background audio reduction tools available in more places in future.

You can read more about the technical process behind the new option here.



How to Formulate a More Effective Approach to TikTok Marketing [Infographic]



How to Formulate a More Effective Approach to TikTok Marketing [Infographic]

Looking to develop an effective approach to TikTok marketing?

With the app projected to reach 1.5 billion users this year, and continuing to occupy more and more of people’s time, it’s worth considering how it could be used to amplify your brand messaging, with both organic and paid approaches that could help to get you in front of more of your target audience.

So how do you make best use of the platform for marketing purposes?

TikTok has published a new guide to provide more insights into effective brand strategy, which provides a range of prompts to help you nail down your platform approach.

Some of it is fairly general social media marketing advice, but there are some valuable notes that could help you formulate a more effective, TikTok-specific strategy.

You can read more tips from TikTok here, or check out the infographic overview below.

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