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title: Making machines that can listen | daily.dev
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# Making machines that can listen

**[MIT News](https://daily.dev/sources/mit)** · 8 min read · 0 upvotes · 0 comments

## Summary

MIT professor Paris Smaragdis builds machine learning systems that help computers hear and understand sound. His group works on machine learning for sound source separation, tools for musicians, and fundamental audio processing. The group explores ways to incorporate large language models into speech recognition and audio enhancement. Earlier work on neural networks for separating individual sounds from audio mixtures caught the attention of the team on 'The Beatles: Get Back,' and he helped clean up archival recordings for it. His contributions helped the team win an Emmy for sound editing in 2022. His team has recently been exploring signal processing methods where sampling rates and frame sizes are not fixed.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://news.mit.edu/2026/making-machines-that-can-listen-paris-smaragdis-1028>

## Questions this post answers

### What machine learning technique is used to separate individual sounds from a mixed audio recording?

Neural networks can be trained to separate individual sounds from audio mixtures, an approach developed by researcher Paris Smaragdis and his group at the University of Illinois. This sound source separation technology was later used to help clean up archival Beatles recordings for the 2021 documentary mini-series 'The Beatles: Get Back,' contributing to an Emmy Award win for sound editing in 2022.

_Developers building audio separation tools can follow machine learning research like this on daily.dev._

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---

Tags: [#machine-learning](https://daily.dev/tags/machine-learning), [#mit](https://daily.dev/tags/mit), [#speech-recognition](https://daily.dev/tags/speech-recognition), [#audio-processing](https://daily.dev/tags/audio-processing)

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