Audio is one of the most common and versatile forms of data we encounter daily. Whether it is music, speech, sound effects, or ambient noise, audio can convey information, emotion, and meaning. However, audio is also complex and challenging, especially when visualizing and processing it in real time.

In this article, we will introduce Waveformer. This new tool allows you to visualize and process audio in novel ways. We will cover what Waveformer is, how it works, and what applications it has. We will also show examples of using Waveformer to create stunning vector graphics and low-latency audio effects.

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What is Waveformer?

Waveformer is a web app that lets you visualize audio waveforms in vector (SVG) format. You can start drawing your audio by choosing or dropping your audio file on the app or trying a sample file. You can then play your audio file and see the waveform drawn in real-time. You can also adjust the amount of detail and the waveform’s color and save it as an SVG file.

Waveformer is also a deep neural network architecture for low-latency audio processing. It was proposed in the paper “Real-Time Target Sound Extraction,” presented at ICASSP 2023. Waveformer is a low-latency audio processing model that implements streaming inference – the model processes a ~10 ms input audio chunk at each time step while only looking at past chunks and no future chunks. This way, it can achieve real-time factors (RTFs) of less than one on a Core i5 CPU using a single thread with an end-to-end latency of less than 20 ms.

How does Waveformer work?

Waveformer uses a simple but effective technique to visualize audio waveforms in vector format. It converts the audio signal into a series of points representing the signal’s amplitude and phase at each time step. It then connects these points with straight lines to form a polygonal shape that resembles the waveform. The resulting vector graphic can be scaled and manipulated without losing quality or resolution.

Waveformer uses a more sophisticated technique to process audio in real-time. It uses a deep neural network that consists of several layers of convolutional, recurrent, and attention modules. The network takes an input audio chunk and produces an output audio chunk that contains only the target sound (such as speech or music) while suppressing the background noise (such as traffic or crowd). The network learns to extract the target sound using a contrastive loss function that maximizes the similarity between the output and the target sound while minimizing the similarity between the output and the background noise.

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What are the applications of Waveformer?

Waveformer has many potential applications for both visualizing and processing audio. Here are some examples:

• You can use Waveformer to create artistic vector graphics from your favorite songs or sounds. You can use these graphics for logos, posters, wallpapers, or animations.
• You can use it to enhance your audio quality by removing unwanted noise or interference from your recordings or live streams. You can also use it to isolate specific sounds or sources from complex audio scenes.
• You can use it to generate new sounds or music by mixing and manipulating different audio files or waveforms. You can also use it to create sound effects or synthesizers for your games or videos.

Conclusion

Waveformer is a new way to visualize and process audio that combines vector graphics and deep learning. It allows you to create stunning vector graphics from your audio files and to process your audio files in real time with low latency and high quality. You can try Waveformer for free at https://waveformer.replicate.dev/ or https://www.misha.studio/waveformer/. You can also check out the code and paper for Waveformer at https://github.com/vb000/Waveformer.

We hope you enjoyed this article and learned something new about it. Please let us know in the comments below if you have any questions or feedback. Thank you for reading!

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Frequently Asked Questions – FAQs

Q1. What is Waveformer?
A1. It is a web app and deep neural network architecture that allows you to visualize and process audio waveforms in real-time.

Q2. How does it work?
A2. It converts audio signals into vector graphics using a technique that represents the signal’s amplitude and phase. It also employs a deep neural network to process audio, extracting target sounds while suppressing background noise.

Q3. What are the applications of it?
A3. It can be used for creating artistic vector graphics, enhancing audio quality, generating new sounds or music, and isolating specific sounds from complex audio scenes.

Q4. Can I use it for free?
A4. Yes, you can try itfor free at https://waveformer.replicate.dev/ or https://www.misha.studio/waveformer/.

Q5. Where can I find the code and paper for Waveformer?
A5. You can find the code and paper for it on GitHub at https://github.com/vb000/Waveformer.

Q6. How can I provide feedback or ask questions about it?
A6. Feel free to leave your questions or feedback in the comments section below the article.