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README.md
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# εar-VAE: High Fidelity Music Reconstruction Model
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This repository contains the official inference code for εar-VAE, aa 44.1 kHz music signal reconstruction model that rethinks and optimizes VAE training for audio. It targets two common weaknesses in existing open-source VAEs—phase accuracy and stereophonic spatial representation—by aligning objectives with auditory perception and introducing phase-aware training. Experiments show substantial improvements across diverse metrics, with particular strength in high-frequency harmonics and spatial characteristics.
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<img src="./images/all_compares.jpg" width=90%>
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<img src="./images/table.png" width=90%>
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</p>
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<p align="center">
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<em>Upper: Ablation study across our training components.</em> <em>Down: Cross-model metric comparison on the evaluation dataset.</em>
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</p>
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Why εar-VAE:
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- 🎧 Perceptual alignment: A K-weighting perceptual filter is applied before loss computation to better match human hearing.
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- 🔁 Phase-aware objectives: Two novel phase losses
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- **[Stability AI's Stable Audio Tools](https://github.com/Stability-AI/stable-audio-tools)**: For providing a foundational framework and tools for audio generation.
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- **[Descript's Audio Codec](https://github.com/descriptinc/descript-audio-codec)**: For the weight-normed convolusional layers
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Their contributions have been invaluable to the development of εar-VAE.
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---
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license: apache-2.0
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datasets:
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- laion/LAION-DISCO-12M
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language:
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- en
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- zh
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base_model:
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- stabilityai/stable-audio-open-1.0
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pipeline_tag: audio-to-audio
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tags:
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- music
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- vae
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---
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# εar-VAE: High Fidelity Music Reconstruction Model
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[[Demo Page](https://eps-acoustic-revolution-lab.github.io/EAR_VAE/)] - [[Codes](https://github.com/Eps-Acoustic-Revolution-Lab/EAR_VAE)]
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This repository contains the official inference code for εar-VAE, aa 44.1 kHz music signal reconstruction model that rethinks and optimizes VAE training for audio. It targets two common weaknesses in existing open-source VAEs—phase accuracy and stereophonic spatial representation—by aligning objectives with auditory perception and introducing phase-aware training. Experiments show substantial improvements across diverse metrics, with particular strength in high-frequency harmonics and spatial characteristics.
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Why εar-VAE:
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- 🎧 Perceptual alignment: A K-weighting perceptual filter is applied before loss computation to better match human hearing.
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- 🔁 Phase-aware objectives: Two novel phase losses
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- **[Stability AI's Stable Audio Tools](https://github.com/Stability-AI/stable-audio-tools)**: For providing a foundational framework and tools for audio generation.
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- **[Descript's Audio Codec](https://github.com/descriptinc/descript-audio-codec)**: For the weight-normed convolusional layers
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Their contributions have been invaluable to the development of εar-VAE.
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