Lightweight Transformer Based Post Processing Compression Enhancement

via “lightweight transformer-based post-processing compression enhancement”

* ⭐ 12/2022: [Robust Speech Recognition via Large-Scale Weak Supervision (Whisper)](https://arxiv.org/abs/2212.04356)

Unique: Applies Transformer models specifically to the quantized latent space rather than raw audio, enabling learned redundancy removal in the compressed domain. Achieves 40% additional compression while maintaining faster-than-real-time operation — a rare combination in neural codecs where compression and speed typically trade off.

vs others: Achieves better compression-to-speed ratio than applying Transformers to raw audio or using traditional entropy coding, because it operates on already-quantized representations where Transformers can learn domain-specific redundancy patterns without the computational burden of processing high-dimensional audio.