what would be a good way to go about processing an acapella that was extracted through an AI acapella extractor (aka it is very low quality)?
Processing a low-quality acapella that was extracted through an AI acapella extractor can be challenging, but there are several techniques you can try to improve the quality of the audio:

1. Noise Reduction: You can use a noise reduction plugin to remove unwanted background noise and hiss from the audio. You can experiment with different settings to find the optimal balance between removing noise and preserving the quality of the acapella.
2. EQ: You can use an equalizer to boost or cut specific frequency ranges to enhance the clarity of the vocals. For example, you can boost the midrange frequencies where the vocals sit to make them more prominent.
3. Compression: You can use a compressor to even out the levels of the vocals and reduce any dynamic range. This can help bring out the quieter parts of the audio.
4. Pitch Correction: If the acapella has any pitch issues, you can use a pitch correction plugin to correct them. This can help the vocals sound more in tune.
5. Reverb and Delay: You can add reverb and delay to the vocals to give them a sense of space and make them sound more natural.
6. Layering: If the acapella is still too low quality after processing, you can try layering it with other audio sources. For example, you can use a synth or a pad to add some depth to the sound.

Keep in mind that these techniques are not a one-size-fits-all solution, and the optimal approach will depend on the specific acapella and the desired outcome. It's important to experiment with different techniques and settings to find what works best for your particular situation.
Which of these is most impactful?  what should I start with, first?