Can you hear the difference between MP3 and WAV?

Most people cannot at 320 kbps on ordinary headphones. The difference becomes audible at 128 kbps or below, mainly as a swishy edge on cymbals. On high-end equipment, trained listeners can sometimes pick lossy compression at any bitrate.

Does converting MP3 to WAV improve sound quality?

No. Conversion restores the container but not the discarded detail. The WAV sounds exactly like the source MP3 and takes 10x the space. Only converting from an original lossless source gains quality.

Which format should I use for music production?

WAV, always. It is lossless, so every edit, bounce and export keeps full quality. Use MP3 only for the final copy you share or stream.

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