That's not how it works. Each bit of sample size yields about 6db of SNR. If you amplify a source to 120db SPL that was recorded with 4-bit samples the quantiza

That's not how it works. Each bit of sample size yields about 6db of SNR. If you amplify a source to 120db SPL that was recorded with 4-bit samples the quantization noise would be about 96db SPL.