Compression algorithms (MP3, AAC) work by removing "perceptually irrelevant" sounds—specifically high frequencies and quiet sounds masked by louder ones. This is fatal for Hindi music for three reasons:
Hindi vocalists use meend (gliding between notes) and gamak (forceful, oscillating notes). These microtonal inflections occur in the 500Hz–4kHz range but contain harmonic overtones up to 15kHz. Lossy compression treats these overtones as noise and truncates them, making the voice sound flat or "digital." hindi lossless tracks better
If you're interested in exploring Hindi lossless tracks, here are some popular sources: Compression algorithms (MP3