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Quality · Conversion

What Is Generational Loss?

Each lossy generation throws away a little more of what the last generation still had. That is why editors preach “work from masters” and “export once for delivery.”

Verdict: Generational loss is repeated lossy re-encoding. Prevent it by editing lossless/mezzanine masters and exporting delivery formats a single time.

Classic examples

Screenshot saved as JPG many times; podcast loudness fixes bounced through MP3 repeatedly; social video downloaded and re-uploaded through multiple platforms.

How to avoid it

Keep PNG/TIFF/WAV/FLAC/ProRes (or original camera files) as project media. Convert to JPG/MP3/MP4 only for the final share.

Related myths

JPG→PNG or MP3→WAV between generations does not reset the clock — you still carry prior loss into the next lossy step.

Key points

  • Lossy → lossy → lossy stacks damage.
  • Masters break the cycle.
  • One clean delivery encode beats many recompressions.

Convert with quality in mind

Use these converters when the format change is intentional — processing stays in your browser.

Related quality guides

Related concepts

FAQ

Do lossless generations lose quality?

Standard lossless round-trips should not discard samples. You can still lose quality via intentional resize, color changes, or dithering.

Browse all quality guides or conversion concepts.