What does “compression artifacts” mean?

What it means

Compression artifacts in vinyl refer to audible degradation of the original audio signal. This is not simply surface noise (scratches, dust) but rather distortions introduced during the mastering, cutting, or pressing stages. Mainstream audio terms for this include digital clipping or excessive dynamic range compression, but in vinyl, it manifests as audible smearing, a gritty texture, or a loss of high-frequency definition. It is a structural flaw in the groove itself, not just dirt on the surface. These artifacts compromise the fidelity of the recording.

What it does to price

Artifacts directly reduce perceived sonic quality, leading to price depreciation. A pristine, artifact-free pressing maintains its market value; a copy with noticeable compression artifacts sees a measurable drop. A record rated VG+ with mild, intermittent artifacts might sell for 60-75% of a comparable Mint copy. If artifacts are severe—leading to noticeable muddiness or constant distortion—the value can drop below 30% of the clean equivalent. For example, a sought-after first pressing of a classic album might sell for $150 pristine, but the same pressing marred by heavy compression artifacts might only fetch $75.

How to spot it

Artifacts are best detected during playback, particularly in low-level passages where subtle distortions become apparent. When inspecting listings, look beyond surface condition grades (M, NM, VG+). Request high-resolution photos of the runout groove area for manufacturing flaws, though this is often insufficient. Look for inconsistent groove depth or uneven coloration on the vinyl itself, which can indicate pressing plant issues. Genuine manufacturing compression artifacts are inherent to the pressing; they are not usually related to specific edition markers unless the pressing plant changed drastically between runs.

Buying smart

Paying a premium for a record with known, significant compression artifacts is rarely justified unless the record is exceptionally rare or historically significant, and the artifacts are minor. A fair purchase involves accepting the trade-off: if the artifacts are slight and do not obscure the music, the price should reflect a VG+ or VG grade, not NM. If the artifacts are distracting or make the listening experience poor, the price should reflect a lower-tier condition grade, regardless of the record's rarity.

Selling smart

Documenting the presence and nature of compression artifacts in a listing is mandatory for accurate pricing. Do not hide them. If the artifacts are minor and intermittent, list the condition as NM/VG+ with a specific note detailing "minimal, non-intrusive compression artifacts present." If the artifacts are severe, list the condition accurately (e.g., VG) and clearly state the nature of the flaw. The single most effective element in the listing is a short, objective description of the flaw, which manages buyer expectations and prevents returns based on misrepresented sound quality.