overcompress
verb
over·com·press
| \ ˌō-vər-kəm-ˈpres
\
\
overcompressed;
overcompressing
Definition of overcompress
: to compress (something) to an excessive degree
overcompressed the padding an overcompressed gasket
especially
: to reduce (something, such as data, a data file, or a communications signal) too much through compression
overcompressed the video the album's overcompressed vocals