Exhibit 31.5
CERTIFICATION
I, Jose A. Royo, certify that:
1. I have reviewed this Annual Report onForm 10-K of Ascent Media Corporation; and
2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report.
/s/ Jose A. Royo
Jose A. Royo
President and Chief Operating Officer
Date: April 30, 2010