After transcribing and transferring the recording to hard drive. SPEAKEASY ARCHIVES has the most up to date audio restoration tools available. Including the top of the line CEDAR SYSTEM, THE WORLDS STANDARD IN NOISE REDUCTION, there is no better. CEDAR SYSTEM DUO will attack crackle, pops and clicks and other noise without damaging the audio like most software programs, CEDAR SYSTEMS is the most complete noise reduction system it removes noise but not the voice and music, a truly impressive tool. Then for the remainder of any issues such as hum and an occasional pop or tick we can finish up with the ADOBE CC 6 and delicately enhance the recording. We call this the CEDAR COMPLETE ENHANCED AUDIO RESTORATION. Contact me for any pricing or questions you may have.