 It is possible to restore sound material
from different audio formats
such as stereo magnetic tapes and analog multichannel tapes (1/4",
1/2", 2") and digital cassettes (DAT, ADAT), vinyl or shellac records,
videotapes VHS/S-VHS, MiniDiscs and CDs.
Restoring is carried out by loading the sound material into digital
workstation at the best possible quality using PCM format up
to 24bit/192KHz or DSD format at 2.8224MHz. This allows to create a top-resolution
acoustic “photograph” of the sound material.
Once the sound has been loaded into the workstation it is possible to
make a backup copy of the high resolution audio files
for archive storing.
The audio material is now ready for processing: noise will be removed
by performing denoise algorithms on digital
workstation.
Cleaned audio files will then be revitalized in order
to restore what was lost during denoise.
This procedure is therefore divided into three separate stages: digital
transfer, in order to stop the damaging effects of time on the old
recording; noise removal and revitalization, in order to restore signal.
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