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Information about current project and procedures used
1. Brief technical description
- Collection of cassette recordings
of music and speech 1973-1976
- Original recording machine
no longer available
- Original tapestock variable
in quality and state of preservation
- Stereo recordings, some automatic
volume control, no Dolby
- Digitisation for preservation,
community access, and research
- Procedures had to be carried out in situ in collector's home
2. Measures to ensure appropriate quality transfer
- use of good quality components and cabling
- careful setting of levels on playback machine and in recording software to ensure optimal signal-to-noise ratio
- setting of bit rate and sample rate to CD-audio quality (16bit 44.1khz)
- use of standard uncompressed PCM file format to maximise ease of future management of digital file
3. Hardware
- Sony professional Walkman
stereo-corder WM-D6C (heads recently cleaned and aligned)
- Cabling: stereo miniplug line
out > twin RCA > twin canon plugs > Digigram VX Pocket PCMCIA soundcard
- Apple Powerbook G3 400mhz
with 192 meg RAM, running system 9.0.4
- VST CD-R/W internal CD drive/burner
4. Software
- Sound recording: SoundEdit
16 v II, set to 16-bit stereo AIFF 44.1khz
- Processing: normalized after
recording to boost levels to 100% (Soundedit)
- Split into tracks: CD Spin
doctor
- Burn to CD: Toast Titanium
5.0
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