Recordings are reproduced using carefully maintained and calibrated professional equipment, under conditions suited to the characteristics of the original carriers. Analogue recordings are digitised in high resolution, at a minimum of 24 bits / 96 kHz.
Analogue magnetic tape
| Format | Configurations | Standards | Speeds |
|---|---|---|---|
| ¼″ (6.35 mm) | Mono, stereo (2 mm / 0.75 mm), quarter-track stereo | CCIR, NAB, AES, NagraMaster | 3.75 · 7.5 · 15 · 30 ips |
| ½″ (12.7 mm) | Stereo, 3-, 4 and 8 track | CCIR, NAB, AES | 7.5 · 15 · 30 ips |
| 1″ (25.4 mm) | 4- and 8 track | CCIR, NAB, AES | 7.5 · 15 · 30 ips |
| 2″ (50.8 mm) | 16- and 24 track | CCIR, NAB, AES | 7.5 · 15 · 30 ips |
Other formats
| Format | Specifications |
|---|---|
| Audio cassette | 1⅞ and 15/16 ips |
| DAT | 32 · 44.1 · 48 kHz / 16 bits |
| ADAT | Multitrack digital format |
| DTRS | Multitrack digital format |
