各種錄音載體的響應範圍:
Year | db | Hz | device | low/high Hz |
1897 | 28 | 1832 | shellac disc | 168-2000 |
1925 | 30 | 4900 | Orthophonic disc | 100-5000 |
1931 | 30 | 8875 | Optical Film | 125-9000 |
1931 | 60 | 9970 | cellulose disc | 30-10000 |
1946 | 60 | 14920 | Decca FFRR disc | 80-15000 |
1947 | 60 | 14950 | Ampex 200 tape | 50-15000 |
1972 | 75 | 19980 | Laserdisc | 20-20000 |
1980 | 90 | 19980 | Compact Disc | 20-20000 |
1991 | 120 | 19995 | Dolby AC-3 | 5-20000 |
1998 | 144 | 96000 | DVD-Audio | 0-96000 |
以上資料摘取自http://history.sandiego.edu/gen/recording/dynamic.html