User:PeterSampson/Sand-Box
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Table 1: 78rpm Playback Equalisation Curves
| Label | Series | Bass Turnover Frequency (Hz) |
10 kHz Gain Rolloff (dB) |
LF Shelving Frequency (Hz) |
Source |
|---|---|---|---|---|---|
| Acoustic Recording
(such as cylinders, etc..) |
0 (or as required) | 0 (or as required) | 1 | ||
| AES | standard | 400 | -12 | 1 | |
| AFRS Transcriptions | 500 | 0 or -5 | 1 | ||
| Allegro | 750 | -16 | 1 | ||
| Allied | 500 | -16 | 1 | ||
| American Recording Society | 500 | -12 or –13.7 | 1 |
==========================
| Command | % extra | Needs trapping | Assigned to | Fixed | Tested | Resolved |
|---|---|---|---|---|---|---|
| 4X Technologies format | 4xm | ??? | yes | no | no | no |
| ADTS AAC | adts | aac | yes | yes 5 | no | no |
| Audio IFF | aiff | aiff | yes | yes | yes | yes |
| 3GPP AMR NB mono (8000 Hz) | amr | amr | yes | yes | no | no |
| AMR WB mono (16000 Hz) | awb | awb | yes | yes | no | no |
| CRYO APC format | apc | ??? | yes | no | no | no |
| Monkey's Audio | ape | ape | yes | no | yes 4 | no |
| ASF format | asf | wma | yes 2 | yes 3 | yes 4 | yes |
| SUN AU format | au | au | yes | yes | no | no |
