Appendix
Specifications
Audio
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| Metal tape | Oxide tape |
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LNG | Frequency response (at 10 dB | 50 Hz to 15 kHz +1.5 dB/ | 50 Hz to 15 kHz +3.0 dB |
| below reference level a)) |
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| S/N ratio (at 3% distortion level) | 72 dB or more | 50 dB or more (Dolby NR off) |
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| Distortion (THD at 1 kHz reference | 1% or less | 2% or less |
| level a)) |
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| Wow and flutter | 0.1% rms or less |
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AFM | Frequency response (at reference | 20 Hz to 20 kHz +0.5 |
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| level a)) |
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| S/N ratio (at 3% distortion level) | 85 dB or more |
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| Distortion (THD at 1 kHz reference | 0.5% or less |
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| level a)) |
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a) Reference level: +4 dBm
Analog Betacam playback
Video
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| Metal tape | Oxide tape |
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Bandwidth | Y | 25 Hz to 5.5 MHz +0.5 | 25 Hz to 4.0 MHz +0.5 |
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| 25 Hz to 2.0 MHz +0.5 | 25 Hz to 1.5 MHz +0.5 | |
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S/N ratio | Y | 48 dB or more | 46 dB or more |
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| 48 dB or more | 45 dB or more | |
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K factor (2T pulse) |
| 2% or less | 3% or less |
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LF | Y | 3% or less |
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| 4% or less |
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Y/C delay |
| 20 ns or less |
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Audio
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| Metal tape | Oxide tape |
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LNG | Frequency response (at 20 dB | 50 Hz to 15 kHz +1.5 | 50 Hz to 15 kHz ±3.0 dB |
| below peak levela)) |
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| S/N ratio (at 3% distortion level) | 68 dB or more | 62 dB or more |
| (CCIR |
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| Distortion (THD at 1 kHz | 1% or less | 2% or less |
| reference levelb)) |
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| Wow and flutter | 0.1% rms or less |
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AFM | Frequency response (at reference | 20 Hz to 20 kHz + 0.5 |
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| level b)) |
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| S/N ratio (at 3 % distortion level) | More than 72 dB (CCIR |
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| Distortion (THD at 1 kHz reference | Less than 0.5 % |
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| level b)) |
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a)Peak level: +8 dB above reference level
b)Reference level: +4 dBm