Telos Zephyr Xstream, User Manual

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USER’S MANUAL
Section 14: SPECIFICATIONS and WARRANTY 293
14 SPECIFICATIONS & WARRANTY
14.1 Specifications
General
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Full duplex, high ‐ fidelity codec using MPEG ‐ 2 AAC, MPEG ‐ 4 AAC ‐ LD MPEG ‐ 2 Layer ‐ 3,
MPEG ‐ 2 Layer ‐ 2, AACPlus, and G.722; fully compliant with international standards.
Frequency Response
(+0/ ‐ 1dB, swept sine tone procedure)
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AAC all modes except Stereo 64: 20 ‐ 19,800Hz at 48kHz fs., 20 ‐ 15,000Hz at 32kHz fs.
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AAC Stereo 64: 20 ‐ 10,000Hz at 48kHz fs., 20 ‐ 7,000Hz at 32kHz fs
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AACPlus mono (for use reception from the Xport): 20 –15,000 Hz 48kHz fs
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Layer ‐ 3 all modes: 20 ‐ 16,000Hz at 48kHz fs., 20 ‐ 15,000Hz at 32kHz fs
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Layer ‐ 2 mono, dual ‐ mono: 20 Hz ‐ 7.8kHz/9.8kHz
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Layer ‐ 2 mono 20 Hz ‐ 8.6 kHz at 24 kHz fs.
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Layer ‐ 2 joint stereo: 20 ‐ 20,000Hz at 48kHz fs. 20 ‐ 15 kHz at 32kHz fs
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G.722: 20 ‐ 7,500Hz.
THD+N
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Audio loopback, 48kHz fs, analog I/O, input at 1kHz +20dBu: 0.004%
Dynamic Range
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A Weighting, AAC, Layer ‐ 3 or 2 end ‐ to ‐ end: 101dB typical
Send Input
Active balanced with RF protection.
Zephyr Xstream:
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LINE: Settable to ‐ 11 or +4dBu (or –15 to 0 dBu) nominal level
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Clip point: 18 dB above chosen nominal level.
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Impedance: > 10K (x2)
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Connector: XLR female/quarter ‐ inch TRS combo connector.
Zephyr Xstream MX and MXP:
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LINE: ‐ 11 or +4dBu nominal level (switchable).
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MIC: Accepts –65 to –24 dBu in 2 ranges (switchable). Mic impedance </= 1000
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Clip point: 15 dB above chosen nominal level.
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Impedance: Line > 10K (x2)
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Connector: XLR female/quarter ‐ inch TRS combo connector.
Limiter
Zephyr Xstream MX and MXP only:
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Internal DSP ‐ based AGC/limiter with Omnia® audio processing. Includes presets for
music & voice, selectable per channel.
Zephyr Xstream: