Chapter 14: specs & warranty – Telos Zephyr Xstream User Manual
Page 305

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