The Telos Hx2 Digital Hybrid is the cutting-edge solution designed for analog phone lines in broadcasting environments, offering a host of features and robust specifications. Here’s a detailed overview:
Features:
- Hybrid Capacity:
- Hx1: Single-line capacity
- Hx2: Two-line capacity
- Standard analog I/O with switchable mic/line input
- Optional AES/EBU digital audio I/O available at the time of order or as a field upgrade kit
- Advanced DSP Algorithms:
- Optimized for superior performance with various incoming call types
- Incorporates Telos DDEQ (Digital Dynamic EQ) and adjustable smart-level AGC for consistent audio quality
- Utilizes symmetrical wide-range AGC by Omnia Audio for smooth audio processing
- Audio Sweetening Tools:
- Telos DDEQ for dynamic equalization
- Smart AGC / Platform Leveler for consistent audio levels
- Noise gate and frequency shifter for noise reduction
- Studio adaptation and pitch shifter to prevent feedback in open-speaker environments
- Adjustable caller override for precise control
- Analog and Digital I/O:
- Analog I/O with 24-bit A/D/A sample rate conversion and 20 dB headroom
- Optional AES/EBU I/O with sample rate converters supporting rates from 32 kHz to 48 kHz
- Auto-Answer and Call Management:
- Auto-Answer with selectable ring count and disconnect-signal detection
- Call screening and line-hold features for efficient call handling
Specifications:
General:
- Telos 3rd-generation Adaptive Digital Hybrid
- Telos Exclusive Feedback Reduction Functions
Analog Inputs/Outputs:
- Send Analog Inputs: 1 for Hx1, 2 for Hx2 (per hybrid)
- Receive Analog Outputs: 1 for Hx1, 2 for Hx2 (per hybrid)
- Analog Clip Point: +21 dBu
- Analog-to-Digital Converter Resolution: 24 bits
- Digital-to-Analog Converter Resolution: 24 bits
AES3 Digital Inputs/Outputs (optional):
- Sample rates: 32 kHz to 48 kHz
- Rate conversion: Input and output independently selectable
- Output Clock: AES input or internal 48 kHz
Audio Performance:
- Frequency Response: 200 to 3400 Hz, +/- 1 dB
- THD+N: < 0.5% THD+N using 1 kHz sine wave
- Dynamic Range: > 92 dB (Analog in to Analog out, studio loop mode, 10 Hz-20 kHz A-weighted)
- SNR: > 72 dB (Analog output, referred to -12 dBm phone line signal, 10 Hz-20 kHz A-weighted)
- Trans-Hybrid Loss: > 55 dB (Analog phone line with ducking, gate, AGC, EQ all OFF relative to +4 dBu input level)
Analog Telephone Line Connectivity:
- Universal interface with programmable loop current, ring signaling, and flash time
- Caller ID decoding using Bellcore 212 modem standard
Power Supply:
- Internal auto-ranging power supply (90–265 VAC auto-switching, 50–60 Hz)
- Power consumption: 100 Watts
The Telos Hx1 and Hx2 Digital Hybrids deliver outstanding audio quality and versatile features, making them ideal for various broadcasting applications.
