Telos Hx2

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:

1. 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
2. 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
3. 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
4. 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
5. 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.