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Telephone Hybrids

Telephone Hybrids Contents

Introduction
Analogue - HY-03 Products
Digital - DHY-04 Products

 

Outstanding Quality From Industry Standard Telephone Hybrids

Telephone hybrids, or telephone balance units (TBUs) provide the interface between professional audio equipment and the public telephone network. They provide protection for your equipment and the public telephone lines, allowing for varying line signals and line conditions. Automatically cancelling out the unwanted signal they also facilitate two-way communication down a single telephone line.

Each telephone hybrid has a telephone line connection, a handset connection and separate terminals for audio input and output from a broadcast mixer, or other professional audio source.

A large proportion of Sonifex hybrids are used in radio and television broadcasting applications for allowing external callers to be connected to the studio mixing console. Most of the other units are supplied to communication operations for allowing extremely effective conversion between 4-wire audio circuits and standard telephone lines.

A ringing detector can be used when you need to answer a call automatically, for instance, if a journalist files a report to a PC recorder over a telephone line, the call can be picked up after a set number of rings by the ringing detector. The HY-03 has a built in ringing detector that is enabled by one of the configuration settings switches on the rear panel.

Analogue, Digital or GSM or HD Voice?

Sonifex offer a few different hybrid units:

  • The HY-03 analogue telephone hybrid.
  • The DHY-04 DSP based telephone hybrid.
  • The DHY-04V DSP based telephone hybrid.

The analogue HY-03 hybrid is suitable for most general telephony applications and is often used in radio and TV stations, trading floors and conferencing centres. The HY-03 can be used for any application where a clean telephone signal is required and the line is not subject to signal delay.

The DHY-04 offers near perfect performance, using DSP power to dramatically improve the unit’s operation. The DHY-04 offers the features of the HY-03, but has some other benefits:

  • Echo cancellation is possible and distortion of other mixed signals is greatly improved.
  • Digital hybrids are more tolerant to fluctuating line conditions and are especially suitable for dealing with calls that have a slight signal delay, for example, satellite and conference calls. The DHY-04 can recall signals from its memory buffer and allow for these delays without impairing performance.
  • Ethernet connectivity with a built-in web browser for configuration, control and dialling.
  • Combined AES/EBU digital and analogue audio inputs.
  • Front panel speed-dial buttons.

Note: The HY-03 and DHY-04 products are operating on analogue telephone lines, not ISDN or IP digital lines. The “analogue” and “digital” refer to the processing used in the units.
Back to Telephone Hybrids Contents >

HY-03 logo

Analogue HY-03

HY-03 Automatic Analogue TBU, Free Standing
more >> HY-03 image
HY-03S Automatic Analogue TBU, Rack Mounted more >> HY-03S image
HY-03T Twin Automatic Analogue TBU, Rack Mounted more >> HY-03T image
HY-03DTD Dial Tone Detect Add-on Board more >> HY-03DTD image
HY-03CON Front Panel Conversion Kit, HY-03S to HY-03 more >> HY-03CON image
HY-03SCON Front Panel Conversion Kit, HY-03 to HY-03S more >> HY-03SCON image
HY-03TCON Front Panel Conversion Kit, HY-03 or
HY-03S to HY-03T
more >> HY-03TCON image
Back to Telephone Hybrids Contents >
       
DHY-04 logo

Digital DHY-04

DHY-04 Single Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet. more >> DHY-04
DHY-04S Single Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet. more >> DHY-04S
DHY-04T Twin Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet. more >> DHY-04T
DHY-04V Single Automatic 4G Hybrid with HD Voice, AES/EBU & Analogue I/O with Ethernet more >> DHY-04
DHY-04VS Single Automatic 4G Hybrid with HD Voice, AES/EBU & Analogue I/O with Ethernet more >> DHY-04S
DHY-04VT Twin Automatic 4G Hybrid with HD Voice, AES/EBU & Analogue I/O with Ethernet more >> DHY-04T
DHY-04CON Front Panel Conversion Kit, DHY-04S to DHY-04 more >> DHY-04CON
DHY-04SCON Front Panel Conversion Kit, DHY-04 to DHY-04S more >> DHY-04SCON
DHY-04TCON DHY-04SCON Front Panel Conversion Kit, DHY-04 to DHY-04T more >> DHY-04TCON
DHY-04VCON Front Panel Conversion Kit, DHY-04VS
to DHY-04V
more >> DHY-04CON
DHY-04VSCON Front Panel Conversion Kit, DHY-04V
to DHY-04VS
more >> DHY-04SCON
DHY-04VTCON DHY-04VSCON Front Panel Conversion Kit, DHY-04 to DHY-04VT more >> DHY-04TCON
DHY-04VUP Upgrade Kit with a swappable module to convert your legacy DHY-04G/DHY-04HD to VoLTE standard. more >> HY-03DTD image
       
 
Back to Telephone Hybrids Contents >    

Products By Brand

  • AVN
  • DHY-04
  • Flashlog
  • HY-03
  • Net-Log
  • Pro Audio Streamers
  • Redbox
  • Reference Monitors
  • S0v2
  • S1
  • S2
  • S2 Solutions
  • SignalLED
  • Talkback, IFB &Commentary

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Sonifex Ltd. 61 Station Road, Irthlingborough, Northants, NN9 5QE, UK. Tel: +44 (0)1933 650700 EMail: sales@sonifex.co.uk