Exclusively from Broadcom
APT manufactures codecs for audio links over IP Ethernet, ISDN, data circuits (X.21/V.35) and E1
Using their apt-X® predictive coding algorithm, high quality, point-to-point low delayduplex links are possible - ideal for live inter-studio or OB work. Options include MPEG 1 L2, L3, AAC, PCM and J57.
Introducing the WorldCast range of IP CODECs
The audio compression specialist, supplies its world renowned apt-X®algorithms in a variety of formats to leading audio manufacturers and users worldwide. Building on its established Worldnet range of CODECs for leased line and ISDN connections, APT has introduced a range of CODECs enabling easy migration to IP audio transport while retaining the reliability and audio performance associated with established APT audio codecs.
| WorldCast HORIZON |
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| WorldCast Horizon is a fully duplex, two channel stereo codec designed to enable real-time transport of broadcast quality audio over IP networks. Enhanced apt-X® coding ensures highly reliable connections with unparalleled audio quality for AM, FM, DAB and HD Radio broadcasting. DSP architecture for 24/7/365 reliability. more ... |
WorldCast ECLIPSE | WorldCast MERIDIAN |

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APT WorldCast Eclipse is a multi-algorthim, multi interface CODEC compatible with many other major manufacturers’ codecs. Multiple network interfaces are provided including IP for connections via Wide Area and Local Area Networks; X.21 for use with high speed fixed synchronous networks and ISDN.
more ... | Designed primarily for studio to transmitter links and inter-studio networking applications, the WorldCast Meridian offers broadcasters a choice of main and back-up telecom links as well as a suite of popular coding algorithms. Control is via front panel operation or using the Codec Management Software package supplied.
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WorldNet OSLO with up to 4 path IP Connectivity
APT is regarded as an industry leader and is at the forefront of its field having developed the highly acclaimed 16 bit Standard apt-X® and 16 and 24 bit Enhanced apt-X® algorithms, This patented technology is recognised throughout the industry as providing the highest quality audio at the lowest delay and, as a result, has achieved international penetration in the worlds of broadcasting and professional audio.
WorldNet OSLO
The WorldNet OSLO is the ideal choice for multi-channel apt-X®solutions over IP and E1/T1 circuits. Space efficient, the OSLO offers a range of interface modules, for both simplex and duplex links. AES interfaces are available as well as serial RS232 interfaces. Dual AC and DC power supply options are available and Network Management software. 2 x Dual port IP transport cards offers network card redundancy and/or multi-network access. more ... | 
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WordNet OSLO - IP Transport Card
The IP transport card acts as a real time IP multiplexer, ensuring that programme streams stay related to audio cards. The card runs a variety of IP protocols, i.e. RTP, UDP and different streaming modes are supported using unicast and multiple unicast. Using the Network Management software, simplex and duplex streams to destination addresses can be set up, all carrying different program content, or mirroring same content if required. | 
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