Nanjing Radio Connects with NTP
Nanjing Radio, one of China’s largest regional broadcast networks, has invested in NTP Technology Penta 720 audio embedder/de-embedders and 721 routing/networking interfaces at its studio headquarters in Nanjing City. Nanjing Radio is a family of radio stations transmitting via terrestrial FM and AM across the Jiangsu region of the People’s Republic of China and more widely online.
Part of the Nanjing Television Broadcast Group, Nanjing Radio currently comprises 11 channels: Comprehensive News Channel (O1), Education Channel (O5), Film/Television Channel (O2), Literature Channel (O3), Lifestyle Channel (O4), Kids Channel (O7), Nanjing News (Xinwen) Channel (NJXWT), Nanjing Economy Channel (NJJJT1), Nanjing Sports Channel (NJJJT2), Nanjing Music (Yin Yue) Channel (NJYYT), and Nanjing Traffic (Jiao Tong) Channel (NJJTT).
“Nanjing Radio identified the Penta 720 and 721 as the ideal way to interconnect four of its studios via audio-over-IP and MADI,” says NTP Technology Sales Director Mikael Vest.
“Each Penta 720 includes a 1024 x 1024 multiplexer and is able to route all inputs and outputs via up to three MADI I/O connections or IP audio. Configurable from a range of optional modules, it supports eight channel AES3 I/O channels, MADI, two IP audio Ethernet I/Os and an Avid Pro Tools interface. Additional features include SDI embedding/de-embedding as well as analog-to-digital and digital-to-analogue conversion.
“IP audio networking is more flexible and less costly than the traditional AES/EBU, AES50 or MADI point-to-point distribution. The Penta 721 routing interfaces allow digital audio distribution via IP-based Gigabit Ethernet. A full-bandwidth uncompressed audio routing network can be established quickly and easily, connecting multiple remote sites such as regional broadcast stations through a local or wide area network. The IP audio protocol used in the Penta 721 is powered by Audinate Dante technology and is compatible with Dante-compliant third-party products.”
The project was negotiated via NTP’s long-standing sales partner in China, Infomedia Digital Technology.
Designed for use in production studios, outside broadcast vehicles and public-event venues, the Penta 720 occupies 2U. Up to eight optional cards plus an optional mini module can be incorporated to match specific operational requirements. The range of available plug-in cards includes an eight-channel analog input interface, eight-channel analogue output, two-channel SDI/HD/3G embedder interface, two-channel SDI/HD/3G de-embedder interface.
NTP’s Penta 721 can route up to 512 channels across a 1 gigabit per second network, within a latency of less than a millisecond. Additional channels can be accommodated if the network capacity is higher. The interface is TCP/IP controlled via one or two Ethernet ports. Signal sources and destinations can be configured onscreen via any standard browser using NTP’s RCCoreV4 routing control software.
Each Penta 721 chassis incorporates eight AES/EBU input/output channels plus up to three MADI input/outputs, two IP Audio Ethernet inputs/outputs and an interface allowing direct operation from Avid Pro Tools. Dedicated control software compatible with Microsoft Windows can be employed for controlling and setting up the Penta 721 on a unit-to-unit basis when less advanced operation is required.
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