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Streaming y grabacin de vdeo con Matrox Monarch HD

26/09/2013

Streaming y grabaci n de v deo con Matrox Monarch HD Este peque o y sencillo dispositivo de transmisi n y grabaci n de video permite transmitir un evento en vivo y grabar simult neamente una versi n de calidad superior para las posteriores tareas de edici n.

Matrox cuenta ahora en su portfolio de soluciones con Monarch HD, un peque o y sencillo dispositivo de transmisi n y grabaci n de video que se ha dise ado para los productores de video profesionales que necesitan transmitir un evento en vivo y grabar simult neamente una versi n de calidad superior para las posteriores tareas de edici n.

Al separar la tarea de grabaci n del streaming en una misma unidad integrada, Matrox Monarch HD se asegura de que las redes de entrega de contenidos (CDN, del ingl s Content Delivery Network) se centran en distribuir al p blico video de calidad mientras se controla la calidad del archivo.

Desde cualquier fuente de entrada HDMI, como una c mara o un selector, Matrox Monarch HD genera una transmisi n con codificaci n H.264 que cumple con los protocolos RTSP o RTMP. Al mismo tiempo que codifica las se ales de video con unas tasas de bits adecuadas para el streaming en directo, Matrox Monarch HD puede grabar de manera simult nea un archivo MP4 de alta calidad en una tarjeta SD, una unidad USB o una unidad de red asignada. Adem s, Matrox Monarch HD se controla de forma remota desde cualquier PC o dispositivo m vil que disponga de explorador de Internet.

Si merece la pena transmitir un evento, tambi n la merece grabarlo con la mejor calidad posible. Cuanto mejor sea la calidad de grabaci n, mayor valor tendr el contenido producido con posterioridad. Estos contenidos pueden ofrecerse a la audiencia como archivos VOD generados en un plazo muy corto o como un resumen de los mejores momentos completamente editado y finalizado.

Ya que la calidad de la grabaci n no deber a verse afectada por el ancho de banda de carga, Matrox Monarch HD permite establecer tasas de bits de hasta 30 Mbps mientras que se transmite simult neamente a 20 Mbps.

Matrox Monarch HD inyecta video de la mejor calidad en cada bit sea cual sea la fuente de entrada o la tasa de bits objetivo. Al combinarse la potencia del codificador H.264 integrado con los motores de escalado y eliminaci n de entrelazado de alta calidad de Matrox, est n garantizados unos resultados asombrosos.

Preparado para editar y cargar con MP4

Matrox Monarch HD graba video H.264 de alta calidad como archivos MP4, lo que ofrece la m xima flexibilidad para todas las aplicaciones. Cargue un archivo en su propio servidor Web o en una red CDN como YouTube. O bien, importe directamente el archivo a una amplia variedad de herramientas de creaci n sin necesidad de transcodificar.

En cuanto a conectividad, la salida HDMI de Matrox Monarch HD permite monitorizar f cilmente lo que se transmite y graba, con independencia de si la se al se recibe de una c mara, un selector un convertidor de se al o un PC. Pueden procesarse y distribuirse ocho canales de audio integrado. Tambi n hay disponibles dos canales de audio con salida de bucle mediante conectores est reo de 1/8 .

Potente y robusto, el dispositivo Matrox Monarch HD ofrece sencillos botones f sicos de grabaci n y streaming con un toque, bajo consumo energ tico y un conector de alimentaci n de bloqueo, y no cuenta con ventilador. Su dise o permite colocarlo con facilidad tanto sobre una mesa como montado en bastidor - en una bandeja 1RU pueden montarse hasta tres unidades. El software ha sido desarrollado sobre un SO Linux integrado seguro, por lo que no hay ning n riesgo de que se realicen actualizaciones autom ticas o no programadas con servidores de terceros.

Es de destacar que, tanto si se est distribuyendo contenido en vivo a servidores Flash o Wowza como a cualquier red CDN conocida, la tarea resulta muy sencilla gracias a la compatibilidad de Matrox Monarch HD con diversos protocolos de Internet para streaming. Sus tiles ajustes de codificaci n preestablecidos permiten seleccionar la resoluci n m s apropiada de acuerdo al ancho de banda disponible. Los par metros de streaming de codificaci n objetivo solo deben especificarse una vez y se guardan como perfil exclusivo. Es posible guardar varios perfiles si el dispositivo se emplea en entornos diferentes. Cada perfil puede cargarse al instante sin tener que volver a introducir los datos.

Matrox Monarch HD permite seleccionar entre una amplia gama de tipos de soportes de grabaci n. Utilice una unidad o dispositivo USB cuando la movilidad sea importante. Una tarjeta SD puede ser la mejor opci n cuando se requiere una soluci n m s segura y compacta. Como alternativa, una unidad de sistema en un PC de la red puede resultar extremadamente til cuando varias personas necesitan acceder al metraje.

Independientemente de d nde se guarde el metraje, los controles de grabaci n pueden ejecutarse sin afectar a las operaciones de streaming. Durante la sesi n de streaming, en todo momento hay disponibles archivos de alta calidad con los que se puede crear contenido de video complementario.

Una simple p gina Web es todo lo que se necesita para controlar Matrox Monarch HD. La unidad se controla y configura con cualquier dispositivo de la red que admita una aplicaci n de exploraci n Web est ndar. Una vista preliminar de la transmisi n de IP principal est integrada en la p gina Web de control.

Daniel Maloney, director de marketing t cnico de v deo en Matrox, ha asegurado que Matrox Monarch HD inyecta v deo de alta calidad en todos los bits independientemente de la entrada o de la velocidad de bits. Combinando una funci n de codificador H.264 con desentrelazado de alta calidad y y el motor de escalado de Matrox, los resultados son impresionantes .
LINK: http://www.panoramaaudiovisual.com/en/2013/09/26/streaming-y-grabacion...
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