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Aja: IoHD

Anschlussbox und Hardware-Konverter für ProRes 422.

05.07.2007

Aja erweitert mit IOHD seine IO-Familie um einen Konverter, der sich via Firewire-800-Verbindung an einen Apple-Laptop (Macbook Pro) oder einen anderen Rechner aus der Mac-Pro-Baureihe anschließen lässt. In den Konverter lassen sich HD-Signale einspielen, die direkt in der IOHD-Box gemäß Apples neuem HD-Codec ProRes 422 konvertiert und komprimiert werden. ProRes 422 reduziert die Datenrate von HD-Signalen auf handliche, SD-ähnliche Größen — ähnlich wie Avids Codec DNxHD: ProRes 422 komprimiert HD-Signale laut Apple so effektiv, dass es unter anderem möglich sei, HD-Produktionen mit einem Laptop zu realisieren und dabei trotzdem eine hohe HD-Bildqualität zu erhalten, die sich rein visuell kaum von unkomprimiertem HD unterscheiden lasse.

IOHD von Aja ist derzeit die einzige Hardware-Lösung, die Apples ProRes 422 und ProRes 422 HQ unterstützt.

Signaltechnik

Autor: red

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