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You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/hdtv.ru/engine/modules/show.full.php on line 457 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/hdtv.ru/engine/modules/show.full.php on line 457 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/hdtv.ru/engine/modules/show.full.php on line 457 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/hdtv.ru/engine/modules/show.full.php on line 457 Последние обновления Ultra HD
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Последние обновления Ultra HD


10.12.2013
Последние обновления Ultra HD


Недавно Общество кино и телеинженеров (Society of Motion Picture and Television Engineers - SMPTE ) организовало конференцию для обсуждения процесса стандартизации телевидения ультра-высокой четкости (UHDTV), в понятие которого теперь попадает и супер разрешение, известное также как 8К или Super Hi-Vision. Необходимость в общих стандартах сегодня уже особенно важна, поскольку продажи телевизоров ультра высокой четкости, как ожидается, будут расти.

Одним из наиболее впечатляющих фактов является то, что диапазон цветов (цветовая палитра или гамма) UHDTV позволяет почти вдвое превысить цветовое разрешение человеческого глаза и возможности существующего съемочного оборудования.

На самом деле разрабатывается два стандарта: UHDTV1 и UHDTV2. Проще всего их будет различать по разрешению кадра. UHDTV1 будет иметь 4K разрешение 3840 х 2160 пикселей, тогда как UHDTV2 поддерживает колоссальное, 8K разрешение 7680 х 4320 пикселей. Оба стандарта будут поддерживать 10 и 12 битную глубину цвета, с цветовой субдескритизацией 4:4:4, 4:2:2 и 4:2:0. От 8 битного цвета и интерлейсинга можно будет отказаться. Скорее всего, базовой частотой кадров будет 120 кадров в секунду, которая делится на многие популярные сегодня частоты кадров, такие как 24, 30 и 60 Гц.

Все это представляется большим шагом вперед. Тем не менее, ясно, что существуют многочисленные проблемы при реализации новой технологии.
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