Last Updated 2 days ago
These filmmaking terms starting with 9 cover vertical framing, large sound layouts, a historic film gauge and practical camera and audio specifications. Use the definitions to distinguish picture shape, shutter time, sample rate, battery capacity and remote-control connections.
Browse by number:
Browse A–Z:
9.1.4 / 9.1.6 Speaker Layouts
Immersive-audio layouts with nine ear-level channels, one LFE channel and either four or six overhead positions. A typical nine-channel ear-level arrangement adds front-wide positions to 7.1. The notation identifies the monitoring or playback layout, not the complete structure or object count of an Atmos master. The “.1” identifies an LFE channel rather than limiting every room to one physical subwoofer.
9.5mm Film
A small-gauge film format introduced by Pathé in 1922 for the Pathé Baby system. Its distinctive perforation is positioned between frames near the centre of the film, rather than in a conventional side row. It became important for home viewing, amateur production and the survival of otherwise lost films. It requires compatible handling and projection equipment; it is not a variation of 8mm that can simply run through an 8mm projector.
9:16 Aspect Ratio
A portrait frame nine units wide for every sixteen high, commonly used for vertical video. A familiar example is 1080 × 1920. It describes shape, not a platform or mandatory resolution. Plan composition, text and action for the vertical frame; rotating or cropping a landscape image may remove important information.
9-Pin Remote / Sony 9-Pin
A common broadcast deck-control arrangement using a nine-contact D-sub connector and an RS-422 serial connection with a compatible command protocol. It can carry transport commands and status information between equipment such as a recorder, controller and editing system. It does not carry the programme picture or sound. A connector with nine contacts is not automatically compatible: check the protocol, pinout and equipment roles. See SDI for a separate video signal path.
90° Shutter
A shutter angle exposing each frame for approximately one quarter of its frame interval. At true 24 fps, the exposure is about 1/96 second. Compared with 180° at the same rate, it gives less motion blur and one stop less exposure, often creating a sharper, more staccato impression during movement. It is not a camera’s field of view or angle of rotation. Compare 360° shutter.
96 kHz Sample Rate
Audio sampled 96,000 times per second per channel. With a suitable recording chain, the higher sampling rate can be useful for some sound-effects recording and substantial pitch or speed manipulation. It is not a camera frame rate, and does not automatically improve ordinary dialogue. At equal bit depth and channel count, uncompressed PCM at 96 kHz needs twice the audio-data storage of 48 kHz. Confirm post-production requirements before choosing it.
98Wh Battery
A production battery with a nominal energy capacity of 98 watt-hours. This is different from its voltage, amp-hour capacity or maximum continuous output. A rough ideal runtime estimate is watt-hours divided by the total load in watts: 98Wh powering 50W is about 1.96 hours before real-world losses and other limits. Check voltage, connector, discharge rating and the complete camera or lighting load; capacity alone does not establish compatibility.
These numbers become useful when tied to the actual image, recording chain or equipment in front of you. Use the related terms to check that context, then browse terms starting with 0 or return to the filmmaking dictionary for departments and topics.
Browse by number:
Browse A–Z: