When Calls the Heart
When Calls the Heart
2013PG-1390 min
6.6

Technical Specifications & Lab Sheet

· When Calls the Heart
Directed by: Michael Landon Jr.
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Authoritative industrial technical sheet for When Calls the Heart (2013). Cataloging aspect ratios, cinema camera systems, negative film stocks, digital intermediate grading, and spatial audio formats.

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Aspect Ratios & Framing Standards

Primary Master
Theatrical Scope
2.39:1
2.39:1 Cinematic Frame

Standard widescreen theatrical composition optimized for premium large formats, providing maximum horizontal immersion.

IMAX Expanded Ratio
1.90:1 / 1.43:1
IMAX 1.43:1 Full Height

Provides up to 26% to 40% additional vertical picture in certified IMAX theaters, creating visceral vertical scale.

Digital & Home Master
1.78:1 / 16:9
16:9 UHD HDR

Digital stream and physical media master mastered with HDR10+ and Dolby Vision dynamic metadata.

Camera Packages & Laboratory Mastering Sheet

Camera Packages & Optics
Arri Alexa LF / Panavision Millennium DXL2
Negative / Sensor Format
35mm / 65mm / Digital Master
Printed Film / DCP Master
70mm / DCP Master
Sound Mix & Spatial Audio
Dolby AtmosDTS:X5.1 Surround
Color Science & Laboratory
Fotokem / Company 3 / Deluxe Digital · ACES Color Grading
Runtime & Physical Metrage
90 min (24 fps DCI) · ~8,100 feet equivalent

Cinematography Aesthetics & Spatial Sound Engineering

The visual architecture and acoustic design of When Calls the Heart (When Calls the Heart) represent an uncompromising commitment to theatrical immersion. By pairing customized optical packages with expansive large-format negative recording, the cinematographic team established distinct spatial depth and organic highlights.

Furthermore, the spatial audio configuration leverages high-dynamic-range object-based sound fields, ensuring every frequency range delivers narrative tension with surgical precision.