ISO 1188:1984
(Main)Cinematography - Recorded characteristic for magnetic sound on full-coat 16 mm motion-picture film - Specifications
Cinematography - Recorded characteristic for magnetic sound on full-coat 16 mm motion-picture film - Specifications
This International Standard specifies the recorded characteristic for magnetic sound records on 16 mm full-coat perforated magnetic film when used at the nominal speed of 24 frames [18,3 cm (7.2 in)] per second, or 25 frames [19,05 cm (7.5 in)1 per second.
Cinématographie — Caractéristique d'enregistrement sonore sur film cinématographique 16 mm magnétique, couché pleine largeur — Spécifications
La présente Norme internationale spécifie la caractéristique d'enregistrement à réaliser sur les films magnétiques 16 mm couchés pleine largeur lorsque ceux-ci sont utilisés C?I Ia vitesse nominale de 24 images 118,3 cm (72 in)l par seconde, ou à 25 images [19,05 cm Ia,5 in)] par seconde.
General Information
- Status
- Published
- Publication Date
- 31-Oct-1984
- Technical Committee
- ISO/TC 36 - Cinematography
- Drafting Committee
- ISO/TC 36/WG 3 - Audio technology
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 10-Jul-2023
- Completion Date
- 13-Dec-2025
Relations
- Effective Date
- 15-Apr-2008
Overview
ISO 1188:1984 specifies the recorded characteristic for magnetic sound on full-coat, perforated 16 mm motion-picture film used at the nominal speeds of 24 frames/s (18.3 cm / 7.2 in) or 25 frames/s (19.05 cm / 7.5 in). This International Standard, produced by ISO/TC 36 (Cinematography), defines the nominal recording characteristic, normalized to 400 Hz, and includes numerical approximations and tolerances for practical recording and playback.
The second edition (1984) replaces the first (1974) and documents the frequency-dependent recording level (in dB) expected from magnetic sound records on full-coat 16 mm film. The standard also provides a graphical tolerance band for acceptable recorded levels.
Key Topics
- Nominal speeds: 24 fps and 25 fps for full-coat 16 mm magnetic film.
- Normalized reference: Values are normalized to 400 Hz.
- Frequency characteristic: The standard gives approximate dB values across a frequency range (low frequencies through 16 kHz) and describes how the recorded level falls off with frequency.
- Analytical representation: A logarithmic expression in the document represents the nominal characteristic as a function of frequency; the time constant referenced in the text is provided in the standard.
- Tolerances and calibration: A figure in the standard specifies tolerance bands for recorded level versus frequency to ensure interchangeability and consistent performance.
Applications
This standard is primarily relevant to professionals and organizations working with magnetic sound on 16 mm motion-picture film, including:
- Film laboratories and sound recordists calibrating magnetic recording chains.
- Post-production and duplication facilities ensuring compatible sound transfers.
- Archivists and preservation specialists validating recorded sound fidelity on historic 16 mm magnetic prints.
- Equipment manufacturers designing record/playback heads and chain components for 16 mm magnetic film.
Practical benefits include:
- Consistent frequency response across recordings, improving intelligibility and tonal balance.
- Clear calibration targets for recording and playback equipment.
- Guidance for quality control and interchangeability between labs and archives.
Related Standards
- Other ISO cinematography standards produced by ISO/TC 36 that address film formats, projection and sound practices.
- National and industry guidance on magnetic recording calibration procedures, archival handling and transfer best practices.
For precise numeric tables, the exact formula, and the graphical tolerance plot, consult the ISO 1188:1984 document. The standard contains the authoritative numerical values and figures required for implementation and equipment calibration.
ISO 1188:1984 - Cinematography -- Recorded characteristic for magnetic sound on full-coat 16 mm motion-picture film -- Specifications
ISO 1188:1984 - Cinématographie -- Caractéristique d'enregistrement sonore sur film cinématographique 16 mm magnétique, couché pleine largeur -- Spécifications
ISO 1188:1984 - Cinématographie -- Caractéristique d'enregistrement sonore sur film cinématographique 16 mm magnétique, couché pleine largeur -- Spécifications
Frequently Asked Questions
ISO 1188:1984 is a standard published by the International Organization for Standardization (ISO). Its full title is "Cinematography - Recorded characteristic for magnetic sound on full-coat 16 mm motion-picture film - Specifications". This standard covers: This International Standard specifies the recorded characteristic for magnetic sound records on 16 mm full-coat perforated magnetic film when used at the nominal speed of 24 frames [18,3 cm (7.2 in)] per second, or 25 frames [19,05 cm (7.5 in)1 per second.
This International Standard specifies the recorded characteristic for magnetic sound records on 16 mm full-coat perforated magnetic film when used at the nominal speed of 24 frames [18,3 cm (7.2 in)] per second, or 25 frames [19,05 cm (7.5 in)1 per second.
ISO 1188:1984 is classified under the following ICS (International Classification for Standards) categories: 37.060.20 - Motion picture films. Cartridges. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 1188:1984 has the following relationships with other standards: It is inter standard links to ISO 1188:1974. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 1188:1984 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
International Standard
-
INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON.MEX~YHAPO~HAR OPTAHM3AL&lR fl0 CTAHLZAPTM3AlWlM@ORGANlSATlON INTERNATIONALE DE NORMALISATION
Cinematography - Recorded characteristic for magnetic
sound on full-coat 16 mm motion-picture film -
Specifications
Cindma tographie - Caractbristique d’enregistrement sonore sur film cinematographique 16 mm magnbique, couch& pleine
Spkifica tions
largeur -
Second edition - 1984~1’9-15
UDC 771.531.352 : 778.534.425 Ref. No. IS0 1188-1984 (E)
: cinematography, motion-picture film, motion picture’ film 16 mm, magnetic recording, sound recording, characteristics.
Descriptors
Price based on 1 page
Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards bodies (IS0 member bodies). The work of preparing International
Standards is normally carried out through IS0 technical committees. Every member
body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, govern-
mental and non-governmental, in liaison with ISO, a,lso take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 1188 was prepared Technical Committee ISO/TC 36,
bY
Cinema tograph y.
IS0 1188 was first published in 1974. This second edition cancels and replaces the first
edition, of which it constitutes a technical revision.
0 International Organization for Standardization, 1984
Printed in Switzerland
~-- .--- - - -~ - -
I
...
Norme internationale
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONOMEX~YHAPO~HAR OPrAHM3ALWlR n0 CTAHflAPTM3ALW*ORGANISATION INTERNATIONALE DE NORMALISATION
Cinématographie - Caractéristique d’enregistrement
sonore sur film cinématographique 16 mm magnétique,
couché pleine largeur - Spécifications
Record& characteristic for magnetic sound on full-coat 16 mm motion-picture film - Specifïcations
Cïnema tograph y -
Deuxième édition - 1984-11-15
CDU 771.531.352 : 778.534.425 Réf. no : ISO 1188-1984 (FI
Descripteurs : cinématographie, film cinématographique, film cinématographique 16 mm, enregistrement magnétique, enregistrement du son,
caractéristique.
Prix basé sur 1 page
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale
d’organismes nationaux de normalisation (comités membres de I’ISO). L’élaboration
des Normes internationales est confiée aux comités techniques de I’ISO. Chaque
comité membre intéressé par une étude a le droit de faire partie du comité technique
créé à cet effet. Les organisations internationales, gouvernementales et non gouverne-
mentales, en liaison avec I’ISO, participent également aux travaux.
Les projets de Normes internationales adoptés par les comités techniques sont soumis
aux comités membres pour approbation, avant leur acceptation comme Normes inter-
nationales par le Conseil de I’ISO. Les Normes internationales sont approuvées confor-
mément aux procédures de I’ISO qui requièrent l’approbation de 75 % au moins des
comites membres votants.
La Norme internationale ISO 1188 a été élaborée par le comité technique ISO/TC 36,
Cinématographie.
La Norme internationale ISO 1188 a été publiée pour la première fois en 1974. Cette
deuxiéme édition annule et remplace la première édition, dont elle constitue une révi-
sion technique.
0 Organisation internationale de normalisation, 1984
Imprimé en Suisse
ISO 1188-1984 (F)
NORME INTERNATIONALE
.
aractéristique d’enregistrement
Cinématographie
...
Norme internationale
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONOMEX~YHAPO~HAR OPrAHM3ALWlR n0 CTAHflAPTM3ALW*ORGANISATION INTERNATIONALE DE NORMALISATION
Cinématographie - Caractéristique d’enregistrement
sonore sur film cinématographique 16 mm magnétique,
couché pleine largeur - Spécifications
Record& characteristic for magnetic sound on full-coat 16 mm motion-picture film - Specifïcations
Cïnema tograph y -
Deuxième édition - 1984-11-15
CDU 771.531.352 : 778.534.425 Réf. no : ISO 1188-1984 (FI
Descripteurs : cinématographie, film cinématographique, film cinématographique 16 mm, enregistrement magnétique, enregistrement du son,
caractéristique.
Prix basé sur 1 page
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale
d’organismes nationaux de normalisation (comités membres de I’ISO). L’élaboration
des Normes internationales est confiée aux comités techniques de I’ISO. Chaque
comité membre intéressé par une étude a le droit de faire partie du comité technique
créé à cet effet. Les organisations internationales, gouvernementales et non gouverne-
mentales, en liaison avec I’ISO, participent également aux travaux.
Les projets de Normes internationales adoptés par les comités techniques sont soumis
aux comités membres pour approbation, avant leur acceptation comme Normes inter-
nationales par le Conseil de I’ISO. Les Normes internationales sont approuvées confor-
mément aux procédures de I’ISO qui requièrent l’approbation de 75 % au moins des
comites membres votants.
La Norme internationale ISO 1188 a été élaborée par le comité technique ISO/TC 36,
Cinématographie.
La Norme internationale ISO 1188 a été publiée pour la première fois en 1974. Cette
deuxiéme édition annule et remplace la première édition, dont elle constitue une révi-
sion technique.
0 Organisation internationale de normalisation, 1984
Imprimé en Suisse
ISO 1188-1984 (F)
NORME INTERNATIONALE
.
aractéristique d’enregistrement
Cinématographie
...
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