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FREQUENCE DEMI-IMAGE [1 record]
Record 1 - internal organization data 2009-11-06
Record 1, English
Record 1, Subject field(s)
- Television (Radioelectricity)
- Video Technology
- Cinematography
- Informatics
Record 1, Main entry term, English
- field frequency
1, record 1, English, field%20frequency
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- field repetition rate 2, record 1, English, field%20repetition%20rate
correct
- field rate 3, record 1, English, field%20rate
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
In an interlaced video signal, the rate at which image fields are scanned, i.e. the number of fields per second. 4, record 1, English, - field%20frequency
Record number: 1, Textual support number: 1 OBS
[Fields are] constituted of alternate odd or even lines of the picture. 4, record 1, English, - field%20frequency
Record number: 1, Textual support number: 2 OBS
In the United States, the field frequency is 60 per second, or twice the frame frequency. 5, record 1, English, - field%20frequency
Record 1, French
Record 1, Domaine(s)
- Télévision (Radioélectricité)
- Vidéotechnique
- Cinématographie
- Informatique
Record 1, Main entry term, French
- fréquence de trame
1, record 1, French, fr%C3%A9quence%20de%20trame
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- fréquence de demi-image 2, record 1, French, fr%C3%A9quence%20de%20demi%2Dimage
feminine noun, less frequent
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La fréquence de trame ou de demi-image est de 60 Hz, car on balaie des trames par période d'image de 1/30 s. De cette façon, on présente 60 demi-images par seconde. Cette fréquence est assez grande pour éliminer le papillotement. 2, record 1, French, - fr%C3%A9quence%20de%20trame
Record number: 1, Textual support number: 1 OBS
[Une image correspond à l'entrelacement des] lignes du groupe de numéros impairs avec celles du groupe de numéros pairs. 2, record 1, French, - fr%C3%A9quence%20de%20trame
Record 1, Spanish
Record 1, Textual support, Spanish
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