Pratique du Shadowing: Embedded Systems Explained in 3 minutes - Apprendre l'anglais à l'oral avec la vidéo
Création de la leçon...
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An embedded system is an autonomous electronic and computer system, with the goal of executing a well -defined task in real -time.
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Here we see the first difference from a PC, which is versatile because it can run many types of applications, whereas an embedded system only performs a dedicated function.
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Furthermore, embedded systems are often invisible to the user
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because they are integrated within a device
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that itself serves a function for example a microwave oven an
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airplane a washing machine etc domains of embedded systems are primarily
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found in the following areas first we have general computing similar to pc applications
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but integrated into an embedded system such as smartphones tablets etc
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then systems control such as motor control automotive applications aviation
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and navigation systems also signal processing with examples like radar sonar
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and video compression and finally communication and networks involving information transmission telephony
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and the internet for example
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so as you can see there are many embedded systems today
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embedded systems far outnumber computers in terms of quantity an embedded system typically consists of microcontroller that solves a specific problem,
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often subject to time and size constraints.
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A microcontroller is an integrated circuit that combines essential computer elements that includes a processor to provide computing power,
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a central memory, often limited, containing the program and data, sensors acting as inputs to receive information,
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such as temperature, vibration, humidity,
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proximity, pressure, or contact, and actuators or outputs that allow the embedded system to perform actions on the external real world environment.
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These can include LEDs, display screens, speakers, alarms, or a combination of these, as seen in an airplane cockpit.
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Finally, embedded systems are equipped with communication means that enable them to communicate via the internet with external applications and end users.
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This is the phenomenon of the Internet of Things, or IoT.
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It's important to note
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that there is a significant difference between embedded systems based on the device in
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which they are embedded and the complexity of the task they perform.
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On one hand, there are small -scale embedded systems with very simple hardware
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and software sufficient for basic tasks like a coffee machine that transforms your coffee capsule.
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On the other hand, there are advanced and sophisticated embedded systems found in devices like airplanes,
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designed to facilitate piloting and improve safety.
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The design of an embedded system typically depends on the characteristics and constraints of the device in which it is integrated.
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This includes considerations such as weight and size, program size and required execution time, especially for embedded systems with basic hardware.
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The appropriate hardware to run the software Energy consumption,
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optimized based on the size and complexity of the embedded system Continuity of operation,
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which requires embedded systems to withstand harsh external conditions such as vibrations, shocks, temperature variations, and weather And finally,
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manufacturing costs, determined by the aforementioned constraints Thanks a bunch for tuning in.
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To stay in the loop with all things tech and computer science, be sure to click that subscribe button and ring that notification bell.
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Goodbye.
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Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau C1 s’appuie sur la vidéo « Embedded Systems Explained in 3 minutes ». Les mots qui reviennent le plus souvent : embedded, integrated, applications, device, computer. Cette vidéo contient 37 phrases et 509 mots à répéter en shadowing. La partie parlée dure 3:48. Le locuteur parle à un rythme régulier d’environ 134 mots par minute, confortable pour le shadowing. Seuls 75 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.
Vocabulaire clé de cette vidéo
Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| embed verbe | /ɪmˈbɛd/ | insérer, encastrer |
| integrate verbe | /ˈɪn.tɪ.ɡɹeɪt/ | intégrer |
| constraint nom | /kənˈstɹeɪnt/ | contrainte |
| airplane nom | /ˈɛɹˌpleɪ̯n/ | avion, aéroplane |
| compute verbe | /kəmˈpjuːt/ | computer, calculer |
| microcontroller nom | /ˈmaɪkɹoʊkənˌtɹoʊlɚ/ | microcontrôleur |
| vibration nom | /vaɪˈbɹeɪʃən/ | vibration |
| complexity nom | /kəmˈplɛk.sɪ.ti/ | complexité |
| actuator nom | /ˈæk.tjuː.eɪ.tə(ɹ)/ | actionneur |
| optimize verbe | /ˈɑptɪmaɪz/ | agir en optimiste |
| outnumber verbe | /aʊtˈnʌmbə(ɹ)/ | être en supériorité numérique |
| dedicate verbe | /ˈdɛdɪˌkeɪt/ | consacrer, vouer |
| aforementioned adjectif | /əˈfɔɹˌmɛn.ʃənd/ | susmentionné |
| withstand verbe | /wɪðˈstænd/ | résister |
| versatile adjectif | /ˈvɜː.səˌtaɪl/ | polyvalent |
Prononciation à surveiller
- Les sons « sh » et « zh »: vibration /vaɪˈbɹeɪʃən/, aforementioned /əˈfɔɹˌmɛn.ʃənd/, compression /kəmˈpɹɛʃ.ən/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, navigation /nævɪˈɡeɪʃən/
- Mots longs — placez bien l’accent: microcontroller /ˈmaɪkɹoʊkənˌtɹoʊlɚ/, complexity /kəmˈplɛk.sɪ.ti/, actuator /ˈæk.tjuː.eɪ.tə(ɹ)/, telephony /təˈlɛf.ə.ni/, aforementioned /əˈfɔɹˌmɛn.ʃənd/
Les sons difficiles pour les francophones :
- /r/ anglais — langue recourbée, sans frotter la gorge: integrate /ˈɪn.tɪ.ɡɹeɪt/, constraint /kənˈstɹeɪnt/, airplane /ˈɛɹˌpleɪ̯n/, microcontroller /ˈmaɪkɹoʊkənˌtɹoʊlɚ/, vibration /vaɪˈbɹeɪʃən/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme embed, integrate, constraint.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.