Prática de Shadowing: Sofeast PCB Video Series Introduction - Aprenda a falar inglês com vídeo
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Welcome to this video series where we're going to be covering PCBs.
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My name is Paul Adams from SofEast and I should be your host throughout the series.
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So let's have a look at the videos we have so far.
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In video one we have the PCB basics.
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We're going to be looking at the difference between a PCB and a PCBA.
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We're going to be looking at the PCB construction.
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In video two we're going to be covering the SMT process
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and I've broken this down into three separate sections so this will be part one of three.
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In part one we're going to be looking at the solder paste application, the component placement.
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In the SMT process part two video we're going to be looking at the reflow soldering process
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and the cleaning process or the phase.
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In part three of this series of SMT process we're going to be covering the electrical testing
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and then in video five we're going to be covering the inspection methods and common defects.
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In particular we're going to be looking at solder paste issues,
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pick and place issues, wave soldering issues.
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In video 6 in the series we're going to be covering reliability testing.
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We're going to be looking specifically at reliability and durability,
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temperature and humidity, and vibration.
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We're also going to be covering mechanical shock, and HALT and HAS testing.
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So SOF East are here to assist you
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if you need any help with finding manufacturing in China
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or getting better results from your current supply chain please get in touch with us using these details here.
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In the meantime please dive into video 1 and start watching the PCB videos.
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So once again my name is Paul Adams from SOF East and I'll see you in video 1.
📺 Mesmo canal
C17
What is SMT (Surface Mount Technology)? PCB Assembly (Part 2)
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B22
DFM And DFA Explained
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C13
What is SMT (Surface Mount Technology)? PCB Assembly (Part 3)
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C14
PCB Inspection Methods & Common PCB Defects
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C13
NPI Process 1: Why A Pilot Run Before Mass Production Is Very Useful
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C15
What is SMT (Surface Mount Technology)? PCB Assembly (Part 1)
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B2BONUS: Should we do PCB or enclosure design first? (Feat Andrew Amirnovin)
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B2What are PCBs and PCBAs? The 'PCB basics'
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B1Don’t Approve a Product Until You’ve Lived With It
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B1The Product Passed the Safety Test, But Was Still Too Hot to Hold
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B2The Product Worked, But the Packaging Made It Look Dead
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B2Why User Experience Is Harder Than Engineering
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C14 NPI Tips Before You Move Into Mass Production
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C1The Production Validation Test (PVT) Phase of the NPI Process
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C1The Three NPI Phases Explained
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C1When Can The NPI Process Begin?
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C1NPI Process #3: Why A Feasibility Study With Suppliers Saves Time & Prevents Issues
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C1NPI Process 2: New Product Development Process (Why Planning Before Prototyping Saves Time)
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C1PCBs | Electronic Goods Reliability Testing
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Vocabulário e dicas de fala para esta lição
Este vídeo tem 24 frases e 297 palavras para praticar shadowing. A fala dura 2:22. O falante mantém um ritmo estável de cerca de 126 palavras por minuto, confortável para o shadowing. 82% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.
Vocabulário principal deste vídeo
14 palavras do vídeo que vale a pena aprender, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| pasta substantivo | /ˈpɑ.stə/ | massa, macarrão |
| reliability substantivo | confiabilidade, fiabilidade | |
| shock substantivo | /ʃɔk/ | choque |
| assist verbo | /əˈsɪst/ | assistir, prestar assistência |
| mechanical adjetivo | /məˈkænəkəl/ | mecânico |
| component substantivo | /kəmˈpoʊ.nənt/ | componente |
| inspection substantivo | /ɪnˈspɛkʃən/ | inspeção |
| dive verbo | /daɪv/ | mergulhar |
| placement substantivo | /ˈpleɪ̯smənt/ | colocação, posicionamento |
| humidity substantivo | /hjuːˈmɪd.ə.ti/ | umidade, humidade |
| defect substantivo | /ˈdiːfɛkt/ | defeito |
| vibration substantivo | /vaɪˈbɹeɪʃən/ | vibração |
| solder substantivo | /ˈsɒl.də(ɹ)/ | solda |
| durability substantivo | /dəɹəˈbɪləti/ | durabilidade |
Pronúncia para ficar de olho
O falante usa 14 contrações e formas reduzidas, como we're, I'll, I've. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: shock /ʃɔk/, inspection /ɪnˈspɛkʃən/, vibration /vaɪˈbɹeɪʃən/
- Palavras longas — acerte a sílaba tônica: electrical /ɪˈlɛktɹɪkəl/, mechanical /məˈkænəkəl/, humidity /hjuːˈmɪd.ə.ti/, durability /dəɹəˈbɪləti/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como pasta, reliability, shock.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.