쉐도잉 연습: The Production Validation Test (PVT) Phase of the NPI Process - 영상으로 영어 말하기 배우기
레슨 만드는 중...
1
Now, PVT, the final phase.
2
Typically, how many pieces would you make, let's say a typical IoT product about this size,
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let's say, until you actually confirm this is correct, the right quality, the right production rate,
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we are confident that we can really just keep ramping up on this basis.
5
If we've had a successful EVT and DVT, we would shoot for a thousand units of PVT.
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And you will not get a 99% yield rate most likely, you might have to settle with a 90% yield rate.
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And the parts that are failing are parts then that can be used for for internal testing, they can be used for debugging,
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they can be used for problem solving.
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But that's typically what we would shoot for to make sure that we're ready to qualify for mass production, which is the final phase.
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Because there's always a timing constraint right?
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There's a budget constraint of course the longer you spend there the more it's costing everybody including the suppliers right?
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Everybody just wants to go into mass production.
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Yes I mean most companies they need to be shipping products to make money to keep alive.
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If they want to wait till they don't, if they have to have 99% off the production line before they ship then they're not getting any revenue
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and and they're not going to be able to support their efforts until probably too late.
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So what's the timeline?
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Let's say PVT is confirmed that maybe you're at 90-95% first time yield rate.
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How long does it take you if there's, let's say, continuous production typically to get to 99%?
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It could be anything from one month to three or four months.
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depends on the complexity of the product and how diligent the product development and NPI phase has been.
📺 같은 채널
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Vocabulary and speaking notes for this lesson
This C1 speaking lesson is built on the video “The Production Validation Test (PVT) Phase of the NPI Process”. The speaker keeps coming back to these words: production, product, rate, Pvt, yield. This video has 20 sentences and 298 words to shadow. The speech runs for 2:00. The speaker talks at a natural 150 words per minute, close to everyday conversation. 88% of the words are among the 3,000 most common in English; the rest is worth studying before you start. 4 of its 20 sentences are questions, so it is good practice for question intonation and short answers.
Key vocabulary in this video
The 13 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| yield verb | /jiːld/ | To give as a result or outcome; to produce or render. |
| confirm verb | /kənˈfɝm/ | To strengthen; to make firm or resolute. |
| solve verb | /sɒlv/ | To find an answer or solution to a problem or question; to work out. |
| settle verb | /ˈsɛtəl/ | To determine (something which was exposed to doubt or question); to resolve conclusively; to set or fix (a time, an order of succession, etc). |
| continuous adjective | /kənˈtɪn.juː.əs/ | Without stopping; without a break, cessation, or interruption. |
| depend verb | /dɪˈpɛnd/ | To be contingent or conditioned; to have something as a necessary condition |
| qualify verb | /ˈkwɑ.lɪ.faɪ/ | To describe or characterize something by listing its qualities. |
| timeline noun | /ˈtaɪmˌlaɪn/ | A graphical representation of a chronological sequence of events (past or future). |
| complexity noun | /kəmˈplɛk.sɪ.ti/ | The state of being complex; intricacy; entanglement. |
| supplier noun | /səˈplaɪə/ | One who supplies; a provider. |
| constraint noun | /kənˈstɹeɪnt/ | Something that constrains; a restriction. |
| debug verb | /diːˈbʌɡ/ | To search for and eliminate malfunctioning elements or errors in something, especially a computer program or machinery. |
| diligent adjective | /ˈdɪlɪdʒənt/ | Performing with industrious concentration; hard-working and focused. |
Pronunciation to watch
The speaker uses 6 contractions and reduced forms, such as they're, don't, we're. Say them the short way, as you hear them.
- Long words — get the stress right: continuous /kənˈtɪn.juː.əs/, complexity /kəmˈplɛk.sɪ.ti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like yield, confirm, solve.
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.