シャドーイング練習: NPI Process 1: Why A Pilot Run Before Mass Production Is Very Useful - 動画で英語スピーキングを学ぶ

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Hi there this is Renaud Angéron.

Welcome to this series on the new product introduction process.

We're going to cover some topics that come back over and over especially for electrical and or mechanical products.

Hope it's helpful.

Let's get started with video number one on the first topic.

Hi, this is Renaud Androran and I'm going to cover the pilot run before mass production of a new product.

So it's very different from looking at prototypes.

Prototypes are used to confirm the design of a new product, but they might not be made with the same components,

same methods, same equipment, same people and so on as mass production.

the pilot run is very important

when you launch production of a new product there are always some risks okay

so the idea of a short a small production run a

pilot run is to test the line test the manufacturing process

and the testing process also okay and to see the problems

and to address them until we confirm

that the process is capable of delivering the right creative products

okay to confirm assembly to come from packing to confirm some

of the fabrication also okay it's very standard across many industries PVT in consumer electronics you know phones

and things like that production trial run in automotive it's got many names let's call it pilot run

so it can also take place at the level of the component supplier okay not just assembly

if some critical components are customized

and there is a risk of quality issue it's a very

good thing to also have them do a pilot run and

if you can be on site

and monitor the scrap rate then this is really good because

if you see

that scrap rate is three percent it's very different from a

scrap rate of 20% where the component supplier might tell you

hey I need to raise the price quite a bit okay

the number of pieces most often is somewhere between 20 and 100

but this really varies widely it's an iterative process you might

not get everything right the first time actually most probably you

will not it's like the prototyping process where you make a prototype

and then another one another one another one another one until you have a nice prototype

that looks alike functions alike and and is okay to pass certifications

and so on same idea here okay some sometimes one run is okay

if there's no serious outstanding issues okay now here are some

best practices same conditions as mass production as I say same method same people same

equipment and so on same testing equipment or

so same inspectors same methods as you see the problems work on preventive actions okay now

and if possible actually before the pilot run already think about it do some operator training and

so on okay as much as you can after the run

hopefully you have a whiteboard just next to the assembly line or the fabrication equipment with some issues.

Where does it come from what to do to avoid it next time who is supposed to do what by

when okay very simple very low-tech but very powerful

if you really follow up and then well this is more for automotive

or some consumer electronics where you have to ramp up very fast or put it under stress hey

we're gonna make 50 every 10 minutes okay now let's try

again with 80 okay we kept up at 70 now I made some changes let's aim for 100 and

so on okay then this really gives you an idea about

the capacity of your process otherwise you start mass production

but you don't know

if you're gonna be able to ship something after 10 days

15 days 20 days this might make a very big difference in the end.

Now preventive actions, including logistics, assembly, testing, packing, final inspection.

You need to plan and prepare for the production process if possible before the pilot run.

Operator training is very important.

You need to look at the problems and the improvements.

And then as I said based on something like this, you need to manage the issues,

communicate about it, make sure everybody understand what what what happens and maybe you will find that

hey incoming QC should have cut cut it up

but they did not

and actually 25% of this specific part maybe the casing have

problems well what do we do with it let's do we

sort it out do we send back to the supplier and and so on okay Benefits, lower risk.

Lower risk, that's very, very important.

If you go into mass production and then you find out

that there's some serious issues

that might mean a lot of rework a lot of scrapped material that's very expensive

and it also means much later shipment okay so

if you want to save time do things step by step eliminate issues before you ramp up

and for customers obviously better quality products because

if the products are good the first time without any rework

well that's that's the best that's the best scenario okay

and again this might save you time it might save you time to slow down a little bit

and do a pilot run and a key problem

that I should mention is

that in China a lot of suppliers don't like the idea

of pilot run they don't like it at all maybe they don't believe

that your volumes will be very high first

but also they don't really want to spend a lot of

time doing engineering work they just want to release the products on the shop floor

and get the manufacturing staff to figure out a way to

make it in a lot of Chinese factories that's what we see not very good

but that's that's the way they like to manage sometimes they

tend to be a bit too optimistic also they don't think

that there will be a lot of risks and

if they pay the operators by the piece obviously the operators

don't want to work on a very small batch hundred pieces okay now

if you're the customer it's your money okay make it a very clear imperative from the start

and don't give them the choice don't give them the option to say no basically

that's it I hope that was helpful don't hesitate to comment ask any questions

or subscribe to our YouTube channel thank you

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このレッスンの語彙とスピーキングのポイント

このC1レベルのスピーキングレッスンは、動画「NPI Process 1: Why A Pilot Run Before Mass Production Is Very Useful」を教材にしています。繰り返し出てくる語は次のとおりです：pilot, product, production, process, issue。この動画には、シャドーイング用の文が93文、単語が1083語あります。音声の長さは7:19です。話す速さは1分あたり約148語で安定しており、シャドーイングしやすいペースです。単語の89%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。

この動画の重要語彙

動画の中で特に難しい単語13語を、発音と意味つきで紹介します。

単語	発音	意味
prototype 名詞	/ˈpɹəʊtətaɪp/	プロトタイプ, 原型
supplier 名詞	/səˈplaɪə/	サプライヤー, 供給者
scrap 名詞	/ˈskɹæp/	欠片, 断片
preventive 形容詞	/pɹɪˈvɛntɪv/	抑止力となる
customize 動詞	/ˈkʌs.tə.maɪ̯z/	カスタマイズする
iterative 形容詞	/ˈɪt(ə)ɹətɪv/	イテレーティブな, 繰り返し型の
whiteboard 名詞	/ˈwaɪtbɔɹd/	ホワイトボード, 白板
hesitate 動詞	/ˈhɛz.ə.teɪt/	ためらう, 躊躇する
logistics 名詞	/ləˈd͡ʒɪstɪks/	物流, 運送
optimistic 形容詞	/ˌɒptɪˈmɪstɪk/	楽観的
batch 名詞	/bæt͡ʃ/	ひと焼き分
certification 名詞	/ˌsɜː.tɪ.fɪˈkeɪ.ʃən/	証明, 保証
subscribe 動詞	/səbˈskɹaɪb/	購読する

動画に出てくる句動詞

単語	意味
find out 動詞	見出す, 調べる
slow down 動詞	遅らせる

注意したい発音

話し手はdon't, gonna, we'reなど、短縮形や弱形を17回使っています。聞こえたとおりの短い形で発音しましょう。

「sh」と「zh」の音: fabrication /fæbɹɪˈkeɪʃən/, shipment /ˈʃɪpmənt/, certification /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/
長い単語（アクセントの位置に注意）: fabrication /fæbɹɪˈkeɪʃən/, automotive /ˌɔtəˈmoʊtɪv/, iterative /ˈɪt(ə)ɹətɪv/, imperative /ɪmˈpɛɹ.ə.tɪv/, optimistic /ˌɒptɪˈmɪstɪk/

日本語話者が苦手な音：

/v/ — /b/ にならないように、上の歯を下唇に当てる: preventive /pɹɪˈvɛntɪv/, automotive /ˌɔtəˈmoʊtɪv/, iterative /ˈɪt(ə)ɹətɪv/, imperative /ɪmˈpɛɹ.ə.tɪv/
/f/ — 「フ」ではなく、上の歯と下唇で出す: fabrication /fæbɹɪˈkeɪʃən/, certification /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/
子音の連続 — 間に母音を入れない: prototype /ˈpɹəʊtətaɪp/, scrap /ˈskɹæp/, preventive /pɹɪˈvɛntɪv/, rework /ˈɹiːwɜː(ɹ)k/, whiteboard /ˈwaɪtbɔɹd/

この動画での練習方法

まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
自分の声を録音して元の音声と比べます。prototype, supplier, scrapなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

シャドーイング練習: NPI Process 1: Why A Pilot Run Before Mass Production Is Very Useful - 動画で英語スピーキングを学ぶ

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