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Design a sound-proof phone case

I want you to design a sound-proof phone case which would block sound from entering the phone case, but NOT block signals.

So, it needs to be able to take calls, but to block out sound.

It is for anti-spying to prevent a room bug from recording all background noise near to the phone.

Studying the design of this product may help you:

[url removed, login to view]

I only need the basics of how it works.. such as

1. What materials are used to block sound..? Led..? Aluminium..? Etc

2. What kind/size of case

3. How to broadcast the phone call from the inner box to the outer box so you know when you have received a call

スキル: オーディオサービス, コンピューターのセキュリティー, 携帯電話, プロダクトデザイン, サウンドデザイン

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採用者について:
( 2件のレビュー ) james, United Kingdom

プロジェクトID: #11800673

この仕事に、19人のフリーランサーが、平均$650で入札しています。

monoLancer

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$555 USD 10日以内
(38件のレビュー)
7.6
ominfowave

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$749 USD 30日以内
(125件のレビュー)
7.4
SevenStarInfo

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$1000 USD 10日以内
(48件のレビュー)
7.4
gkws

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$500 USD 15日以内
(5件のレビュー)
6.3
$736 USD 10日以内
(11件のレビュー)
5.8
ms25491

A proposal has not yet been provided

$611 USD 3日以内
(9件のレビュー)
4.5
$750 USD 10日以内
(6件のレビュー)
3.9
PerfectlyCoding

Dear client, Thanks for your attention. I am android and iOS app, web server developer. I will like to work on your project and deliver the project. I have developed many applications involving various functionalit もっと

$500 USD 10日以内
(2件のレビュー)
3.6
oltag

Hello. I'm a professional composer. I have wide (over 20-years) experience in audio-producing, sound-design. I work in various genres and styles. I write music for different casts (solo, ensemble, choir, chamber an もっと

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4.4
IvanWOW

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(4件のレビュー)
3.3
TierraParalela

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$1500 USD 27日以内
(1レビュー)
3.7
girisudhir

Dear Buyer, I referred your project specific requirements for design a sound-proof phone case and It looks excited to work with. I have 15+ years of worked experience on similar projects to what you are looking for もっと

$750 USD 5日以内
(2件のレビュー)
3.5
CADninja

We are a product design and development firm providing CAD-CAM-CAE services with team of engineering and design professionals from diverse backgrounds. Every project we undertake goes through strategically planned stag もっと

$555 USD 10日以内
(3件のレビュー)
2.7
animcstudio

Thank you for posting project on freelancer , Just saw your job description, and yes, I am very positive for this project. & I will complete this on time ! .You Will get a regular updates on the progress of the project もっと

$500 USD 10日以内
(1レビュー)
2.1
AndrewBowen

A highly proficient and multi talented Industrial Designer now based in Seattle. I have proven track record of working with clients of all sizes and bringing their product ideas to market. Please fill free to take もっと

$555 USD 10日以内
(0件のレビュー)
0.0
Aromday

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(0件のレビュー)
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MichaelA23

Less than 2 days

$250 USD 2日以内
(0件のレビュー)
0.0
xielessupport

I can make your project a great success. I'm 31 year old graphics and web designer. I'm expert in Adobe Photoshop, Adobe Illustrator, HTML5, JavaScript, CSS, Bootstrap and JQuery. Please take a look at some of my de もっと

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(0件のレビュー)
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design32

I'd like to study with you.

$750 USD 30日以内
(0件のレビュー)
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SatcomGuru

This is ridiculously simple and I've designed systems with much less secure devices like LMR handheld radios for Base Commanders for the USAF for audio masking over 90db (yelling over a phone's Speaker Mode or an LMR a もっと

$400 USD 8日以内
(0件のレビュー)
0.0