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Audio Recorder that can do playback

Write a C programming with Arduino micro-controller. Audio must first able to be captured from a mic then pass through an anti-aliasing bandpass filter and analog to digital converter (ADC). When the audio reached the micro-controller, it is stored into SD Memory Card and also do signal processing to the audio (like increasing the pitch or speed of the audio). Stored audio will be shown on a LCD panel for user to choose from using push button and play it. Lastly audio will pass through a Digital to Analog Converter and play it from a microphone. Hence my coding must include audio recording from input mic, anti-aliasing bandpass filter, Analog to Digital Converter, Digital to Analog Converter, Store audio into SD Card and multiple signal processing algorithm like (windowing, echoing and other effects) and able to play it at the speaker output. Comment must be written on every line of code.

Evner: Arduino, C programmering, Elektrisk Ingeniørarbejde, Elektronik, Microcontroller

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Om arbejdsgiveren:
( 1 bedømmelse ) singapore, Singapore

Projekt ID: #18939174

13 freelancere byder i gennemsnit $553 på dette job

mechatronicsengr

Hi, I hope you are doing well. I have recently completed an Audio based embedded project and I think ADC has limited resolution, its better to use I2S based MEMS Sensor and Output Modules. It was my first project Flere

$750 SGD in 10 dage
(81 bedømmelser)
6.6
ircrashed

Hello I have got your job posting “Audio Recorder that can do playback” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experience of working with the An Flere

$500 SGD in 10 dage
(37 bedømmelser)
5.4
TaoYangLi

Hi sir. I am an electronics engineer with experience in embedded system design.I have rich experience on Ardunio, various Sensor and LCD. I have understood your requirements. and would like to discuss it in more deta Flere

$500 SGD in 7 dage
(2 bedømmelser)
3.1
ycb811

Greeting. Thank you for your posting. I am an expert in embedded system. I have rich audio programming experiences. I am very interesting in your project. And i would like to discuss more detail with you. I can d Flere

$1666 SGD in 10 dage
(2 bedømmelser)
2.2
Victorier006

hello,how are you. i read your bid carefully. i am c/c++, arduino expert and have full experience for 10 years. c/c++, arduino is my top skill and i can build your project by using c/c++. i can provide most quality Flere

$500 SGD in 10 dage
(2 bedømmelser)
1.7
KongHyongRan

Hello! i saw your project description and fully understood it. We are a team of well-skilled programmers. ( include Signal Processing, C/C++, Arduino ... ) I will give you a high-quality & low-cost service. I hop Flere

$250 SGD in 10 dage
(2 bedømmelser)
1.5
msapkota

I have more than 15 years of experience in web development. Throughout this experience, I have gained extensive knowledge not only in web development but also in web designing. I am capable of creating both front end a Flere

$333 SGD in 10 dage
(0 bedømmelser)
0.0
WangJin11

Dear Sir. I am very interesting on your project. I am major in AI such as Image Processing, Speech Processing, Planning, and so on. I have built many projects(Firmware, PCB, Manufacturing, AI, Mobile app) with Ard Flere

$500 SGD in 10 dage
(0 bedømmelser)
0.0
AmeenahAshfaq

I have some experience regarding arduino and i have done several mini projects and a final year project which was based on the idea of an underwater robot.

$777 SGD in 15 dage
(0 bedømmelser)
0.0
belireil

Hello! Arduino, C C++ C# experienced developer here. Going through with the requirements in project description, I would like to take your project on board. I am an independent and professional developer with 100% comp Flere

$300 SGD in 8 dage
(32 bedømmelser)
0.0
Krushna79

Hello I am Skilled Electronics Engineer. I have 7 Years Experience In Embedded System. and 5 Years in Arduino. Direct Message me to start discussion Thank You Shri D.

$277 SGD in 10 dage
(0 bedømmelser)
0.0
supunmadusankam

Hi I am Jayasinghe. I can help your arduino project. I'd like to talk to about it. Thank you.... Jayasinghe.

$277 SGD in 5 dage
(0 bedømmelser)
0.0
ingMarcoSalaman

Good day, I'm Marco Polo Salamanca an Electronic Engineer, part of ToT´s business ([login to view URL]), within our strategic partner NextCodev ([login to view URL]) we include in our bunch of services IT Flere

$555 SGD in 10 dage
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0.0