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.

Квалификация: Arduino, Программирование на С, Электротехника, Электроника, Микроконтроллер

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О работодателе:
( 1 отзыв ) singapore, Singapore

ID проекта: #18939174

13 фрилансеров(-а) в среднем готовы выполнить эту работу за $553


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 Больше

$750 SGD за 10 дней(-я)
(81 отзывов(-а))

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 Больше

$500 SGD за 10 дней(-я)
(37 отзывов(-а))

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 Больше

$500 SGD за 7 дней(-я)
(2 отзывов(-а))

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 Больше

$1666 SGD за 10 дней(-я)
(2 отзывов(-а))

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 Больше

$500 SGD за 10 дней(-я)
(2 отзывов(-а))

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 Больше

$250 SGD за 10 дней(-я)
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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 Больше

$333 SGD за 10 дней(-я)
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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 Больше

$500 SGD за 10 дней(-я)
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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 за 15 дней(-я)
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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 Больше

$300 SGD за 8 дней(-я)
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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.

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

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