Voice recorder and Playback device

Write a C programming on MpLab using PIC 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: Программирование на С, Программирование на C++, Электроника, Микроконтроллер

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О работодателе:
( 1 отзыв ) singapore, Singapore

ID проекта: #18939163

5 фрилансеров(-а) в среднем готовы выполнить эту работу за $602


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)
(72 отзывов(-а))

Hi [login to view URL] project is very interested to me. I have rich experience on embedded system program including Microchip PIC . I am also experienced with user interface such as LCD, ADC, etc. I work on MPLABX IDE 5.15 wit Больше

$700 SGD за 10 дней(-я)
(6 отзывов(-а))

hello Nice to meet you I have seen your project description. I have a confidence that I am a right candidate of your projects. I have many experience in this kind of your projects. I know mplab, microC very well Больше

$555 SGD за 3 дней(-я)
(9 отзывов(-а))

I have experience and expertise in embedded systems and digital signal processing. I can do this work to your fullest satisfaction.

$450 SGD за 15 дней(-я)
(10 отзывов(-а))

Hello, Thanks for posting this project. Here we read your requirement and understand it. We have some queries . So we want to discuss with you. Please message us then we can discuss in detail and provide you e Больше

$555 SGD за 10 дней(-я)
(0 отзывов(-а))