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Voice/Pitch altering through resampling ADC on PIC Microcontroller - open to bidding

$30-250 USD

Closed
Posted over 10 years ago

$30-250 USD

Paid on delivery
Using a PIC32MX Microcontroller, the project requires a realistic sounding pitch transposition in real time over 2 octaves - with a total of 24 increments (musical semitones), ranging from an octave above to an octave below original pitch. Proof of concept can be seen here and only requires slight modification of code for this project. [login to view URL] 1x Analog input using ADC (for resampling style pitch transposition and circular buffer). Additional analog input circuitry for sound preparation is not required. 1x Audio Output. (Of altered pitch, using PWM output - I will implement analog filters afterwards myself) 1x Potentiometer control for changing pitch +/- 1 octave in 24 increments (I would prefer a voltage divider set up with a potentiomer to produce reference voltage to change pitch - this may need to be discussed further) Deliverables: Source files and HEX Code ready for programming PIC32F series IC with desired pitch transposing effect (please choose IC most suitable for the application. eg. Fast processing speeds for better sound quality).
Project ID: 5172235

About the project

2 proposals
Remote project
Active 10 yrs ago

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2 freelancers are bidding on average $266 USD for this job
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hi,this is nasir mehmood. i am software engineer and have more than 18 years of development experience in desktop,embedded systems, web design, graphics and mobile applications. i have extensive knowledge of working with assembly, ARM assembly, c, c++, visual c++, vb .net and java. most of my work is based with all flavors of c language to build desktop and embedded systems.i have gone through with your project description so i offer you my expertise for your solution. if you are interested in working with me then feel free to contact me further queries. thanks
$277 USD in 10 days
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Dear hiring manager , •In these days I m working on single phase energy meter Using Maxim Integrated Teridian 71M6541 chip & CTs , with GSM module Fibocom G610 & Renesas R8C 5rf212BC to serially communicate between each other , & Renesas also communicate through uart with Teridian 71M6543 to request data from it. Rest experience is as follow • Developed & Deliver Complete 16 bit Computer with external RAM ,ROM EEPRROM, Data-bus & 8086 Microprocessor for Military application. • Developed Power supply of 40 amperes ,intput 22 -28V, output 28V constant & UPS for Military application, with 24V 20 cells battery of 7Ah. • Work on different sensors : • Develop Wind Sensor gives direction & speed of wind using FS2 FLOW sensor & PIC18f26K80 Micro-controller , turn nonlinear output of FS2 to linear output , analogue input to PIC & it gives digital output 12 b • Develop Atmospheric temperature sensor ,measure atmospheric temp. • Develop Charge temp. Sensor , measure powder temp. using LM335 • Develop Tilt Sensor measures the Degrees of tilt of body , using SCA103T built in chip. • Develop angular velocity Sensor gives rotation of body , using YUMO E6B2-CWZ1X Rotor Pulse encoder • Designed Pressure Sensor Measure Atmospheric pressure using, MPX5100 sensor • All Sensors are Military grades with high temperature range &strong mechanical structures • Wireless technology that I used Blue-tooth module HC06/HC05, ZigBee & ZigBee Pro , GSM Module. I m looking forward to your response
$255 USD in 14 days
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Hi, I am interested by your project details and would like to provide services specific to your requirements. I will work hard to ensure your satisfaction. It is my job to make certain you are pleased with the end product thus, establishing a long-term relationship. Making familiar thing new and new thing familiar is the best part of my work. I look forward to a favorable response. Thanks for your consideration.
$222 USD in 3 days
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