1. FPGA Vinyl to Digital Converter (VDC)
Deny Vugdalic
EECE 490AW-01
December 21st, 2018

2. Project Data Sheet (PDS) – Project Description
An FPGA based digital signal processor gives users the ability to transfer data through a digital bitstream, also known as digital communication
This data can be an audio signal, which is what this FPGA based project will mainly be focused on
My project will take in these data (audio) signals and process them to make them more understandable, i.e. removal of noise and enhancing the audio itself

3. Project Data Sheet (PDS) - Features
Noise reduction
Accurate signal processing
Fast signal processing
Ease of use

4. Project Data Sheet (PDS) – Project Diagram
The vinyl record player will take in the record in order to play the music
The receiver will receive the analog signal from the vinyl record player and push it to the FPGA
The FPGA is connected to the computer via a USB power cable. The transmitter is also connected to the FPGA and will take in the analog signal from the FPGA and output a digital signal to the computer

5. Project Data Sheet (PDS) – Primary and Secondary Markets
Primary Market: Major Technology Companies
Secondary Markets: Music producers, recording artists, instrument players, everyday consumers

6. Project Data Sheet (PDS) – Assumptions and Constraints
Power is supplied through USB, not a battery
User must have a computer
User must have a record player and records

7. Project Data Sheet (PDS) – Technology and Subjects Used
Field Programmable Gate Array (FPGA)
Analog to Digital Conversion (ADC)
Frequency
Hardware Design
Data Communication
Data Processing
Noise Removal

8. Project Data Sheet (PDS) – Product Cost Estimate

9. Project Concept Document (PCD) – Executive Summary
An FPGA based digital signal processor gives users the ability to transfer data, also known as digital communication
This data can be an audio signal, which is the basis for my product
My VDC will take in these data (audio) signals and process them to make them more understandable, i.e. removal of noise and enhancing the audio itself
The finished product of the process will be an MP3 file that can be downloaded to a PC

10. Project Concept Document (PCD) – Product Users
The primary market for the FPGA based Digital Signal Processor would be technology companies while the secondary market would be music producers and others within the music industry as well as everyday consumers

11. Project Concept Document (PCD) – External Impacts
Economic: There are a couple Vinyl to Digital converters that are already produced which range in price from $45 to $100. However, it does not seem that they use an FPGA or are USB powered.
Social: The social impact of the VDC would be positive. Users can easily share their favorite music from other decades with others when that music is a digital file that can be put on their computer or smartphone. They do not need to have a vinyl record player once the file is on their device.
Environmental: There is a possibility of recycling the materials used. The energy usage costs would be very little due to the VDC not having a battery that needs to be charged and instead utilizing a USB for connection and power.
Health & Safety: Users should be careful around the device when a vinyl record is spinning as to not injure oneself.

12. Project Concept Document (PCD) – Assumptions, Dependencies & Constraints
Developing this VDC project requires the use of a vinyl record player, a software program that will have to be installed on a computer, as well as an FPGA Altera board
The process of data transferring and converting analog to digital is the main concept used throughout the process
This product will be used to convert an analog signal (music from a record) to a digital signal that can be kept as a MP3 file on a user’s computer
A vinyl record player is necessary to play the song (output the analog signal)
Manufacturing this product will require an FPGA with the correct wiring so that an ADC can be created and utilized
This product will be supported by Windows and Macintosh machines
It will also be eligible for repairs under a warranty
The software will have periodic updates to make sure that everything is working as it should
The reliability of this product requires the user to handle it with care

13. Project Concept Document (PCD) – User Accessible Features
The user will have access to an FPGA system that can convert audio from a vinyl record into a digital audio file (MP3)
The system is USB compatible so any device (Windows or Macintosh) with available USB ports may be used

14. Engineering Requirements Document (ERD) – What the Product Does
The FPGA VDC is an FPGA based digital signal processor that gives users the ability to transfer data, known as digital communication
This technology allows users to take audio files that may be older and noisier, such as an old vinyl record, and clean it up without having to buy digital copies
This saves physical space and the files are easily accessible on a user’s personal computer.

15. Engineering Requirements Document (ERD) – Product Limitations & User Requirements
This project will be limited to converting analog to digital, and not the other way around (digital to analog)
The user will need access to a vinyl record player, Windows PC, and have basic computer skills to operate the VDC
The user will need to make sure their vinyl records are in decent shape so that they may be converted as accurately as possible

16. Engineering Requirements Document (ERD) – Product Requirements
The VDC will be accurate, fast, and easy to use.
The primary function of the VDC is to convert vinyl records (analog signal) to digital music (digital signal). It is a digital signal processing unit
The VDC will be very simple for a user. They will simply need to power on the device via USB, connect their vinyl record player, and allow the device to do the work
There will be an accompanying software that will be simple and easy to use

17. Engineering Requirements Document (ERD) – Design Constraints & Testing Requirements
Designing the VDC with a battery would be less efficient due to having to wait on and test charging times
The VDC will run on USB instead, which can run right away after having plugged it in to an eligible computer
Testing will need to take place in front of a PC (laptop or desktop)
The user will need to monitor the software to make sure that everything is working as it should
For best results, it is recommended to test different records from different manufacturers to ensure accuracy

18. Project Design Document (PDD) – Architectural Design
This device receives commands via a computer interface (USB) which will also serve as a power cord to power the device
Functional elements include: noise reduction, conversion to digital, and USB data transfer
Physical elements include: FPGA, filter circuit, and a computer

19. Project Design Document (PDD) – Hardware Design
The main input to the FPGA will be an analog value (vinyl record)
The FPGA will take the analog signal and output a digital signal with any noise significantly reduced or fully removed
The output of my device will be a digital signal with little to no noise

20. Project Design Document (PDD) – ADC Circuit Schematic

21. Project Design Document (PDD) – Software Design
An FPGA is coded with VHDL (Verilog Hardware Description Language), which will describe the signals and systems needed to implement the ADC/VDC
The code will take an analog signal (music from a vinyl record) as an input and convert the signal to a digital one, creating an output of an MP3 file that can be downloaded and stored to a user’s computer

22. Project Test Plan (PTP) – User Interface Functionality & Installation
Hardware includes the Field Programmable Gate Array (FPGA)
Software includes the program needed to run the conversion and download music to the PC
Installation requires an FPGA power-on self-test (POST) in which switching on the power supply shall output an LED light to turn on, signaling that the FPGA has been powered on

23. RAMP (Risk Assessment Management Plan)

24. Project Schedule (SCHED)