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Design Specification
1. Noise Cancelling Algorithm[1]1-1. Specter Subtraction Method (SS Method)
1-2. MAP method using Variable Speech Distribution
1-2-1. MAP Estimate Method
1-2-2. Speech spectrum distribution proposed by T.Lotter and P.Vary
1-2-3. Variable Speech Distribution
2. Implementation of the Noise Cancelling System
2-1.Separating into the Hardware and the Software
2-1-1.Features of the HW and the SW
2-1-2. Feature of Noise Cancelling System
2-1-3. Architecture
2-2. Hardware
2-2-1. Processing flow
2-2-2. Circuit structure
2-2-3. HW timing
2-3. Software
2-3-1. Source code
2-3-2. Flow chart
3. Development Environment
3-1. Hardware Design Process
3-1-1. Design Hardware Logic
3-1-2. Manual of Xilinx ISE and EDK
3-2. Software design process
4. Contest Design Target
5. SPEED and AREA
6. References
7. Download
17th LSI Design ContestsEin Okinawa Design Specification - 2-3
2-3. Software
In this chapter, we describe the source code and flow chart of the software. In addition to this chapter, chapter 3.2 (Hardware) helps your understanding of processing flow of software. The algorithm of the denoising is not implemented in this implementation.
2-3-1. Source code
You can download the source code (here) from here.
2-3-2. Flow chart
Figure 18
Figure 19
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