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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 Contests・in Okinawa Design Specification - 6
6. References
[1] T. Lotter, P. Vary ; Speech enhancement by MAP spectral amplitude estimation using a super-Gaussian speech model, EURASIP Journal on Applied Signal Processing, 2005.
[2] A. Kawamura, M. Kurosaki ; 大容量化するマルチメディア・データを転送・保存・活用するために ディジタル音声&画像の圧縮/伸張/加工技術, in H. Ochi, CQ Publishing Co., 2013.
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