Based on the DCT domain audio watermarking complete source code, including the watermark image preprocessing (two-dimensional binary images Arnold transform chaotic encryption, dimensionality reduction), the embedded watermark extraction and detection, signal-to-noise ratio and similarity coefficient.

watermark\Arnold.m
.........\ArnoldPeriod.m
.........\fanArnold.m
.........\getmark.bmp
.........\getmark0.bmp
.........\hs_err_pid3240.log
.........\hs_err_pid4568.log
.........\mark.bmp
.........\music.wav
.........\nc.m
.........\.engliang\mangtiqu.m
.........\.........\qianru.asv
.........\.........\qianru.m
.........\.........\tiqu.asv
.........\.........\tiqu.m
.........\pinpu.m
.........\qianru.asv
.........\qianru.m
.........\shuiyin.wav
.........\snr.m
.........\speech.wav
.........\StirmarkForAudio\addbrumm_1100.wav
.........\................\addfftnoise.wav
.........\................\addnoise_100.wav
.........\................\addsinus.wav
.........\................\amplify.wav
.........\................\Arnold.m
.........\................\compressor.wav
.........\................\copysample.wav
.........\................\cutsamples.wav
.........\................\cygwin1.dll
.........\................\Documentation for Stirmark for Audio.files\addbrumm.jpg
.........\................\..........................................\exchange.jpg
.........\................\..........................................\invert.jpg
.........\................\..........................................\normalize.jpg
.........\................\..........................................\original.jpg
.........\................\..........................................\resampling.jpg
.........\................\..........................................\Thumbs.db
.........\................\..........................................\zerocross.jpg
.........\................\..........................................\zerocross1.jpg
.........\................\..........................................\zerolength.jpg
.........\................\..........................................\zeroremove.jpg
.........\................\Documentation for Stirmark for Audio.htm
.........\................\echo.wav
.........\................\fanArnold.m
.........\................\fft_hlpass.wav
.........\................\fft_stat1.wav
.........\................\fft_test.wav
.........\................\flippsample.wav
.........\................\getmark.bmp
.........\................\getmark0.bmp
.........\................\hs_err_pid4144.log
.........\................\hs_err_pid5176.log
.........\................\hs_err_pid5552.log
.........\................\huanpin.asv
.........\................\huanpin.m
.........\................\MarkedFile.wav
.........\................\music.wav
.........\................\nc.m
.........\................\parameter.cfg
.........\................\rc_highpass.wav
.........\................\rc_lowpass.wav
.........\................\Readme.txt
.........\................\smooth.wav
.........\................\smooth2.wav
.........\................\snr.m
.........\................\stat1.wav
.........\................\stat2.wav
.........\................\stirmarkaudio.exe
.........\................\voiceremove.wav
.........\................\watermark.bmp
.........\................\z11.m
.........\................\z12.asv
.........\................\z12.m
.........\................\zerocross.wav
.........\................\zerolength.wav
.........\................\zeroremove.wav
.........\tiqu.m
.........\Untitled.m
.........\Untitled1.m
.........\watermark.bmp
.........\StirmarkForAudio\Documentation for Stirmark for Audio.files
.........\nengliang
.........\StirmarkForAudio
watermark

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