I decided to use one of my favorite songs – We No Speak Americano (by Yolanda), as my original signal. In addition to convolution, I also periodically varied the amplitude of the convolved signal which added an interesting “twisted” effect to the resulting signal.
The original version of the song sounds like this:
(you could also hear this on youtube)
Audio Player
The first IR I used was a recording of the popping of the balloon in the CFA hallway, which sounded like this:
Audio Player
After convolving my first IR with my original signal, the resulting music sounded like it was coming from a distance or getting reverberated in a large room:
Audio Player
The second IR was a recording of the popping of the balloon near the stairwell in Baker Hall:
Audio Player
The convolution of Papa Americano with IR2 was less muffled since the ‘pop’ of the balloon was more defined and the sound was contained within a short span of time:
Audio Player
For my third IR, I recorded myself clapping twice- the first clap being louder then the second one:
Audio Player
When I convolved my original signal with the third IR, it produced an effect of an echo because I was essentially convolving my signal with two claps (impulses) at different times:
Audio Player
My fourth IR was created by extracting a piano piece from another song in my playlist- a mashup created by Conor Maynard:
Audio Player
On convolving this piano piece with my song, I got an abstract sound that was pleasing to the ear:
Audio Player
Lastly, for fun, I decided to convolve a convolved signal with my original signal. So, I decided to use the signal which was produced by convolving my original song with my claps, as my IR. The end product was surprisingly good:
Audio Player
Below is my Max code:
<pre><code> | |
----------begin_max5_patcher---------- | |
2355.3oc0a08iihiD+4t+qvJ5d5TlHai4q8s6wSZOsq12NMZ0HGvIsmAvbfo | |
6omUa+294O.BjPLzSn2smdTR.iMkqeU4xUUtl+3961rW7UV8FvOA9H3t69i6 | |
u6NSS5Ftq8961jS+ZRFs1zsMIh7bVgbyV6yjruJMsmIdBTp5D3.OSxp.zxxL | |
NKEHEfJVt3QFnPvqY0.ZQJXey29lhrsuiLdAKQzTXdQdsMVRkIOvKN9oJVhz | |
NAQHBYm+V.g.2E.U+ErEfBI6faA9d6ffeucn7TyLRr+ye.EObh94lZI+.OgJ | |
4hBcefsOrV9bFyLnttePTHq4eyzHRSBayEM47hLlzfEnSMJZjcsB0M9m2eu9 | |
qs2HnRSS0P3CLvAFU1Tw.IzlZEp.D0I7rLEintllqfZYSJCHN.RDEOJxdTMr | |
Z9wBZ1qFjg3.MHiIwZfEqtyE9F3DeQuyw2DZAH4AZwQFHkkQeFvO.JXLEnOI | |
rgc.awgZbZjpIxS2j20fNuMWEc9KFF9kJ9QtRWA7qZFCbnRjCLiB7DW9.HWj | |
1KUqes.C1KdmWnRgx2.PXOrAThlFT7+gPcJi+HaWZknri7ORqJn4rwO7i3ee | |
iCbILRCDHnw9Ex2W+S.YZXIr6EYm3xmKY12hB.Te5GRIsRMMTle+Dqft2hQn | |
AHZhHSTYGITSuSegFP38hpTV0n9FBQwAHceIH+fn.8UQQAXsfc3POHRZpmX7 | |
dgXeRrdTp2CLLx7llX7SJvRUJZop8PRYWWL1oAVSUl99DUJq36ajrSWU2JOa | |
EnZYVVCSbnq4t1GBhYhhiSHWQcx0Qct9AQk7xdOUW6jejIdFu3QdMuS1YetQ | |
8r6mWotZA6IkFzEK4yaxj7t8JdAf.Xv2XUBGJrgQFyYsF5PAQ6zBOLdZM1fq | |
pw1ssT+U8C+6xNHd8vj5GO7BvGB713Z6wHrwGDezNTqg9.ncmxoQBukiDauA | |
zwaRzgrhZLRwgWbgLHnQAg.MlxHHWfBBMGpbaZEnUTqHgloVg7AjZQhR4HFt | |
.LvizZb2yIH.WKPH3sFDRdNQCBJy2Kg6s6oE36h4iWKdGud7dS9dVkCFzCgs | |
N4Ezu1224Zehy8s2qb7z8d2v2IVFq.0LoCfI1mrKRAH5s3iI1U.N07wQWGYV | |
pfGtZB9bVcM8H6xk9LIPur+e+ae3m2Br2g028aKDKPZmeiU+QTWSbZL.StcD | |
A+VaF3epMA.cYCHV4ee3ovG6Bh7JpAu+rATphBLiWKeYdOghQmjsVy.dvqYn | |
O76zI.8mTdhN.HZ0y23lh9c9SSkzy8FNIiW1mGngtCq7ommw58q8WokTv+Jm | |
UoBKqPrixObn2CWaW+Buvx4zlTtP2xfNjITdDeZBZnrJzMUPoepVRkrduwGL | |
AtyHTZijnCAZi1HKS7zwLwdZljkWJlpSRtZ4srhoDiS835rlJcW5iJ5LJTkS | |
KTwMUoE+sggd9qnjqd20OvOzsO3YuDQa30JX7n7gAgeolaIeodyTTz8aZ.yh | |
vPmjKudZNqtjwRmlJ6o0JUtlBtd6IcGHjwcnKTrOBr8cykvgaD6+0Py3xmO6 | |
cz871vczWz13ZF4i0FFd902KxDFF99yFF6aozD2FvrFo8I95XY7so3K3Jbn+ | |
lagA9tyuxQJu3kqlfEySOEItKtDGGXiXM1UlmvAuJSz5OGxDTo9B8FFKKILp | |
0lJacWlPqGDO0wect0TVwp656PtpMJKjw6518chtVJTvN2H3MNYImIilKaIC | |
E3SltD3DOKWwr5m8gP3toeN0noEL4S4EbIWuF8BKjC5jxPnrW0m7lkQl8MGN | |
vpdw3dIPGdgCUa+P6R1H0OJOPB0YaFF3Nfa7U0u60iGGPxe2AcL.P944.DcH | |
YW.HtCAA48iFfj+0OCTfxteoTgItBS0tk0PvHZFrXEB93MOQL1Snw2od.Nvj | |
3EebXOqG3NGLnq6Z9qR5+lG6U8Lwf2w59Q8rt2LlDh9K+DntBuIA6U+KCj4Z | |
IN1ehju36h+hcKZ2d52wGix2EbrhoZkWbP7xLqwCrmilOoGMlKaiNbUcrmLC | |
csYIWn+vKj2H9EulItQef31MNlIaMc1JGXvHx2MLh9AHQMJmGKYEo.0OYzD1 | |
7mCIF52qHYOgmqC.3e.1r3jyC.7bNOzAA9AKesz6WmGbkLy+AZAFXQd8v.YF | |
T3cUNKeREMiN6Iu7JN0chIBwqcr6QyKjcbQmszSPgUorOpmt29dZxWNVIZr4 | |
MCsLbyeRbq6ff1ebzwuGDA8iLG+dPLIfDt0bj9DDD0d76Cfayr0TdGmUWXF3 | |
T29XYPsnoJoCW5y14oD9n7aqVxKnmxET2ADCFS3sudJgVBkL94rBzR4MAvaV | |
ZgWMZgmkVdqFslGCGiz47zRgZO+VUDhmsv7zac1tKJNLbbSqx7DM27Tu6ri4 | |
IwZhKFsyuyGYk+x9Ca5VmmZ2r.AyNOIqgr6Lt8Zxt0gV3kPKrmK7GGEZqsvS | |
3+EMcyySuEom.WELgrH7OdUnUzBn0pnVsHtZMreSVrkGzMRoEsOAdMrcuHqo | |
qhxGbQn2prEwBnj2JHkz4fe1ktqwld3fExQ2JgVBcVESQ3knMfCVIVZVyqqg | |
V2RYnaUqyaIDxeTmLE350iSY0oL5RJCuvkcZY4irp51gaHpJ.oOaiBHbq4Vd | |
g8VS0Btohoq0Ta+M0h5FZkJhIoJbolJarGeMxdtXly7spng2x0J1891XTNKL | |
g9vaxe1FBiYlq3tCzlL4XDY+wC7rr9PUFdhScAas4XEMkepp00ELvfHavw5J | |
SVGOiGLNBRrWYKV4gmqscTntgE4ifl3ghHXrsvji7fPBdpQg6Ol7si+5T+Tg | |
5aCVCO3bn1TVIJEU8+mMYmWbe+ajhdFqSZZA0txYuCGU5A+GQAMQbJNx9R4V | |
WsvJQNa9R5dX7fHaWz0tRHo6p3wgBtsUQtRMAOORTawC2MsGp32K6sYk4+xz | |
0mQWY9LsJ.MIgULtvziv9HaHpQnHSQmC8i8IWTp4mJ4ecYPn6DDFsRLvS5kA | |
fbQgntrOAZuqThcKEmRAVgrHuPnAQivgAdlgov3Hb7eq5yi.C0zIBqmX3nHT | |
KV3i77FyYSp2rnE0aXYr7yGZXDLFYgCHDihruEOTPz3wdiq7TBIEVS7LhqvH | |
e+P6UXLB+cu7SMl+79+eHUhMW | |
-----------end_max5_patcher----------- | |
</code></pre> |