53
edits
EKK:LoFi Sounds in HiFi Spaces/Making connection/OS X Messages/FaceTime: Difference between revisions
EKK:LoFi Sounds in HiFi Spaces/Making connection/OS X Messages/FaceTime (view source)
Revision as of 05:07, 24 April 2013
, 24 April 2013no edit summary
mNo edit summary |
mNo edit summary |
||
| Line 20: | Line 20: | ||
Audio signals were generated by each side, transmitted via Soundflower through Messages, and recorded via Soundflower on the other side. Dropouts were naturally the most significant problem, but in a sine wave test, a strong amplitude modulation would appear and disappear at 50Hz. This is evident in the accompanying screen shot. | Audio signals were generated by each side, transmitted via Soundflower through Messages, and recorded via Soundflower on the other side. Dropouts were naturally the most significant problem, but in a sine wave test, a strong amplitude modulation would appear and disappear at 50Hz. This is evident in the accompanying screen shot. | ||
A spectrum plot of white noise shows the removal of all frequencies above 6000 Hz, and a roll off of frequencies below 300 Hz. | |||
<gallery> | <gallery> | ||