It was externally sourced as well, coming from the internet, sensors of various types, public data initiatives such as the human genome project, and captures of audio and video recordings.
H. Farid in [24] modeled the splicing process as a nonlinear operation and used bispectral analysis framework to capture traces of audio splicing.
They remain to this day among his most memorable and are the only words of his captured on audio for almost three decades: During my lifetime, I have dedicated myself to this struggle of the African people.
Reporter Andrew West of KRKD, a Mutual Broadcasting System radio affiliate in Los Angeles, captured on audio tape the sounds of the immediate aftermath of the shooting but not the actual shooting itself.
Sometimes, high-order statistics are taken into consideration, like skewness and kurtosis, as well as more complex feature combinations that capture the dynamics of audio (e.g., the percentage of frames showing less-than-average energy), rhythm (e.g., periodicity from the onset detection curve), timbre, or harmonicity of the segment [18].
The phone captures 10 seconds of audio from its surroundings every 30 seconds.
Deezer's service specifically promises "lossless capture of original analog audio source quality at 5x the bitrate at 1,411 kbps" using the FLAC codec.
But they're not in the space with you; the audio was captured the previous day and laid on top of audio captured the day before that, and so on.
