Since 2001 he has become the voice of al-Qaida, sending dozens of propaganda messages by video, audiotape and written text, spouting fiery rhetoric against his enemies.
In more than a decade as the official head of an insurgency against the US and its allies, Omar did not release a single video, audiotape or even a signed letter.
He communicates by video or audiotape, often issuing explicit instructions about negotiators he is willing to deal with.
Bin Laden's voice continued to be heard, off and on, for almost the next 10 years as he issued threats, warnings and pronouncements on video and audiotape from wherever he was hiding.
With no connections, no rights to the music and no budget, Mr. Grossman pursued and eventually enlisted players from the original scene for guidance, uncovered hours of video and audiotape and convinced the three surviving Germs (the guitarist Pat Smear, the bassist Lorna Doom and Mr. Bolles) of his sincerity.
We used audiovisual documentation of oral consent (video and audiotape recording and photography), a new method of informed consent designed for illiterate populations, in the Guarani Indians Project, a genetic study in the Paraguayan Guarani Indians.
If possible, try to video or audiotape yourself, and watch it in fast forward.
Masking, draftsman's, cellulose, video-, audiotapetare are not interchangeable with DuctStar tapes.
She used written notes, video recordings, audiotapes and photographs; some of the children of the book used her Flip video camera to document events.
The C.I.A. officials had denied the existence of video or audiotapes of interviews of certain Qaeda suspects, but the letter said the C.I.A. in fact had two videotapes and one audiotape of interrogations.
The most widely discussed self-criticism has come from Sheik Hamza Yusuf, the white convert in Hayward, Calif., whose video and audiotapes are best sellers on many Muslim Web sites.
