The audio portion will include calls for help from inside the tower by people who were trapped but survived.
The investigators said they were trying to enhance the audio portion of the tape.
In addition to radio stations, this model also plays the audio portion of television programs.
The audio portion of the album was widely leaked around the same time.
It was something used for taking down the audio portion of a film.
The video programs naturally benefit from having their audio portion played with greater fidelity and in stereo.
Like the audio portion, the video was wracked with interference.
The tapes were not allowed to be shown to the spectators; only the audio portion was available to them.
The audio portion survives and has been reissued many times.
The state court ruled that the audio portion of the tape should not have been played at trial.