1.   Cockpit voice recorders capture not only voices, but also engine noise, alarms and the sounds of the deployment of landing gear, flaps and so on.

2.   NTSB investigators released more details of the cockpit voice recording yesterday but did not include any analysis or interpretation.

3.   The black boxes contain information that allows investigators to hear cockpit voices and assess the performance of aircraft mechanical systems.

4.   When Stearman and his team analyzed the cockpit voice recorder they found a weak phantom signal, in addition to the voice recordings from the three microphones.

5.   With the flight data recorder and cockpit voice recorder apparently located by a robot submarine and likely to be raised soon, useful data may be at hand.

6.   An early analysis of the cockpit voice recorder box revealed that the tape had been erased, but it was unclear when that happened, Hilldrup said.

7.   Both flight data and cockpit voice recorders stopped six minutes before the plane plunged into the ocean.

8.   Investigators listened to the cockpit voice recordings, which showed the co-pilot had been at the controls.

9.   Investigation of the second black box, which records cockpit voices, started Friday in Bucharest.

10.   Experts put off the analysis of the flight data and cockpit voice recorders.