Speech features. >> and he is continuing to ask dr. nakasone of the quality of the 911 tapes. basically what the defense attorney is trying to get at even if you know the person intimately the tape quality is so poor, it might be impossible to determine whose voice is on the tape, earlier, it might be to identify it by someone who is familiar with that person. testimony will continue along those lines after we come back. . (guy) i wannna catch a falcon! (girl) we should do that. (guy) i caught a falcon. (guy) you could eat a bug. let's do that. (guy) you know you're eating a bug. (girl) becaus...