Audio problem: In the end of the movie when the band plays during their wedding, watch the drummer. The drummer is playing something different than what you hear.
Audio problem: When the train goes through the station there is no change of sound, ie. Doppler effect.
Audio problem: In the beginning, Walter and Anna are in bed and Walter gently slaps Anna on the hip 4 times, but we hear 5 slaps.
Answer: I have watched this several times. It looks to me like he is saying Meryl Streep but the audio is just out of sync with the man's lips. Plus when Hanks says it, it matches Meryl Streep on his lips.
William Bergquist
Answer: It looks like Meryl Streep the first time he says it but not the second.