try simple
Code:
ffmpeg -i "http://olystreameast.nbcolympics.com/vod/8ea27d49-ddab-48cd-8d4e-89eecd346124/ladies--short-program0219054304.ism/QualityLevels(56000)/Manifest(audio_en_0,format=m3u8-aapl,filtername=vodcut)" -i "http://olystreameast.nbcolympics.com/vod/8ea27d49-ddab-48cd-8d4e-89eecd346124/ladies--short-program0219054304.ism/QualityLevels(3450000)/Manifest(video,format=m3u8-aapl,filtername=vodcut)" -c copy t.ts