ffmpeg -i inputVideo.ts
-i audio1.mp3
-i audio2.mp3
-filter_complex "[0]atrim=0:6,asetpts=PTS-STARTPTS[part0];[1]atrim=17:31,asetpts=PTS-STARTPTS[part1];[0]atrim=20:39,asetpts=PTS-STARTPTS[part2];[2]atrim=108:144,asetpts=PTS-STARTPTS[part3];[2]atrim=153:172,asetpts=PTS-STARTPTS[part4];[part0][part1][part2][part3][part4]concat=n=5:v=0:a=1[aout]"
-map 0:v
-map [aout]
-c:v copy
-c:a aac
-async 1000
out.ts

ffmpeg -i out.ts -c copy -bsf:a aac_adtstoasc out.mp4

ffprobe out.ts

Duration: 00:01:36.18, start: 1.458667, bitrate: 1051 kb/s

ffprobe out.mp4

Duration: 00:01:52.07, start: 0.000000, bitrate: 825 kb/s