The tested movie do have an audio track, but it was muted during playback, MediaInfo below:
Complete name : D:\PS2\CDOPJP.PSS
Format : MPEG-PS
File size : 232 MiB
Duration : 4 min 16 s
Overall bit rate : 7 566 kb/s
Writing library : encoded by TMPGEnc 3.0 XPress Version. 3.0.3.21
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings : CustomMatrix / BVOP
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=18
Duration : 4 min 16 s
Bit rate mode : Constant
Bit rate : 5 880 kb/s
Maximum bit rate : 6 000 kb/s
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 3:2
Frame rate : 29.970 (30000/1001) FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.568
Time code of first frame : 00:00:00:00
Time code source : Group of pictures header
GOP, Open/Closed : Open
GOP, Open/Closed of first fram : Closed
Stream size : 180 MiB (78%)
Writing library : TMPGEnc 3.0 XPress Version. 3.0.3.21
Color primaries : BT.601 PAL
Transfer characteristics : BT.470 System B/G
Matrix coefficients : FCC 73.682
Audio
ID : 189 (0xBD)
Format : PCM
Muxing mode : PS2
Duration : 4 min 16 s
Bit rate : 1 536 kb/s
Channel(s) : 2 channels
Sampling rate : 48.0 kHz
Stream size : 47.0 MiB (20%)
The tested movie do have an audio track, but it was muted during playback, MediaInfo below: