Thanks for the reply. I deleted my mkvtoolnix-gui.ini file and tried it again. It’s the same. If my input file is a MP4 file which has these two audio tracks:
Summary from MPC-HC
Audio #1
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 49 min 25 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 45.2 MiB (3%)
Title : Japanese / Japanese
Language : Japanese
Default : Yes
Alternate group : 1
Encoded date : 2024-02-28 21:51:35 UTC
Tagged date : 2024-02-28 21:51:35 UTC
Menus : 6
Audio #2
ID : 3
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 49 min 25 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 45.2 MiB (3%)
Title : German / German
Language : German
Default : No
Alternate group : 1
Encoded date : 2024-02-28 21:51:35 UTC
Tagged date : 2024-02-28 21:51:35 UTC
Menus : 6
Summary from ffprobe
{
"streams": [
{
"index": 0,
"codec_name": "hevc",
"codec_long_name": "H.265 / HEVC (High Efficiency Video Coding)",
"profile": "Main",
"codec_type": "video",
"codec_tag_string": "hvc1",
"codec_tag": "0x31637668",
"width": 1920,
"height": 1080,
"coded_width": 1920,
"coded_height": 1088,
"closed_captions": 0,
"film_grain": 0,
"has_b_frames": 0,
"sample_aspect_ratio": "1:1",
"display_aspect_ratio": "16:9",
"pix_fmt": "yuv420p",
"level": 120,
"color_range": "tv",
"color_space": "bt709",
"color_transfer": "bt709",
"color_primaries": "bt709",
"chroma_location": "left",
"refs": 1,
"id": "0x1",
"r_frame_rate": "24000/1001",
"avg_frame_rate": "533197500/22238779",
"time_base": "1/90000",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 266865348,
"duration": "2965.170533",
"bit_rate": "4073834",
"nb_frames": "71093",
"extradata_size": 126,
"disposition": {
"default": 1,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "und",
"handler_name": "VideoHandler",
"vendor_id": "[0][0][0][0]"
}
},
{
"index": 1,
"codec_name": "aac",
"codec_long_name": "AAC (Advanced Audio Coding)",
"profile": "LC",
"codec_type": "audio",
"codec_tag_string": "mp4a",
"codec_tag": "0x6134706d",
"sample_fmt": "fltp",
"sample_rate": "44100",
"channels": 2,
"channel_layout": "stereo",
"bits_per_sample": 0,
"initial_padding": 0,
"id": "0x2",
"r_frame_rate": "0/0",
"avg_frame_rate": "0/0",
"time_base": "1/44100",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 130766848,
"duration": "2965.234649",
"bit_rate": "128000",
"nb_frames": "127702",
"extradata_size": 2,
"disposition": {
"default": 1,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "jpn",
"handler_name": "Japanese",
"vendor_id": "[0][0][0][0]"
}
},
{
"index": 2,
"codec_name": "aac",
"codec_long_name": "AAC (Advanced Audio Coding)",
"profile": "LC",
"codec_type": "audio",
"codec_tag_string": "mp4a",
"codec_tag": "0x6134706d",
"sample_fmt": "fltp",
"sample_rate": "44100",
"channels": 2,
"channel_layout": "stereo",
"bits_per_sample": 0,
"initial_padding": 0,
"id": "0x3",
"r_frame_rate": "0/0",
"avg_frame_rate": "0/0",
"time_base": "1/44100",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 130763776,
"duration": "2965.164989",
"bit_rate": "128000",
"nb_frames": "127699",
"extradata_size": 2,
"disposition": {
"default": 0,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "deu",
"handler_name": "German",
"vendor_id": "[0][0][0][0]"
}
},
{
"index": 3,
"codec_name": "mov_text",
"codec_long_name": "MOV text",
"codec_type": "subtitle",
"codec_tag_string": "tx3g",
"codec_tag": "0x67337874",
"width": 1920,
"height": 162,
"id": "0x4",
"r_frame_rate": "0/0",
"avg_frame_rate": "0/0",
"time_base": "1/90000",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 266857290,
"duration": "2965.081000",
"bit_rate": "125",
"nb_frames": "985",
"extradata_size": 68,
"disposition": {
"default": 1,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 1,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "deu",
"handler_name": "German [Full]"
}
},
{
"index": 4,
"codec_name": "mov_text",
"codec_long_name": "MOV text",
"codec_type": "subtitle",
"codec_tag_string": "tx3g",
"codec_tag": "0x67337874",
"width": 1920,
"height": 162,
"id": "0x5",
"r_frame_rate": "0/0",
"avg_frame_rate": "0/0",
"time_base": "1/90000",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 266857290,
"duration": "2965.081000",
"bit_rate": "6",
"nb_frames": "84",
"extradata_size": 68,
"disposition": {
"default": 0,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "deu",
"handler_name": "German [Forced]"
}
},
{
"index": 5,
"codec_name": "bin_data",
"codec_long_name": "binary data",
"codec_type": "data",
"codec_tag_string": "text",
"codec_tag": "0x74786574",
"id": "0x6",
"r_frame_rate": "0/0",
"avg_frame_rate": "0/0",
"time_base": "1/1000",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 2965171,
"duration": "2965.171000",
"nb_frames": "3",
"extradata_size": 43,
"disposition": {
"default": 0,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"non_diegetic": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"creation_time": "2024-02-28T21:51:35.000000Z",
"language": "eng",
"handler_name": "SubtitleHandler"
}
}
],
"format": {
"filename": "replaced.mp4",
"nb_streams": 6,
"nb_programs": 0,
"format_name": "mov,mp4,m4a,3gp,3g2,mj2",
"format_long_name": "QuickTime / MOV",
"start_time": "0.000000",
"duration": "2965.234649",
"size": "1607805666",
"bit_rate": "4337749",
"probe_score": 100,
"tags": {
"major_brand": "mp42",
"minor_version": "512",
"compatible_brands": "mp42iso2mp41",
"creation_time": "2024-02-28T21:51:35.000000Z",
"encoder": "HandBrake 1.7.3 2024021000"
}
}
}
Both audio tracks get the Default track flag set to Yes and the first track has Track enabled = Yes and the second has No.
Am I wrong or are these flags not really what’s set inside the input file and not what you said is the “default settings”.