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11th January 2021, 00:32 | #15061 | Link | |
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https://de.wikipedia.org/wiki/Codepage_850 On Win 10 it can be changed to UTF-8 Calling cmd with arguments gives full Unicode support.
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23rd January 2021, 13:46 | #15062 | Link |
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Is there still no way to combine a TrueHD track with a core track? Instead a thd+core needs to be encoded with libAften every time? Some tracks fail that way.
Certain devices can't play the TrueHD track alone and need the core embedded. Either use a full BluRay rip structure or a MKV rip THD track and have to encode with libAften and then merge into a .TS/.M2TS which preserves the thd+core. |
23rd January 2021, 23:36 | #15063 | Link | ||
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If is 7.1 add -down6 If is 96 KHz add -resampleTo48000 If there are a clip add -no2ndpass
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18th March 2021, 23:12 | #15064 | Link |
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Hi,
I recently used eac3to for reencoding a 24bit DTS-HD MA stream to 16bit (DTS-HA MA 24bit => eac3to => WAV 16bit => DTS MAS => DTS-HD MA 16bit); however, I noticed this 2017 discussion in a forum about the "eac3to does not manage the DTS-HD codec delay of 1024 samples" : https://forum.fanres.com/thread-1531.html The solution at the times seemed to be something along the lines of "eac3to input output -21ms"... (to be precise it should be measured in number of samples, not in ms, as the delay is 2 frames = 1024 samples) So, my question is: the "delay problem" being known for a few years now, is the current release of eac3to able to handle this "codec delay" by itself now ? Or is it still needed to care about managing that delay "by hand" when converting from DTS-HD audio ? Thanks ! |
19th March 2021, 00:57 | #15065 | Link |
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A standard dts stream doesn't have a global header with the "Codec delay" tag, only the dts's created by the encoder Master Audio Suite have these headers.
Inside a container doesn't exist that header and the authoring soft must cut these frames (at least MkvMerge do so). Is a encoder (all encoders insert some delay) problem but streams extracted from containers by eac3to doesn't have that delay. AC3's encoders add 5ms of delay, ffdcaenc add 11ms to dts's, some AAC encoders 26ms ...
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1st April 2021, 17:54 | #15066 | Link |
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Error with ea3cto
Hello,
i am getting the error message from eac3to "Unable to convert DTS track to wav" The two audio files are "DTS XBR" and "DTS XLL X" Do you have any ideas? Here is the MediaInfo of the file: Format : Matroska Format version : Version 4 File size : 80,0 GiB Duration : 3 h 20 min Overall bit rate mode : variabel Overall bit rate : 57,2 Mb/s Movie name : King.Kong.2005.EXTENDED.GERMAN.DL.2160p.UHD.BluRay.HEVC-4K Encoded date : UTC 2018-04-21 11:06:32 Writing application : mkvmerge v22.0.0 ('At The End Of The World') 64-bit Writing library : libebml v1.3.5 + libmatroska v1.4.8 Video ID : 1 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main 10@L5.1@High HDR format : SMPTE ST 2086, HDR10 compatible Codec ID : V_MPEGH/ISO/HEVC Duration : 3 h 20 min Bit rate : 46,2 Mb/s Width : 3 840 Pixel Height : 2 160 Pixel Display aspect ratio : 16:9 Frame rate mode : konstant Frame rate : 23,976 (24000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 (Type 2) Bit depth : 10 bits Bits/(Pixel*Frame) : 0.232 Stream size : 64,5 GiB (81%) Writing library : ATEME Titan File 3.7.9 (4.7.9.0) Default : Ja Forced : Nein Color range : Limited Color primaries : BT.2020 Transfer characteristics : PQ Matrix coefficients : BT.2020 non-constant Mastering display color primaries : Display P3 Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2 Maximum Content Light Level : 1000 cd/m2 Maximum Frame-Average Light Level : 96 cd/m2 Audio #1 ID : 2 Format : DTS XBR Format/Info : Digital Theater Systems Commercial name : DTS-HD High Resolution Audio Codec ID : A_DTS Duration : 3 h 20 min Bit rate mode : konstant Bit rate : 3 456 kb/s Channel(s) : 8 Kanäle Channel layout : C L R LFE Lb Rb Lss Rss Sampling rate : 48,0 kHz Frame rate : 93,750 FPS (512 SPF) Bit depth : 24 bits Compression mode : Lossy Stream size : 4,83 GiB (6%) Language : Deutsch Default : Nein Forced : Nein Audio #2 ID : 3 Format : DTS XLL X Format/Info : Digital Theater Systems Commercial name : DTS-HD Master Audio Codec ID : A_DTS Duration : 3 h 20 min Bit rate mode : variabel Bit rate : 7 413 kb/s Channel(s) : 8 Kanäle Channel(s)_Original : Object Based ChannelLayout_Original : Object Based Sampling rate : 48,0 kHz Frame rate : 93,750 FPS (512 SPF) Bit depth : 24 bits Stream size : 10,4 GiB (13%) Language : Englisch Default : Ja Forced : Nein Text #1 ID : 4 Format : UTF-8 Codec ID : S_TEXT/UTF8 Codec ID/Info : UTF-8 Plain Text Duration : 3 h 16 min Bit rate : 0 b/s Count of elements : 39 Stream size : 867 Bytes (0%) Title : Forced SRT Language : Deutsch Default : Ja Forced : Ja Text #2 ID : 5 Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 3 h 16 min Bit rate : 443 b/s Count of elements : 78 Stream size : 639 KiB (0%) Title : Forced PGS Language : Deutsch Default : Nein Forced : Nein Text #3 ID : 6 Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 3 h 18 min Bit rate : 19,0 kb/s Count of elements : 2594 Stream size : 27,0 MiB (0%) Language : Deutsch Default : Nein Forced : Nein Text #4 ID : 7 Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 3 h 20 min Bit rate : 78,4 kb/s Count of elements : 7166 Stream size : 112 MiB (0%) Language : Deutsch Default : Nein Forced : Nein Text #5 ID : 8 Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 3 h 9 min Bit rate : 21,8 kb/s Count of elements : 3438 Stream size : 29,5 MiB (0%) Language : Englisch Default : Nein Forced : Nein Text #6 ID : 9 Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 3 h 19 min Bit rate : 80,1 kb/s Count of elements : 7162 Stream size : 114 MiB (0%) Language : Englisch Default : Nein Forced : Nein Thank you for any help! Kokka |
5th June 2021, 13:11 | #15068 | Link | |
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I was converting an audio stream from AC3 to wav and while doing it, it shows a delay and that a delay would be applied to the raw PCM
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5th June 2021, 21:42 | #15069 | Link | ||
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9th June 2021, 15:07 | #15073 | Link | |
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Please use ffmpeg instead eac3to: ffmpeg -i "ANY_INPUT" -map 0:TRACK -acodec pcm_s24le "OUTPUT.w64" ffmpeg support many more containers and codecs for input, and output, than eac3to
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BeHappy, AviSynth audio transcoder. Last edited by tebasuna51; 9th June 2021 at 15:17. |
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9th June 2021, 15:28 | #15074 | Link | |
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20th June 2021, 05:55 | #15076 | Link |
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Hi.
What is the best way to convert a DTSMA 7.1 to AC3 5.1 640kbps without losing the audio content of the 2 extra back channels of the 7.1 and get them downmixed into the 5.1 so the final AC3 5.1 ends with the 7.1 rears + surround channels mixed? Will the audio conversion tool do the downmix? I can put -down6 in command line conversion but not in the conversion tool. Thanks! |
20th June 2021, 10:09 | #15077 | Link | ||
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1) The eac3to -down6 make the mix of surround channels with floats: SL' = SL + BL SR' = SR + BR and check if there are over volume (clip signal) and do a full (all channels) normalize to avoid distort. Advantage: The balance between front and surround channels are preserved. Disadvantage: The full volume can be reduced. 2) We can do a special normalize only to the surround channels only when it is needed. Advantage: The full volume is preserved, only the surround channels are reduced to avoid clip (it is not possible the same volume with 5 speakers than with 7) Disadvantage: The balance between front and surround channels are preserved most the time, only changed in points needed for avoid distort. A implementation of this method can be: ffmpeg -i "ANY_INPUT" -map 0:TRACK -FILTER -acodec ac3 -ab 640K "OUTPUT.ac3" with FILTER, for example: Code:
-filter_complex "asplit [f][s]; [f] pan=3.1|c0=c0|c1=c1|c2=c2|c3=c3 [r]; [s] pan=stereo|c0=0.5*c4+0.5*c6|c1=0.5*c5+0.5*c7, compand=attacks=0:decays=0:points=-90/-84|-8/-2|-6/-1|-0/-0.1, aformat=channel_layouts=stereo [d]; [r][d] amerge [a]" -map "[a]"
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20th June 2021, 20:48 | #15078 | Link |
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Is there any particular reason why you don't want to extract the lossy 5.1 channel DTS (core) stream from the lossless DTS-HD MA stream and play that instead?
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27th June 2021, 23:23 | #15079 | Link |
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I am having trouble these days getting eac3to to correctly extract audio streams from my UHD multi-part disks. Which is to say, audio gets out of sync. So far this has happened to Wreck-it-Ralph, Ralph breaks the Internet, The Incredibles, Monsters University, etc. What happens is, eac3to will detect the need for, and start second pass (as per usual), and then audio is borked, aka, gets out of sync.
For most UHD movies, I still have my HD counterparts lying around to take their audio stream from, but this is not ideal, and doesn't always fit properly. All very strange, as I've been doing this for literally years (eac3to 3.34).
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