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28th September 2014, 18:11 | #12821 | Link |
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Can be used to decode the track but can't be used by eac3to until madshi can parse the track and add new libav dll's.
By the moment you can do, for instance: ffmpeg -i 000000.m2ts -map 0:1 recoded.flac
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28th September 2014, 20:27 | #12822 | Link | |
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Quote:
JSS |
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29th September 2014, 10:08 | #12824 | Link | |
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Quote:
BTW: ffmpeg -i 00000.m2ts -map 0:1 -acodec ac3 -ac 6 -ab 640000 recoded.ac3
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29th September 2014, 16:08 | #12825 | Link | |
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Does this actually convert the entire THD+AC3 to AC3 (rather than simply extract the AC3 stream, as you suggest with tsMuxeR)? |
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29th September 2014, 17:01 | #12826 | Link | |
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Quote:
ffmpeg -i "test.m2ts" -vn -ac 8 -acodec pcm_s24le -f wav c:\video\temp.wav
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5th October 2014, 03:27 | #12833 | Link |
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In the standard (lossy) DTS headers there are a field to remember the bitdepth (precission) of the source PCM used to encode the DTS.
After the encode this info is useless because we can't recover the original precission. By default eac3to change this field to put always 24 bits to remember than any lossy format (AC3, DTS, ...) must be decoded at last to 24 bits, even if the source PCM was 16 bits, to preserve the max quality. Then use -dontPatchDts is useless because don't change any relevant info in the stream.
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19th October 2014, 16:47 | #12837 | Link | ||
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Format is not supported
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19th October 2014, 19:36 | #12838 | Link |
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That is not format audio, is muxing mode. The audio format for you code is AAC, and eac3to already support that format.
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19th October 2014, 22:48 | #12839 | Link |
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The message from eac3to about the aac tracks of this file is "parsing failed".
But it works when put in MKA (and probably also MKV), eac3to has maybe problems with aac in TS container. Open your TS in MKVMerge, uncheck video if not needed, export in mka, open the mka in eac3to. Strange thing : the aac 2.0 becomes 3.0 when in mka and the frequency becomes 22.05 KHz ; Code:
Audio ID : 1 Format : AAC Format/Info : Advanced Audio Codec Format profile : LC Codec ID : A_AAC Duration : 1mn 8s Channel(s) : 3 channels Channel positions : Front: L C R Sampling rate : 22.05 KHz Compression mode : Lossy Default : Yes Forced : No edit : I spoke too quickly ; analyzing works but not decoding ; Code:
eac3to v3.27 command line: "C:\Program Files\eac3to\eac3to.exe" "F:\09-30_12-25-28_Globo HD_SP.mka" "F:\09-30_12-25-28_Globo HD_SP.wavs" ------------------------------------------------------------------------------ MKA, 1 audio track, 0:01:09 1: AAC, 3.0 channels, 22kHz Track 1 is used for destination file "09-30_12-25-28_Globo HD_SP.wavs". [a01] Extracting audio track number 1... [a01] Decoding with DirectShow (Nero Audio Decoder 2)... [a01] Getting "Nero Audio Decoder 2" instance failed. <ERROR> Aborted at file position 220599. <ERROR> Last edited by Music Fan; 19th October 2014 at 23:09. |
20th October 2014, 07:35 | #12840 | Link |
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@RoseM
1) Extract with eac3to (ignore warnings) 2) Use vlc to convert LATM to standard .m4a (see http://forum.doom9.org/showthread.ph...84#post1453484 ), for instance: vlc.exe -I dummy aud_latm.aac --sout #std{access=file,mux=mp4,dst="aud_nolatm.mp4"} vlc://quit
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