Problem with .mka channel mixing

[niftypsycho]

Hi there, first time posting. I have a series of .mkv blu-ray files that I am attempting to edit the audio in. I used mkvmerge to separate the audio from the video, and I tried to import the .mka into Audacity. I did this a week ago and I remember it opening three stereo channels of voice, music, and sound effects respectively. However, when I tried the same thing today, they seemed to be all over the place in terms of what is in which channel.

I don't know if this is an mkvmerge problem, Audacity problem, or if there's anything I can do about it.

[Baldrick]

Post the audio details. Use mediainfo or mediainfoxp and open the mka or mkv.

[niftypsycho]

This is the info for the .mka file

General
Unique ID : 226621235194188330037023599978385265614 (0xAA7DA98BCD2C74DA82CA972B201053CE)
Complete name : C:\Users\Smith\Desktop\fmab1english.mka
Format : Matroska
Format version : Version 4 / Version 2
File size : 17.0 MiB
Duration : 1mn 0s
Overall bit rate mode : Variable
Overall bit rate : 2 370 Kbps
Track name : Fullmetal Alchemist Brotherhood - 19
Encoded date : UTC 2014-12-09 23:55:14
Writing application : mkvmerge v7.3.0 ('Nouages') 32bit built on Oct 22 2014 18:44:01
Writing library : libebml v1.3.0 + libmatroska v1.4.1
Attachements : Wunderlich-Medium.otf / Calligraphic-810-BT.ttf / A-OTF-SHINMGOPRO-MEDIUM.OTF / DFPHSMincho-W9.ttf
DURATION : 00:01:00.074988288
NUMBER_OF_FRAMES : 704
NUMBER_OF_BYTES : 9969092
_STATISTICS_WRITING_APP : mkvmerge v7.3.0 ('Nouages') 32bit built on Oct 22 2014 18:44:01
_STATISTICS_WRITING_DATE_UTC : 2014-12-09 23:55:14
_STATISTICS_TAGS : BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES

Audio
ID : 1
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 1mn 0s
Bit rate mode : Variable
Channel(s) : 6 channels
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Title : [FLAC 5.1]
Writing library : libFLAC 1.2.1 (UTC 2007-09-17)
Language : English
Default : No
Forced : No

[netmask56]

If you use gMKVExtractGUI to extract the audio rather than mkvmerge I think you will find based on your mediainfo report you will get a FLAC file rather than a MKV file. It may be just a simple matter of changing the suffix but I am not sure of that. So give gMKVExtractGUI a go.

[El Heggunte]

An MKA file with font attachments

Probably that's the reason why Audacity got "confused".

[niftypsycho]

I tried the extractor and it gives this in mediainfo(couldn't cut to 1 min so entire duration):

General
Complete name : C:\Users\Smith\Desktop\BrotherhoodAudio\Fullmetal_ Alchemist_Brotherhood_01_(1280x720_Blu-ray_FLAC)_[EE8F24E1]_track3_eng.flac
Format : FLAC
Format/Info : Free Lossless Audio Codec
File size : 258 MiB
Duration : 24mn 27s
Overall bit rate mode : Variable
Overall bit rate : 1 474 Kbps

Audio
Format : FLAC
Format/Info : Free Lossless Audio Codec
Duration : 24mn 27s
Bit rate mode : Variable
Bit rate : 1 474 Kbps
Channel(s) : 6 channels
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Stream size : 258 MiB (100%)
Writing library : libFLAC 1.2.1 (UTC 2007-09-17)

When I compared the "extract" version with the "merge" version, they were identical in what was put into which channel.

[niftypsycho]

Does this mean I'm out of luck? I'm pretty new to all this.