Kumyoung Vivaus Mini

[Aeijaei]

Hi, welcome me, i'm a new member, this is my first post :)

I just purchased the Kumyoung Vivus Mini last week. And had some progress already on my research on it's format. BTW, it is harddisk based, so the files are scattered in the harddisk unlike in DVD karaoke player where there are 2-4 files where all the songs are packed together. The video of course just follows the DVD video format.

Here's the product link: http://ph.kumyoung.com/eng/product/product01_item09.asp

They used 3.5" SATA harddisk formatted as FAT32.
The harddisk only contain data and not any operating system or programs/firmware that it may use.

Songs are already represented by each file with the file extension KYD. (older mode Vivaus Pro ha KYC file extension, not sure if it the same format).
I can't really tell if the file is already close to a Midi file or if there were encryption, since I am not familiar with the .MID format. I tried renaming it to .MID and .KAR already, but can't be played. So, a conversion is necessary.

In the \RSONG folder, it has the following files:
  - EVENT.DAT - looks like it contains the list of new songs (referenced to other file) in the past 12 months
  - HIST.LST  - just a text file, listing the previous 12 months date
  - MEDSUB.DAT - no idea yet
  - SINGER.DAT - list of all the singer terminated by NULL character. They may be indexing in the file to the the singer name
  - SORT.DAT - most likely for indexing purposes
  - TITLE.DAT - List of all the titles of the song, it contains a header and additional DWORD value right after the song title
  - TITLE.INX - well, most likely the index for the titles (no idea yet)

I know, I don't have the details yet on the format, because I haven't checked it further. I am gathering different updates so I can study how the above files change.

What I have is that I can change by background videos by adding/replacing files in the \RMPEG folder.
Yeah, that pretty obvious, I won't describe it any further.

What I really found out is how to extract the .BIN package that can downloaded in their website as song update. The usual song upgrade process requires you to put the .BIN package in a USB flash drive. Boot the player, go to the setup menu, select the song update. Insert the flash drive and its should be okay.

The sad part is updating songs requires you to buy new IC (they call it pic ic) which can be used for 3 updates and you cannot skip an update. It costs 450 pesos (USD 9.50).

If I can upload the song files directly, they I can save some bucks. The song files (.KYD) are just additional files while the 7 files I have listed above will be replaced/overwritten. So, not knowing the fileformat of those file is still okay for now. I will need to test this first on the next song update they will provide.

I am also looking on how to add mp3 and music videos in it.

Anyone who's interested in this project. =)

[bigboss97]

MIDI is the name for the protocol, see MIDI specification.
There's also the MIDI file format (which has the time information). Then there's another format for which I couldn't find an official spec:
http://www.nabble.com/Decoding-JBK-6628-DVD-Karaoke-Disc-tp12261269p12399619.html

You should be able to see pattern in MIDI files if they are not compressed or encrypted. Do not focus on single file. Some pattern are not that ovious. See also:
http://www.nabble.com/Useful-Tools-for-file-Analysis-tt13012184.html

Can you please also provide information for the size of the files, e.g. how big is each KYD?

Aeijaei wrote:

Songs are already represented by each file with the file extension KYD. (older mode Vivaus Pro ha KYC file extension, not sure if it the same format).
I can't really tell if the file is already close to a Midi file or if there were encryption, since I am not familiar with the .MID format. I tried renaming it to .MID and .KAR already, but can't be played. So, a conversion is necessary.

In the \RSONG folder, it has the following files:
  - EVENT.DAT - looks like it contains the list of new songs (referenced to other file) in the past 12 months
  - HIST.LST  - just a text file, listing the previous 12 months date
  - MEDSUB.DAT - no idea yet
  - SINGER.DAT - list of all the singer terminated by NULL character. They may be indexing in the file to the the singer name
  - SORT.DAT - most likely for indexing purposes
  - TITLE.DAT - List of all the titles of the song, it contains a header and additional DWORD value right after the song title
  - TITLE.INX - well, most likely the index for the titles (no idea yet)

If I can upload the song files directly, they I can save some bucks. The song files (.KYD) are just additional files while the 7 files I have listed above will be replaced/overwritten. So, not knowing the fileformat of those file is still okay for now. I will need to test this first on the next song update they will provide.

[madrock]

hello Aeijaei,

i'll just try to ask about on the rmpeg folder, if replace another file at rmpeg why does it appears blank on the screen but in the computer i can play it even the original files the dvd extention..
bec. i'm trying to replace another mtv file at folder rmpeg, i bought a cd and i replace the avseq.dat to mtv1.dvd to replace the original mtv1.dvd at folder rmpeg, but when you access that no. at kumyoung player nothing will be displayed. pls.help.. tnx..

[bigboss97]

Following chat is purely based on my experiences, not technical documents. So, it might be wrong  :-)
Non-data (music/video) CD/DVDs are structured based on tracks etc. When you put the disk in computer the software reads the information and handles the data as files. So, when you copy the files to disk it becomes a data disk.

Usually, the software players can handle that, i.e. as soon as it "sees" the typical video file structure it will track down the required information and play it back as a video disk. When you put the disk into stand-alone players they don't know what to do with the data. Of course, there are some players doing what a software player does, i.e. you can replace files.

I know that California and Arirang has problem.
http://www.nabble.com/How-to-put-your-own-Video-on-the-DVD--%28California-electronics%29-td11550778.html

But JBK:
http://www.nabble.com/Decoding-JBK-6628-DVD-Karaoke-Disc-tp12261269p12304814.html

HTH
Phuoc Can HUA

[Aeijaei]

madrock wrote:

hello Aeijaei,

i'll just try to ask about on the rmpeg folder, if replace another file at rmpeg why does it appears blank on the screen but in the computer i can play it even the original files the dvd extention..
bec. i'm trying to replace another mtv file at folder rmpeg, i bought a cd and i replace the avseq.dat to mtv1.dvd to replace the original mtv1.dvd at folder rmpeg, but when you access that no. at kumyoung player nothing will be displayed. pls.help.. tnx..

Hi madrock,
I haven't tried that. What I have tried yet is replacing the background videos.
The avseq.dat are MPEG-2 format which is the same format with the videos that has .DVD file extensions (which has nothing to do with the DVD that we know).
Because the mtvxxx.dvd has still corresponding .KYD file, it may need to be updated too, maybe some checksum or filesize checking.

I'll try it when I open by Mini's harddisk again and let you know on the outcome.

[MaxtorD]

Do you happen to know a way to get updates to the Pic chip in the USA?   I travel to the Philippines about twice a year, but it would be helpful to be able to get Pic service here in the US.  Have you seen or heard the FeelTong?   I was wondering how that unit sounded and updated.  I am following the progress you make.  Thanks. :)

-=Tracy=-