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Karaoke Engineering

Decoding JBK 6628 DVD Karaoke Disc

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jim75 Decoding JBK 6628 DVD Karaoke Disc - Hello all, I am super impressed with the progress that bigboss97 and woid made with the California DVD player. However,... Loading...

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jim75 First Version of DiscImage Tool - Here's the first version of the JBK Disc Image tool. It will create the DTSMUS00.DKD file given the MIDI files. It... Loading...

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jim75 Here's the second version of the disc image tool. It could compile 1000 songs in like a minute. Lots of bug fixes. It... Loading...

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Mavlon Hello Jim75, I salute you for all the hard work you did. This is the only information I have been able to find... Loading...

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bigboss97 Hi Mav, Are you saying that your JBK player has a USB port? If so, I guess it only plays conventional song files. What... Loading...

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Mavlon I spoke to someone that deals with the JBK M-4000 karaoke player and he told me that the DVD cannot be copied and played... Loading...

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bigboss97 That's exactly what I guessed. What I meant by "conventional" are MPEG, AVI etc. But it's not very clever to convert... Loading...

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jim75 First version of SongDump - Here's the first version of the song dump utility. The executable needd to be in the same place as the DTSMUS0*.DKD... Loading...

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bigboss97 jim, Based on the song lists... Loading...

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eilohn Hello, Is there any development on this?? I want also to update my Karaoke Disc which has the same files, i.e.... Loading...

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bigboss97 Re: MediaCom - Hi eilohn, Check jim75's posts. As far as I could follow he did manage to extract songs. As you might already found in... Loading...

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eilohn Hello there bigboss97, Is the "JBK disc" you said is the same as my DVD disc which can play on MediaCom player which... Loading...

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bigboss97 Regarding to your question I've sent you a private message (email) sometime ago. Loading...

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AnNguyen03 Bigboss97, I am new to this. I have same problem as Jeff. I need your help. Any solution Thanks, An "I have a... Loading...

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bigboss97 Re: JBK MIDI-8380BM fails to read the MIDI disc (Vol.L5) - An, What you can try is to make a copy of the disk. If your copy software can't read the disk then the disk might be... Loading...

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AnNguyen03 Hi Phuoc, I was able to rip the content of the MDVD_6628 disc, and saved it as "Track01.bin", "MDVD_6628.mds", and... Loading...

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bigboss97 An, Looks like your disk is okay. Some players have a very short live time. Many cases have been... Loading...

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jim75 Here's a combination of SongDump and COB2MIDI. Just give it a song number and it'll produce a midi file. JBK2MIDI.zip Loading...

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asdeane Hi I have been watching with interest your continued development of conversion tools for JBK Karaoke files and... Loading...

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bigboss97 Re: Decoding JBK 6628 DVD Karaoke Disc (Song List) - I just had a look... Loading...

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bigboss97 Where did you get that document? The first 4 (8) bytes look like a length to me, which could indicate the start of... Loading...

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jim75 I found the document here http://www.ubestkaraoke.com/ebay/pdf/JBK_Manual.doc, but no luck with the executables. The... Loading...

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jim75 Patching findings: Song 1: 1074: 54 -> 53 ->> changes all T in the song to S 1c70: 06 -> 05 ->> the music is messed... Loading...

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bigboss97 That's very good! You already located the lyric and MIDI parts. 1074: 54 -> 53 ->> changes all T in the song to... Loading...

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jim75 Some more patch findings: Lyrics: THE LOVE LINE IS NEVER STRAIGHT AND NARROW UNLESS YOUR LOVE IS TRIED AND... Loading...

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jim75 Interesting finding regarding the song title and block data: 0x36 - start of title 0x4a - the 8th letter of the... Loading...

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jim75 Title decoding: Keys: 02: 01 = Space 03: 51 = 5? 04: 11 = A 21 = B 31 = C 41 = D 51 = E 61 = F 71 =... Loading...

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jim75 Help with encoding/compression algorithm - Here's a simple sample: 05 05 01 05 06 91 05 06 71 20 11 E1 05 06 51 05 07 31 where (see keys in the previous... Loading...

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jim75 Lyric break-through - The lyric part is LZW compressed (standard 12-bit lookup table). Compress data start at offset 0xA of the data block. ... Loading...

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jim75 Midi signature - I need help identify the MIDI signature. The midi part uncompressed size doesn't match the size in the block, so I am... Loading...

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jim75 MIDI Decoding Break-through - I am able to decode the MIDI part now. Man they compressed it so there's no explicit note OFF command, just a ON... Loading...

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bigboss97 Is it using a notation similar to: http://board.midibuddy.net/showpost.php?p=533722&postcount=31 If that's the case,... Loading...

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jim75 Wow, I should've read a bit more before I start digging too deep myself, the format is exactly as described in the post.... Loading...

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scieman hello Sir, i read your post and im so interest with it but the problem is i can't find any file of... Loading...

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bigboss97 Re: JBK 6628 DVD Karaoke Disc (masks used?) - Wondering how did you do so many patches a day. Don't you have to patch the DVD image and burn a new one each... Loading...

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jim75 Yes, I have to burn the DVD everytime, but I chop the background video to like 4 min, and the DTSMUS00.DKD file is... Loading...

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bigboss97 Re: JBK 6628 DVD Karaoke Disc (modify video) - You cut the video with a video editor? Did you compose the DVD yourself with the modified files? So, you managed to... Loading...

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jim75 I used a video editor. The JBK format just use BACK01.MPG. The DVD is just a data DVD with the label "MDVD_6628" just... Loading...

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jim75 First version of COB2MIDI - Here's the first version of the converter to convert the JBK COB format to MIDI. Doesn't work for all songs yet, and... Loading...

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jeffdoan JBK disc is not-readable - Hi, I have a JBK MIDI-8380BM and am having problem with the player recently not able to read the included MIDI disc. ... Loading...

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jim75 Jeff, sorry for the late reply, I've been busy with the software, didn't check this site for a while. A few question... Loading...