Forum to discuss all matters relating to the MPC1000 and MPC2500 operating systems created by 'JJ' (all versions).
By koalaman Mon Nov 23, 2015 5:14 am
Hi All,

Yes yes, i know this is a much talked about subject on here & read many of them that show "yes u can do this" & "no you can't" responses so am in need of positive outcomes:) here please so here goes!

I am a live rock drummer, been using an MPC1000 live for over 7 years now, its worked a treat especially when i changed over to JJOS1!

I'll give you a quick rundown on my setup!

I use JJOS1 - Version 4:99L, 2GB Sandisk CF, 70 GB Internal HD, Roland TMC-6 Midi Converter & 3 Roland PD-8 Trigger Pads & Xenyx 1202 Mixer, all in one case - stellar.

I play to a click which i have set up all of them as an individual sequence (4/4 Loop On 2 Bar ie 188bpm tempo) so at end of each song i simply move joggerwheel to the next program loaded and continue on...easy!
Note - Our live sets are all preprogrammed in the MPC that contain click for each track as well as samples ie keys, noise effects etc assigned to individual PD-8 Trigger pads which i hit with drumsticks during songs to trigger a e.g keyboard section that might e.g run for 30 seconds...all easy again!
Load time for all these programs for a 40 minute set is about 30 seconds so its perfect! All files 16-BIT, all MONO!

NOW - The new dilemma, we lost our bass player recently so instead finding someone else we want to run prerecorded bass backing tracks instead still using the MPC!

CAN THIS BE DONE SOMEHOW???
I saw this once <The main problem for you is the MPC memory limit. It can only hold about 24 minutes (mono) of audio (or 12 minutes of stereo audio). I recommend a multitrack recorder (with MIDI sync) for your backing tracks. Something like a Roland VS-880 or Akai DPS-12>

WE DON'T want to use a LAPTOP Live!!! Out of the question!!!
But also don't want to drag around another bulky hard disk item that i am seeing as suggested.

SO can any amazing MPC expert road warriors shed some light on making this request a reality???
Am no expert with JJOS1, the MPC1000 manual says you can make a single sequence rather than loop?
If so will there be still enough memory to run a 40 minutes set of just bass backing tracks?

I look forward to any advice, suggestions.

Oh is there any new updates i need to do for JJOS1 - Version 4:99L to possible achieve this?

Thx!
By koalaman Mon Nov 23, 2015 3:31 pm
ok:) i have a wav converter program already.

My biggest hurdle is how the hell do i do this? save each individual bass track in wav at the new sample rate then load it to MPC then?? sorry no idea so a quick crash course would be amazeballs:) thx again!

Do i also lower the sample rate from all my other samples too for space?

The key is the make sure the bass starts on time with click ie 8 bars then we start so it remains in time as we play along etc, so i create this as a sequence then start the song via a footswitch?? sorry no idea!
User avatar
By Bugfix Mon Nov 23, 2015 4:06 pm
You should copy whole folder with samples, and work on copy. Yes, change sample rate and save. You might try batch covert.

There would be too much and/or/if(s) right now, in my writing :smoker: :lol:
Give some details insted of more questions. How many samples and its volume in original you want to fit in (Mb)?

It's depend on you which sound is worth 44100 rate... deal with it.
33075 rate is 3/4 of original 44100 and it will do most of sounds, but samples with only "low" content can be written good with much lower rates. Again - Yes it will degrade quality in high frequency spectrum.

Look at this chart
damien907 wrote:Image

B/W is bandwidth (also says "opitimum", not highest) sample rate should be minimum 2 x bandwidth to maintain high spectrum,
but you actually want maximum 2x or less.. trading some quality for volume
By koalaman Tue Nov 24, 2015 11:54 am
Champion:) Thx again. Yes i will have plenty more questions sorry here's a few more:

How can i see how much Ram i have left in my MPC at the moment? Do i refer to my CF card or my Internal HDD what is the best option here for space? CF or HDD? My folder isnt filled to the brim most of my samples range from 2Mb to 100MB etc

<You should copy whole folder with samples, and work on copy. Yes, change sample rate and save. You might try batch cover> ???
Ok,Where in the MPC JJOS1 program can i do this & can i change the samples individually?

The aim here mainly is to utlise as much space as i can to run full length bass tracks live as well as using my assorted keys, samples etc.

Again i truly appreciate the reply and look forward to the next update!

Peace & beats!
User avatar
By Bugfix Tue Dec 01, 2015 9:05 am
How can i see how much Ram i have left in my MPC at the moment?

Look in load mode, it's visible when you're at root of drive, press left arrow ( you see basic folders on drive)

<You should copy whole folder with samples, and work on copy. Yes, change sample rate and save. You might try batch cover> ???
Ok,Where in the MPC JJOS1 program can i do this & can i change the samples individually?

in PC, you do that in computer
User avatar
By Bugfix Tue Dec 01, 2015 9:06 am
How can i see how much Ram i have left in my MPC at the moment?


Look in load mode, it's visible when you're at root of drive, press left arrow ( you see basic folders on drive)

<You should copy whole folder with samples, and work on copy. Yes, change sample rate and save. You might try batch cover> ???
Ok,Where in the MPC JJOS1 program can i do this & can i change the samples individually?


in PC, you do that in computer
By koalaman Tue Dec 08, 2015 9:01 am
Hey mate, ok here goes with my current MEMORY on MPC1000, i just need to know is it good or bad as i have no clue in terms of RAM & Megabytes space etc!

INTERNAL MEMORY - Wave Free= 188.4.mb
- Seq. Free= 4.6mb

HARD DISK - - HDD Free= 75956 mb
Wave Free= 188.4.mb
- Seq. Free= 4.6mb

MEMORY CARD - - Card Free= 735.2 mb
- Wave Free= 188.4.mb
- Seq. Free= 4.6mb