Astublieft:
Version 1.51 for the MPC4000 is now available at the Akai websites.
http://www.akaipro.com/int/download
or
http://www.akaipro.com/us/osdload.html
1 New MIXER pages
Improved Part Mixer.
New Pad Mixer for Drum Programs.
Automation of Part Mixer and Pad Mixer (Fader, Pan, FX Send can
be recorded in the sequence)
2 Added VELOCITY or TUNING options for 16-LEVELS key.
3 Added "MIDI Note" Trigger option in Sample Recording.
4 Added "ALL" option for MIDI Sync Output selections.
5 Added PLAY/STOP and PLAY START/STOP toggle options for a single
Footswitch.
6 Added CLEAR MEMORY option in "Operation" menu of GLOBAL/MEMORY page.
7 Added "Reset Q-Link and controllers on sequence change" option in
MISC page.
8 Added "Sequence Edit event monitor" option in MISC page.
9 Sync settings, except "Sequence start time", are now stored as
Global setting. (retained after Power off)
10 First MULTI is now automatically active after loading.
11 Repeat value is now reset to "1" when sequence is changed in Song mode.
12 Modified Midi Routing to support external SysEx replies.
13 Shift Timing changes can now be heard in real-time in Timing
Correct window.
14 Improved Program Change speed for Parts in a Multi.
15 Improved Multi program change delay.
16 Improved LCD drawing speed.
17 Improved Sync. stability.
18 Increased q-link zone start range.
Plus many bug fixes
Also...
USB driver V2.0 for MPC4000 has been released for improvement of USB
connection stability
http://www.akaipro.com/int/download/aks_dload.html
or
http://www.akaipro.com/us/aksys.html