Some more info, as usual smuggled out risking life and limbs from the Allmighty Keepers of Knowledge (Akai):
(Long post!)
Subject: MPC4000 V1.51 / USB driver V2.0 for MPC4000 Software Release-
1. MPC4000 V1.51 has been released with the following additional supports and bug fixes from V1.45.
1.USB driver V2.0 for MPC4000 has been released for improvement of USB connection stability.
[Additional supports]
2.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)
3.Added VELOCITY or TUNING options for 16-LEVELS key.
4.Added "MIDI Note" Trigger option in Sample Recording.
5.Added "ALL" option for MIDI Sync Output selections.
6.Added PLAY/STOP and PLAY START/STOP toggle options for a single Footswitch.
7.Added CLEAR MEMORY option in "Operation" menu of GLOBAL/MEMORY page.
8.Added "Reset Q-Link and controllers on sequence change" option in MISC page.
9.Added "Sequence Edit event monitor" option in MISC page.
10.Sync settings, except "Sequence start time", are now stored as Global setting. (retained after Power off)
11.First MULTI is now automatically active after loading.
12.Repeat value is now reset to "1" when sequence is changed in Song mode.
13.Modified Midi Routing to support external SysEx replies.
i.e., Sysex Received on Midi-IN-I will send SysEx Replies to MIDI-OUT-A.
14.Shift Timing changes can now be heard in real-time in Timing Correct window.
15.Improved Program Change speed for Parts in a Multi.
16.Improved Multi program change delay.
17.Improved LCD drawing speed.
18.Improved Sync. stability.
19.Increased q-link zone start range.
[Bug fixes]
20.Note repeat: First hit on Pad was played out of sync when recording.
21.Note repeat: Repeat sound could appear without touching pad after 16 LEVEL is on.
22.Play Start / Play by Footswitch worked incorrectly with MIDI clock SPP in SONG mode.
23.4."Out 2" Part number was not stored when saving sequence.
24.Program Change event did not work if Part is selected in "Out" field.
25.Couldn't scroll through samples in ZONE if one sample has a 20 char name.
26.If sample name starts with space, this sample could not be loaded when loading program with sample.
27.Zone select didn't work correctly after reloading files.
28.Copy/Paste in Sequence Edit mode worked incorrectly in a particular case.
29.Erase + Pad also erased non-active tracks in a particular case.
30.RECORD could erase data from previous track in a particular case.
31.Several bugs related "Repeat value" in Song mode are fixed.
32.In Song mode, time indicator was incorrect when Sync mode is set to Slave and SMPTE 30D is selected,
33.In Insert Event window, Program Change number could not altered by data wheel.
34.Now field was incorrect after Insert in Step Edit mode.
35.MPC crashed when playing more than 2000 bars in Song mode.
36.MPC froze if deleting samples while sequence is playing.
37.Could not read MPC3000 sequence data correctly in a particular case.
38.Click at sample end when filter is enabled and frequency is set to low. Improved.
39.LFO MIDI Sync was not working correctly in a particular case.
40.RANDOM LFO Wave was not working correctly in a particular case.
41.Unwanted notes were played upon opening Timing Correct window while sequence is playing.
42.In a particular case, recorded data is saved into the wrong sequence.
43.If a sample is edited and overwritten, need to re-assign a sample in Program.
44.Z48/MPC4000 SysEx commands are not recorded when input from MIDI-ins.
45.The End margin field of SLICE SAMPLE does not work..
[Note]
46.O.S. V1.51 for MPC4000 has been uploaded on AKAI professional web-site.
47.Operator’s manual V1.50 addendum has been issued on this update.
48.System Exclusive for Z4/8,MPC4000 V1.50 has been uploaded on AKAI professional web-site.
49.USB driver V2.0 for MPC4000 has been uploaded on AKAI professional web-site.
Quite a few fixes and improvements. Looking forward to checking it out!
Arne S.
