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Offline chrisNova777

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http://astrochicken.blogspot.ca/2016/12/roland-msq-700-digital-keyboard.html
http://www.soundonsound.com/sos/1996_articles/apr96/rolandmsq700.html
http://www.crazyanalog.com/menu/MSQ-700.htm
http://noyzelab.blogspot.ca/2014/08/roland-tr-909-msq-700-review-e-april.html
http://cdn.roland.com/assets/media/pdf/MSQ-700_OM.pdf
http://synthpalace.com/msq-700/

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The MSQ-700 is an 8-track sequencer that holds up to 6,500 notes that can be stored. Several functions of the MSQ-700 include a chain function, multi-track function, overdubbing and a merge function. Use it to control your TR-909, or Juno-60 or any other MIDI equipment. The MSQ-700 is compatible with both MIDI and Roland's proprietary DCB sync methods (although it can't do both at the same time).


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Recording

The MSQ may load notes in real time or step time into any of the units 8 tracks. The unit offers 1-6 and 8 beats per measure. Step time allows you to enter notes step by step. The note is selected by an external keyboard and the duration is selected by a slider. While the slider seems relatively sturdy moving this slider back and forth over and over again can¡¯t be to helpful to slider¡¯s longevity. I find the slider a little awkward to use. The slider offers 1/64, 1/32, 1/16, 1/12, 1/8, ¼, ½ notes to be selected. Longer notes may be created with ties. There is rest key with is used to input rests with duration selected by the slider. You may record data at the beginning of a track or identify a beginning of a measure in to insert data into.

Interfacing

The MSQ has both MIDI in and out ports and well as a DCB interface. However the machine can only use on these interfaces at once. So it will not act as a DCB to MIDI converter which is a shame. This means you cant send the unit midi data and have it send out the DCB interface. DCB is found on the Roland Juno 60 and more importantly later Jupiter 8s. The MSQ may be controlled by its internal clock or controlled by external midi clock, tape sync, or din sync. The MSQ can write tape sync and can control other units (i.e. TR909, TR606, MC4, etc..) using din sync. The ability to sync and control using all these different formats is one of the MSQ main strengths. The unit can be controlled by its own or external midi clock and send din sync signals at the same time or vice versa. So the MSQ700 will function as a midi clock to din sync converter and this is one of its primary use today.

Playback/Control

To playback what has been recorded you simply select the track you wish to play and hit the play key. The sequence will run to its end and then stop or you make select ¡®continue play¡¯ and it will repeat over and over. You may stop the sequence during playback and then hit the stop/continue key and the sequence will start at the point it was stopped or you may scroll forward or backward to the applicable measure. More than track may be played at once. You may program the machine to play up to 78 tracks in any combination which is known as chain play.

Editing or Lack of Editing

An erase function allows you erase a complete track but there is no way to erase a measure or an individual step which is a tremendous short fall of the machine. So if you make a mistake at some part of the track you either live with it or erase the entire track. A merge command allows you to mix up to seven tracks of data onto one track. A ¡®time correct¡¯ or quantize function is available which essentially decrease the units timing resolution. I¡¯m not to big of a fan of this type of error correction. Overdub is also available which allows you to enter data in real time playing along with existing data. When using DCB, the existing data and the overdub is loaded into a new track. When using MIDI, only the new data is loaded into the new track. If you like the overdub you may merge it with the original data. No other functions are offered, no step time edit or anything else.

Other

A cassette interface is provided to store and load data. The unit uses ¼ audio cables to connect with your tape recorder. The unit offers save, load and verify to test the save. The entire memory of the MSQ or selected tracks may be saved. The data may be reloaded into the unit as it was saved or interestingly enough the track data may be loaded into empty tracks without affecting tracks with data on it. Also worth noting is that the MSQ offers a level test to help you determine the appropriate level of playback that should be used for best results when loading data.



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Offline chrisNova777

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article, october 1984
« Reply #1 on: June 19, 2017, 11:25:40 PM »
http://www.muzines.co.uk/articles/the-right-connections/3398

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The first of our Systems features focusses on making music with the DX7, Jupiter 6, Drumtraks and MSQ700.

In the first of a series, keyboard player Mark Shreeve demonstrates the potential of his system — MSQ700, Jupiter 6, DX7 and SCI Drumtraks.



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Even though it has the DCB facility, the MSQ700 is still primarily a MIDI sequencer — in other words you'll get the most out of it by using all MIDI equipment. I use mine as the central 'brain' of a MIDI system. The set-up is as follows — MSQ700, Yamaha DX7 keyboard, Roland Jupiter 6 keyboard and the SCI Drumtraks drum machine. In addition I have a Roland MIDI Thru box which set me back £40, something which I find totally unjustified because Roland could have easily included a Thru port on the JP6 rather than just the In and Out sockets.

Discovery


Great, so I ve got everything connected to everything else and I'm ready to go. That's when I discovered the secret of the MIDI channel, and what it will or won't do. After many weeks of phone calls to the ever-helpful and very tolerant Ken McAlpine at Syco Systems, I discovered that my DX7 (I have one of the new models) sends MIDI information only on Channel 1 and the JP6, which has a split keyboard, sends on Channel 1, for the upper keyboard and Channel 2 for the lower keyboard. The Drumtraks only requires MIDI clock information from the MSQ700 so it only needs to receive (I normally set the receive channel to 10 just to be safe). The MIDI connections between the system looks as follows:



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This layout is used to perform what I consider to be one of the great party tricks of the MIDI sequencer — that is to have the MSQ700 controlling the DX7 and the JP6, both playing totally different notes but in perfect synchronisation, and the MSQ of course is also the master clock for the Drumtraks.

Let's say you want a bass sequencer line from the JP6 running underneath chords from the DX7 — what you do is this: The MIDI receiving channel selection is switched to Channel 2 on the MSQ, the JP6 bass notes can now be recorded, say onto track 1. (By the way, the split point on the JP6 can be defined anyway along the keyboard so effectively you can have the entire keyboard to be designated as the lower split, i.e. Channel 2.)

Once you are happy with the bass line and are ready to record the chords, then you must alter the MSQ's MIDI receiving channel to Channel 1 (for the benefit of the DX7 on playback).

If you don't want to mess about with changing cables, then the quickest way of recording the DX7 parts onto the sequencer is to actually play them from the JP6. All you do is change the JP6 keyboard split point again so that this time the entire keyboard is in the upper-split mode, therefore sending on MIDI Channel 1. Now it is possible to record the chords with the JP6 but have the DX7 playing them back. There is a problem here though (isn't there always?) — when the JP6 is in the split mode, the maximum number of notes available is either two for the lower keyboard, four for the upper keyboard or vice versa. So obviously you will only be able to play four note chords by using this method — sacrilege when you think that the DX7 is capable of 16-note polyphony.

The way around this problem is obviously to connect the DX7's MIDI Out to the MSQ's MIDI In — this means that the MSQ will remember all 16 DX7 notes if required and also key velocity information — it does of course involve changing the MIDI leads around (and you have to switch off all the equipment concerned before you do this) but it's probably worth spending that extra time if you want the most from the sequencer.

Having selected the new MIDI channel on the MSQ, you can now record the chord pattern onto, say, track 2, but obviously you will want to play along to the existing bass line on track 1 so you push in the Multi track button followed by the track 1 button then the Overdub button. And assuming your retinas haven't been burnt out by the blaze of LEDs, you push the track 2 button and you're now ready to record. All you have to do is press the Load button and you get a countdown and the previously recorded bass line plays with you adding the chords on top (if you're very lucky, you might even come in on time).

Success On A Tape


Press the Stop button during the last measure of the bass line (and this incidentally is where the value of the footpedal became apparent) and you should have completed a successful recording... or have you? Well, all you do to check this is press the Play button — and pray. But what if you cocked up the chords? No problem as the beauty of the MSQ's multitrack facility is that in this instance the bass line and chords are on totally separate tracks, ie one and two. All that needs to be done is to re-record track two (the chords) again.

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A very useful method is to have a simple drum pattern playing from the Drumtraks (remembering that its tempo is controlled by the MSQ, whether or not the MSQ is actually running) and hit the MSQ's load button at the beginning of a drum measure — again, a damn sight easier than listening to the MSQ's rotten old metronome.

It doesn't end there though... suppose you're happy with both your recorded tracks? Great, but they're still occupying two separate tracks. This is where the Merge button comes into play. Again you press the Multitrack button and then press the Track buttons 1 and 2. Then select the Merge button (at which point the LED display flashes up 'Nrg') and then select another track button, say, track three. When you press the Load button, all the data on Tracks 1 and 2 are loaded onto Track 3 which takes about half a second. Then if you press just Track 3 into play you will find that a little touch of magic has occurred — the JP6 is playing the bass line and the DX7 is playing the chords — all from one track! This means that you now erase Tracks 1 and 2 to free them for some more music if required.

This is the kind of versatility that determines that the MSQ700 should not be referred to as 'just a sequencer' — it is a sequencer and 8-track recorder all rolled into one! But, just when you thought it was safe to turn the page, it goes even further.

Once you've recorded as many of the tracks as you wish, you then have the facility to 'Chain' them together. Up to 78 tracks can be linked and in any order or combination — it's a fantastic facility for arranging musical passages and songs. What I do with my system to really make the most of it is put both the MSQ700 and the Drumtraks into the 'Song' or 'Chain' modes — it can be a little tricky sometimes to remember how many bars of this passage or that pattern need to be programmed in — so in this computer and push button age, I've found the ideal way to keep track of what I'm doing — pen and paper! (Anybody remember it?)

So are there any problems? Well, yes there are some small ones, to be expected of course given the tender age of MIDI. My main gripe is all this business about MIDI Send and Receive channels — as mentioned earlier, the DX7 and the JP6 Upper keyboard both send only on Channel 1 — ie they will always be playing the same notes as each other. The problem would be solved if all MIDI equipment, whether they're keyboards, sequencers or drum machines, could have selectable send and receive channels rather than just selectable receive channels on the DX7. I understand that new software to enable the JP6 to do this is on its way — but at what price?

It's also a shame that the MSQ only remembers one song, especially as I've got the Drumtraks next to it waiting to unleash no fewer than 100 songs. The editing facilities on the MSQ aren't exactly comprehensive either — if you find out you've made a mistake in the 15th measure of a 30 measure track, then you have to re-record from measure 15 onwards — even the cheaper MSQ100 has a measure insert/delete feature, so why not the MSQ700? But these are minor complaints.

MIDI may well be the word that everybody is getting sick to death of hearing these days but its importance cannot be understated. With the system I have, for example, I can save a lot of expensive studio time by having all the sequencer tracks and chains worked out at home beforehand and then just dump them to tape, stick the MSQ under my arm and totter off to the studio brandishing a cassette full of sequencer/backing track information, then just load them all into the sequencer — it takes about 30 seconds.

In actual fact, because the studio that I will be using possesses a DX7 and JP6, I don't even have to take my keyboards along with me, I'll just turn up with my DX RAM pack, a cassette full of JP6 programs and a cassette full of MSQ700 programs.

In conclusion, it is obvious that the MIDI system offers a great deal of versatility, and you will note that I haven't even mentioned the fact that the JP6 can be slaved off the DX7 or that the DX7 can directly control the Drumtraks voices (with a wider range of touch sensitivity than there is on the drum machine alone!), but these are merely icing on the cake. With new MIDI software and cheaper hardware becoming available, people will be able to put together systems to their own taste without fear of interfacing problems and that just has to be good news for the musician.

All I want now is a cheap MIDI sampling unit — offers anybody?





Offline chrisNova777

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