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MED FAQ - PAGE 3
Using Those Filters
The command 025E001 sets the resonance of the filter and the type. The
last digit is the type, ie.,
1 = Hi bypass
2 = Low bypass and 0 = the original.
The E00 part is the resonant frequency, 000 is nothing with FFF being
trippy. The best thing to do is to experiment with the settings until
you find what suits,
however, you won't hear the difference until you start using the 24 - 23
commands.
You are advised not to make use of the 24 command unless filtering
basses so that you don't get that annoying click.
For sweeping, the command is 0230004.
Note that in the present V1.x, frequency sweeps can leak memory on some
setups and shows up when you start to record a track.
If it contains a lot of frequency sweeps then whilst recording to WAV,
you may find that pressing the STOP RECORDING button no longer
functions.
The recording will take place as it should, but Med will become
unresponsive due to those leaks and one way around this is to load up
some small executable, ( like Notepad ), before you commence recording
to WAV. Then, when you hit the STOP RECORDING button, if it doesn't
work, simply press Ctrl-Alt-Del and then close Notepad via the task
manager window that has opened and as this releases some memory, you
will now find that you are able to press the STOP RECORDING button!
We will have this Windows phenomena well and truly fixed by the release
of V2!!!
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Minimising Clicks Using Filters
You can use a filter to minimise clicking from bass samples.
As one bass sample truncates another, or has an abrupt volume change, it
can click. To help minimise this, you can apply a filter to the bass
track.
For example, if you have a bass on track 3 which is clicking:
1. Create an effect group for track 3
(Song Menu > Effects > Append)
2. Set the cutoff filter to a low frequency.
For example, command 240500 should filter out most clicks. You may also
need to change the filter type for that track, for this use the command
250001 (sets filter type to Low-Pass).
A Low-Pass Filter will let through low frequencies and cut out high
frequencies (in this case, clicks).
The theory: Because of the nature of digital sound, abrupt changes in
sounds can cause a rapid jump from one sound value to another, which are
heard as clicks. Since clicks are a high-frequency artifact (or unwanted
noise), they can be minimised by what is known as a Low-Pass Filter (let
low frequencies through while removing high frequencies). In MED
Soundstudio, the Filter command is 24xxxx, where xxxx represents the
Filter Cutoff Point, in Hz.
In the above example, 240500 is used to filter out clicks. the 0500 is
hexidecimal for 1280, or, 1280 Hz. You will probably need to experiment
with different values, as the Low Pass Filter will also change the
nature of the sound slightly. For very deep bass sounds you will hardly
notice it, but for basses containing higher frequencies the effect may
be undesirable.
Two other options for avoiding clicks:
1. Use more than one channel for playing bass sounds, so the notes
don't cut eachother off abruptly;
2. Use multiple copies of the same bass sound, cut neatly to different
lengths. This is my personal favourite.
Here is an easy way:
Enter a bass line (just a simple one) then go to "Song>>>Effects" and
append a new effect and name it "Filter".
Closed it, go to the 'button' at the top of the track and chang the
track effect to 'Filter'.
Now simply enter at '0000' x240750 (x = an example sample number, it's
not part of the entering).
In easy terms, this reduces the treble and filters it down to create a
smoother sound.
 *(
zipped MMD file - 36.2 kb)
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Setting a filter and an echo on
the same track
Sent in by user: bluejooz@yahoo.com
This is just an example :-
1. Goto Song-->Effects and select APPEND.
2. Calculate the amount of delay you would like (for example 150BPM -
set delay at 400ms).
Put the Echo Type onto the "Cross Echo" now put Echo Depth upto "50%"
and Stereo
Separation onto "+4".
3. Give it a name e.g "Filter and Echo 1" and then click "OK".
4. Select 1 track (you will need 3 in total - just select 1 for now)
5. Enter your desired tune, loop, etc.
6. Goto the number button at the top of the track and click it.
7. Select your new fx "Filter and Echo 1".
8. Now select 2 more tracks (Don't enter any notes)
9. Select the same "Fx".
10. Select, (for example), 0-32 (hold down the left mouse button and
press F7 assuming that you are using 0-64 pattern lengths)
11. Goto Tools-->Generate Slides-->[24] Set Filter Cutoff Freq.
12. Input your desired amount (Try this - Start 1 / Finish 2500), then
exit.
13. Select the 3rd track - repeat steps 9 and 10 then goto to 14.
14. Select Tools-->Generate Slides--> [23]Filter Sweep or [25]Set Filter
Type/Resonance.
Remember to have all the tracks with same "Fx" (Filter and Echo 1) or it
won't work.
Now, this is where the stereo really works, "Right" click the track with
the samples on
and then click properties.
A new menu will appear displaying all 64 tracks. Find the track with the
samples on it and adjust the pan setting left or right.
Warning though, you may find the sample plays louder, so you might have
to reduce the volume either on the sample, or adjust the track volume.
Exit.
Well, I hope that has helped you.
Blue. Planet Bluejooz
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Can't Stop When Recording a WAV
Manipulating a WAV file that is extremely large can cause processor
havoc. First thing to consider is your processor speed and even more
important, how much memory do you have?, all these can slow down
proccessing and hence you can lose the ability to stop the recording by
using the normal stop button as the proccessor is so busy. However, you
can press CTRL-ALT-DEL, and then, instead of terminating MED, hit
Escape, the Stop Recording button should also be re-enabled by the
processor for a few seconds. The 'best' way to counter this problem is
to add the FFE command at the end of your song (or single block if you
only want to record bits of it). You will however notice that the sample
may end (cut off) slightly before it should if you use the command on
the end of your block (i.e: the last line). To solve thjis you can
either: 1) Add an extra line and put the FFE command there -or- 2) Add
an extra block which fades out all the samples and then put the FFE
command after that. Yet another solution is to go to the playback
options and make sure that the priority is set to normal, NOT high or
Real-Time, as both of those settings,(as previously explained),require a
lot more proccessing power. So to sum up, the best idea is to let the
song stop itself, rather than try and interrupt the recording by
clicking the stop button - just insert an FFE command at the end - if
necessary, add an empty block and put the command there which also gives
you a chance to add a little playing time in case some samples haven't
finished playing yet.
To sum up, the problem is caused, primarily, by three things, the size
of the WAV, the amount of proccesing power needed to handle that large
WAV and also the amount of memory you have in your system. We are doing
our best to alleviate these 'windows' memory problems in the next V2
release, but it is highly likely that to be able to run V2 at it's best,
(multimedia use), a P3, (or higher), with a minimum 450mzh processor and
minimum 128MB RAM will be reccomended.
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Make It Sound LIVE!
The best trick is to let your sample play like it was
a "live instrument". For this, I use the '03' and the 'FFD-' commands.
If it's well placed, it can generate a "live playing guitar" (if you
apply it on a guitar like songs) I use them mostly for the following: I
sample my Yamaha A 3000 and then convert them into Wav samples and use
those codes to make the voice "alive" and it works well .It sometimes
gives unnatural "voice maneuvers" but you can also keep them natural by
doing the following: For the 03-command : from note C to D value 1 From
note C to E or F value 02 or 03 (depending on the playing speed) from
note C to G value 05 (sometimes 04 if the song is a slow) when the
destination note is higher, I use as value 08-15 (as higher the
destination note the higher the command value) This is found by using
Med for it's most powerful feature: you can have the sample completely
in your hand like it is a real instrument What I mentioned here is the
most important feature, that I did encounter nowhere, except in Med
especially when you know people with a good voice but which can't sing
then you still can use their voice (in a simple "aahh sound") I did that
and the friend in question was surprised and enchanted. Of course you
can apply it for strings and other sounds as well with high values and
high note slides (more then two octaves) you can make controlled "bloppy
sounds"
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