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viernes, 20 de junio de 2008

Function Channel Settings (FUNC) tutorials & help


Function Channel Settings (FUNC)

The Function Channel Settings page is a set of event filters and processors: echo delay, arpeggiator, keyboard tracker, time shifting and a gate. These functions are available for all generators (including third party ones), except the TS404, which has different sound generation approach, so it can not have echoed or arpeggiated note events (you can still have echoes in TS404, see TS404 Channel Settings).

1. Echo Delay Section

This section lets you set up echoes for the channel, but be warned that this is NOT a real delay line. It does not create echoes of the wave output of the channel, but creates echoes of the note events instead. This enables some special effects like pitch shifted echoes, but also requires additional CPU power for each echo generated (because each echo created with this section is a normal note event). If you want to use a standard delay line, use the Fruity Delay effect instead (see Effects).

All options described below are applied additive to each successive echo. For example, if you set the pitch knob to +10 cents, the first echo will have 10 cents higher pitch than the original sound. The second will have 20 cents higher pitch than the original sound etc.

  • Feedback (FEED) - Sets the volume of echoes. If this knob is centered, echoes have the same volume as the original note. Turning it to left creates fading out echoes. Turning it to right increases the volume of each successive echo. Turning this knob to the leftmost point turns echo delay off.
  • Pan (PAN) - Sets the panning of echoes.
  • Cutoff (CUT) - Sets the cutoff value of echoes.
  • Resonance (RES) - Sets the resonance value of echoes.
  • Pitch (PITCH) - Sets the pitch offset of echoes.
  • Time (TIME) - Sets the delay period between echoes in units of beats. This enables you to set a tempo based delay, so echo will follow properly tempo changes in the song.
  • Number of Echoes (# ECH) - Sets the number of echoes generated for each note. It is recommended to keep this number down for lower CPU usage.
  • Ping Pong - If turned on, the pan value will "bounce" when it reaches 100% left or right panning.
  • Fat Mode- This is a special mode of the echo delay effect, which makes subtler echoes with alternating panning - useful for creating flange and chorus-like effects. If this option is turned off, some options of the echo delay unit are reset to their defaults. The reason is that settings that sound fine in fat mode, usually are extremely loud in normal mode.

NOTE: If you click the small arrow at the top left of this panel you can access some presets for this section.

2. Arpeggiator

This section lets you add a real-time non-destructive arpeggio effect to the sequence of an instrument. To use the arpeggiator, select a direction from the icons in the top left corner of this section. The available options are: Off (default; turns off the arpeggiator), Up, Down, Up-Down, Up-Down (twice the lowest and highest notes), Random (selects random notes from the range and chord specified).

The arpeggiator can operate in two modes - classic arpeggiator, that uses any chords present in the channel note data, or it can use a predefined chord template. The mode is selected from the Arpeggio Chord option (see below):

  • Arpeggio Time (TIME) - Select the delay between the successive notes generated by the arpeggiator. Right-click the knob and select Set for some time presets.
  • Arpeggio Gate (GAT) - Gates the arppegio notes, this results in shorter notes and a more staccato sound.
  • Slide (Slide) - Check this option to make the arpeggiator slide between notes. This option will not work with generators that do not support slides.
  • Arpeggio Range (RANGE) - Lets you set the arpeggio range in octaves. The arpeggiated chord is transposed within the specified range to create additional notes for the effect.
  • Arpeggio Chord (CHORD) - Select None if you want the arpeggiator to progress with a step of 12 semitones (1 octave) within the specified octave range. Select Auto or Auto (sustain) to set the arpeggiator in classic mode - it will create arpeggio effects based on any chords contained in the instrument sequence. The rest of the presets are a set predefined chords that will be applied to the instrument sequence (sequence chords will not be arpegiated as in classic mode). Auto (sustain) will not apply arpeggio effect on monophonic sequences (given that the octave range is set to 1)

3. Time

Two filters are available in this section - a gate that "truncates" the note events when they pass a specified limit and a filter that shifts notes' start time.

  • Gate (GAT) - The time interval set with this knob defines the maximum possible length of a note event in the channel - i.e. long notes are truncated to the set length. Look in the hint bar (see Main Panel) to see the length you set in STEPS:TICKS format. To disable the gate effect turn the knob fully clockwise.
  • Time Offset (OFS) - Turn this knob to right to delay notes' triggering with up to 16-th note time period (one step).

4. Velocity/Keyboard Tracker

This section contains the settings of the velocity and keyboard trackers. The keyboard tracker "links" the note number (i.e. note pitch) to the cutoff, resonance and panning properties of the notes. Thus you can set the keyboard tracker, so higher note offsets the cutoff frequency to a higher value, for instance. The velocity tracker works exactly in the same way, but instead of following note's pitch, it uses note's velocity.

  • VOL/KB Switch - Click VOL to set the properties for the velocity tracker and KB to set the properties for the keyboard tracker. Selecting either of the trackers does not deactivate the other one, to turn off a tracker completely, reset its PAN, CUT and RES knobs (right-click a knob and select the Reset command).
  • Middle value (MID) - For both trackers there is a middle value where no offsets are generated. Higher values generate positive offsets for the properties and lower values generate negative ones. For the keyboard tracker, the role of a middle value plays note's pitch (for ex. C5 or B3). For the velocity tracker that is note's velocity.
  • Panning Offset (PAN) - Sets the offset for note's panning. Turning this knob to right means panning to right for notes with higher than the middle value and left panning for those with lower value. Turning the knob to left generates the opposite effect.
  • Cutoff Offset (CUT) - Sets the offset for note's cutoff frequency. Turning this knob to right means higher cutoff frequency for notes with higher than the middle value and lower cutoff frequency for those with lower value. Turning the knob to left generates the opposite effect.
  • Resonance Offset (RES) - Sets the offset for note's resonance. Turning this knob to right means more resonance for notes with higher than the middle value and less resonance for those with lower value. Turning the knob to left generates the opposite effect.

The image below shows how offsets look for the sample settings in the screenshot.

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