Frequent CHOP Parameters
Align - This menu handles cases where multiple input CHOPs have different start or end times. All channels output from a CHOP share the same start/end interval, so the inputs must be treated with the Align Options:
- Auto - It will trim to the current [[Time Slice] if there are any Time Slices, else it will do an Extend Min/Max.
- Extend to Min/Max - Find the earliest start and latest end, and extend all inputs to that range using the extend conditions. (see Extend Conditions).
- Stretch to Min/Max - Find the earliest start and latest end, and stretch every channel's start and end to that range.
- Shift to Minimum - Find the earliest start and shift all channels so they all start at that index. All channels are extended to the length of the longest one.
- Shift to Maximum - Find the latest end and shift all channels so they all end at that index. Extend all channels to the length of the longest one.
- Shift to First Interval - Shift all channels to the start of the first CHOP and sample all inputs using the first input's range.
- Trim to First Interval - Trim all channels to first CHOP's range.
- Stretch to First Interval - Stretch all channels to the first CHOP's range.
- Trim to Smallest Interval - Trim all channels to the smallest start/end interval. The start and end values may not come from the same channel.
- Stretch to Smallest Interval - Stretch all channels to the smallest start/end interval. The start and end values may not come from the same channel.
Effect Range - You may not want to affect the whole interval of a CHOP. You may want the CHOP to have its effect over a limited index range. To allow this, there are four sub-range values (Start, Peak, Release, End). Before the Start and after the End, there is no effect. The effect ramps up (half-cosine) from the Start to the Peak, holds at its maximum value from Peak to the Release, and then ramps down from Release to the End. The Effect parameter (0 to 1, default 1) can scale back the overall effect.
Interpolation Method - Determines how to interpolate a CHOP when resampled, as in the Resample CHOP.
- No Interpolation - Takes the nearest input sample.
- Linear - Uses two closest values to determine inbetween values.
- Cubic - Uses the four closest values to determine in-between values.
- Pulse - Preserve if the input has single-frame pulses, create single-frame pulses in output, no matter what the output sample rate is.
Match By - When two or more CHOPs need their channels to be matched up, you need to decide how to match them. The matching can be done on the basis of the Channel Number, Channel Name or Channel Union:
- Channel Number - The channel names are ignored and the channels are matched by the order they appear in the CHOP. In general, if the number of channels don't match up, the CHOPs with fewer channels are recycled.
- Channel Name - The channels names in the first input are used in the output. They are modified only by the channels in the second input that match channels in the first.
- Channel Union - The channels names in the first input + any new names in the second (and more) input are used in the output.
If matching by Channel Number and one of the two or more inputs runs out of channels, it recycles the exhausted input. In this way you can have 60 channels of X, Y and Z channels, and three channels of X, Y and Z, and if you add the two inputs, it will recycle the three X, Y, Z channels 20 times.
Remainder Options - These options affect cases when the output is normally the same interval length as one of the inputs, but due to the CHOP effect, there may be extra samples remaining at the end, such as extra echoes of audio. This parameter determines what to do with what remains at end of the interval.
- Discard Remainder Output - interval = input interval. Discard the remains.
- Make Output Longer - Make the output longer if the effect is unfinished at the end of the input interval.
- Mix Remainder to Beginning - Add remaining samples to the samples at the start. This doesn't make the output longer. It adds the remaining samples at the end to the samples at the beginning. This is good for making audio cyclic.