DISC
Sample playback device with audio streaming directly from disk
Material Device
Material DeviceDISC is a sample playback device that streams audio directly from disk, enabling playback of long-form audio files. Ideal for full-length stems, field recordings, or long loops, DISC is only limited by available storage space. With familiar controls for pitch, start, length, and amplitude, it offers intuitive handling of audio files while maintaining precise timing and integration within the device chain.
Parameters
SPEED Speed of the audio playback. Increments are in octaves. If the value of the parameter is changed, the playhead will jump in time so playback will remain in sync.
PITCH 
Sets the pitch of the sample. Will not affect tempo.
SPEED
Speed of the audio playback.
TEMPO
Adjust the sample tempo BPM. Synchronised to the master tempo.
START
Adjust the start position the playhead. Quantisation grid is set with the paramater mode.
LENGTH
Adjust the length of the loop region. Quantisation grid is set with the paramater mode.
OFFSET Shift the audio sample position by +- 2 seconds.
XFADE Applies a cross fade at the loop end/start crossover point.
GLIDE Increase to apply slew to PITCH and SPEED changes. Not available in SYNC mode for TEMPO.
LEVEL Adjust the amplitude of the sample.
SOS Sets the amount of audio fed back from the disc player into a new recording.
DENSITY Controls grain rate and size of the playback. Use while playhead is in FREEZE or in STRETCH or FREE modes for TEMPO for different granular effects.
Actions
LOAD Open the Sample Browser for loading a sample into DISC.
When a sample is loaded, a waveform will dynamically be generated. If the S4 is playing, up to 30 seconds of the waveform will be generated. The generation of the waveform will continue when the S4 is not playing.
FREEZE A toggle for freezing the playhead at its current position.
REVERSE A toggle for reversing playback.
RECORD Start and stop recording in DISC.
SAVE Saves the current sample to the internal storage.
TRIM Trims the current sample at the START and LENGTH points.
LOOP Toggles the looping behavior of playback. When LOOP is enabled (default), the loaded audio will repeat if the LENGTH parameter exceeds the duration of the original sample. When LOOP is disabled and LENGTH goes beyond the sample’s length, the excess portion will play back as silence.
MONITOR Enables monitor. See Monitor Settings for more details.
TEMPO modes
Unique for DISC is the option to choose between different TEMPO modes. These modes will adjust the behaviour of how DISC will playback samples and how the SPEED/PITCH parameter works. These modes are accessed through Parameter Modes on the TEMPO parameter.
SYNC
This mode ensures the loaded sample is always in sync with the Global Tempo. This is the default mode of TEMPO. SPEED can be adjusted in octaves and if adjusted the playhead will jump in time so playback will remain in sync.
STRETCH
This mode will keep the pitch and stretch the sample to the Global Tempo. PITCH can be adjusted in Scales (via Parameter Modes) and does not affect the speed of the sample.
FREE
This mode will set sample playback completely free, decoupled from the Global Tempo. SPEED can be adjusted in Scales (via Parameter Modes) and affects both the pitch and speed of the sample.
Recording in DISC
DISC allows for recording into a new file on the internal storage. The recorded audio is a mix of track input and the sample played in DISC, controlled by SOS parameter. When a recording has ended, either by tapping RECORD while recording, or when the local storage is full, DISC starts playback of the recorded file automatically.
Long samples in DISC can in some cases give clicks and pops. Here’s a few tips on how to minimize the issue:
Convert to 48kHz 16-bit .wav-file for best performance
Only use long samples on a single track
Prefer internal storage from external USB drives
Set XFADE to zero
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