Sampler and auto-sampler

The sampler

One take to the card, from: in testing

Source
IN L/R	the Rytm’s AUDIO IN, stereo
MAIN	the Rytm’s main mix (resampling everything, the Sidecar’s voices and send FX included)
A Rytm voice	BD SD RS/CP BT LT MT/HT CH/OH CY/CB, mono
A Sidecar voice	as rendered, mono

• Start: now, a threshold (dBFS), the Rytm’s PLAY, or its next bar. A pre-roll of up to 1 s is kept from before the start.
• Length: free (until stop; at most 120 s), or N bars cut exactly at the Rytm’s clock.
• Processing: free takes are trimmed and normalised to -1 dBFS; 24-bit 48 kHz WAV.
• Slices: by transients or a grid of N, written as an .sfz slice map next to the WAV.
• Files: /Samples/<project>/<name>.wav (and the slices).
• Into the pool: the take goes into the project’s SAMPLES POOL, the first free row of the bank last shown (bank A by default, else the next bank with room); the page says TAKE -> A012. GRANULAR and CHOP can pick it from there (DSP SAMPLE after the next boot). Its slice map goes into INSTRUMENTS the same way, for MULTISAMPLE.

On the Rytm: the remote page SAMPLE, next to SCOPE (UP + T7 opens it). A source, B start, C bars, D slices; YES arms, records and stops; A pushed cancels. The page shows the level, the take’s time, the last take and the tempo.

On the web page: Record tab, Sample.

The auto-sampler

Plays notes, records them, trims, finds loops and writes a MULTISAMPLE instrument (/MULTISAMPLE/<name>/<name>.sfz and its WAVs). It goes into the project’s INSTRUMENTS pool by itself, ready for INST. in testing

SRC	Plays	Records
6-OP FM	a DX7 voice (PATCH)	rendered offline, faster than real time: you hear nothing (the page says OFFLINE)
JUNO	a JUNO patch	offline, as above
VOICE	a copy of what Sidecar voice 1..8 plays now	offline, as above
TRK	one of the Rytm’s 12 tracks, by a note on its MIDI channel	the track’s Overbridge stem, in real time
EXT	an external synth: MIDI notes on USB (the computer on the Sidecar’s USB-C), DEV (a USB MIDI device on the Pi’s USB-A) or RYTM (the Rytm’s USB MIDI), channel 1..16	the Rytm’s AUDIO IN L, R or L+R, in real time

• Plan: notes LO..HI every STEP semitones, velocity layers (1..8), round robins (1..4), the hold time, the release tail, the gap.
• One gain for the whole instrument (velocity layers keep their relation), zones split between the sampled notes, loops found on sustained sounds, silent takes left out.
• On the Rytm: the remote page AUTO (UP + T7 twice): A SRC, B the entry (PATCH, VOICE, TRACK or the MIDI output and channel; push B for EXT’s input L+R / L / R), C LO, D HI, E STEP, F LAYER, G RR, H HOLD. YES starts; A pushed cancels after the current note. The bottom bar shows the progress (C4 v100 3/24).
• On the web page: Record tab, Auto-sampler.

Screenshots: rendered off-device by the Sidecar’s own page code.

Limitations

• Sidecar (Pi) only.
• EXT on USB needs the Sidecar’s USB-C MIDI to the computer, which only the Pi 4 has for now; your DAW routes the notes to the synth. On a Pi 5 use DEV.
• EXT on RYTM reaches a synth only if the Rytm passes USB MIDI on to its MIDI OUT; not confirmed.
• TRK: RS/CP, MT/HT, CH/OH and CY/CB share one stem each.
• DSP SAMPLE sees a new take only after the next boot.
• No touch slicing page yet.