Documentation Index
Fetch the complete documentation index at: https://docs.sampler.meiji.industries/llms.txt
Use this file to discover all available pages before exploring further.
Mixing in Meiji Sampler
This guide focuses on practical mixing decisions inside Meiji Sampler.The creative opportunities when mixing in Meiji Sampler are endless.Experiment with wild combinations of these settings to shape entirely new and exciting sounds.You don’t need access to expensive and iconic vintage hardware to unlock these sounds anymore!
What the mixer controls
Per-channel shaping can include:- gain
- saturation
- pan
- width
- pitch
- reverb
- sync / timestretch
- ducking / sidechain
- stem selection
- playback offset
- linked pad trigger
- choke group
- S950 HPF
- S950 LPF
- SP1200 filter
- SP1200 45 RPM
- ASR-10 Boost
Playback offset
Offset delays a channel’s pad or chop playback by adding virtual silence before the sound starts. It is set in Channel Detail under Offset, ranges from+0ms to +100ms, and moves in 1ms steps.
Use Offset when:
- a clap should sit a few milliseconds behind a snare
- a shaker or percussion layer should lean back without moving the recorded loop event
- a chopped hit starts too early and needs a tiny push later
- two layered sounds need a flam instead of a perfectly stacked transient
Small Offset values can add swing and humanize a rigid pattern. Try leaving the kick at
+0ms, setting a snare layer around +8ms, and pushing a shaker to +18ms so the groove breathes without changing the loop grid.- Kick on channel 1 at
+0ms, linked sub on channel 2 at+0ms: both hit together. - Snare on channel 3 at
+0ms, linked clap on channel 4 at+12ms: the clap lands slightly late for a wider backbeat. - Closed hat on channel 5 at
+0ms, linked shaker on channel 6 at+20ms: the shaker drags behind the hat while the recorded event stays on the grid.
Linked pad triggers
A channel can link a secondary pad so that both fire from one trigger. When you trigger the source pad live or from a loop, the linked pad plays too, but only the source pad’s events are recorded into loops. Use linked pads when:- a kick should always layer with a sub-bass hit
- a snare should trigger a ghost layer or clap simultaneously
- you want consistent layered textures without recording duplicate events
Enter on a pad) under the Link control. Cycle through Left and Right to choose the target channel. The target must have a sample assigned.
Each side keeps its own channel settings. For timing, that means the source pad’s Offset delays the source sound and the linked pad’s Offset delays the linked sound.
Choke groups
Channels in the same choke group cut each other off — triggering one stops any others in the group that are currently playing. There are 10 groups available. Use choke groups when:- open and closed hi-hats should not overlap
- only one percussion variation should sound at a time
- you want exclusive pad behavior across channels
Left and Right to assign a group (Off, Group 1 through Group 10). Choke groups are always visible even without a file assigned.
SP1200 Filter
In 1987, E-mu Systems released the SP-1200 as a budget sampling drum machine. It could only sample at 26 kHz in 12-bit, with ten seconds total across all pads. Those were real limitations, not design choices.But something unexpected happened. The 12-bit quantization added a grainy, crunchy texture to every sound. The 26 kHz sample rate created shimmering aliasing artifacts that producers started calling “stardust.” The analog output stages warmed everything with a subtle harmonic glow. Drums hit different.Marley Marl figured this out first. Then DJ Premier made it the backbone of Gang Starr’s production. Pete Rock used it to craft the pillowy, head-nodding textures on Mecca and the Soul Brother. J Dilla ran his MPC samples back through the SP-1200 just to get that color. By the mid-90s, the SP-1200 had gone from budget compromise to the defining sound of golden-age hip-hop.E-mu stopped manufacturing it in 1998. Prices skyrocketed. Producers hoarded them. The 12-bit crunch remains one of the most sought-after textures in beat production to this day.The real SP-1200 had eight individual outputs, each with different analog characteristics. Channels 1 and 2 used an SSM2044 4-pole ladder filter with a dynamic cutoff envelope, letting the transient snap through before sweeping down to mask aliasing on the decay. Channels 3 and 4 used a darker active low-pass network for kick and bass material. Channels 5 and 6 used a gentler active low-pass network that preserved more air and presence. Channels 7 and 8 were essentially unfiltered, delivering the raw SP-1200 character. Producers routed sounds to specific outputs to get the color they wanted.Meiji Sampler recreates all four output styles, so you can choose the right SP-1200 character for each channel.
Unfiltered (7 & 8 Style)
The raw SP-1200 sound with no output filter:- 11.07 kHz input anti-alias filter: trims the source before it hits the converter stages
- Tape saturation: Jiles-Atherton hysteresis model adding harmonic warmth
- 12-bit quantization: reduces audio to 4,096 discrete levels
- 26.04 kHz DAC and sample-and-hold stage: creates the imaging band and switching grit
Filtered (1 & 2 Style, SSM2044 dynamic VCF)
Models the Channels 1 and 2 output circuit from the original hardware:- SSM2044 ladder filter: 4-pole (24 dB/oct) voltage-controlled filter with resonant “squelchy” character. An 8-bit-stepped cutoff envelope opens to roughly 11.5 kHz on the attack (~5 ms), then decays toward roughly 800 Hz. A small amount of upper-band bleed remains around the ladder so the imaging band never disappears entirely.
- Input anti-alias filter: same 11.07 kHz front-end low-pass
- Tape saturation: Jiles-Atherton hysteresis model adding harmonic warmth
- 12-bit quantization: reduces audio to 4,096 discrete levels
- 26.04 kHz DAC and sample-and-hold stage: same imaging source
Filtered (3 & 4 Style, fixed LPF)
Models the Channels 3 and 4 output circuit:- Fixed low-pass filter: active multi-pole low-pass around 9 kHz with no envelope. Rolls off highs aggressively.
- Input anti-alias filter: same 11.07 kHz front-end low-pass
- Tape saturation: same hysteresis model
- 12-bit quantization: same 4,096 discrete levels
- 26.04 kHz DAC and sample-and-hold stage: same imaging source
Filtered (5 & 6 Style, gentle fixed LPF)
Models the Channels 5 and 6 output circuit:- Fixed low-pass filter: gentle active low-pass in the upper treble with no envelope. It trims the sharpest edge while preserving presence and air.
- Input anti-alias filter: same 11.07 kHz front-end low-pass
- Tape saturation: same hysteresis model
- 12-bit quantization: same 4,096 discrete levels
- 26.04 kHz DAC and sample-and-hold stage: same imaging source
Signal chain position
The full per-channel signal chain is: Gain → Sat → ASR-10 Boost → Duck → Pan → Width → Pitch → SP1200 → RPM45 pitch-down → HPF → LPF → Reverb SP1200 sits after pitch, so pitch shifting changes the frequency content before it hits the SP-1200 emulation — matching the real hardware, where the playback clock rate fed directly into the DAC and output filter. The SP1200 45 RPM mode pitch-down step sits between SP1200 and the filters, so the aliasing artifacts are baked in before any further filtering. Set SP1200 Filter in Channel Detail (Enter on a pad) under the Character section. Cycle through options with Left/Right.
Use SP1200 Filter when:
- you want the raw SP-1200 crunch without output filtering (7 & 8)
- snares and hats need the transient snap of the SSM2044 envelope (1 & 2)
- kicks and bass need the aggressive high-cut of the fixed output (3 & 4)
- pads and melodic content need a gentle top-end roll-off that preserves air (5 & 6)
- you want that crunchy, 12-bit texture with the right analog filter character
Working with the filters
The HPF and LPF are 6th-order Butterworth filters modeled on the Akai S950’s MF6-50 hardware. They roll off at 36 dB per octave, steep enough to carve decisively without multiple passes. A few practical patterns:- HPF on everything except the kick and bass. Even a gentle bump to 60-80 Hz cleans low-end mud and makes the bottom of the mix clearer.
- LPF for lo-fi character. Sweep the LPF down to around 3-5 kHz to push a sample behind the rest of the mix, mimicking the muffled tone of a vinyl chop or tape dub.
- Filter as a performance tool. The cutoff is smoothed so it sweeps cleanly. Use it to build tension before a drop or to fade a channel in and out of the mix in real time.
ASR-10 Boost
ASR-10 Boost adds vintage Ensoniq ASR-10 character to a channel at three intensity levels: Lo (+4 dB, subtle warmth), Mid (+8 dB, classic ASR-10 feel), and Hi (+12 dB, aggressive original hardware level). Each level runs through the same chain: tape-style saturation, soft-knee limiting, and an 18 kHz analog output filter. NOTE: The original ASR-10 hardware’s BOOST: ON mode matches the Meiji Sampler Hi setting. Use ASR-10 Boost when:- drums need more weight and presence
- bass needs warmth without distortion artifacts
- a channel needs to sit forward in the mix with analog density
- you want quick character without dialing in individual parameters
Enter on a pad) under the ASR-10 Boost control in the Tone section. Press Left/Right to move between Off → Lo → Mid → Hi.
SP1200 45 RPM mode
SP1200 45 RPM mode emulates the classic producer technique of playing a 33rpm record at 45rpm before sampling — pitching it up to get extra brightness and aliasing character, then pitching back down in the mix. Technically: when SP1200 45 RPM mode is enabled, the sample is pitched up +8 semitones before hitting the SP-1200 DSP chain. The SP-1200 emulation (12-bit quantization, 26.04 kHz rate reduction) then processes the elevated-pitch signal, baking the aliasing artifacts in at that higher frequency. A compensating pitch-down is applied after SP1200 to restore the intended pitch, but the aliasing character from the elevated-pitch pass remains. SP1200 45 RPM mode is on by default. Turn it off if you want clean SP-1200 character without the extra pitch-derived aliasing texture. Toggle in Channel Detail under the Character section. Only meaningful when SP-1200 Filter is also active.Sync & Timestretch
Sync timestretches a sample to fill a chosen number of session clock cycles. It keeps the sample in rhythmic lock with the session even if the original file’s length doesn’t match. Available multipliers: Off, 1/16, 1/8, 1/4, 1/2, 1×, 2×, 4×, 8×, 16×. Sync is only available when loop mode is enabled for the channel. Set it in Channel Detail under the Sync control. Use sync when:- a sample or loop needs to stay locked to session tempo
- you want a sample to stretch across a specific number of bars
- you’re building scenes and need rhythmic consistency across channels
Stem selection
Stem selection isolates a part of a sample using ML-based source separation. Instead of playing the full mix, you can play just one component. Available stems:| Stem | Content |
|---|---|
| All | Full mix (default) |
| Vocals | Isolated vocals |
| Drums | Isolated drums |
| Bass | Isolated bass |
| Other | Everything except vocals, drums, and bass |
| No Vocals | Karaoke/instrumental — drums + bass + other |
| No Drums | Vocals + bass + other |
| No Bass | Vocals + drums + other |
| Drums+Bass | Rhythm section only |
Good order of operations
- set gain
- carve obvious frequency clashes with filters
- pan for separation
- add saturation or reverb only if the part needs character or depth
- enable ASR-10 Boost on channels that need vintage warmth and density
- use ducking when two parts compete rhythmically