User Manual

What TXT sampler does

Play your first sound

1. 1

   Open SAMPLE and choose a pad

   Tap the pad that should receive the sound. The selected pad name appears in the waveform area.

2. 2

   Tap LOAD SAMPLE

   Choose an audio file. It will be loaded into the currently selected pad.

3. 3

   Tap the pad to check the sound

   If the sound plays after loading, the pad is ready.

iPad layout overview

Use a sampler interface that feels like a real machine.

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1. 1
   Project display

   Shows the current project name, help, and settings access.

2. 2
   LCD and waveform area

   Shows waveform, sequence, project information, and mode-specific buttons.

3. 3
   Tone and playback controls

   Use knobs and switches to shape the selected pad.

4. 4
   16 pads

   Select and play samples. The free plan can use the upper 8 pads in Bank A.

5. 5
   Mode buttons

   Switch between SAMPLE, SEQUENCE, and PROJECT.

6. 6
   Transport controls

   Control BPM, TAP, playback, and stop.

iPhone dedicated layout

A portrait-first UI optimized for iPhone operation.

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1. 1
   Top mode buttons

   Switch between the three production modes.

2. 2
   Main LCD

   Shows the primary controls for the selected mode.

3. 3
   Pads

   Select and play samples on a 4 x 4 pad grid.

4. 4
   KNOBS tab

   Adjust pitch and filters in SAMPLE mode. In SEQUENCE mode, it controls effects.

5. 5
   PAD OPTIONS tab

   Control roll, loop playback, reverse playback, and related pad behavior.

6. 6
   TRANSPORT tab

   Open playback and stop controls from the bottom of the screen.

iPhone display modes

You can choose the display mode on first launch and change it later in Settings > Display Settings.

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1. 1
   Waveform display

   Check the sample name and waveform, then set the playback range with START and END.

2. 2
   Sample actions

   Use REC, ADSR, LOAD SAMPLE, DEL SAMPLE, and RESET.

3. 3
   Pad selection

   Select the pad you want to edit first.

4. 4
   CTRL tab

   Adjust pitch, filter, volume, and playback behavior.

Import an audio file

1. Select the destination pad.
2. Tap LOAD SAMPLE.
3. Choose an audio file and confirm that the waveform appears.

Record with the microphone

1. Select the destination pad and tap REC.
2. Allow microphone access the first time you record.
3. Stop recording, then choose “Use this recording” on the confirmation screen.

If the destination pad already has a sound, confirming the recording replaces the existing sample.

Trim the waveform

Move START and END on the waveform to show TRIM. Running TRIM overwrites the sample with the current range.

Shape the sound

Change playback behavior

GATE

Plays only while the pad is held.

LOOP

Repeats the selected playback range.

ROLL

Repeats the sound at the selected roll rate.

CHOKE

Stops sounds in the same group when another sound in that group plays.

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1. 1
   16-step grid

   Tap cells to turn steps on or off.

2. 2
   Bar and Swing controls

   Adjust bar count, Swing, and the selected pad pattern. Use the arrows on the left and right of the grid to move between bars.

3. 3
   Pad selection

   Changing pads switches the grid to that pad’s sequence.

4. 4
   TRANSPORT

   Control playback, stop, realtime recording, and quantize.

Step input

1. Select the pad you want to edit.
2. Tap the 16-step grid to turn on positions where the sound should play.
3. Press play to check the loop.
4. Select another pad and repeat the same process to add more sounds.

Adjust timing

Add bars

BAR+ adds a bar, and BAR- removes the last bar. The free plan is limited to 2 Bars. The Premium plan supports up to 8 Bars.

SEQUENCE effects

In SEQUENCE mode, the four knobs work as DIST., DL. TIME, DL. FBK., and DL. LV.

CLEAR clears the sequence for the selected pad.

Import and export sequence JSON

Tap IMP EXP to choose IMPORT JSON or EXPORT JSON. You can import or export the sequence BPM, Swing, step data, and SAMPLE parameters as JSON.

IMPORT JSON overwrites the current project sequence and SAMPLE parameters. Audio files are not included.

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1. 1
   Project information

   Shows sample count, missing files, and data size.

2. 2
   Management buttons

   Use NEW, COPY, DELETE, and EXPORT WAV.

3. 3
   Pads

   Pressing a pad in PROJECT moves to SAMPLE and plays that sound.

4. 4
   TRANSPORT

   Play or stop the saved pattern.

Manage projects

A project stores samples, pad settings, sequences, BPM, and related work data.

Export WAV

1. Tap EXPORT WAV.
2. Choose whether to include effects.
3. Choose the loop count from 1 to 32.
4. Tap “Export WAV,” then choose a share or save destination.

WAV export is a Premium feature.

The Premium plan is a one-time purchase. Check the App Store purchase screen for the current price. After reinstalling or changing devices, use Settings > About > Restore Purchases.

1 2

1. 1
   Premium plan

   Shows purchase information and Restore Purchases.

2. 2
   Legal information

   Opens Terms of Use, EULA, and Privacy Policy.

Terms of Use

The terms define app usage conditions, prohibited actions, disclaimers, and Premium plan information.

Privacy Policy

Recorded audio, imported samples, and project data are stored in the app’s local container and are not sent outside the device without user action. When sharing or exporting, the user chooses the destination.

The linked Terms of Use and Privacy Policy pages are currently provided in Japanese.

Sample import

Microphone recording

Pads and sequence

Save and export