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MID2BAR-Player

Python Version Code style GitHub Release Downloads English 日本語

👉 日本語版 READMEはこちら(README_ja.md)

MID2BAR-Player

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A standalone karaoke player that generates karaoke subtitle videos with pitch guide bar using ruby-annotated LRC lyric files, melody MIDI data, and background videos.

  • IMPORTANT: This software is designed primarily for generating subtitles for Japanese lyrics and English lyrics with Japanese ruby annotations. Subtitles for other languages may not work as intended and could result in unexpected bugs or issues.

  • You may upload videos created with this repository (including modified code or the prebuilt packages) to video-sharing sites; please credit the software as MID2BAR-Player. The author assumes no responsibility for issues arising from uploading created videos.

Overview

  • MID2BAR-Player: A standalone player that visualizes karaoke by combining melody MIDI data, LRC lyrics (with ruby/furigana support), and optional background video/audio.
  • Main features: Synced display of melody MIDI files (with measure/page markers) and lyrics, visual effects (note bars, glow, particles), real-time microphone input scoring (this is FFT-based pitch matching only — not equivalent to commercial karaoke scoring; use for reference), video overlay, and recording (export) functionality.

Supported Platforms

  • OS: Windows / macOS* / Linux*

    • If the pitch-bar page transition causes screen flicker, set FADE_TIME to 0.0 in app_settings/settings.json.

  • External software: ffmpeg (required for screen recording). Put ffmpeg.exe and ffprobe.exe in a folder on your PATH or place them in the same folder as this application.

Quick tutorial using the sample project (example: Windows prebuilt package)

  1. Launch MID2BAR-Player.exe.

  2. From the menu File > Open Project, load sample/sample_project.json. This will set up the sample music with these assets:

    • Audio file (e.g., WAV / MP3)
    • MIDI file (.mid)
    • Lyrics file (LRC, extended ruby format)
    • Background video (optional)

  3. Click Apply Settings and Prepare Playback at the bottom of the window. The player will start preparing the karaoke subtitle video. When loading finishes, initial processing like lyric preview generation runs (status messages appear during generation).

  4. When preparation is complete, press the Space key to start playback.

Usage (from source)

  1. Create a Python virtual environment for MID2BAR-Player:
PS> git clone https://github.com/keisuke-okb/mid2bar-player
PS> cd mid2bar-player
PS> python -m venv venv
PS> .\venv\Scripts\Activate.ps1
(venv) PS> pip install -r requirements.txt
  1. Run the player with:
python main_gui.py

This launches the player with the same configuration flow as the prebuilt package.

  1. You can also call MID2BAR-Player from other Python programs; see main.py as a reference.

How to create a karaoke video from your own assets

1. Create an LRC lyric file with ruby/furigana

Use a sample LRC or a tool such as RhythmicaLyrics to create an extended ruby-format LRC file. If you wrap tokens like “①”, “②” with time tags, the software recognizes them as part switches (part markers). Icons and colors used for part markers can be changed in the lyrics settings file (default: lyrics_settings/settings_default.json).

  • sample/【音楽：魔王魂】シャイニングスター（ショート）.lrc: normal lyrics file
  • 【音楽：魔王魂】シャイニングスター（ショート）_パート字幕.lrc: part-separated subtitle example (for notation reference; not necessarily matching the original song)

The player recognizes blank lines as lyric block separators. For example, the first two lines below are treated as a single block:

[00:09:65]た[00:09:83]だ[00:10:39]風[00:10:39]([00:10:39]かぜ[00:11:17])[00:11:17]に[00:11:37]揺[00:11:37]([00:11:37]ゆ[00:11:54])[00:11:54]ら[00:11:71]れ[00:11:90]て[00:12:48]
[00:12:66]何[00:12:66]([00:12:66]なに[00:13:02])[00:13:02]も[00:13:19]考[00:13:19]([00:13:19]かんが[00:14:19])[00:14:19]え[00:14:57]ず[00:14:75]に[00:15:48]

Three consecutive lines without blank lines are treated as a single block:

[00:35:29]シャ[00:35:45]イ[00:35:61]ニ[00:35:76]ン[00:35:94]グ[00:36:09]ス[00:36:24]ター[00:36:58]綴[00:36:58]([00:36:58]つづ[00:37:30])[00:37:30]れ[00:37:49]ば[00:37:94]
[00:38:10]夢[00:38:10]([00:38:10]ゆめ[00:38:46])[00:38:46]に[00:38:66]眠[00:38:66]([00:38:66]ねむ[00:39:22])[00:39:22]る[00:39:64]幻[00:39:64]([00:39:64]まぼろし[00:40:77])[00:40:77]が[00:41:00][00:41:38]掌[00:41:38]([00:41:38]てのひら[00:42:29])[00:42:29]に[00:42:67]降[00:42:67]([00:42:67]ふ[00:43:04])[00:43:04]り[00:43:41]注[00:43:41]([00:43:41]そそ[00:43:96])[00:43:96]ぐ[00:44:44]
[00:44:56]新[00:44:56]([00:44:56]あら[00:44:91])[00:44:91]た[00:45:29]な[00:45:66]世[00:45:66]([00:45:66]せ[00:46:07])[00:46:07]界[00:46:07]([00:46:07]かい[00:46:63])[00:46:63]へ[00:47:19]

2. Insert page/measure markers for pitch-bar display in the melody MIDI

  • The player recognizes MIDI “markers” as page/section boundaries for the pitch-bar display.
  • Insert markers using any MIDI editor or use the bundled MIDI Marker Editor.exe.

Steps with MIDI Marker Editor.exe:

  1. Launch MIDI Marker Editor.exe and use File > Open MIDI... to load the melody MIDI line you want to display. To avoid misbehavior, set the main melody’s MIDI channel to 0.
  2. Select the reference audio under File > Set reference audio..., press play, and verify the audio plays and the playback position moves.
  3. Double-click where you want the start/end boundaries for the pitch-bar display to insert markers.
  4. Save the MIDI with markers via File > Save MIDI with markers....
  5. In MID2BAR-Player, point to the MIDI file you saved with markers.

3. (Optional) Prepare images and setting files

You can customize images and various settings used by the player:

  • Splash image: shown across the player at the start of playback
  • Title logo: centered at the start (intended for song title)
  • Audio source: MP3 or other music file to play in the player
  • Karaoke subtitle generation settings: detailed subtitle generation options (default: lyrics_settings/settings_default.json)
  • Player general settings: overall MID2BAR-Player settings (default: app_settings/settings.json)
  • Image/assets settings: image assets list used by MID2BAR-Player (default: app_settings/assets.json)

Basic controls (keyboard & mouse)

  • Space: Play / Pause
  • R: Restart (play from beginning)
  • A: Toggle Bar Auto Play (automatic bar progression)
  • M: Toggle microphone input (real-time scoring)
  • F11: Toggle fullscreen
  • Up / Down: Volume up / down
  • Esc: Exit
  • Left mouse click: Open menus / seek playback position (on the seek bar)

Recording (video export)

  • The player can export video (MP4) using ffmpeg.
  • If recording is enabled at startup, the player will combine the current video and audio into an output file while playing.
  • Please avoid interacting with the screen while recording.

Troubleshooting

  • No sound: Check system volume, the audio device used by Pygame, and file format compatibility.
  • Microphone not responding: Ensure the microphone is enabled in the OS and the application has permission to use it.

Microphone input and real-time scoring (reference-only feature)

  • Enable microphone input in settings or toggle it during playback with M. The player analyzes your singing using FFT-based pitch detection and computes pitch-match and pitch-accuracy scores per page.
  • Click the screen to open the menu and see real-time scoring.
  • Microphone thresholds and delay compensation settings are adjustable in app_settings/settings.json.

License

  • Files in this repository are governed by the repository LICENSE, unless a file explicitly states a different license.
  • Sample music under sample/ is copyrighted by 森田交一 (魔王魂).
  • You may upload videos created with this repository (including modified code or the prebuilt packages) to video-sharing sites; please credit the software as MID2BAR-Player. The author assumes no responsibility for issues arising from uploading created videos.

Configuration reference

Player general settings: app_settings/settings.json

Screen & window settings

Key Default Description
SCREEN_WIDTH 1920 Width of the rendering area (px)
SCREEN_HEIGHT 1080 Height of the rendering area (px)
WINDOW_WIDTH 1920 Initial window width (px)
WINDOW_HEIGHT 1080 Initial window height (px)
FULL_SCREEN false Start in fullscreen mode
SCREEN_FPS 60 Frame rate (FPS)
MENU_H 300 Menu bar height (px)
WINDOW_BACKGROUND_COLOR [10, 10, 10] Window background color (RGB)

UI & fonts

Key Default Description
UI_LANG "ja" UI language ("ja": Japanese, "en": English)
UI_FONT "./fonts/NotoSansJP-Medium.ttf" Path to UI font file
BAR_COUNT_FONT "./fonts/NotoSansJP-Black.ttf" Font path for bar count display
BAR_COUNT_FONT_SIZE 30 Font size for bar count

Playback settings

Key Default Description
PLAYBACK_TIME_SCALE 1.001 Playback speed correction (1.0 = normal). Used to correct drift between audio and subtitles/pitch bars. (Ignored when recording.)
DEFAULT_VOLUME 80 Initial volume (0–100)
DISPLAY_TITLE_DURATION 2.0 Title screen display time (seconds)

Color settings

Key Default Description
BG_COLOR [20, 20, 40] Background color (RGB)
VIDEO_ALPHA 210 Background video opacity (0–255)
LINE_COLOR [100, 100, 100, 200] Guideline color (RGBA)
NOTE_COLOR [100, 100, 100] Note color (RGB)
CURRENT_POS_COLOR [255, 50, 50] Current position indicator color (RGB)
PASSED_NOTE_COLOR [255, 200, 100] Color for passed notes (RGB)
TEXT_COLOR [255, 255, 255] Text color (RGB)

Splash screen settings

Key Default Description
SPLASH_TEXT_X_OFFSET -50 X offset for splash text
SPLASH_TEXT_Y_OFFSET -50 Y offset for splash text
SPLASH_TEXT_LINE_HEIGHT 80 Line height for splash text

Bar display area settings

Key Default Description
BAR_AREA_TOP 50 Top position of the bar display area (px)
BAR_AREA_HEIGHT 250 Height of the bar display area (px)
BAR_AREA_LEFT 100 Left position of the bar display area (px)
BAR_AREA_WIDTH 1720 Width of the bar display area (px)
DISPLAY_PITCH_RANGE_MIN 23 Minimum pitch range to display (semitones)

Now bar (current position) settings

Key Default Description
NOW_BAR_TOP 34 Top position of the now bar (px)
NOW_BAR_WIDTH 200 Width of the now bar (px)
NOW_BAR_HEIGHT 286 Height of the now bar (px)
HIDE_NOW_BAR_WHEN_NO_NOTES true Hide the now bar when there are no notes

Bar auto-play settings

Key Default Description
BAR_AUTO_PLAY true Enable bar auto-play mode
BAR_AUTO_PLAY_CHANNELS [0, 1, 2] MIDI channels targeted for auto-play
BAR_PASSED_ROUGHNESS 10 Roughness (smoothness) of bar fill

Effects & animation

Key Default Description
BAR_PASSED_PARTICLE_RAND 0.7 Particle spawn probability (0.0–1.0)
BAR_PASSED_COUNT_ANIMATION_TIME 0.8 Count animation time (seconds)
BAR_PASSED_COUNT_ANIMATION_CURVE_STRENGTH -0.1 Curve strength for count animation
BAR_PASSED_COUNT_ANIMATION_ACCEL 3.0 Acceleration for count animation
BAR_PASSED_COUNT_ICON_SIZE 40 Count icon size (px)
BAR_PASSED_COUNT_ICON_MARGIN 10 Count icon margin (px)
BAR_GLOW_DURATION 0.3 Duration of bar glow effect (seconds)
BAR_GLOW_SCALE 3.0 Scale factor during bar glow

Count display

Key Default Description
BAR_PASSED_COUNT_ANIMATION_DICT {...} Animation settings per note type (position & color)
BAR_COUNT_DICT {...} Count display settings per note type (position & color)

Note types used in BAR_PASSED_COUNT_ANIMATION_DICT / BAR_COUNT_DICT

  • normal: regular note
  • max: highest note
  • min: lowest note
  • up: rapidly rising note
  • down: rapidly falling note
  • long: long note

Range gauge

Key Default Description
RANGE_GAUGE_POS [1480, 354] Position of the range gauge [x, y]
RANGE_GAUGE_W 390 Range gauge width (px)
RANGE_GAUGE_H 23 Range gauge height (px)

Timing

Key Default Description
PREVIEW_TIME 2.0 Bar preview time (seconds)
REMAIN_TIME 3.0 Bar remain time (seconds)
FADE_TIME 0.5 Fade in/out time (seconds)
LAG_TIME 0.3 Display lag time (seconds)

Seek bar

Key Default Description
SEEKBAR_TOP 850 Top position of the seek bar (px)
SEEKBAR_LEFT 100 Left position of the seek bar (px)
SEEKBAR_WIDTH 1720 Seek bar width (px)
SEEKBAR_HEIGHT 10 Seek bar height (px)

Scoring

Key Default Description
PITCH_MATCH_SCORE_RATIO 0.3 Weight for pitch-match score
PITCH_ACCURACY_SCORE_RATIO 0.7 Weight for pitch-accuracy score

Microphone input

Key Default Description
RMS_THRESHOLD 0.02 Microphone RMS threshold
MIC_INPUT_DURATION 0.0 Microphone input duration (seconds)
MIC_INPUT_DELAY 0.17 Delay compensation for mic input (seconds)
MIC_INPUT_OFFSET 0.2 Microphone input offset (seconds)
MIC_INPUT_PITCH_TOLERANCE 0.8 Pitch tolerance (semitones)
MIC_INPUT_NOTE_CONNECT_DURATION 0.1 Max time gap to connect detected notes (seconds)
MIC_INPUT_MARGIN 0.01 Mic input margin time (seconds)

Audio

Key Default Description
DEFAULT_SAMPLE_RATE 44100 Default sample rate (Hz) — verify your microphone device sample rate
DEFAULT_BLOCK_SIZE 4096 Audio block size (samples)
DEFAULT_CHANNELS 1 Default channels (1: mono, 2: stereo)
NOTE_NAMES ["C", "C#", ...] Array of note names

Screen recording & encoding

Key Default Description
AUDIO_CODEC "aac" Audio codec
AUDIO_BPS "320k" Audio bitrate
VIDEO_CODEC "libx264" Video codec (for GPU encoding, change to h264_nvenc, etc.)
VIDEO_BPS "10M" Video bitrate

Notes & cautions

  • Coordinates and sizes are relative to SCREEN_WIDTH and SCREEN_HEIGHT.
  • Colors are [R, G, B] or [R, G, B, A], 0–255.
  • Timing values are in seconds.
  • Microphone settings may require tuning depending on environment and microphone quality.

Image assets: app_settings/assets.json

Overview

assets.json defines image asset paths used by MID2BAR-Player.

Basic UI images

Key Example path Description
project_front "images/ui/project_front.png" Project front UI image (foreground layer)
project_back "images/ui/project_back.png" Project background UI image (background layer)
now_bar "images/ui/now_bar.png" Image for the current position indicator
range_gauge "images/ui/range_gauge.png" Image for the range gauge

Icon images

The icons object defines icon images that indicate note features.

Key Example path Description
icons.up "images/pitch/up.png" Icon for rapidly rising note
icons.down "images/pitch/down.png" Icon for rapidly falling note
icons.long "images/pitch/long.png" Icon for a long note

Bar images (bars)

bars defines note-bar images per MIDI channel. Each channel contains multiple note types and parts.

Structure

bars
├── "0" (channel 0)
│   ├── normal
│   ├── max
│   ├── min
│   ├── match
│   ├── match_all
│   └── unmatch
├── "1" (channel 1)
│   └── ...
└── "2" (channel 2)
    └── ...

Note types

Type Description Use case
normal Regular note (not highest/lowest) Default
max Highest note in the piece Highlight highest pitch
min Lowest note in the piece Highlight lowest pitch
match Partial match (mic mode) Pitch roughly matches but not perfect
match_all Perfect match (mic mode) Pitch and timing are both correct
unmatch Mismatch (mic mode) Pitch does not match

Bar parts

Each note type uses the following image parts. Bars are stretchable with three segments (left, middle, right).

Background parts (back)
Part Example path Description
back_left "images/bar/1_winered/back_left.png" Left edge of the bar background
back_mid "images/bar/1_winered/back_mid.png" Middle (stretchable) background
back_right "images/bar/1_winered/back_right.png" Right edge of the bar background
Fill parts (fill)
Part Example path Description
fill_left "images/bar/1_winered/fill_left.png" Left edge of the fill (progress)
fill_mid "images/bar/1_winered/fill_mid.png" Middle (stretchable) fill
fill_right "images/bar/1_winered/fill_right.png" Right edge of the fill
Passed parts (passed)
Part Example path Description
passed_left "images/bar/1_winered/passed_left.png" Left edge after completion
passed_mid "images/bar/1_winered/passed_mid.png" Middle (stretchable) after completion
passed_right "images/bar/1_winered/passed_right.png" Right edge after completion
Effect parts
Part Example path Description
glow "images/bar/1_winered/glow.png" Glow effect shown when a bar passes

Customization examples

Adding a new channel

For multi-part songs you can set different colors/designs per MIDI channel:

{
  "bars": {
    "0": { "normal": { /* wine-red bar */ } },
    "1": { "normal": { /* blue bar */ } },
    "2": { "normal": { /* green bar */ } }
  }
}

Bar designs for mic input

match, match_all, and unmatch are used in microphone input mode:

  • match_all: Perfect singing → vivid gradient
  • match: Almost correct → flat/single color
  • unmatch: Out of pitch → warning color (e.g., red)

Image specs

Recommended sizes

  • Bar part images: Keep heights consistent. Left/right edge widths are fixed; the middle part can be 1px wide (it will be stretched).
  • now_bar: Match NOW_BAR_WIDTH × NOW_BAR_HEIGHT in settings.json.
  • Icons: Square sized according to BAR_PASSED_COUNT_ICON_SIZE in settings.json.

File formats

  • PNG recommended (supports alpha/transparency).
  • Use images with transparent background for nicer overlays.

Notes

  • Provide images for all required channels, types, and parts.
  • Use relative paths from the project root.
  • Missing images will cause errors at application startup.
  • The widths of left/right bar parts are auto-adjusted by calculations inside settings.json.

Karaoke subtitle generation settings: lyrics_settings/settings_default.json

General subtitle settings

Variable Type Description
GENERAL.WIDTH int Image width for one subtitle line
GENERAL.HEIGHT int Image height for one subtitle line
GENERAL.X_BASE_INIT int Default X coordinate for the first character (origin = top-left of subtitle image)
GENERAL.Y_LYRIC int Y coordinate for the lyric (origin = top-left of subtitle image)
GENERAL.Y_RUBY int Y coordinate for ruby/furigana
GENERAL.COLOR_FILL_BEFORE int[R,G,B,A] Text color before wipe
GENERAL.COLOR_STROKE_FILL_BEFORE int[R,G,B,A] Outline color before wipe
GENERAL.COLOR_FILL_AFTER int[R,G,B,A] Text color after wipe
GENERAL.COLOR_STROKE_FILL_AFTER int[R,G,B,A] Outline color after wipe
GENERAL.COLOR_FILL_BEFORE_CHORUS int[R,G,B,A] Text color before wipe for chorus/response
GENERAL.COLOR_STROKE_FILL_BEFORE_CHORUS int[R,G,B,A] Outline color before wipe for chorus/response
GENERAL.COLOR_FILL_AFTER_CHORUS int[R,G,B,A] Text color after wipe for chorus/response
GENERAL.COLOR_STROKE_FILL_AFTER_CHORUS int[R,G,B,A] Outline color after wipe for chorus/response
GENERAL.DISABLE_STROKE_ANTIALIASING bool Disable stroke antialiasing (useful to avoid transparent outlines when layering subtitles)

Part/chorus mode settings

Variable Type Description
GENERAL.CHANGE_TO_CHORUS_STR str[] Strings that trigger chorus/response mode
GENERAL.CHANGE_TO_MAIN_STR str[] Strings that return to main mode
GENERAL.CHANGE_TO_PART_STR str[] Strings that trigger part-mode
GENERAL.PART_ICON str[] List of paths for part icons
GENERAL.PART_ICON_HEIGHT int Height of part icon
GENERAL.PART_ICON_OFFSET_X int X offset for part icon
GENERAL.PART_ICON_OFFSET_Y int Y offset for part icon
GENERAL.PART_ICON_MARGIN_X int X margin for part icon
GENERAL.COLOR_FILL_BEFORE_PART list[int[R,G,B,A]] Text colors (before wipe) for part mode
GENERAL.COLOR_STROKE_FILL_BEFORE_PART list[int[R,G,B,A]] Stroke colors (before wipe) for part mode
GENERAL.COLOR_FILL_AFTER_PART list[int[R,G,B,A]] Text colors (after wipe) for part mode
GENERAL.COLOR_STROKE_FILL_AFTER_PART list[int[R,G,B,A]] Stroke colors (after wipe) for part mode

Subtitle display settings

Variable Type Description
GENERAL.DISPLAY_BEFORE_TIME int (units: 10 ms) Time to start showing text before wipe
GENERAL.DISPLAY_AFTER_TIME int (units: 10 ms) Residual time to show text after wipe
GENERAL.DISPLAY_CONNECT_THRESHOLD_TIME int (units: 10 ms) Threshold to judge continuous subtitle switching
GENERAL.PROJECT_WIDTH int (px) Target video width
GENERAL.PROJECT_HEIGHT int (px) Target video height
GENERAL.PROJECT_MARGIN_X int (px) X margin from left edge for subtitles
GENERAL.PROJECT_LYRIC_X_OVERLAP_FACTOR float Overlap factor when centering multi-line lyrics
GENERAL.PROJECT_Y_0_LYRIC int (px) Y coordinate for line 1 lyrics
GENERAL.PROJECT_Y_1_LYRIC int (px) Y coordinate for line 2 lyrics
GENERAL.PROJECT_Y_2_LYRIC int (px) Y coordinate for line 3 lyrics
GENERAL.PROJECT_Y_3_LYRIC int (px) Y coordinate for line 4 lyrics
GENERAL.PROJECT_Y_0_RUBY int (px) Y coordinate for line 1 ruby
GENERAL.PROJECT_Y_1_RUBY int (px) Y coordinate for line 2 ruby
GENERAL.PROJECT_Y_2_RUBY int (px) Y coordinate for line 3 ruby
GENERAL.PROJECT_Y_3_RUBY int (px) Y coordinate for line 4 ruby

Lyric settings (LYRIC.*)

(Chorus/parenthetical lyrics can use LYRIC_CHORUS.* overrides.)

Variable Type Description
LYRIC.FONT_PATH str Path to lyric font
LYRIC.FONT_SIZE int (px) Font size
LYRIC.STROKE_WIDTH int (px) Stroke width for outline
LYRIC.MARGIN_SPACE int (px) Margin for half-width spaces
LYRIC.MARGIN_HALF int (px) Margin for half-width characters
LYRIC.MARGIN_FULL int (px) Margin for full-width characters
LYRIC.TEXT_WIDTH_MIN int (px) Minimum character width
LYRIC.Y_DRAW_OFFSET int (px) Y offset to correct font drawing alignment
LYRIC.ADJUST_WIPE_SPEED_THRESHOLD_S float (sec) Threshold time to adjust wipe speed between time tags
LYRIC.ADJUST_WIPE_SPEED_DIVISION_POINTS float[] Relative division points for wipe X coordinates
LYRIC.ADJUST_WIPE_SPEED_DIVISION_TIMES float[] Relative division points for wipe times
LYRIC.SYNC_WIPE_WITH_RUBY bool If ruby has per-character wipes, sync lyric wipes to ruby

Ruby settings (RUBY.*)

(Chorus ruby can use RUBY_CHORUS.* overrides.)

Variable Type Description
RUBY.FONT_PATH str Path to ruby font
RUBY.FONT_SIZE int (px) Font size
RUBY.STROKE_WIDTH int (px) Stroke width
RUBY.MARGIN_SPACE int (px) Margin for half-width spaces
RUBY.MARGIN_HALF int (px) Margin for half-width characters
RUBY.MARGIN_FULL int (px) Margin for full-width characters
RUBY.TEXT_WIDTH_MIN int (px) Minimum character width
RUBY.Y_DRAW_OFFSET int (px) Y offset to correct drawing alignment
RUBY.ADJUST_WIPE_SPEED_THRESHOLD_S float (sec) Threshold to adjust wipe speed
RUBY.ADJUST_WIPE_SPEED_DIVISION_POINTS float[] Relative division points for wipe X coordinates
RUBY.ADJUST_WIPE_SPEED_DIVISION_TIMES float[] Relative division points for wipe times

About ADJUST_WIPE_SPEED_XXX parameters

  • These parameters adjust wipe speed behavior when the time between time-tags is large (e.g., long tones) and a slow wipe would otherwise occur.
  • They take effect when the interval to the next time-tag (in seconds) exceeds ADJUST_WIPE_SPEED_THRESHOLD_S.

Wipe speed adjustment

About

A standalone karaoke player that generates karaoke subtitle videos with pitch guide bar using ruby-annotated LRC lyric files, melody MIDI data, and background videos.

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karaokekaraoke-playermidipython3

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