ComfyUI Node
🎵 Audio visualizer video (still + spectrum)
🎵 Still image + audio → 30 or 60 fps mp4 with a constant-Q spectrum band along the bottom, rendered by PyAV using CPU FFmpeg filters. Saves to the output folder with the workflow embedded.
🎵 Audio visualizer video (still + spectrum)
- image
- audio
- color
- video
◄enabledtrue►
◄filename_prefixvideo/song_visualizer►
◄style▾►
◄dot_spacing17►
◄band_height0.35►
◄gain1.30►
◄glow0.00►
◄trail0.00►
◄vignette0.00►
◄fade_in1.5►
◄fade_out2.5►
◄fps60►
◄start0.0►
◄duration0.0►
◄video_codec▾►
◄h265_crf18►
◄h264_crf22►
◄audio_codecflac►
◄aac_bitrate192►
◄opus_bitrate128►
◄crf-1►
Categoryaudio/visualize
Inputs (24)
| Name | Type | Default | Description |
|---|---|---|---|
| image | IMAGE | the still; sets the video size, odd sides +1px (first image of a batch) | |
| audio | AUDIO | — | |
| enabled | BOOLEAN | true | off = render nothing and block the video output; image and audio aren't requested |
| filename_prefix | STRING | video/song_visualizer | — |
| style | COMBO | bars: 64 bars. dots: LED matrix. (none): still image and audio only | |
| dot_spacing | INT | 174–64 | Distance between LED dots in pixels; also scales their diameter |
| color | COLOR | #9750c4 | bar color (#RRGGBB) |
| band_height | FLOAT | 0.350.1–0.9 | height of the spectrum band as a fraction of the video height |
| gain | FLOAT | 1.300.25–2 | height of the loudest moment, measured from the audio: 1.0 just reaches the top of the band, 1.3 clips the loudest peaks |
| glow | FLOAT | 0.000–1 | opacity of the blurred halo around bars; 0 disables it |
| trail | FLOAT | 0.000–0.99 | per-frame brightness kept as bars fall; 0 disables it |
| vignette | FLOAT | 0.000–1 | edge darkening: 0 disables it, 0.4 matches the original, 1 is strongest |
| fade_in | FLOAT | 1.50–3 | Visual fade from black in seconds; 0 disables it. Audio is unchanged. |
| fade_out | FLOAT | 2.50–3 | Visual fade to black in seconds; 0 disables it. Audio is unchanged. |
| fps | COMBO | 60 | 2 options: 30, 60 |
| start | FLOAT | 0.00–86400 | seconds into the audio |
| duration | FLOAT | 0.00–86400 | seconds; 0 = to the end |
| video_codec | COMBO | 2 options: h265, h264 | |
| h265_crf | INT | 180–51 | — |
| h264_crf | INT | 220–51 | — |
| audio_codec | COMBO | flac | FLAC: lossless 24-bit. AAC / Opus: adjustable bitrate. |
| aac_bitrate | INT | 19232–512 | AAC bitrate in kbit/s |
| opus_bitrate | INT | 12832–512 | Opus bitrate in kbit/s |
| crf | INT | -1-1–51 | Legacy workflow CRF; migrated to the selected codec control |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| video | VIDEO | — |