ComfyUI Node
Audio Test Signal Generator
Generates various audio test signals like sine waves, noise, and sweeps.
Audio Test Signal Generator
- audio_out
◄waveform_typesine►
◄frequency440►
◄frequency_end880►
◄amplitude0.50►
◄dc_offset0.00►
◄phase0►
◄duration3.0►
◄sample_rate44100►
◄batch_size1►
◄channels1►
◄seed0►
Categoryaudio/generation
Inputs (11)
| Name | Type | Default | Description |
|---|---|---|---|
| waveform_type | COMBO | sine | 10 options: sine, square, sawtooth, triangle, sweep, white_noise, +4 |
| frequency | FLOAT | 4400–22050 | Frequency in Hz for periodic waveforms (or start frequency for sweep). |
| frequency_end | FLOAT | 8800–22050 | End frequency in Hz for 'sweep' waveform type. |
| amplitude | FLOAT | 0.500–1 | Amplitude of the signal (0.0 to 1.0). |
| dc_offset | FLOAT | 0.00-1–1 | DC offset to add to the signal. |
| phase | FLOAT | 00–360 | Phase offset in degrees (0-360). |
| duration | STRING | 3.0 | Duration time in HH:MM:SS.ss format, or just a float for seconds. |
| sample_rate | INT | 441001–192000 | — |
| batch_size | INT | 11–64 | — |
| channels | INT | 11–8 | Number of audio channels (1=mono, 2=stereo, etc.). |
| seedopt | INT | 00–18446744073709550000 | — |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| audio_out | AUDIO | — |