MMAudioSamplerMultiGPU.md

MMAudioSamplerMultiGPU

MMAudioSamplerMultiGPU renders audio clips with MMAudio while giving you control over which accelerator runs the diffusion loop and whether frames stay offloaded.

Inputs

Required

Parameter	Data Type	Description
mmaudio_model	MMAUDIO_MODEL	Core MMAudio checkpoint prepared by the loader.
feature_utils	MMAUDIO_FEATUREUTILS	Feature utility bundle containing VAE, Synchformer, CLIP, and optional vocoder.
duration	FLOAT	Target duration for the generated audio in seconds.
steps	INT	Number of sampler iterations to run.
cfg	FLOAT	Classifier-free guidance scale.
seed	INT	Random seed, 0 for deterministic repeatability.
prompt	STRING	Positive conditioning text.
negative_prompt	STRING	Negative conditioning text.
mask_away_clip	BOOLEAN	Hide supplied clip video frames during sampling.
force_offload	BOOLEAN	Force temporary offload of the model after sampling.

Optional

Parameter	Data Type	Description
images	IMAGE	Reference frames to guide the sampler.
device	STRING	Device that hosts the diffusion pass (cuda:0, cpu, etc.).

Outputs

Output Name	Data Type	Description
audio	AUDIO	Generated audio waveform tensor.