Migrating from ESPnet2

ESPnet3 replaces numbered shell stages with named Python stages and splits config by pipeline area.

Recipe structure

Map the typical ESPnet2 recipe tree to the ESPnet3 recipe tree.

Task to system

See why ESPnet3 moved from task-centric ownership to system-centric workflows.

Config diff

Port training, inference, dataset, path, and parallel config surfaces.

Data pipeline

Map shell-based data preparation to builders, datasets, transforms, and collate.

Cluster and parallel

Map `nj`, split SCPs, and shell jobs to provider and runner execution.