Implementation:Speechbrain Speechbrain Prepare Switchboard LM

Knowledge Sources	SpeechBrain
Domains	Language_Modeling, Data_Preparation
Last Updated	2026-02-09 00:00 GMT

Overview

Variant copy of the Switchboard data preparation script located in the Language Model recipe directory. This file is identical to the canonical version used in the seq2seq ASR recipe.

Canonical Page

See Implementation:Speechbrain_Speechbrain_Prepare_Switchboard for full documentation.

Code Reference

Source Location

Repository: SpeechBrain
File: recipes/Switchboard/LM/switchboard_prepare.py

Signature

def prepare_switchboard(
    data_folder,
    save_folder,
    splits=None,
    split_ratio=None,
    merge_lst=None,
    merge_name=None,
    skip_prep=False,
    add_fisher_corpus=False,
    max_utt=300,
):

Import

from switchboard_prepare import prepare_switchboard

Related Pages

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Principle

Implementation

Heuristic

Environment