# 11-785 Homework 1 Part 2 - Fall 19 (LATE) — Data

来源：https://www.kaggle.com/competitions/11-785-hw1-fall2019-late/data

采集时间：2026-10-20T00:37:18Z

File descriptions
Data files are available for download from the original competition page.
File descriptions
train.npy
- training features
train_labels.npy
- training labels
dev.npy
- development/validation features
dev_labels.npy
- development/validation labels
test.npy
- test features
sample_submission.csv
- sample submission in correct format
Feature Files
[train|dev|test].npy
contain a numpy object array of shape
[utterances]
. Each utterance is a float32 ndarray of shape
[time, frequency]
, where time is the length of the utterance. Frequency dimension is always 40 but time dimension is of variable length.
Label Files
[train|dev]_labels.npy
contain a numpy object array of shape
[utterances]
. Each element in the array is an int32 array of shape [time] and provides the phoneme state label for each frame. There are 138 distinct labels [0-137], one for each subphoneme.
Loader
We have provided some starter code to help with loading the data. You can find the gist
[here](https://gist.github.com/rbrigden/d611ef4f2eccddb5581e0ac617ce38eb)