RadioTalk: a large-scale corpus of talk radio transcripts
Paper • 1907.07073 • Published
Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: ValueError
Message: Expected object or value
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 281, in _generate_tables
examples = [ujson_loads(line) for line in batch.splitlines()]
~~~~~~~~~~~^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 20, in ujson_loads
return pd.io.json.ujson_loads(*args, **kwargs)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
ValueError: Expected object or valueNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
RadioTalk acquisition inventory
This repository tracks the MIT/Cortico RadioTalk corpus, not the unrelated synthetic air-traffic-control datasets sharing its name. Official source: https://github.com/mit-ccc/RadioTalk. Reference: Doug Beeferman, William Brannon and Deb Roy, RadioTalk: a large-scale corpus of talk radio transcripts, Interspeech 2019, https://arxiv.org/abs/1907.07073.
The official S3 release contains approximately 9.9 GB of compressed transcripts
and metadata. It provides internal audio chunk identifiers and broadcast times,
but no bulk waveform URLs. Its advertised 284,000 hours are not audio delivered
by this repository. source_manifest.json records the immutable S3 version for
reproducible retrieval. The public demo was not a verified bulk-audio source.
No waveform archive is uploaded here. The official transcript object is retained on the acquisition server; a redistribution license was not found in the source repository, so this public inventory links to the official release.
Original audio source check — 2026-09-30
A live source-discovery run obtained zero original RadioTalk audio files. The official public S3 bucket was fully enumerated: 12 current objects and 24 historical file versions, with no waveform objects discovered. The live demo domain returns NXDOMAIN. Its archived 2019 homepage survives, but its two referenced player scripts have no available snapshots. The official audio-access question remains unanswered.
The related modern audio-scraper example storage prefix rejects anonymous listing; it has not been established as the location of the original RadioTalk recordings. A readable original-audio archive and a mapping from audio_chunk_id to recording objects are needed to proceed.
See the detailed source audit and the official audio-access issue. This negative search does not prove the original recordings no longer exist.
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