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american fourteen seventy nine I think you failed the callsign again fly present heading maintain five thousand | <|0.00|>american fourteen seventy nine I think you failed the callsign again fly present heading maintain<|3.90|><|3.90|>five thousand<|4.72|> | 00:00:33.546 | 00:00:38.550 | 5.004 | [{"word": "american", "start": 0.07399999999999807, "end": 0.2539999999999978}, {"word": "fourteen", "start": 0.29400000000000404, "end": 0.5940000000000012}, {"word": "seventy", "start": 0.7539999999999978, "end": 0.9740000000000038}, {"word": "nine", "start": 1.054000000000002, "end": 1.1940000000000026}, {"word": "I", "start": 1.2340000000000018, "end": 1.2340000000000018}, {"word": "think", "start": 1.274000000000001, "end": 1.3740000000000023}, {"word": "you", "start": 1.4140000000000015, "end": 1.4740000000000038}, {"word": "failed", "start": 1.533999999999999, "end": 1.7139999999999986}, {"word": "the", "start": 1.7539999999999978, "end": 1.794000000000004}, {"word": "callsign", "start": 1.8539999999999992, "end": 2.253999999999998}, {"word": "again", "start": 2.4339999999999975, "end": 2.554000000000002}, {"word": "fly", "start": 2.6540000000000035, "end": 2.794000000000004}, {"word": "present", "start": 2.9339999999999975, "end": 3.1940000000000026}, {"word": "heading", "start": 3.253999999999998, "end": 3.4339999999999975}, {"word": "maintain", "start": 3.4939999999999998, "end": 3.8939999999999984}, {"word": "five", "start": 4.134, "end": 4.314}, {"word": "thousand", "start": 4.4140000000000015, "end": 4.713999999999999}] | test2.mp3 | ||
alright American fourteen seventy nine present heading five thousand we will expect two six thank you | <|0.00|>alright American fourteen seventy nine present heading five thousand we will expect<|3.56|><|3.56|>two six thank you<|4.86|> | american fourteen seventy nine I think you failed the callsign again fly present heading maintain five thousand | 00:00:39.882 | 00:00:45.270 | 5.388 | [{"word": "alright", "start": 0.1980000000000004, "end": 0.31800000000000495}, {"word": "American", "start": 0.3580000000000041, "end": 0.5579999999999998}, {"word": "fourteen", "start": 0.7379999999999995, "end": 1.078000000000003}, {"word": "seventy", "start": 1.2580000000000027, "end": 1.4580000000000055}, {"word": "nine", "start": 1.5380000000000038, "end": 1.7180000000000035}, {"word": "present", "start": 1.9780000000000015, "end": 2.2580000000000027}, {"word": "heading", "start": 2.318000000000005, "end": 2.5180000000000007}, {"word": "five", "start": 2.6580000000000013, "end": 2.798000000000002}, {"word": "thousand", "start": 2.878, "end": 3.1380000000000052}, {"word": "we", "start": 3.1780000000000044, "end": 3.1980000000000004}, {"word": "will", "start": 3.2379999999999995, "end": 3.318000000000005}, {"word": "expect", "start": 3.358000000000004, "end": 3.558}, {"word": "two", "start": 3.597999999999999, "end": 3.6580000000000013}, {"word": "six", "start": 3.858000000000004, "end": 3.9980000000000047}, {"word": "thank", "start": 4.558, "end": 4.658000000000001}, {"word": "you", "start": 4.7379999999999995, "end": 4.858000000000004}] | test2.mp3 | |
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fourteen seventy nine do you need a phone number you can call in and we can talk about the tape but you misread the last three transmissions without a callsign and without a runway assignment | <|0.00|>fourteen seventy nine do you need a phone number you can call in and we can talk about the tape<|3.74|><|3.74|>but you misread the last three transmissions without a callsign and without<|7.50|><|7.50|>a runway assignment<|8.28|> | cleared for the visual approach to runway two six american fourteen seventy nine | 00:01:54.986 | 00:02:03.574 | 8.588 | [{"word": "fourteen", "start": 0.2539999999999907, "end": 0.4939999999999998}, {"word": "seventy", "start": 0.5939999999999941, "end": 0.7539999999999907}, {"word": "nine", "start": 0.7939999999999969, "end": 0.8739999999999952}, {"word": "do", "start": 0.9339999999999975, "end": 0.9539999999999935}, {"word": "you", "start": 1.0139999999999958, "end": 1.054000000000002}, {"word": "need", "start": 1.11399999999999, "end": 1.2139999999999986}, {"word": "a", "start": 1.2539999999999907, "end": 1.2539999999999907}, {"word": "phone", "start": 1.293999999999997, "end": 1.4739999999999895}, {"word": "number", "start": 1.573999999999998, "end": 1.7539999999999907}, {"word": "you", "start": 1.8739999999999952, "end": 1.9140000000000015}, {"word": "can", "start": 1.9939999999999998, "end": 2.054000000000002}, {"word": "call", "start": 2.1539999999999964, "end": 2.293999999999997}, {"word": "in", "start": 2.4739999999999895, "end": 2.513999999999996}, {"word": "and", "start": 2.6539999999999964, "end": 2.6940000000000026}, {"word": "we", "start": 2.7539999999999907, "end": 2.774000000000001}, {"word": "can", "start": 2.853999999999999, "end": 2.9339999999999975}, {"word": "talk", "start": 3.013999999999996, "end": 3.1340000000000003}, {"word": "about", "start": 3.2339999999999947, "end": 3.353999999999999}, {"word": "the", "start": 3.4339999999999975, "end": 3.4739999999999895}, {"word": "tape", "start": 3.533999999999992, "end": 3.7339999999999947}, {"word": "but", "start": 3.813999999999993, "end": 3.8739999999999952}, {"word": "you", "start": 3.9539999999999935, "end": 3.9939999999999998}, {"word": "misread", "start": 4.11399999999999, "end": 4.4339999999999975}, {"word": "the", "start": 4.513999999999996, "end": 4.573999999999998}, {"word": "last", "start": 4.653999999999996, "end": 4.853999999999999}, {"word": "three", "start": 4.994, "end": 5.173999999999992}, {"word": "transmissions", "start": 5.253999999999991, "end": 5.793999999999997}, {"word": "without", "start": 5.873999999999995, "end": 6.11399999999999}, {"word": "a", "start": 6.213999999999999, "end": 6.213999999999999}, {"word": "callsign", "start": 6.293999999999997, "end": 6.753999999999991}, {"word": "and", "start": 7.153999999999996, "end": 7.194000000000003}, {"word": "without", "start": 7.274000000000001, "end": 7.494}, {"word": "a", "start": 7.533999999999992, "end": 7.533999999999992}, {"word": "runway", "start": 7.593999999999994, "end": 7.813999999999993}, {"word": "assignment", "start": 7.893999999999991, "end": 8.274000000000001}] | test2.mp3 | |
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winter haven traffic four four five uniform sierra is a mile north of the airport on a midfield crosswind to get to a left downwind | <|0.00|>winter haven traffic four four five uniform sierra is a mile<|3.52|><|3.52|>north of the airport on a midfield crosswind to get to a left downwind<|7.68|> | winter haven we are trying to take the advance here papa on a three way final for runway five we are shooting the rnav gps for runway five approach winter haven we will be a touch and go | 00:00:10.986 | 00:00:18.934 | 7.948 | [{"word": "winter", "start": 0.15399999999999991, "end": 0.3739999999999988}, {"word": "haven", "start": 0.5539999999999985, "end": 0.6739999999999995}, {"word": "traffic", "start": 0.8339999999999996, "end": 1.2139999999999986}, {"word": "four", "start": 1.3539999999999992, "end": 1.4939999999999998}, {"word": "four", "start": 1.5939999999999994, "end": 1.7139999999999986}, {"word": "five", "start": 1.8339999999999996, "end": 2.074}, {"word": "uniform", "start": 2.154, "end": 2.5139999999999993}, {"word": "sierra", "start": 2.613999999999999, "end": 2.9139999999999997}, {"word": "is", "start": 3.0139999999999993, "end": 3.0539999999999985}, {"word": "a", "start": 3.193999999999999, "end": 3.193999999999999}, {"word": "mile", "start": 3.2939999999999987, "end": 3.5139999999999993}, {"word": "north", "start": 3.6339999999999986, "end": 3.8339999999999996}, {"word": "of", "start": 3.894, "end": 3.9139999999999997}, {"word": "the", "start": 3.974, "end": 4.033999999999999}, {"word": "airport", "start": 4.133999999999999, "end": 4.453999999999999}, {"word": "on", "start": 4.533999999999999, "end": 4.5539999999999985}, {"word": "a", "start": 4.633999999999999, "end": 4.633999999999999}, {"word": "midfield", "start": 4.713999999999999, "end": 5.233999999999998}, {"word": "crosswind", "start": 5.5539999999999985, "end": 6.114000000000001}, {"word": "to", "start": 6.193999999999999, "end": 6.233999999999998}, {"word": "get", "start": 6.2940000000000005, "end": 6.413999999999998}, {"word": "to", "start": 6.533999999999999, "end": 6.593999999999998}, {"word": "a", "start": 6.713999999999999, "end": 6.713999999999999}, {"word": "left", "start": 6.814, "end": 6.994}, {"word": "downwind", "start": 7.114000000000001, "end": 7.6739999999999995}] | test1.m4a | |
traffic cherokee eight five sierra papa on a short final for runway five we will be a touch and go | <|0.00|>traffic cherokee eight five sierra papa on a short final for runway<|3.50|><|3.50|>five we will be a touch and go<|4.90|> | winter haven traffic four four five uniform sierra is a mile north of the airport on a midfield crosswind to get to a left downwind | 00:00:58.058 | 00:01:03.382 | 5.324 | [{"word": "traffic", "start": 0.26200000000000045, "end": 0.5020000000000024}, {"word": "cherokee", "start": 0.5820000000000007, "end": 0.8419999999999987}, {"word": "eight", "start": 0.9420000000000002, "end": 1.0619999999999976}, {"word": "five", "start": 1.142000000000003, "end": 1.3419999999999987}, {"word": "sierra", "start": 1.402000000000001, "end": 1.6219999999999999}, {"word": "papa", "start": 1.7019999999999982, "end": 1.9620000000000033}, {"word": "on", "start": 2.142000000000003, "end": 2.161999999999999}, {"word": "a", "start": 2.2620000000000005, "end": 2.2620000000000005}, {"word": "short", "start": 2.362000000000002, "end": 2.5820000000000007}, {"word": "final", "start": 2.7419999999999973, "end": 3.0020000000000024}, {"word": "for", "start": 3.122, "end": 3.161999999999999}, {"word": "runway", "start": 3.201999999999998, "end": 3.5020000000000024}, {"word": "five", "start": 3.7419999999999973, "end": 3.9819999999999993}, {"word": "we", "start": 4.0219999999999985, "end": 4.042000000000002}, {"word": "will", "start": 4.082000000000001, "end": 4.201999999999998}, {"word": "be", "start": 4.2620000000000005, "end": 4.282000000000004}, {"word": "a", "start": 4.402000000000001, "end": 4.402000000000001}, {"word": "touch", "start": 4.481999999999999, "end": 4.661999999999999}, {"word": "and", "start": 4.722000000000001, "end": 4.7620000000000005}, {"word": "go", "start": 4.802, "end": 4.902000000000001}] | test1.m4a | |
how about you just shut the fuck up if you are in a pick up truck and ain’t worried about flying an airplane then dickhead | <|0.00|>how about you just shut the fuck up if you are in a pick up truck and ain’t worried about<|3.64|><|3.64|>flying an airplane then dickhead<|5.28|> | traffic cherokee eight five sierra papa on a short final for runway five we will be a touch and go | 00:01:40.586 | 00:01:46.230 | 5.644 | [{"word": "how", "start": 0.13400000000000034, "end": 0.21399999999999864}, {"word": "about", "start": 0.31400000000000716, "end": 0.534000000000006}, {"word": "you", "start": 0.6340000000000003, "end": 0.6940000000000026}, {"word": "just", "start": 0.7939999999999969, "end": 0.9140000000000015}, {"word": "shut", "start": 0.9939999999999998, "end": 1.0940000000000083}, {"word": "the", "start": 1.1740000000000066, "end": 1.2139999999999986}, {"word": "fuck", "start": 1.293999999999997, "end": 1.4939999999999998}, {"word": "up", "start": 1.6740000000000066, "end": 1.7139999999999986}, {"word": "if", "start": 1.8340000000000032, "end": 1.8539999999999992}, {"word": "you", "start": 1.9140000000000015, "end": 1.9740000000000038}, {"word": "are", "start": 2.034000000000006, "end": 2.073999999999998}, {"word": "in", "start": 2.1140000000000043, "end": 2.1340000000000003}, {"word": "a", "start": 2.1740000000000066, "end": 2.1740000000000066}, {"word": "pick", "start": 2.293999999999997, "end": 2.4339999999999975}, {"word": "up", "start": 2.573999999999998, "end": 2.6140000000000043}, {"word": "truck", "start": 2.6940000000000026, "end": 2.9540000000000077}, {"word": "and", "start": 3.054000000000002, "end": 3.0940000000000083}, {"word": "ain\u2019t", "start": 3.1340000000000003, "end": 3.2339999999999947}, {"word": "worried", "start": 3.293999999999997, "end": 3.4540000000000077}, {"word": "about", "start": 3.4939999999999998, "end": 3.6340000000000003}, {"word": "flying", "start": 3.7139999999999986, "end": 3.9740000000000038}, {"word": "an", "start": 4.034000000000006, "end": 4.054000000000002}, {"word": "airplane", "start": 4.134, "end": 4.554000000000002}, {"word": "then", "start": 4.634, "end": 4.694000000000003}, {"word": "dickhead", "start": 4.853999999999999, "end": 5.274000000000001}] | test1.m4a |
atc-test-5s
Speech dataset prepared with Trelis Studio.
Statistics
| Metric | Value |
|---|---|
| Source files | 2 |
| Validation samples | 11 |
| Total duration | 4.6 minutes |
Columns
| Column | Type | Description |
|---|---|---|
audio |
Audio | Audio segment (16kHz) - speech only, silence stripped via VAD |
text |
string | Plain transcription (no timestamps) - backwards compatible |
text_ts |
string | Transcription WITH Whisper timestamp tokens (e.g., `< |
start_time |
string | Segment start in original audio (HH:MM:SS.mmm) |
end_time |
string | Segment end in original audio (HH:MM:SS.mmm) |
speech_duration |
float | Duration of speech in segment (excluding silence) |
word_timestamps |
list | Word-level timestamps (relative to speech-only audio) |
source_file |
string | Original audio filename |
VAD Processing
Audio segments are processed with Silero VAD to match faster-whisper inference:
- Silence is stripped from audio (only speech regions remain)
- Timestamps are relative to the concatenated speech audio
- This ensures training data matches inference behavior
Training Usage
For Whisper timestamp training, use the two-bucket approach:
- Bucket A (50%): Use
text- plain transcription without timestamps - Bucket B (50%): Use
text_ts- transcription with Whisper timestamp tokens
Usage
from datasets import load_dataset
dataset = load_dataset("Trelis/atc-test-5s")
Prepared with Trelis Studio
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