ASR — 0123 Clean (WAV)
Synthetic clean tone sequence encoding digits 0123 (zero one two three). Pair with the noisy twin and transcript JSON for ASR evaluation.
Speech recognition fixtures
Short synthetic digit/tone utterances with transcript JSON and clean↔noise pairs — for testing ASR loaders, WER harnesses, and audio preprocessing.
63 of 63 files
ASR — 0123 Noisy (WAV)
Noisy twin of the digit sequence 0123 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 0123 Transcript (JSON)
Ground-truth transcript for the 0123 ASR utterance pair — expected text: “zero one two three”.
ASR — 4567 Clean (WAV)
Synthetic clean tone sequence encoding digits 4567 (four five six seven). Pair with the noisy twin and transcript JSON for ASR evaluation.
ASR — 4567 Noisy (WAV)
Noisy twin of the digit sequence 4567 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 4567 Transcript (JSON)
Ground-truth transcript for the 4567 ASR utterance pair — expected text: “four five six seven”.
ASR — 89 Clean (WAV)
Synthetic clean tone sequence encoding digits 89 (eight nine). Pair with the noisy twin and transcript JSON for ASR evaluation.
ASR — 89 Noisy (WAV)
Noisy twin of the digit sequence 89 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 89 Transcript (JSON)
Ground-truth transcript for the 89 ASR utterance pair — expected text: “eight nine”.
ASR — 1357 Clean (WAV)
Synthetic clean tone sequence encoding digits 1357 (one three five seven). Pair with the noisy twin and transcript JSON for ASR evaluation.
ASR — 1357 Noisy (WAV)
Noisy twin of the digit sequence 1357 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 1357 Transcript (JSON)
Ground-truth transcript for the 1357 ASR utterance pair — expected text: “one three five seven”.
ASR — 24680 Clean (WAV)
Synthetic clean tone sequence encoding digits 24680 (two four six eight zero). Pair with the noisy twin and transcript JSON for ASR evaluation.
ASR — 24680 Noisy (WAV)
Noisy twin of the digit sequence 24680 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 24680 Transcript (JSON)
Ground-truth transcript for the 24680 ASR utterance pair — expected text: “two four six eight zero”.
ASR — 987654 Clean (WAV)
Synthetic clean tone sequence encoding digits 987654 (nine eight seven six five four). Pair with the noisy twin and transcript JSON for ASR evaluation.
ASR — 987654 Noisy (WAV)
Noisy twin of the digit sequence 987654 at ~7 dB SNR. Score ASR against the shared transcript JSON.
ASR — 987654 Transcript (JSON)
Ground-truth transcript for the 987654 ASR utterance pair — expected text: “nine eight seven six five four”.
ASR Cue — “one” Clean (WAV)
Short synthetic cue tone for “one” — clean reference for wake-word / digit ASR smoke tests.
ASR Cue — “zero” Clean (WAV)
Short synthetic cue tone for “zero” — clean reference for wake-word / digit ASR smoke tests.
ASR Extra — 1111 Clean (WAV)
Extra synthetic digit utterance 1111 (one one one one) — clean twin.
ASR Extra — 1111 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 1111.
ASR Extra — 2222 Clean (WAV)
Extra synthetic digit utterance 2222 (two two two two) — clean twin.
ASR Extra — 2222 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 2222.
ASR Extra — 3333 Clean (WAV)
Extra synthetic digit utterance 3333 (three three three three) — clean twin.
ASR Extra — 3333 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 3333.
ASR Extra — 4444 Clean (WAV)
Extra synthetic digit utterance 4444 (four four four four) — clean twin.
ASR Extra — 4444 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 4444.
ASR Extra — 5555 Clean (WAV)
Extra synthetic digit utterance 5555 (five five five five) — clean twin.
ASR Extra — 5555 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 5555.
ASR Extra — 6666 Clean (WAV)
Extra synthetic digit utterance 6666 (six six six six) — clean twin.
ASR Extra — 6666 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 6666.
ASR Extra — 7777 Clean (WAV)
Extra synthetic digit utterance 7777 (seven seven seven seven) — clean twin.
ASR Extra — 7777 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 7777.
ASR Extra — 8888 Clean (WAV)
Extra synthetic digit utterance 8888 (eight eight eight eight) — clean twin.
ASR Extra — 8888 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 8888.
ASR Extra — 9999 Clean (WAV)
Extra synthetic digit utterance 9999 (nine nine nine nine) — clean twin.
ASR Extra — 9999 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 9999.
ASR Extra — 0000 Clean (WAV)
Extra synthetic digit utterance 0000 (zero zero zero zero) — clean twin.
ASR Extra — 0000 Transcript (JSON)
Ground-truth transcript for extra ASR utterance 0000.
DTMF Sequence — 1234
Synthetic DTMF tone sequence for digits “1234”. Pair with the transcript JSON.
DTMF Sequence — 567890
Synthetic DTMF tone sequence for digits “567890”. Pair with the transcript JSON.
DTMF Transcript — 567890 (JSON)
Ground-truth digit transcript for the DTMF sequence 567890.
DTMF Sequence — *9#
Synthetic DTMF tone sequence for digits “*9#”. Pair with the transcript JSON.
DTMF Sequence — 042
Synthetic DTMF tone sequence for digits “042”. Pair with the transcript JSON.
DTMF Sequence — 13579
Synthetic DTMF tone sequence for digits “13579”. Pair with the transcript JSON.
ASR Digit Utterances Dataset (JSONL)
JSON Lines ASR training/eval set for the Wave B synthetic digit utterances — each row points at a clean WAV and carries the expected transcript.