Speech recognition fixtures

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.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 0123 Noisy (WAV)

Noisy twin of the digit sequence 0123 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 0123 Transcript (JSON)

Ground-truth transcript for the 0123 ASR utterance pair — expected text: “zero one two three”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

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.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 4567 Noisy (WAV)

Noisy twin of the digit sequence 4567 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 4567 Transcript (JSON)

Ground-truth transcript for the 4567 ASR utterance pair — expected text: “four five six seven”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR — 89 Clean (WAV)

Synthetic clean tone sequence encoding digits 89 (eight nine). Pair with the noisy twin and transcript JSON for ASR evaluation.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 89 Noisy (WAV)

Noisy twin of the digit sequence 89 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 89 Transcript (JSON)

Ground-truth transcript for the 89 ASR utterance pair — expected text: “eight nine”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

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.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 1357 Noisy (WAV)

Noisy twin of the digit sequence 1357 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 1357 Transcript (JSON)

Ground-truth transcript for the 1357 ASR utterance pair — expected text: “one three five seven”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

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.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 24680 Noisy (WAV)

Noisy twin of the digit sequence 24680 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 24680 Transcript (JSON)

Ground-truth transcript for the 24680 ASR utterance pair — expected text: “two four six eight zero”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

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.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 987654 Noisy (WAV)

Noisy twin of the digit sequence 987654 at ~7 dB SNR. Score ASR against the shared transcript JSON.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR — 987654 Transcript (JSON)

Ground-truth transcript for the 987654 ASR utterance pair — expected text: “nine eight seven six five four”.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Cue — “one” Clean (WAV)

Short synthetic cue tone for “one” — clean reference for wake-word / digit ASR smoke tests.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Cue — “one” Noisy (WAV)

Noisy twin of the “one” cue tone (~5 dB SNR).

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Cue — “zero” Clean (WAV)

Short synthetic cue tone for “zero” — clean reference for wake-word / digit ASR smoke tests.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Cue — “zero” Noisy (WAV)

Noisy twin of the “zero” cue tone (~5 dB SNR).

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 1111 Clean (WAV)

Extra synthetic digit utterance 1111 (one one one one) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 1111 Noisy (WAV)

Noisy twin of digit sequence 1111.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 1111 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 1111.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 2222 Clean (WAV)

Extra synthetic digit utterance 2222 (two two two two) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 2222 Noisy (WAV)

Noisy twin of digit sequence 2222.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 2222 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 2222.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 3333 Clean (WAV)

Extra synthetic digit utterance 3333 (three three three three) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 3333 Noisy (WAV)

Noisy twin of digit sequence 3333.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 3333 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 3333.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 4444 Clean (WAV)

Extra synthetic digit utterance 4444 (four four four four) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 4444 Noisy (WAV)

Noisy twin of digit sequence 4444.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 4444 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 4444.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 5555 Clean (WAV)

Extra synthetic digit utterance 5555 (five five five five) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 5555 Noisy (WAV)

Noisy twin of digit sequence 5555.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 5555 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 5555.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 6666 Clean (WAV)

Extra synthetic digit utterance 6666 (six six six six) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 6666 Noisy (WAV)

Noisy twin of digit sequence 6666.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 6666 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 6666.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 7777 Clean (WAV)

Extra synthetic digit utterance 7777 (seven seven seven seven) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 7777 Noisy (WAV)

Noisy twin of digit sequence 7777.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 7777 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 7777.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 8888 Clean (WAV)

Extra synthetic digit utterance 8888 (eight eight eight eight) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 8888 Noisy (WAV)

Noisy twin of digit sequence 8888.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 8888 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 8888.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 9999 Clean (WAV)

Extra synthetic digit utterance 9999 (nine nine nine nine) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 9999 Noisy (WAV)

Noisy twin of digit sequence 9999.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 9999 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 9999.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

ASR Extra — 0000 Clean (WAV)

Extra synthetic digit utterance 0000 (zero zero zero zero) — clean twin.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 0000 Noisy (WAV)

Noisy twin of digit sequence 0000.

File: WAV · Asr · 16000
Use case: ASR testingAudio analysis· Paired fixture

ASR Extra — 0000 Transcript (JSON)

Ground-truth transcript for extra ASR utterance 0000.

File: JSON · Asr
Use case: ASR testingJSON parsing· Conversion set

DTMF Sequence — 1234

Synthetic DTMF tone sequence for digits “1234”. Pair with the transcript JSON.

File: WAV · Dtmf · 16000
Use case: ASR testingAudio analysis· Paired fixture

DTMF Transcript — 1234 (JSON)

Ground-truth digit transcript for the DTMF sequence 1234.

File: JSON · Dtmf
Use case: ASR testing· Paired fixture

DTMF Sequence — 567890

Synthetic DTMF tone sequence for digits “567890”. Pair with the transcript JSON.

File: WAV · Dtmf · 16000
Use case: ASR testingAudio analysis· Paired fixture

DTMF Transcript — 567890 (JSON)

Ground-truth digit transcript for the DTMF sequence 567890.

File: JSON · Dtmf
Use case: ASR testing· Paired fixture

DTMF Sequence — *9#

Synthetic DTMF tone sequence for digits “*9#”. Pair with the transcript JSON.

File: WAV · Dtmf · 16000
Use case: ASR testingAudio analysis· Paired fixture

DTMF Transcript — *9# (JSON)

Ground-truth digit transcript for the DTMF sequence *9#.

File: JSON · Dtmf
Use case: ASR testing· Paired fixture

DTMF Sequence — 042

Synthetic DTMF tone sequence for digits “042”. Pair with the transcript JSON.

File: WAV · Dtmf · 16000
Use case: ASR testingAudio analysis· Paired fixture

DTMF Transcript — 042 (JSON)

Ground-truth digit transcript for the DTMF sequence 042.

File: JSON · Dtmf
Use case: ASR testing· Paired fixture

DTMF Sequence — 13579

Synthetic DTMF tone sequence for digits “13579”. Pair with the transcript JSON.

File: WAV · Dtmf · 16000
Use case: ASR testingAudio analysis· Paired fixture

DTMF Transcript — 13579 (JSON)

Ground-truth digit transcript for the DTMF sequence 13579.

File: JSON · Dtmf
Use case: ASR testing· Paired fixture

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.

File: JSONL · Speech · 8 records
Use case: ASR testingML training data+1