Converts audio objects stored in Volcengine TOS into PCM-oriented WAV output through TOS data-process async jobs. Use this skill when the user needs to convert audio to PCM or WAV, resample audio to 16k, convert to mono, change sample format, normalize audio for ASR pipelines, or prepare TOS audio files for speech recognition — even if they don't explicitly mention 'PCM' or 'audio conversion'.
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See how to installReview the instructions the agent will receive before you install.
Convert audio files stored in Volcengine TOS into PCM-oriented WAV output through the TOS gateway's media_jobs API.
Install dependencies on first use:
cd {baseDir}
pip install -r {baseDir}/requirements.txt
Then run scripts with Python 3.7+:
python3 {baseDir}/scripts/<script>.py <args>
This skill relies on the TOS identity declared in the metadata block. Common runtime variables are:
| Environment Variable | Required | Description |
|---|---|---|
TOS_ACCESS_KEY | Yes | TOS access key ID |
TOS_SECRET_KEY | Yes | TOS secret access key |
TOS_ENDPOINT | Yes | TOS endpoint URL |
TOS_REGION | Yes | TOS region |
TOS_BUCKET | Yes | Source bucket that stores the audio object |
TOS_OBJECT_KEY | No | Source object key of the audio file. Can be overridden with --key |
TOS_SECURITY_TOKEN | No | STS session token when using temporary credentials |
# Convert an audio object to 16k mono s16 WAV and wait for completion
python3 {baseDir}/scripts/audio_to_pcm.py \
--key test.wav \
--sample-rate 16000 \
--channels 1 \
--sample-format s16 \
--output-object skill-test/audio/test_pcm.wav \
--wait
| Script | Purpose |
|---|---|
scripts/audio_to_pcm.py | Submit an async AudioConvert job via the TOS gateway's media_jobs API that converts TOS audio into PCM-oriented WAV output. Supports --wait to poll until completion. |
scripts/tos_jobs_client.py | Shared client for TOS gateway doc_jobs/media_jobs APIs using pre-signed URL auth. |
media_jobs API with job_type=AudioConvert. Authentication is handled via pre_signed_url from the TOS Python SDK and the TOS identity declared in the metadata block above..pcm bytes.--wait flag.No reviews yet. Tell others what you thought.
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