type: com.google.api.codegen.samplegen.v1p2.SampleConfigProto
schema_version: 1.2.0
samples:
- region_tag: speech_transcribe_multichannel_gcs
  title: Multi-Channel Audio Transcription (Cloud Storage)
  description: Transcribe a short audio file from Cloud Storage with multiple channels
  rpc: Recognize
  service: google.cloud.speech.v1.Speech
  request:
  - field: audio.uri
    value: "gs://cloud-samples-data/speech/multi.wav"
    input_parameter: storage_uri
    comment: URI for audio file in Cloud Storage, e.g. gs://[BUCKET]/[FILE]
  - field: config.audio_channel_count
    value: 2
    comment: The number of channels in the input audio file (optional)
  - field: config.enable_separate_recognition_per_channel
    value: true
    comment: |
      When set to true, each audio channel will be recognized separately.
      The recognition result will contain a channel_tag field to state which
      channel that result belongs to
  - field: config.language_code
    value: "en-US"
    comment: The language of the supplied audio
  response:
  - loop:
      variable: result
      collection: $resp.results
      body:
      - comment:
        - "%s to recognize which audio channel this result is for"
        - channel_tag
      - print:
        - "Channel tag: %s"
        - result.channel_tag
      - comment:
        - First alternative is the most probable result
      - define: alternative = result.alternatives[0]
      - print:
        - "Transcript: %s"
        - alternative.transcript