Mentranskripsikan speech to text dengan menggunakan command line

Halaman ini menunjukkan cara mengirimkan permintaan pengenalan ucapan ke Speech-to-Text menggunakan antarmuka REST dan perintah curl.

Speech-to-Text memudahkan integrasi teknologi pengenalan ucapan Google ke dalam aplikasi developer. Anda dapat mengirim data audio ke Speech-to-Text API, yang kemudian menampilkan transkripsi teks dari file audio tersebut. Untuk mengetahui informasi selengkapnya tentang layanan ini, lihat Dasar-dasar Cloud STT.

Sebelum memulai

  1. Login ke akun Google Cloud Anda. Jika Anda baru menggunakan Google Cloud, buat akun untuk mengevaluasi performa produk kami dalam skenario dunia nyata. Pelanggan baru juga mendapatkan kredit gratis senilai $300 untuk menjalankan, menguji, dan men-deploy workload.

  2. In the Google Cloud console, on the project selector page, select or create a Google Cloud project.

    Roles required to select or create a project

    • Select a project: Selecting a project doesn't require a specific IAM role—you can select any project that you've been granted a role on.
    • Create a project: To create a project, you need the Project Creator role (roles/resourcemanager.projectCreator), which contains the resourcemanager.projects.create permission. Learn how to grant roles.

    Go to project selector

  3. Verify that billing is enabled for your Google Cloud project.

  4. Enable the Speech-to-Text APIs.

    Roles required to enable APIs

    To enable APIs, you need the serviceusage.services.enable permission. If you created the project, then you likely already have this permission through the Owner role (roles/owner). Otherwise, you can get this permission through the Service Usage Admin role (roles/serviceusage.serviceUsageAdmin). Learn how to grant roles.

    Enable the APIs

  5. Make sure that you have the following role or roles on the project: Cloud Speech Administrator

    Check for the roles

    1. In the Google Cloud console, go to the IAM page.

      Go to IAM
    2. Select the project.

    3. In the Principal column, find all rows that identify you or a group that you're included in. To learn which groups you're included in, contact your administrator.

    4. For all rows that specify or include you, check the Role column to see whether the list of roles includes the required roles.

    Grant the roles

    1. In the Google Cloud console, go to the IAM page.

      Go to IAM
    2. Select the project.
    3. Click Grant access.

    4. In the New principals field, enter your user identifier. This is typically the email address for a Google Account.

    5. Click Select a role, then search for the role.
    6. To grant additional roles, click Add another role and add each additional role.
    7. Click Save.

  6. Instal Google Cloud CLI.

  7. Jika Anda menggunakan penyedia identitas (IdP) eksternal, Anda harus login ke gcloud CLI dengan identitas gabungan Anda terlebih dahulu.

  8. Untuk melakukan inisialisasi gcloud CLI, jalankan perintah berikut: 

    gcloud init

  9. In the Google Cloud console, on the project selector page, select or create a Google Cloud project.

    Roles required to select or create a project

    • Select a project: Selecting a project doesn't require a specific IAM role—you can select any project that you've been granted a role on.
    • Create a project: To create a project, you need the Project Creator role (roles/resourcemanager.projectCreator), which contains the resourcemanager.projects.create permission. Learn how to grant roles.

    Go to project selector

  10. Verify that billing is enabled for your Google Cloud project.

  11. Enable the Speech-to-Text APIs.

    Roles required to enable APIs

    To enable APIs, you need the serviceusage.services.enable permission. If you created the project, then you likely already have this permission through the Owner role (roles/owner). Otherwise, you can get this permission through the Service Usage Admin role (roles/serviceusage.serviceUsageAdmin). Learn how to grant roles.

    Enable the APIs

  12. Make sure that you have the following role or roles on the project: Cloud Speech Administrator

    Check for the roles

    1. In the Google Cloud console, go to the IAM page.

      Go to IAM
    2. Select the project.

    3. In the Principal column, find all rows that identify you or a group that you're included in. To learn which groups you're included in, contact your administrator.

    4. For all rows that specify or include you, check the Role column to see whether the list of roles includes the required roles.

    Grant the roles

    1. In the Google Cloud console, go to the IAM page.

      Go to IAM
    2. Select the project.
    3. Click Grant access.

    4. In the New principals field, enter your user identifier. This is typically the email address for a Google Account.

    5. Click Select a role, then search for the role.
    6. To grant additional roles, click Add another role and add each additional role.
    7. Click Save.

  13. Instal Google Cloud CLI.

  14. Jika Anda menggunakan penyedia identitas (IdP) eksternal, Anda harus login ke gcloud CLI dengan identitas gabungan Anda terlebih dahulu.

  15. Untuk melakukan inisialisasi gcloud CLI, jalankan perintah berikut: 

    gcloud init

Membuat permintaan transkripsi audio

Gunakan contoh kode berikut untuk mengirim permintaan REST recognize ke Speech-to-Text API.

  1. Jalankan perintah ini untuk membuat file JSON sebagai input untuk permintaan. Ganti /full/path/to/audio/file.wav dengan jalur ke file audio yang ingin Anda transkripsikan:

    echo "{
  \"config\": {
    \"auto_decoding_config\": {},
    \"language_codes\": [\"en-US\"],
    \"model\": \"long\"
  },
  \"content\": \"$(base64 -w 0 /full/path/to/audio/file.wav | sed 's/+/-/g; s/\//_/g')\"
}" > /tmp/data.txt

  2. Gunakan curl untuk membuat permintaan recognize:

    curl -X POST -H "Content-Type: application/json; charset=utf-8" \
    -H "Authorization: Bearer $(gcloud auth print-access-token)" \
    -d @/tmp/data.txt \
    https://speech.googleapis.com/v2/projects/PROJECT_ID/locations/global/recognizers/_:recognize

    Anda akan melihat respons seperti berikut:

      {
    "results": [
      {
        "alternatives": [
          {
            "transcript": "how old is the Brooklyn Bridge",
            "confidence": 0.98267895
          }
        ]
      }
    ]
  }

Anda telah mengirimkan permintaan pertama ke Speech-to-Text.

Pembersihan

Agar akun Google Cloud Anda tidak dikenai biaya untuk resource yang digunakan di halaman ini, ikuti langkah-langkah berikut.

  1. Opsional: Cabut kredensial autentikasi yang Anda buat, dan hapus file kredensial lokal kredensial. 

    gcloud auth application-default revoke

  2. Opsional: Cabut kredensial dari gcloud CLI. 

    gcloud auth revoke

Konsol

  • Di Google Cloud konsol, buka halaman Manage resources.

    Buka Kelola resource

  • Pada daftar project, pilih project yang Anda ingin Anda hapus, lalu klik Delete.
  • Pada dialog, ketik project ID, lalu klik Shut down untuk menghapus project.

    • gcloud

    Menghapus a Google Cloud project:

    gcloud projects delete PROJECT_ID

    Langkah berikutnya