Try the Speechace API

In this guide, sample code snippets are provided. These samples can be used to explore and understand the different types of API responses that may encountered.

Instructions to get started with Speechace API

1. Download the following audio files:

• apple.wav - contains the native English pronunciation for the word apple.

• someparents.wav - contains the native English pronunciation for the sentence: "Some parents admire famous athletes as strong role models, so they name their children after them".

19KB

apple.wav

20KB

someparents.wav

1. Use the following example request to evaluate the pronunciation quality of the "Apple.wav" file available above:

cURL for apple.wav

curl --form text='apple' --form user_audio_file=@/path/to/apple.wav "https://api.speechace.co/api/scoring/text/v9/json?key=Insert_Your_API_Key_Here" | python -m json.tool

You can follow the link to try out these requests in Postman by clicking on "Run in Postman".

We can also evaluate .mp3 files and many other audio format.

1. The expected response for above cURL command for the audio "Apple.wav", is as follows:

200 OK: Score a word

{
  "status": "success",
  "quota_remaining": -1,
  "text_score": {
    "text": "apple",
    "word_score_list": [
      {
        "word": "apple",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "ae",
            "stress_level": 1,
            "extent": [
              12,
              27
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 2,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "ae"
          },
          {
            "phone": "p",
            "stress_level": null,
            "extent": [
              27,
              39
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "p"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              39,
              42
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
              42,
              54
            ],
            "quality_score": 98.5,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "l"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 1,
            "stress_level": 1,
            "letters": "ap",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 2,
            "extent": [
              12,
              27
            ]
          },
          {
            "phone_count": 3,
            "stress_level": 0,
            "letters": "ple",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              27,
              54
            ]
          }
        ]
      }
    ],
    "ielts_score": {
      "pronunciation": 9
    },
    "pte_score": {
      "pronunciation": 90
    },
    "speechace_score": {
      "pronunciation": 100
    },
    "toeic_score": {
      "pronunciation": 200
    },
    "cefr_score": {
      "pronunciation": "C2"
    }
  },
  "version": "9.3"
}

Related Guide: Pronunciation Scoring