B4X

OpenAI (ChatGPT) Create Transcription

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Show how to transcribe audio to text. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim http As ChilkatHttp
http.Initialize("http")

'  Implements the following CURL command:

'  curl https://api.openai.com/v1/audio/transcriptions \
'    -H "Authorization: Bearer $OPENAI_API_KEY" \
'    -H "Content-Type: multipart/form-data" \
'    -F file="@/path/to/file/audio.mp3" \
'    -F model="whisper-1"

'  Use the following online tool to generate HTTP code from a CURL command
'  Convert a cURL Command to HTTP Source Code

Dim req As ChilkatHttpRequest
req.Initialize
req.HttpVerb = "POST"
req.Path = "/v1/audio/transcriptions"
req.ContentType = "multipart/form-data"
success = req.AddFileForUpload2("file", "qa_data/mp3/Conversation-with-39-year-old-male-Virginia_afccal000227_001_00-03-37.mp3", "audio/mpeg")

req.AddParam("model", "whisper-1")

req.AddHeader("Expect", "100-continue")
'  This is NOT a real key.  Change the "sk-vi...." to your own key.
req.AddHeader("Authorization", "Bearer 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")

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpSReq("api.openai.com", 443, True, req, resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
resp.GetBodySb(sbResponseBody)

Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Header:")
    Log(resp.Header)
    Log("Failed.")
    Return
End If


'  Sample JSON response:
'  (Sample code for parsing the JSON response is shown below)

'  {
'    "text": "Imagine the wildest idea that you've ever had, and you're curious about how it might scale to something that's a 100, a 1,000 times bigger. This is a place where you can get to do that."
'  }

'  Sample code for parsing the JSON response...
'  Use the following online tool to generate parsing code from sample JSON:
'  Generate Parsing Code from JSON

Dim text As String = jResp.StringOf("text")