Text Independent - Verify Profile

  • Reference
Service:
Speaker Recognition
API Version:
2021-09-05

Verify Profile
Verifies existing profiles against input audio.

Limitations:

  • Minimum audio input length is 1 second
  • Maximum audio input length is 120 seconds
  • Minimum effective speech length (excluding silence and other "non-speech" frames) is 4 seconds This limitation can be disabled by setting "ignoreMinLength" to true.
  • Minimum audio Signal-to-noise ratio (SNR) is 2dB
POST {endpoint}/speaker-recognition/verification/text-independent/profiles/{profileId}:verify?api-version=2021-09-05
With optional parameters: 
POST {endpoint}/speaker-recognition/verification/text-independent/profiles/{profileId}:verify?api-version=2021-09-05&ignoreMinLength={ignoreMinLength}

URI Parameters

Name In Required Type Description
endpoint
 path True
  • string

Supported Cognitive Services endpoints (protocol and hostname, for example: https://westus.api.cognitive.microsoft.com).
profileId
 path True
  • string
uuid

Unique identifier for profile id (guid).
api-version
 query True
  • string

Specifies the version of the operation to use for this request.
ignoreMinLength
 query
  • boolean

If true, a voice print will be created immediately for this profile regardless of how much speech is supplied or stored. Default is false.

Request Header

Media Types: "audio/wav; codecs=audio/pcm"

Name Required Type Description
Ocp-Apim-Subscription-Key True
  • string

Request Body

Media Types: "audio/wav; codecs=audio/pcm"

Name Type Description
audioData
  • object

Binary audio file. Supported formats are audio/wav; codecs=audio/pcm. Supports audio up to 5MB.

Responses

Name Type Description
200 OK

OK
Other Status Codes

Failure

Headers

  • x-ms-error-code: string

Security

Ocp-Apim-Subscription-Key

Type: apiKey
In: header

Examples

Successful Query

Sample Request

POST https://westus.api.cognitive.microsoft.com/speaker-recognition/verification/text-independent/profiles/49a36324-fc4b-4387-aa06-090cfbf0064f:verify?api-version=2021-09-05
Ocp-Apim-Subscription-Key: {API key}
Request Body
"{binary file date}"

Sample Response

Status code:
200 
Content-Type: application/json
Response Body
{
  "recognitionResult": "accept",
  "score": 0.63
}
Status code:
default 
Content-Type: application/json
x-ms-error-code: Error Code
Response Body
{
  "error": {
    "code": "Error Code",
    "message": "Erro Messae"
  }
}

Definitions

Error
RecognitionInfo

Speaker recognition result
ResultType

Does audio belong to targeted profile?
SpeakerErrorInfo

Speaker error message

Error

Name Type Description
code
  • string
message
  • string

RecognitionInfo

Speaker recognition result

Name Type Description
recognitionResult

Does audio belong to targeted profile?
score
  • number

A float number indicating the similarity between input audio and targeted voice print. This number must be between 0 and 1. A higher number means higher similarity.

ResultType

Does audio belong to targeted profile?

Name Type Description
accept
  • string
reject
  • string

SpeakerErrorInfo

Speaker error message

Name Type Description
error