Swift

IBM Cloud - Text to Speech - Synthesize Audio (GET)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Swift

func chilkatTest() {
    var success: Bool = false

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

    let http = CkoHttp()!

    http.login = "apikey"
    http.password = "my_apikey"
    http.basicAuth = true

    // Use your base URL shown in the credentials web page (below your apikey)
    var myBaseUrl: String? = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8"

    let sbUrl = CkoStringBuilder()!
    sbUrl.append(value: myBaseUrl)
    sbUrl.append(value: "/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE")

    // Choose "audio/wav" for the output file type.
    var numReplaced: Int = sbUrl.replace(value: "ACCEPT_TYPE", replacement: http.urlEncode(str: "audio/wav")).intValue
    // See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
    numReplaced = sbUrl.replace(value: "CHOSEN_VOICE", replacement: "en-US_MichaelVoice").intValue
    var textToSynthesize: String? = "When life gives you lemons, order the lobster tail."
    numReplaced = sbUrl.replace(value: "TEXT_TO_SYNTHESIZE", replacement: http.urlEncode(str: textToSynthesize)).intValue

    // Send the GET to synthesize the voice.
    // The response file will be contained in bdResponseBody
    let bdResponseBody = CkoBinData()!
    success = http.quickGetBd(url: sbUrl.getAsString(), binData: bdResponseBody)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    var respStatusCode: Int = http.lastStatus.intValue
    print("response status code = \(respStatusCode)")

    if respStatusCode == 200 {
        success = bdResponseBody.writeFile(path: "qa_output/lobster.wav")
        print("Success!")
    }
    else {
        print("\(bdResponseBody.getString(charset: "utf-8")!)")
    }


}