UnityWebRequestMultimedia audio not playing on Oculus Go

[youjeanz]

Hi, so we have a text-to-speech method that downloads audio from a url. This audio works perfectly fine on the "play mode" of Unity, however, when trying  to run the build on the Oculus Go, the audio from the text-to-speech doesn't seem to be playing at all. All the audios except text-to-speech seem to be doing perfectly fine on the Oculus though. Moreover, it doesn't seem to be a network error as proven through the if/else statement in the code. We're not sure if it's an issue based on formatting or just the UnityWebRequest audio handling.

Here's the part of the code that does text-to-speech (C#)

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    IEnumerator DownloadTheAudio(string speech) {

       //Debug.Log("general speak method");

       string url = "https://translate.google.com/translate_tts?ie=UTF-8&total=1&idx=0&textlen=32&client=tw-ob&q="+speech+"&tl=en-US";

       using (UnityWebRequest www = UnityWebRequestMultimedia.GetAudioClip(url, AudioType.MPEG)) {

           yield return www.Send(); ;

           if (www.isNetworkError)

           {

               Debug.Log(www.error);

               yield break;

           }

           else

           {

               //_audio is declared inside the class as "public AudioSource _audio"

               AudioClip myClip = DownloadHandlerAudioClip.GetContent(www);

               _audio.clip = myClip;

               _audio.Play();

           }

       }

   }

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And here's a sample method that would run that script vvv

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    public void Greet() {

        string person = "Bob";

        string speech = "Nice to meet you " + person;

        StartCoroutine(DownloadTheAudio(speech));

    }

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