public java.lang.String getEffectsProfileId(int index) {
      return effectsProfileId_.get(index);
    }
<pre>
Optional. Input only. An identifier which selects 'audio effects' profiles
that are applied on (post synthesized) text to speech. Effects are applied
on top of each other in the order they are given. See
[audio
profiles](https://cloud.google.com/text-to-speech/docs/audio-profiles) for
current supported profile ids.
</pre>

<code>
repeated string effects_profile_id = 6 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
</code>

@param index The index of the element to return.
@return The effectsProfileId at the given index.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AudioConfig.java