public Builder setNaturalSampleRateHertz(int value) {

      naturalSampleRateHertz_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
The natural sample rate (in hertz) for this voice.
</pre>

<code>int32 natural_sample_rate_hertz = 4;</code>

@param value The naturalSampleRateHertz to set.
@return This builder for chaining.
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/Voice.java