Update

            <defaultOutputDevice>Speaker</defaultOutputDevice>

            <mixPorts>

                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY">

                    <profile name="" format="AUDIO_FORMAT_PCM_32_BIT"

                             samplingRates="44100,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>

                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"

                             samplingRates="44100,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>

                </mixPort>