/span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">callback_buffer_size</span>
        <span class="n">json</span><span class="p">[</span><span class="s1">&#39;maxOutputChannelCount&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">max_output_channel_count</span>
        <span class="n">json</span><span class="p">[</span><span class="s1">&#39;sampleRate&#39;</span><span class="p">]