- node->add_child("AudioChannels")->add_child_text (lexical_cast<string> (audio_channels ()));
- node->add_child("AudioLength")->add_child_text (lexical_cast<string> (audio_length().get ()));
- node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (content_audio_frame_rate ()));
+ node->add_child("AudioChannels")->add_child_text (raw_convert<string> (audio_channels ()));
+ node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio_length().get ()));
+ node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio_frame_rate ()));