If you record with libopus (Output > Advanced > Custom FFmpeg recording ) up to 255 channels are available with mkv. No live streaming service supports beyond first-order ambisonics.įor recording, though for order 2 or 3, you can use pkviet's fork. (If it doesn't work, check with ffmpeg that it is decoded correctly.) Higher Order Ambisonics If you have an aac or uncompressed audio recording with 4 ambisonics, you can also play it by adding a Media Source. In order for this feature to work, obviously you will need an ambisonics capture device. When streaming to FB Live 360 the four channel rtmp stream will be interpreted as carrying ambisonics of order 1. To use the latter in Settings > Audio, select : channels > 4.0 aac codec is mandatory (if you use Recording > Custom FFmpeg > to URL > select flv container, with rtmp URL to FB live 360 and aac audio codec + x264 video codec). This is the case for Facebook Live 360 with spacial audio. Update the Wiki if you tested.Īlthough the channel layouts are tagged with position (2.1 5.1 etc), it is possible to encode your channels for ambisonics use provided your decoding application is setup to supply the ambisonics positions according to channel order.
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