Click the Cog Button next to Record from the Main Window to bring up the Recording Setup window.

These settings will need to be configured before starting a recording.

AVI

       

Filename

File to save the recording to.

System

Frame rate of the recording. (Set this to match the Frame Rate set under the Display tab under Settings)

Codec

Codec to use when recording.

For SD recordings the DV Video Encoder is recommended.

For HD recordings the MJPEG Encoder or MagicYUV codecs are recommended and come built in to vMix
3rd party codecs such as CineForm or HQX can also be used

File Format

AVI: Standard AVI file
MKV: The MKV file format supports partial recordings that can be recovered in the event of a power outage or system failure.

Audio

Enable audio on this recording and select the audio channels to include. See Output Audio Channels

Audio Delay

This sets a delay on the audio input in milliseconds. For example if the audio is earlier than the video by 200ms, type in 200 here.

New File Every

Automatically start a new recording every x minutes.
Each file is split seamlessly to enable easy editing.

FFMPEG

FFMPEG is an open source encoding tool that provides the ability to record to a number of formats including MPG, TS, MP4, MOV and MXF.

Codec
Select the recording format to use out of MPEG-2, MP4 X264 with AAC audio and VC-3

Format
Depending on the codec a number of file formats will be available.
MXF or the MOV/MP4 non-Indexed formats are recommended as they support file recovery in the event of a power or system failure.

MP4

      MP4 creates a video file containing H264 video and AAC audio.
      Due to the complexity of H264 compression, this option requires a faster processor for optimal performance.

      Bit Rate

      Select the Bit Rate for the H264 video stream in Mbps (Megabits per second). 25 is recommended for high quality HD (similar to AVCHD)

      Audio Bit Rate

      Select the Audio Bit Rate for the AAC audio stream in Kbps (Kilobits per second). A maximum of 192kbps can be selected. 128kbps is the default.

       

MPEG-2

    Options are the same as above but with the following additional settings:

    Bit Rate

    Specify the Bit Rate for the MPEG-2 recording in Mbps (Megabits per second). 8 is recommended for SD, 25 for HD.

    File Format

    Specify either Program Stream (MPG) or Transport Stream (TS)

    Transport Stream is recommended if the video will be edited by a program such as Sony Vegas.

WMV / WMV Streaming

HTTP Port (Streaming only)

Port that Windows Media Player can connect to to view the stream.

Width/Height

Width/Height of the WMV recording

Bitrate

Bitrate of the WMV recording

FPS

Frames Per Second

Quality

Quality from 1 to 100. 100 is the highest quality.

Codec

WMV codec to use. WMV1 is the fastest but the lowest quality. WMV3 is the slowest with the highest quality.

Audio Compression

WMV Audio Format to use