Main Stream

It is automatically set, if the entry was created through drag-n-dropping a file.

The description form to the right contains:

Name – name of the currently selected stream.

Stream Type – describes the stream type. It can be a Program, Video, Audio, Subtitles, etc. stream.

File Name contains the stream filename and path. You can enter a file name using the Browse  button next to the field or by typing the file name manually. After typing the file name, you have to press <Enter>, in order to save the changes.

Audio Level – describes the absolute audio level of an audio stream. Currently, this value should be entered manually. Defining it helps X-Pert Playout to determine the average audio level of each program in order to avoid annoying audio level discrepancies when switching from one program to another while on-air.

IN Point – By default it is 00:00:00:00. It can be changed by pressing the button in the right of the field. It invokes the Clip Trimmer and a new IN Point can be defined.

TIP (!) You can use the Clip Trimmer to split your media files into separate parts:

Press the In Point clock to invoke the Clip Trimmer. In it, use the cursor to locate the out point for a part and mark it by using the Split button:

You can create as many parts as you wish. After Pressing OK, all parts will be displayed under the Stream row.

OUT Point – By default it contains the latest available timecode, depending on the program duration. It can be changed by pressing the button in the right of the field. It invokes the Clip Trimmer and a new OUT Point can be defined.

Width – the Video Image width in pixels. This field is not available when describing a tape.

Height – the Video Image height in pixels. This field is not available when describing a tape.

Video Bit Rate – the Video bitrate extracted from the stream properties. This field is not available when a tape instance is being created.

Sample Rate – the Audio sampling rate.

Audio Bit Rate – Audio bitrate extracted from the stream properties. This field is not available when a tape instance is being created.

Channels – The number of audio channels found in the audio stream. This field is used only when describing files.

Frame Rate – The actual video frame rate of the stream.

Video Compression – the type of video stream compression.

Audio Compression – the type of audio stream compression.

Notes – Used for storing useful notes about the stream. It is a text field, limited to 255 symbols.

Part – The number of the part. By default, this field is set to ‘0’, i.e., there are no parts.

When the instance (copy) is not a file, the Main Stream fields are not applicable, except for the Stream Name, Stream Type, Note, and Part.

To add a new Stream, right-click on the Main Instance and select New stream from the context menu.

To delete a Stream, you should right-click on it and then click Delete from the context menu.