7. Click to select the Audio tab. In the Basic Audio Settings section, make sure 48000 Hz is
chosen from the Sample Rate menu and choose 16-bit from the Sample Size menu. Just
below that, in the Audio Channel Configuration area, choose Stereo from the Output
Channels menu.Tip
HEVC/H.265 is a new compression system formulated by the same Motion Picture
Experts Group that brought us H.264. It’s more efficient, but fewer players support it.
You may be asked to supply media using this codec when producing UHD content.8. Click the Export button at the bottom of the dialog box to export the sequence and
transcode it to a new media file. Files encoded with the GoPro CineForm codec cannot
usually be previewed in macOS or Windows. Import the file into Premiere Pro, to preview
and edit it.The most popular delivery format and codec is an MPEG4 (.mp4) file, using the H.264 codec. If
you choose H.264 in the Format menu, you’ll find presets for YouTube and Vimeo.
Cropping the source image
Moving to the left side of the Export Settings dialog box, you will find the Source and Output
tabs.
Click the Source tab to bring it to the front. The Source tab gives access to cropping controls.
1. Click the Crop The Output Video button to enable the controls.You can enter specific settings (in pixels) at the top of the dialog box or drag the handles in
the Source preview to crop the image.