앱스토어 미리보기 상세
APP PREVIEWS AND SCREENSHOTS App preview specifications You can provide app previews in tH.264 and ProRes 422 (HQ only) formats, with the following specifications. Video Specifications H.264 format ProRes 422 (HQ only) format Target bit rate 10-12 Mbps VBR ~220 Mbps Video characteristics Progressive, up to High Profile Level 4.0 Progressive, no external references Max frame rate 30 frames per second 30 frames per second Audio Stereo Codec: 256kbps AAC Sample Rate: 44.1kHz or 48kHz All tracks should be enabled Stereo configuration: 1 track with 2-channel stereo (1st channel L and 2nd channel R) 2 tracks with 1-channel stereo (1st track L and 2nd track R) Stereo Codec: PCM or 256kbps AAC Bit Depth (for PCM): 16-, 24-, or 32-bit Sample Rate: 44.1 or 48kHz All tracks should be enabled Stereo configuration: 1 track with 2-channel stereo (1st channel L and 2nd channel R) 2 tracks with 1-channel stereo (1...