ZHCSO16A December 2021 – February 2023 DLPC4430
PRODUCTION DATA
The DLPC4430 controller introduces a variable number of field/ frame delays dependent on the source type and selected processing steps performed on the source. For optimum audio/ video synchronization this delay must be matched in the audio path. The following tables define various video delay scenarios to aid in audio matching.
Frame and Fields in table refer to source frames and fields.
Source | Frame Rate Conversion | FRC Type | Formatter Buffer | Total Delay |
---|---|---|---|---|
48 Hz Graphics | 1 Frame | Sync (1:1) | N Frames | 1 + N Frames |
50 Hz Graphics | 1 Frame | Sync (1:1) | N Frames | 1 + N Frames |
60 Hz Graphics | 1 Frame | Sync (1:1) | N Frames | 1 + N Frames |
100 and 120 Hz Graphics | 1 Frame | Sync (1:1) | N Frames | 1 + N Frames |
100 and 120 Hz Graphics (3D) | 1 Frame | Sync (1:2) | M Frames | 1 + M Frames |