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Lo/Ro center, Lo/Ro surround, Lt/Rt center, Lt/Rt surround (for surround sound output): Use these pop-up menus to set the decibel level at which the surround and center channels are downmixed. Important: The LFE signal may be discarded by the Dolby Digital downmix process.
#Dolby digital cinema how to
Stereo downmix: Use this pop-up menu to set how to downmix a surround signal to a stereo signal. Surround Encoded: Tells the playback device that the bitstream was encoded in Dolby Digital Surround EX. Not Encoded: Tells the playback device that the bitstream was not encoded in Dolby Digital Surround EX. Not Indicated: Does not send the playback device information about whether the bitstream was encoded in Dolby Digital Surround EX. Surround EX Mode: When using a 5.1 (L R C LFE Ls Rs), 5.0 (L R C Ls Rs), 4.1 (L R LFE Ls Rs), or 4.0 (L R Ls Rs) layout, this property tells the playback device whether the audio has been encoded in Dolby Digital Surround EX. Surround Encoded: Tells the playback device that the bitstream contains information encoded in Dolby Surround. Not Encoded: Tells the playback device that the bitstream contains information not encoded in Dolby Surround. Not Indicated: Does not send the playback device information about whether the bitstream was encoded in Dolby Surround.
#Dolby digital cinema pro
Surround mode: When using a Mono or Stereo (L R) channel layout, this property tells the playback device whether the two-channel encoded bitstream contains a Dolby Surround (Lt/Rt) program that requires Dolby Pro Logic decoding.
#Dolby digital cinema plus
For Dolby Digital Plus encoding, a rate of 192 kbps is recommended.īit stream mode: Use this pop-up menu to define the audio service contained within the Dolby Digital or Dolby Digital Plus bitstream. For Dolby Digital 5.1 encoding, a rate of 384 kbps is recommended.
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Tip: For stereo encoding, rates of 192 kbps and 224 kbps are typical and will produce good results. For example, if you add a 10-second source file with a frame rate of 24 fps to Compressor, set the “Frame rate” property in the Video inspector to 25 fps, and then select “So source frames play at 25 fps” in the General inspector, the resulting duration of the transcoded clip (at 25 fps) will be 9 seconds and 15 frames.įor more information, see Retime video and audio using Compressor. This property has no effect unless the “Frame rate” value in the Video inspector is different from the source file’s frame rate. So source frames play at fps: Nondestructively changes the playback speed of the clip without discarding frames or creating new frames. Enter a timecode duration in the field or click the arrows to increase or decrease the time. Enter a value in the percentage field or choose a preset value from the adjacent pop-up menu (with a down arrow). Set to percent of source using: Modifies the output clip’s speed by a percentage of the source clip’s speed. Sets the processing algorithm used to adjust the frame rate during transcoding.