|
|
The
VideoClipstream Video export options
There are many factors
to consider when selecting custom settings or deciding to load one of
the pre-set VideoClipstream™
Premiere Plug-in settings. The ability to play a movie smoothly
may need to be compromised to allow playback across a variety of connections.
Uploading and testing may need to be performed more than once in order
to arrive at an acceptable compromise for each speed.
Step-by-step:
- Edit the video
in Premiere and then right click on the movie and 'Get
Properties' (click to view). Take note of the Frame Rate,
Image size, and Audio Compressor (in case of QDesign Music 2 in Quick
Time, audio
may need to be down sampled manually). View
a Properties box Screenshot
- Once editing of
the video has been completed in Premiere, go to File>Export>Movie
and a dialogue
box (click to view) will appear.
- Click on the Settings
tab.
- For File type,
select VideoClipstream™
Movie from the pull down menu.
- Uncheck 'Open when
Finished' if it is selected.
- Take note of the
Range; Choose
'Entire Clip' unless a specific portion of a project is desired.
- Go to Video
Settings
In
the Video Settings section, consider the Frame size first with
the following in mind:
- Try to match the
ratio of the source frame size to keep the same aspect. Keep in mind
that the larger the size, the poorer the quality will have to be.
- 4:3 aspect is consistent
with standard television size / 16:9 aspect is common for films
- For larger frame
dimensions, the quality and frame rate will need to be lowered for a
quality stream.
- Frame sizes will
vary depending on the application. The chart below is only a general
guideline for reasonable frame sizes at different connection speeds:
| Connection
speed |
28k
|
56k
|
100k
|
150k
|
200k
|
300k
|
500k
|
| Frame
size |
160x120
|
160x120
|
200x152
|
240x176
|
288x216
|
304x224
|
320x240
|
Now,
in the same Video Settings section, look at the Frame rate
- The
encoded file should match a fraction of the source frame rate. For example,
encode a 24FPR file at 12FPM, 6FPM, or 3 FPM for best results.
- For faster frame
rates, the frame size and quality will need to be lowered for a quality
stream.
- To select a frame
rate that is not included in Premiere's default settings, go to Video
Settings, click 'Configure' and select the desired setting in Frame
Rate Adjustment. The specified frame rate can be altered by selecting
every second, third, etc. frame. Example; to get a frame rate of 7.5fps,
select 15fps and then Every Second Frame in Frame Rate Adjustment. View
a Screenshot
- Some frame rate
samples are found on the Frame
Rate Comparison Page. They may help determine what frame rate may
be optimal for a project.
- Guidelines for
reasonable frame rates for different connection speeds:
| Connection
speed |
28k
|
56k
|
100k
|
150k
|
200k
|
300k
|
500k
|
| Frame
rate |
.5
to 2
|
1
to 5
|
3
to 6
|
5
to 10
|
6
to 12
|
8
to 12
|
8
to 15
|
Quality
- setting the quality
too high will affect the streaming.
- Setting the quality
below 20 is not recommended.
- Here is a general
guideline for setting the quality:
| Connection
speed |
28k
|
56k
|
100k
|
150k
|
200k
|
300k
|
500k
|
| Quality
|
20
|
30
|
35
|
40 to 55
|
40 to 55
|
50-65
|
80-90
|
Data Rate
- The data rate must
be limited with the viewers' anticipated speed in mind.
- Bit rate minus
audio data rate divided by 8 equals data rate. Therefore, data rates
should coincide with each other (example: for a 56k sample, if the audio
data rate has been set at 16, the data rate should be set to 4)
- The following chart
is a guide for data rates at different speeds:
| Connection
speed |
28k
|
56k
|
100k
|
150k
|
200k
|
300k
|
500k
|
| Data
rate |
2 or 1
|
4 or 5
|
10
|
16
|
22
|
37
|
58
|
| Audio
Data rate |
8 or12
|
16 or 8
|
20
|
20
|
20
|
20
|
32
|
Also visit the
Audio
Options page.
|