Newbie needs help, Why are rendered MPEG-4 files so large?

[lata]

Hi zaphodikus

Using the 5fps video and Video Studio…….

Choose the Custom option and try rendering to QuickTime Mov file, use the “Mpeg4 Visual” compression option.
Set the Frame Size and Frame rate by User Defined.

Seems a little strange to use such a low frame rate especially with the high frame size, doesn’t seem right, Hmmm should be ok to display still images but any movement is probably gonna look poor.

When you say you need small files, that compromises quality, so how small is small?
The data rate generally controls quality against file size.

Have you considered using Camtasia to create WMV files.
Do a few output tests to compare file size. Increase your frame rate to 25 / 30fps to make a more compliant video file.

[asik1]

Here what I have.
Your mp4 clip info:
General
Complete name : 2015-06-25 08.37 Conrad_s Corner.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 1.66 MiB
Duration : 56s 0ms
Overall bit rate : 249 Kbps
Encoded date : UTC 2015-06-25 07:38:23
Tagged date : UTC 2015-06-25 07:38:35

Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L3.1
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 55s 400ms
Bit rate mode : Variable
Bit rate : 185 Kbps
Width : 1 912 pixels
Original width : 1 920 pixels
Height : 1 088 pixels
Original height : 1 080 pixels
Display aspect ratio : 16:9
Original display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 5.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.018
Stream size : 1.22 MiB (74%)
Title : Citrix h264 stream handler
Language : English

Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 56s 0ms
Bit rate mode : Constant
Bit rate : 64.0 Kbps
Channel(s) : 1 channel
Channel positions : Front: C
Sampling rate : 16.0 KHz
Compression mode : Lossy
Stream size : 438 KiB (26%)
Title : AAC stream handler
Language : English

My own HD 25fps video rendered with the 5fps profile

General
Complete name :\VS7work\5fps.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 2.71 MiB
Duration : 30s 720ms
Overall bit rate : 740 Kbps
Encoded date : UTC 2015-06-25 12:57:35
Tagged date : UTC 2015-06-25 12:57:35

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L4.0
Format settings, CABAC : No
Format settings, ReFrames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 30s 690ms
Bit rate mode : Variable
Bit rate : 675 Kbps
Maximum bit rate : 187 Kbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 5.018 fps
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.065
Stream size : 2.47 MiB (91%)
Language : English
Encoded date : UTC 2015-06-25 12:57:35
Tagged date : UTC 2015-06-25 12:57:35
Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
Transfer characteristics : BT.709-5, BT.1361
Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 30s 720ms
Bit rate mode : Constant
Bit rate : 64.0 Kbps
Channel(s) : 1 channel
Channel positions : Front: C
Sampling rate : 16.0 KHz
Compression mode : Lossy
Stream size : 241 KiB (9%)
Language : English
Encoded date : UTC 2015-06-25 12:57:35
Tagged date : UTC 2015-06-25 12:57:35