Esato

Forum > Sony Ericsson / Sony > General > Mp4/3gp frame rate slow down K750i

Author Mp4/3gp frame rate slow down K750i
03029646
K800 Black
Joined: Jun 30, 2005
Posts: 15
PM
Posted: 2005-07-04 16:24
Reply with quoteEdit/Delete This PostPrint this post
I have been experiencing problems with mp4 and 3gp playback on my k750i. Using Nero Recode, Mpegable and Im-too I have encountered the same frame stutter during complex scenes of motion.
I started by encoding video streams at 150kbps, 25fps, 176 x 144 resolution with 40kbps audio but found from memory stick and phone memory the video would slow down and even stop at scenes of high motion.
I have run more tests using lower bit rates of 80 kbps and found the video smoother but still with the occasional slowdown.
I have read posts on Esato claiming that the K750 is capable of playing mp4 movies with bit rates exceeding 200kbps. I agree that this is possible especially as my Nokia 6230 will play 3gp files encoded at 250kbps +
I have tested a variety of files and experienced the same problem using a friend’s k750i.
I’m currently only using the included memory stick duo but plan to upgrade to a memory stick duo pro 1GB. Could anyone confirm if this could improve the playback of 3gp/Mp4 movies? I cannot believe a 6230 would outperform a k750i in this area.
Any suggestions would be appreciated.

Ps problem existed with original firmware and still exists with Firmware version R1L002 despite R1J002 claiming improvement to video playback.

R1J002
- Released on SEUS 13/6/05
- Standby crash fixed / improved.
- Increased call and Media Player volume.
- Games menu operates much more smoothly.
- Smoother video playback
- General UI performance improvements
- Improvements and bug fixes to Bluetooth headset support.
- The auto focus beep sound has been changed.
- Saving a photo to the Memory Stick is now quicker.
- New MP3 folder on Memory stick
- Fixed the month names in the calendar for various european languages.
- Camera sounds are muted when in silent mode in some firmware locales (EU_1 , but not EU_3).
- Minimised Media Player icon changed.
- SMS 'to' text now black (previously white).
- A "Fully Charged" message is now displayed on screen when the phone has finished charging.
* PROBLEM: GPRS comms has been broken on many O2 phones and some phones from other service providers.
* PROBLEM: Video recording quality (bitrate) has been reduced.
- JBenchmark 1 - approx 3908
- JBenchmark 2 - approx 344
- JBenchmark 3D LQ - approx 205
- JBenchmark 3D HQ - approx 114
- Software versions:
LCD 0
Camera 4.4
ITP CXC 125 932 R1B


[ This Message was edited by: 03029646 on 2005-07-04 20:01 ]
Arne Anka
Sony Xperia P
Joined: Nov 05, 2003
Posts: > 500
From: Sweden
PM
Posted: 2005-07-04 19:24
Reply with quoteEdit/Delete This PostPrint this post
Check out this thread where K750 playback capabilities are discussed. It may be of some help.

http://www.esato.com/board/viewtopic.php?topic=95308&start=0
03029646
K800 Black
Joined: Jun 30, 2005
Posts: 15
PM
Posted: 2005-07-04 20:55
Reply with quoteEdit/Delete This PostPrint this post
Thank you for your help I have mentioned the problem within this post. It seems other users are using high bitrates without the slowdown.
Access the forum with a mobile phone via esato.mobi