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Sony Ericsson K618i - page 1
Generated by Clearspace on 2008-05-18-05:00 1 Formatting video for local playback Introduction This document introduces the broader concepts of digital video multimedia, and the specific details of formatting video for Sony Ericsson phones using local storage and playback. A practical example of the process is also included. People who may benefit ...
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Sony Ericsson K618i - page 2
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 2 W810 W810i, W810c, W810a W800 W800i, W800c W600 W600i W550 W550i, W550c W300 W300i, W300c Z610 Z610i Note: Other Sony Ericsson phones can support the same containers and compression codecs as the phones listed here, however the exact parameters needed to encode videos ...
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Sony Ericsson K618i - page 3
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 3 Sampling - The act of taking a portion of one sound recording, the sample, and reusing it as an instrument or element of a new recording. Stereo Sound - Audio consisting of two channels, left and right. Streaming - A method for making audio, video and other multime ...
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Sony Ericsson K618i - page 4
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 4 MPEG - Moving Picture Experts Group, develops standards for digital video and digital audio compression. The MPEG standards are an evolving series, each designed for a different purpose. MPG - MPEG-1 file. OGG - Ogg Vorbis Codec Compressed WAV File. An open source ...
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Sony Ericsson K618i - page 5
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 5 Resolution Both visible and audible information are naturally analogue mediums. This analogue information must be sampled to be stored digitally. The number of samples dictates the resolution of the digital copy, with more samples improving the resolution and definiti ...
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Sony Ericsson K618i - page 6
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 6 Video codecs include MPEG-1 and MPEG-2 as used for DVDs, and the many extensions and implementations of MPEG-4 such as WMV9, H.264, DivX, and so on. Common audio codecs include MP3, OGG, AAC, WMA, and AMR. {*}Containers{*} The separate data streams are almost always m ...
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Sony Ericsson K618i - page 7
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 7 Audio codec Advanced Audio Coding (AAC) compression has a standard profile known as Low Complexity, or LCAAC. As the name suggests it is a computationally cheap form of compression, requiring little processor time. Originally designed for the MPEG-2 format as a more e ...
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Sony Ericsson K618i - page 8
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 8 {*}Recommended video and audio stream parameters{*} Recommended audio codecs, bitrates, and parameters The table below shows suggested values when encoding video and audio streams for local playback on Sony Ericsson phonesThe basic video parameters will offer basic qu ...
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Sony Ericsson K618i - page 9
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 9 Using parameters somewhere between the basic and optimal values can be practical when the file size of multimedia content is a concern. Bit rate values can be used to control file size. When reducing bit rate by a large extent it is also advised to scale the frame rat ...
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Sony Ericsson K618i - page 10
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 10 Mobile phones have limited audio amplification power, so it is useful to make the audio stream as loud as possible, without compressing dynamic range. This can be done through a technique known as peak normalisation, which will increase the volume of the entire audio ...
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Sony Ericsson K618i - page 11
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 11 Software set-up 1. Install the required software, see "Required software" 2. Select a folder on your computer as a location for saving files, for example, C:videos. Whatever location you select will be referred to in this document as the working directory. ...
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Sony Ericsson K618i - page 12
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 12 8. In the Properties dialog that appears, check the Normalize option. Click Ok to return to the main window. This will normalise the audio volume level, making the best use of the limited volume on mobile phones. Exporting the formatted video project 1. On the menu s ...
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Sony Ericsson K618i - page 13
Formatting video for local playback Generated by Clearspace on 2008-05-18-05:00 13 This extends to the exact specifications and practical details of data stream compression and using suitable containers. Optional extra processes and suggestions can be employed to further enrich the level of quality at which the multimedia video content is delivered ...
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