26
FILE FORMATS
139
26.9
MP4
note: this refers to MP4 files as required by the player in the VSH
Video Limitation
Resolution: 320 x 240 (QVGA), Nonstandard resolutions can be used but are still limited to the 76,800 pixel resolution of QVGA.
Codec: MPEG-4 SP (Simple Profile), which has different headers than the more common MPEG-4 formats.
Audio Limitation
Codec: AAC
Sampling Rate: 24000hz
Bitrate Limitation: 1-768kb/s & 1500kb/s. Any combination of video and audio bitrate that is equal to or less than 768kb/s is
acceptable (i.e. 640kb/s video + 128kb/s audio = 768kb/s total, or 300kb/s video + 32kb/s audio = 332kb/s total). The PSP also
supports a bitrate of 1500kb/s, but no bitrates inbetween 768kb/s and 1500kb/s.
note: ffmpeg can create PSP compatible mpeg4 files using the ’3gp’ profile
26.10
AT3
26.11
PNG
these are standard PNG image files.
Summary of Contents for PlayStationPortable
Page 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Page 116: ...14 WLAN 116 14 WLAN ...
Page 117: ...15 USB PORT 117 15 USB Port ...
Page 118: ...16 UMD 118 16 UMD ...
Page 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Page 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Page 141: ...28 IPL 141 28 IPL ...