Diagnostic Procedures When Aac Decoding Has Failed - Pioneer DVR-660H-S Service Manual

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6.10 DIAGNOSTIC PROCEDURES WHEN AAC DECODING HAS FAILED

[1] AAC information
[Purpose]
A
AAC Error Information
[How to Enter]
Press [ESC], [DISP], [+10], then [1], in that order. The first screen is displayed.
To switch screens, press [DIG/ANA].
First screen
B
(Note 1)
Note 1: Startup status (OK/NG) of the external decoder
If the external decoder starts up normally, OK is displayed. If it fails to start up, NG is displayed. With NG, playback of any AAC
file will fail.
C
Second screen: Information on playback of MUSIC files
(Note 2)
D
Note 2:
ERROR information
If any error code is indicated in parentheses, a playback error has been generated. Each error code is displayed in its fixed
position. (The duration of error-code indication is short, because when an error is generated, playback of the next file is
automatically attempted.)
E
Description of error codes
FMT : The file cannot be recognized as having an MP4 file format.
DEC : Although the file is recognized as playable, the decoder could not decode the data of the file correctly.
CH : The number of channels is not supported.
QNT : The quantization bit rate is not supported.
BPS : The bit rate is not supported.
FS : The sampling frequency is not supported.
BOX : The file format is judged to be not supported upon analysis of the MP4 file.
PRF : The Advanced Audio Codec (AAC) is judged to be not playable.
MEM : The system failed to secure the amount of memory required for playback.
F
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