PYLE Audio PLCDCS220MP owner manual WMA Operation, Audio DSP MP3/WMA Decoder, Disc Note

OPERATION

WMA OPERATION

The unit that can play the WMA disc and the operation is the same with MP3 operation described above.

AUDIO DSP (MP3/WMA DECODER)

The audio DSP converts MP3/WMA stream data from the CD-ROM decoder to PCM data.

The following standards and bit rate are supported.

Standard	Bit Rate (kbps)	Supported Mode
MPEG1 Audio	320,256,224,	STEREO
LAYER3	192,160,128,	JOINT STEREO
(48kHz/	112,96,80,64,	DUAL CHANNEL
44.1kHz/	56,48,40,32	SINGLE CHANNEL
32kHz)
MPEG2 Audio	160,144,128,	STEREO
LSF LAYER3	112,96,80,64,	JOINT STEREO
(24kHz/	56,48,40,32,	DUAL CHANNEL
22.05kHz/	24,16,8	SINGLE CHANNEL
16kHz)
Windows	48	STEREO
Media Audio
(32kHz)
Windows	48	SINGLE CHANNEL
Media Audio
(44.1kHz)
Windows	320,256,192,	STEREO
Media Audio	160,128,96,
(44.1kHz)	80,64,48
Windows	192,160,128	STEREO
Media Audio
(48kHz)

The audio DSP automatically identifies the supported bit rate and mode, and sampling frequency. MP3 and WMA must be identified by the microcontroller.

CAUTION: VBR of WMA can be played back if the bit rate is 48 kbps or higher. If a bit rate of less than 48 kbps exists in a stream, that stream cannot be correctly played back.

You are suggested to play the WMA stream data with the sampling frequency of 44.1kHz and the bit rate over 128kbps, then you can get better effect.

DISC NOTE

A. Notes on discs:

1.Attempting to use non-standard shape discs (e.g. square, start, heart) may damage the unit. Be sure to use round shape CD discs only for this unit.

2.Do not stick paper or tape etc., onto the label side or the recording side of any discs, as it may cause a malfunction.

3.Dirt, dust, scratches and warping discs will cause misoperation.

B.Notes on CD-Rs (recordable CDs)/CD-RWs (rewritable CDs):

1. Be sure to use discs with following marks only for the unit to play:

Recordable Rewritable

2.The unit cannot play a CD-R and CD-RW that is not finalized. (Please refer to the manual of your CD-R/CD-RW recorder or CD-R/ CD-RW software for more information on finalization process).

3.Depending on the recording status, conditions of the disc and the equipment used for the recording, some CD-Rs/CD-RWs may not be

played on this unit. (See *1)

*1: To have more reliable play back, please see following recommendations:

a. Use CD-RWs with speed 1x to 4x and write with speed 1x to 2x.

b.Use CD-Rs with speed 1x to 8x and write with speed 1x to 2x.

c. Do not play a CD-RW which has been written for more than 5 times.

C. Notes on MP3 files (MP3 Version Only):

1.The disc must be in the ISO9660 level 1 or level 2 format, or Joliet or Romeo in the expansion format.

2.When naming a MP3 file, be sure the file name extension is “.MP3”.

3.For a non-MP3 file, even though the file name extension is “.MP3”, the unit cannot recognize it.

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