Escient MP-150 Reply Formats of ‘00’ and ‘01’ are as follows, TRACK1INFO = wwwwxxxxyyyyzzzzzzz

EXTERNAL CONTROL PROTOCOL WD031-1-3 4/18/2005

xxxx= track number within the indicated group

yyyy= length of track info

zzzzzzz= track info (length depends on yyyy)

TRACK2INFO, etc… have the same format as TRACK1INFO

20	ESCX20170060002aa0004bbbb0004cccc0004dddd0004eeee0002ff
	aa = which list to get groups from, where
	91 = System Music Groups (sorted by Song)
	92 = User Music Groups (sorted by Song)
	97 = System HardDrive Music Groups (sorted by Song)
	98 = User HardDrive Music Groups (sorted by Song)
	bbbb = group number to get tracks for
	cccc = starting track number ( if 0, assume first track in group)
	dddd = ending track number ( if 0, assume last track in group )
	eeee = max number of tracks to be returned
	ff = reply format
	00 = Reply format uses track names (same as above)
	01 = Reply format uses file urls
	02 = Reply format uses detailed track info
	Reply Formats of ‘00’ and ‘01’ are as follows
	Reply Format: ESCX2017xxxTRACK1INFOTRACK2INFOetc…,
	Where xxx = total number of tracks multiplied by 2,
	Each TRACK is made of two items so:
	TRACK1INFO = wwwwxxxxyyyyzzzzzzz
	wwww = length of track number
	xxxx = track number within the indicated group
	yyyy = length of track info
	zzzzzzz = track info (length depends on yyyy)
	TRACK2INFO, etc… have the same format as TRACK1INFO
	Reply Format of ‘02’ is as follows
	Reply Format: ESCX2017xxxTRACK1INFOTRACK2INFOetc…,
	Where xxx = total number of tracks multiplied by 5
	Each TRACK is made of five items so:
	TRACK1INFO =
	wwwwWWWWxxxxXXXXXXXyyyyYYYYYYYzzzzZZZZaaaaAAAA
	wwww = length of track number
	WWWW = track number within the indicated group
	xxxx = length of track name
	XXXXXXX = track name (length depends on xxxx)
	yyyy = length of track url
	YYYYYYY = track url (length depends on yyyy)
	zzzz = length of track bitrate
	ZZZZ = track bitrate (length depends on zzzz)
	aaaa = length of track length
	AAAA = track length in seconds (length depends on aaaa)
	TRACK2INFO, etc… have the same format as TRACK1INFO

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