compression ratio TOYOTA PRIUS 2018 Accessories, Audio & Navigation (in English)

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2. RADIO OPERATION
PRIUS_Navi_OM47C01U_(U)
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NOTICE
●It is prohibited to copy, decompile, disas-
semble, reverse engineer, hack, manip-
ulate, or otherwise make available any
technology or software incorporated in
receivers compatible with the XM
Satellite Radio System or that support
the XM website, the Online Service or
any of its content. Furthermore, the
AMBE
® voice compression software
included in this product is protected by
intellectual property rights including pat-
ent rights, copyrights, and trade secrets
of Digital Voice Systems, Inc.
● Note: this applies to XM receivers only
and not XM Ready devices.
INFORMATION
●XM Radio Services ⎯Descriptions
• Radio and Entertainment XM offers more than 170 satellite radio
channels of commercial-free music
and premier sports, news, talk, and
entertainment. XM is broadcast via sat-
ellites to millions of listeners across the
continental United States. XM sub-
scribers listen to XM on satellite radio
receivers for the car, home, and porta-
ble use. More information about XM is
available online at www.siriusxm.com
(U.S.A.) or www.xmradio.ca (Canada).
INFORMATION
● XM Radio Services ⎯Subscription
Instructions
• For XM Services requiring a subscrip- tion (such as XM Radio, and some
Infotainment & data services), the fol-
lowing paragraph shall be included.
Required XM Radio and some Infotain-
ment & data services monthly sub-
scriptions sold separately after trial
period. Subscription fee is consumer
only. All fees and programming subject
to change. Subscriptions are subject to
the Customer Agreement available at
www.siriusxm.com. XM service only
available in the 48 contiguous United
States.  2011 Sirius XM Radio Inc.
Sirius, XM and all related marks and
logos are trademarks of Sirius XM
Radio Inc. All other marks, channel
names and logos are the property of
their respective owners.
For more information, program sched-
ules, and to subscribe or extend sub-
scription after complimentary trial
period; more information is available
at:
USA Customers:
Visit www.siriusxm.com or call
1-877-447-0011

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6. TIPS FOR OPERATING THE AUDIO SYSTEM
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This is a general term that describes the
process of writing data on-demand to CD-
R, etc., in the same way that data is writ-
ten to floppy or hard discs.
 This is a method of embedding track-
related information in an MP3 file. This
embedded information can include the
track number, track title, the artist’s name,
the album title, the music genre, the year
of production, comments, cover art and
other data. The contents can be freely
edited using software with ID3 tag editing
functions. Although the tags are restricted
to a number of characters, the information
can be viewed when the track is played
back.
 WMA files can contain a WMA tag that is
used in the same way as an ID3 tag. WMA
tags carry information such as track title
and artist name. 
This is the international standard for the
formatting of CD-ROM folders and files.
For the ISO 9660 format, there are 2 lev-
els of regulations.
 Level 1: The file name is in 8.3 format (8
character file names, with a 3 character
file extension. File names must be com-
posed of one-byte capital letters and num-
bers. The “_” symbol may also be
included.)
 Level 2: The file name can have up to 31
characters (including the separation mark
“.” and file extension). Each folder must
contain fewer than 8 hierarchies.
 MP3 is an audio compression standard
determined by a working group (MPEG) of
the ISO (International Standard Organiza-
tion). MP3 compresses audio data to
about 1/10 the size of that on conventional
discs.
 WMA (Windows Media Audio) is an audio
compression format developed by
Microsoft
®. It compresses files into a size
smaller than that of MP3 files. The decod-
ing formats for WMA files are Ver. 7, 8 and
9.
 This product is protected by certain intel-
lectual property rights of Microsoft Corpo-
ration and third parties. Use or distribution
of such technology outside of this product
is prohibited without a license from Micro-
soft or an authorized Microsoft subsidiary
and third parties.
 AAC is short for Advanced Audio Coding
and refers to an audio compression tech-
nology standard used with MPEG2 and
MPEG4.
TERMS
PACKET WRITE
ID3 TAG
WMA TAG
ISO 9660 FORMAT
MP3
WMA
AAC