compression ratio TOYOTA COROLLA 2019 Owners Manual (in English)

3025-6. Using an external device
COROLLA_TMMMS_TMMC_U
■USB memory functions
●Depending on the USB memory device that is connected to the sys tem, the
device itself may not be operable and certain functions may not be avail-
able. If the device is inoperable or a function is unavailable due to a mal-
function (as opposed to a system specification), disconnecting the device
and reconnecting it may resolve the problem.
● If the USB memory device still does not begin operation after b eing discon-
nected and reconnected, format the memory.
■ Error messages for USB memory
■ USB memory
●Compatible devices
USB memory device that can be used for MP3, WMA and AAC playbac k.
● Compatible device formats
The following device format can be used:
• USB communication format: USB 2.0 HS (Mbps) and FS (12 Mbps)
• File system format: FAT16/32 (Windows)
• Correspondence class: Mass storage class MP3, WMA and AAC files written to a device with any format othe r than
those listed above may not play correctly, and their file names and folder
names may not be displayed correctly.
Items related to standards and limitations are as follows:
• Maximum directory hierarchy: 8 levels
• Maximum number of folders in a device: 3000 (including the roo t)
• Maximum number of files in a device: 9999
• Maximum number of files per folder: 255
● MP3, WMA and AAC files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format .
Files can be compressed to approximately 1/10 of their original size using
MP3 compression.
WMA (Windows Media Audio) is a Microsoft audio compression format. This
format compresses audio data to a size smaller than that of the MP3 format.
AAC is short for Advanced Audio Coding and refers to an audio c ompression
technology standard used with MPEG2 and MPEG4.
MP3, WMA and AAC file and media/ formats compatibility are limited.
MessageCause/Correction procedures
“Connection error. Please
consult your Owner’s Man-
ual for instructions on how
to connect the USB device.”
This indicates a problem with the USB mem-
ory device or its connection.
“No music files found.”This indicates that no MP3/WMA/AAC files
are included on the USB memory device.