Usb Device Requirements; Supported Audio File Formats; Usb Features - Onkyo TX-SR309 Instruction Manual

USB Features

USB Device Requirements

• USB mass storage device class (but not always
guaranteed).
• FAT16 or FAT32 file system format.
• Up to 255 folders can be displayed, and folders may be
nested up to 8 levels deep.
• USB hubs and USB devices with hub functions are not
supported.

Supported Audio File Formats

For and playback from a USB device, the AV receiver
supports the following music file formats.
Variable bit-rate (VBR) files are supported. (Playing times
may not display correctly.)
■
MP3 (.mp3 or .MP3)
• MP3 files must be MPEG-1/MPEG-2.5 Audio Layer 3
format with a sampling rate of 8 kHz, 11.025 kHz,
12 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz,
48 kHz and a bit-rate of between 8 kbps and 320 kbps.
Incompatible files cannot be played.
■
WMA (.wma or .WMA)
WMA stands for Windows Media Audio and is an audio
compression technology developed by Microsoft
Corporation. Audio can be encoded in WMA format by
using Windows Media
• WMA files must have the copyright option turned off.
• Sampling rates of 32 kHz, 44.1 kHz, 48 kHz and bitrates
of between 48 kbps and 320 kbps are supported.
• WMA DRM/Pro/Voice formats are not supported.
■
AAC (.aac/.m4a/.mp4/.AAC/.M4A or .MP4)
AAC stands for MPEG-2/MPEG-4 Audio.
• Sampling rates of 16 kHz, 22.05 kHz, 24 kHz, 32 kHz,
44.1 kHz, 48 kHz and bitrates of between 8 and
320 kbps, are supported.
■
FLAC (.flac or .FLAC)
FLAC is a file format for lossless audio data compression.
• Sampling rates of 32 kHz, 44.1 kHz and 48 kHz are
supported.
• Quantization bit: 16 bit, 24 bit
En
48
® Player.