Sangean DDR-63+ (V1) - Manual (Page 105)

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Audio codecs
Your radio supports a range of audio codecs which provide compatibility
with a wide range of Internet Radio stations. These also allow users to
stream music from their computers or to play directly from USB and
SD/SDHC fl ash memory devices. Note that for any given audio codec,
there are many streaming protocols available, and thus even if an Internet
Radio station uses a supported format, this does not guarantee that every
such station will work with your radio. The radio stations database to which
your radio connects is checked for compatibility so that most stations should
be playable without problems. Similarly when streaming media from a
computer, while a codec may be supported, there can be many subtle
variations in formats, tagging schemes and protocols (even within UPnP).
In general your radio will play the supported formats with most common
UPnP servers.
Bit-Rates
The following table summarizes the maximum supported bit-rates for the
various audio formats that are playable on your radio. Higher rates may
be playable in some cases but performance of the product may be affected.
Codec Maximum supported rate
AAC (LC) 320 kbits/sec
FLAC (1) 1.5 Mbits/sec
LPCM (2) 1.536 Mbits/sec
MP3 320 kbits/sec
Real Audio 64 kbits/sec
WAV 1.536 Mbits/sec
WMA (3) 320 kbits/sec
All codecs support 2-channel (stereo) coded files only.
All codecs support sample rates up to 48 kbits/sec (includes 32 and 44.1
kbits/sec).
USB and SD/SDHC playback supports MP3 and WMA formats only.Files
which have Digital Rights Management (DRM) protection applied will not
be playable on your radio.
(1) 16 and 24 bit samples are supported in FLAC files
(2) The maximum supported bit-rate is for a 48 kHz sampling, 2 channels
and 6-bits per sample.
(3) WMA Lossless, WMA Voice, WMA 10 Professional, and files which
have DRM protection are not supported.