VS1011E Datasheet, PDF (25/49 Pages) List of Unclassifed Manufacturers – MPEG AUDIO CODEC

VLSI
Solution ^y
VS1011e
VS1011E
8. FUNCTIONAL DESCRIPTION
8 Functional Description
8.1 Main Features
VS1011e is based on a proprietary digital signal processor, VS DSP. It contains all the code and data
memory needed for MPEG, WAV PCM and WAV IMA ADPCM audio decoding, together with serial
interfaces, a multirate stereo audio DAC and analog output amplifiers and filters.
VS1011e can play all MPEG 1.0, and 2.0 layer I, II and III files, as well as MPEG 2.5 layer III files, with
all sample rates and bitrates, including variable bitrate (VBR) for layer III. Note, that decoding of layers
I and II must be activated separately.
8.2 Supported Audio Codecs
Mark
+
-
?
Conventions
Description
Format is supported
Format exists but is not supported
Format not tested
Format doesn’t exist
8.2.1 Supported MP1 (MPEG layer I) Formats
MPEG 1.0:
Samplerate / Hz
Bitrate / kbit/s
32 64 96 128 160 192 224 256 288 320 352 384 416 448
48000 + + + + + + + + + + + + + +
44100 + + + + + + + + + + + + + +
32000 + + + + + + + + + + + + + +
MPEG 2.0:
Samplerate / Hz
Bitrate / kbit/s
32 48 56 64 80 96 112 128 144 160 176 192 224 256
24000 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
22050 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
16000 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Version 1.04, 2007-10-08
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