VS1033 Datasheet, PDF (24/70 Pages) List of Unclassifed Manufacturers – MP3/AAC/WMA/MIDI AUDIO CODEC

VLSI
Solution ^y
VS1033a PRELIMINARY
VS1033A
8. FUNCTIONAL DESCRIPTION
8 Functional Description
8.1 Main Features
VS1033 is based on a proprietary digital signal processor, VS DSP. It contains all the code and data
memory needed for MP3, AAC, WMA and WAV PCM + ADPCM audio decoding, MIDI synthesizer,
together with serial interfaces, a multirate stereo audio DAC and analog output amplifiers and filters.
Also ADPCM audio encoding is supported using a microphone amplifier and A/D converter. A UART
is provided for debugging purposes.
8.2 Supported Audio Codecs
Mark
+
-
Conventions
Description
Format is supported
Format exists but is not supported
Format doesn’t exist
8.2.1 Supported MP3 (MPEG layer III) Formats
MPEG 1.0¹:
Samplerate / Hz
Bitrate / kbit/s
32 40 48 56 64 80 96 112 128 160 192 224 256 320
48000 + + + + + + + + + + + + + +
44100 + + + + + + + + + + + + + +
32000 + + + + + + + + + + + + + +
MPEG 2.0¹:
Samplerate / Hz
8
24000 +
22050 +
16000 +
Bitrate / kbit/s
16 24 32 40 48 56 64 80 96 112 128 144 160
+++++++++++++
+++++++++++++
+++++++++++++
MPEG 2.5¹:
Samplerate / Hz
8
12000 +
11025 +
8000 +
Bitrate / kbit/s
16 24 32 40 48 56 64 80 96 112 128 144 160
+++++++++++++
+++++++++++++
+++++++++++++
1 _{Also all variable bitrate (VBR) formats are supported.}
Version 0.6, 2005-01-05
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