SW320023-1HPM - PIC32
AAC Decoder Library for
Harmony
Part Number: SW320023-1HPM
Status: Mature Product
Summary
The AAC algorithm is designed for 80MHz or greater PIC32 MCUs, and supports both
PIC32MX and PIC32MZ devices. This code requires 62MIPS peak 34MIPS average
performance, 61KB Flash and 12KB RAM without frame buffer memory for operation on the
MCU. Supported in MPLAB Harmony v2 only.
Users remain responsible for licensing for their products through Via Licensing.
PIC32 Advanced Audio Coding (AAC) Decoder library provides easy to use APIs for
decoding an audio stream encoded using Advanced Audio Coding (AAC) encoding. The
PIC32 AAC Decoder library supports the following:
Sample Rates:
8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48, 64, 88.2 and 96KHz
Bit Rates:
32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 kbps and VBR
Product Features
Microchip offers AAC Decoder library both in non-modifiable binary code and source
code formats that enables usage on high performance PIC32MX devices. The decoder
is a low complexity decoder AAC – LC with support for parsing ADTS headers only.
The ADTS header Audio Data Transport Stream (ADTS) is a format, used by MPEG TS or Shoutcast
to stream audio
Not all *.aac audio files will play using this decoder, since not all follow the same header or AAC – LC
format for encoding
Music with ID3 tags does not decode
AAC_LTP is not supported
Only music with AAC-LC v4 format WITHOUT ID3 tags is supported
Additional Resource
Additional Information
Additional Information
PIC32 AAC Decoder Library for Harmony includes:
• Harmony Configuration Installer – Requires Harmony Software Framework
• Supports PIC32MX and PIC32MZ MCU
• Requires 62MIPS (peak) 34MIPS (Average) 61KB Flash and 12KB Ram on PIC32MX
devices
• Harmony Installer support for Windows, Mac and Linux OS
This software is only compatible with Harmony v1.03 and later.
For more information on this software package please
visit www.microchip.com/pic32harmonypremiumaudio
https://www.microchip.com/DevelopmentTools/ProductDetails/PartNO/SW320023‐1HPM/10‐1‐19
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