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Dolby Digital (AC-3) 5.1 Decoder for SHARC

Dolby Digital (AC-3) 5.1 Decoder for SHARC

Product
Details
System Requirements
Related Software
Related Hardware
Performance Metrics

Product Details

The ADI Dolby® Digital (AC-3) 5.1 Decoder library for the SHARC processor is an implementation of a Dolby Digital Consumer Decoder, compliant with the Advanced Television Systems Committee (ATSC) AC-3 standard. This implementation has been certified by Dolby Laboratories, Inc. The ADI Dolby Digital AC-3 5.1 Decoder contains a standard C-callable ‘push’ API. The module has no dependencies on processor peripherals or registers, adding greater system flexibility and ease of use.

Features

Target Processor: Code compatible across the SHARC processor Family ADSP-213xx and ADSP-214xx.
Release format: Object code module with C source wrapper.
Release format: Object code module with C source wrapper.
Framework dependencies: None.
Output format: 32-bit normalized floating-point samples.
Sample Rate: 32, 44.1 and 48kHz.

Bit Rates: All bit rates specified by the AC-3 standard: 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 448, 512, 576 and 640 kbps.
Number of output channels: up to 5.1
Multi-threading: Fully re-entrant and multi-instancing capable.
Dolby certified on ADSP-21362/3/4/5/6/7/8/9, ADSP-21462/5/7/9, and ADSP-21471/2/5/8/9, and ADSP-21481/2/3/5/6/7/8/9 processors.

Product Downloads

Download the evaluation version of Dolby Digital AC-3 5.1 Decoder for SHARC (Rel 4.0.0 - ~6MB)
Request the production version Dolby Digital AC-3 5.1 Decoder for SHARC (Rel 4.0.0 - ~6MB)

System Requirements

Windows XP Professional SP3 (32-bit only).
Windows Vista Business/Enterprise/Ultimate SP2 (32-bit only). It is recommended to install the software in a non-UAC-protected location.
Windows 7 Professional/Enterprise/Ultimate (32 and 64-bit). It is recommended to install the software in a non-UAC-protected location.
Minimum of 2 GHz single core processor, 3.3 GHz dual core is recommended.

Minimum of 1 GB memory (RAM), 4 GB is recommended.
Minimum of 2 GB hard disk (HDD) space is required.
CrossCore® Embedded Studio Rel 1.0.1 or later.
VisualDSP++ 5.0 and the latest update

Related Software

Related Hardware

SHARC ADSP-21364 EZ-KIT Lite® for the ADSP-2136x SHARC Family
SHARC ADSP-21469 EZ-KIT Lite® for the ADSP-2146x SHARC Family
SHARC ADSP-21479 EZ-KIT Lite® for the ADSP-2147x SHARC Family
SHARC ADSP-21489 EZ-KIT Lite® for the ADSP-2148x SHARC Family

Performance Metrics

MIPS summary:

SHARC Processor Family	Code RAM (KiB)	Data RAM (KiB)	Constant Data Tables (KiB)	MIPS
SHARC Processor Family	Code RAM (KiB)	Data RAM (KiB)	Constant Data Tables (KiB)	Average	Average Peak
ADSP-2136x	49.1	39.6	16.6	34.2	42.3
ADSP-214xx	36.7	39.6	16.6	34.3	42.4

MIPS measured using Fs = 48kHz, bit rate of 384kb/s, optimal memory layout, worst case test vector, running on an ADSP-21364 and an ADSP-21469.
"Data RAM" for one instance, includes Stack, Scratch, Instance/State, Minimum Input and Output Single Buffers.
The Dolby AC-3 5.1 Decoder library was built using CrossCore® Embedded Studio 1.0.1.

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Availability and Licensing

Each module supports the Analog Devices, Inc. (ADI) Blackfin or SHARC Processor family and is a licensed product that is available in object code format. Recipients must sign or accept a license agreement with ADI prior to being shipped or downloading the modules identified in the license agreement.