AC3 Dolby Digital Decoder

Product Overview

AC3 (Dolby Digital) is an audio coding technology developed by Dolby Laboratories, Inc., and is widely used in standards such as DVD, Blu-Ray, DivX, and Miracast.

This product is a software IP with low power consumption operation and low memory consumption, and can be embedded in a short period of time. It is suitable for car audio products.

TMC’s AC3 (Dolby Digital) decoder software is licensed by Dolby Laboratories, for Implementation License.

Model Numbers

  • TM1336


  • Low power consumption operation by reduction of arithmetic processing with TMC’s original computer algorithm “DMNA”.
  • Can be implemented in various processors including ARM.
  • Easy to embed by simple API interface, contributing to shortening the development period.
  • Thread-safe library, simultaneous decoding of multiple streams.


Software IP Form C language library
Compliant Codec Dolby Digital Consumer Decoder(AC-3 Decoder)
Sampling Frequency 32, 44.1, 48 kHz
Bit Rate 32 to 640 kbps
Output Channel Configuration 2ch (Down-mixing to 2ch for channel configurations exceeding 2ch)
Input Data Format AC3 elemental stream (Channel configuration: 1 to 5.1ch)
Output Data Format 16-bit linear PCM

Application Examples