WMA9 Decoder

Product Overview

WMA is a lossy compression audio codec advocated by Microsoft and is widely used as a distribution and distribution format for music data.

This product is a software IP with low power consumption, low memory consumption, and can be embedded in a short period of time, suitable for products such as portable music players, smartphones, and car audios.

Product Number

  • TM1556


  • Low power consumption operation by reduction of arithmetic processing with TMC’s original 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 Microsoft Windows Media Audio Standard Decoder 9.2
WMA Profile Level 3
WMA Data Version Windows Media Audio Syntax Version 2 Data
WMA Stream Windows Media Audio v2、v7、v8、v9、v9.1、v9.2
(Windows Media 4.0、4.1、7.0、8、9、9.1、9.2)
Sampling Frequency 8、11.025、16、22.05、32、44.1、48 kHz
Bit Rate Max. 320kbps
Channel Configuration Monaural, stereo
Input / Output Data Format WMA Packet Data to 16 bit linear PCM

Application Examples