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2026.06.28
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
Features
- 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.
Specification
| 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
Product & Technology Inquiries Please feel free to contact us with technical questions regarding software integration, such as "Will it work on our current CPU?" or "Is it compatible with our existing OS?", or to consult about an evaluation version.
Techno Mathematical Co., Ltd.
7F, Gotanda NN Bldg., 2-12-19, Nishi-gotanda, Shinagawa-ku, Tokyo 141-0031, Japan
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