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2026.06.28
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
Features
- 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.
Specification
| 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
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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