MPEG1LayerⅡ Encoder/Decoder

Product Overview

MPEG-1 Audio Layer II (MP2) is an international standard for lossy compression audio codecs, and is widely used as a video CD and digital broadcasting format.
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 and broadcasting equipment.

Model Numbers

  • Encoder: TM1305
  • Decoder: TM1306


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


Software IP Form C language library
Compliant standard ISO/IEC 11172-3 (MPEG-1 Audio Layer Ⅱ)
Sampling Frequency 32, 44.1, 48 kHz
Bit Rate (Encoder) 32 to 384 kbps
Bit Rate (Decoder) Compatible with all standards except free bit rate
Channel Configuration Monaural, stereo, dual monaural
Input / Output Data Format 16-bit linear PCM

Application Examples