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| The simple audio solution supplied by Semisolution is the best solution for the customer who needs an economic audio solution and is an all-in-one solution in which one audio SoC supports USB, LCD, I2S, NAND, and SD Card at the same time. In addition to the price competitiveness of the product required by customers, various I/O interfaces are supported so that it is the most economical, all purpose audio solution. |
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| GM7005 is an ideal "all-in-one" low power solution enabling a long battery life (~20 hr by AAA) for portable digital audio devices that require mass storage capability, highly integrated essential IPs, and an well-equipped feature pool. GM7005's programmable architecture also supports MP3, WMA and other digital audio standards. |
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- Demo System Frequency: 16-Bit DSP, 30 MHz + 1T 8051, 24 MHz
- DThroughput/Performance : MP3, 24 MHz/WMA, 24 MHz
- DAlgorithm :
: ADPCM Codec
: MPEG- 1/2/2 .5 Layer 3 Decoder
: WMA v7 Decoder
- DPower Consumption @ MP3 Playback
: Chip power consumption : 50 mW
- Operating Life of the Battery : 20 hr/AAA (800 mA/h) |
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| GM7006 is a highly integrated single-chip digital audio system. It is built in a variety of popular audio codecs, including MP3 decoder, WMA decoder, IMA ADPCM encoder, IMA ADPCM decoder, JPEG decoder, and Motion JPEG. A high performance DSP is in charge of the decoding and encoding, and a USB 2.0 device interface is responsible for the audio and/or voice data transmission between GM7006 and the USB host. GM 7006 also includes interfaces for NAND flash, SPI, LED/LCD modules, push buttons, headphones, microphones, and FM radios. |
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- NAND flash audio players
- SD MMC card audio players |
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- IMA ADPCM for voice recording
- IMPEG- 1/2/2.5 layer 1,2,3 audio decoder
- IWMA v7 audio decoder
- IJPEG decoder
- IMotion JPEG decoder
- IBitmap and GIF decoder |
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