Windows Media Audio version 9 (WMA9) is a proprietary high quality audio compression standard from Microsoft. ADI’s WMA9 Encoder product supports all the high-bit rates specified by WMA9 version 9 Encoder and is compliant to WMA conformance criteria from Microsoft. WMA is used for audio compression that provides CD quality audio at significant lower bit rates than the original CD data rate. ADI’s WMA9 encoder is a high performance encoder that is capable of delivering high quality compressed audio at fast encoding speeds-10x real-time encoding can be achieved on a 500 Mhz ADI DSP Blackfin. WMA Encoder stream is generally encapsulated in Microsoft Advanced Streaming Format (ASF). A flexible ASF library is provided along with WMA9 core encoder library to enable faster software integration. The ASF library has support to add metadata and image tags.
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Each module supports the Analog Devices, Inc. (ADI) Blackfin or SHARC Processor family and is a licensed product that is available in object code format. Recipients must sign or accept a license agreement with ADI prior to being shipped or downloading the modules identified in the license agreement.