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When using my Harman Kardon AVR receiver with the DAL 150 in MP3 to MP3 mode, the MP3 selection is highly distorted, but it sounds fine in MP3 to PCM mode. What is happening?

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When using my Harman Kardon AVR receiver with the DAL 150 in MP3 to MP3 mode, the MP3 selection is highly distorted, but it sounds fine in MP3 to PCM mode. What is happening?

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In MP3 to PCM mode, the MP3 decoding is performed in your computer using Windows Media Player. In MP3 to MP3 mode, the MP3 decoding is performed in your AVR using its firmware. As with many programs, MP3 decoding software is continually evolving in order to accommodate higher bit rates for better quality audio. In this case, the MP3 decoder used by Windows Media Player is a later version than the decoder in the AVR, and it is able to accommodate some MP3 files that were encoded at higher bit rates. Since you are able to hear your selection in MP3 to PCM mode, you are still able to enjoy your program material. Moreover, by supplying the AVR with a PCM signal rather than an MP3 signal, you are able to take advantage of the AVR’s many surround processing modes, such as Dolby® Pro Logic® I or II, Logic 7®, and VMAx®. In MP3 to MP3 mode, only the Surround Off (2-channel Stereo) mode is available. One advantage of performing the MP3 decoding in the AVR is to conserve processing power on your

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