Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Sound Blaster Live! Platinum 5.1
Product description: Sound Blaster Live! Platinum 5.1 provides Dolby Digital 5.1 audio entertainment on your PC for movies, music, and games. With both digital and analog output, Sound Blaster Live! Platinum 5.1 provides surround sound with built-in support for two-, four-, or six-speaker configurations--simply connect digital multichannel speakers or an analog Dolby Digital-ready home stereo system to your Sound Blaster Live! Platinum 5.1 sound card. There's no need to purchase a Dolby Digital decoder. With the front-panel connectors of the innovative Live!Drive infrared, you can easily attach MIDI instruments, minidiscs, and other digital audio devices and headphones. Control your audio entertainment with the easy navigation and convenience of the included wireless remote., Powered by the EMU 10K1 audio processor, the Sound Blaster Live! Platinum 5.1 delivers real-time audio and effects for true-to-life action in every audio application. Encouraging you to expand your interests for composing music, creating and organizing MP3 files, and playing the latest games, the sound card comes with a Dolby Digital decoder, an MP3 and WMA digital audio encoder, music composition software, and four full EAX-enhanced game titles., The Sound Blaster Live! Platinum 5.1 comes with a one-year warranty.
Product feature: Full 5.1 surround sound in either digital or analog output, Front-panel connectors for digital and analog devices, Quality digital signal processor for creating clear audio files, Integrated EAX effects engine for true-to-life audio environments, PC compatible
Product brand: Creative
Target attributes: Sound Output
Answer: attribute: sound output
value: 5.1
source: product description
attribute: sound output
value: 5.1
source: product title
attribute: sound output
value: 5.1
source: product feature