Diamond audio is a manufacturer of speakers, audio systems, and woofers. Diamond Audio supply products for use in vehicles and have stores located throughout the US.
Diamond Cut Audio Restoration Tools was created in 1995.
Overall I would have to say Polk Audio but this is definitely a personal opinion and also comes with some explanation. For example, I feel that Polk makes better small car audio speakers but I don't particularly like their subs or amps. Polk also makes great home theater speakers and I don't think diamond sells any home theater equipment except freestanding subs. To accurately compare these two brands you would have to limit yourself to a single product and compare that.
This are the different audio streams, on a DVD there can be different Audiostreams for example the language stream in English represents audio 1, spanish audio 2 french audio 3 and German audio 4 and so on.
An audio DVD is one that has sound on it -- music, voice, etc.
An audio track is the audio component of a multimedia item.
An audio cassette is a cassette containing audio data.
The audio outs should go to a AUDIO IN on your stereo system. You might need audio adapters to make the easy.
Audio files are place into Audio tracks in video editing programs.
To change the audio in the Audio/Music track, simply delete it and put something else in its place. To change the audio of a video in the video track, first Mute the audio of the video. Then place alternate audio in the Audio/Music track.
Audio digitizer is a software that captures audio and places it on a disc.
I strip the audio from DVD with a DVD Audio Ripper,
'My Dad brought an audio from the shops on Thursday.'