Soundstream is a popular electronics manufacturer. They do and have in the past sold audio recorders, tape decks, and digital editing systems. They help in the function of recording and distributing audios.
Memphis audio mono amp is good Soundstream is good Orion HCAA series amps. These are a few goodone's
Check these amps out Crossfire, Soundstream, Mantis, Memphis audio
Audio files are place into Audio tracks in video editing programs.
An audio jack and an audio plug are the same thing
Powered speakers have an amp between the audio source and the speakers. Non-powered speakers have the amp located in the audio source. Speakers are usually called powered if they are sold with an amplifier either attached to the speakers or physically near the speakers.
The independent audio engineer would be self employed.
Audio card is the physical hardware that you plug your speakers in to. Audio driver is software, that commands the hardware. You need both to hear sound.
Mixing is a part of audio engineering. Mixing occurs after the recording process and before the mastering process. Recording, mixing, and mastering engineers are all audio engineers because they all deal with audio.
Being in the computer industry, this is my best guess. AUI = Audio User Interface If correct, it means that a device in question has either an audio output, or is able to accept (or maybe interpret) audio input (such as your voice).
You could find an audio adapter at any electronics store like futureshop or BestBuy. My best guess for great value of a audio adapter would be either futureshop or BestBuy in my personal opinion.
The most common used audio input device is the webcam