Commercial Products
- Covox Speech Thing. The simplest hardware DAC, bundled with speech synthesis software, marketed originally as part of voice synthesis and recognition system.
- Covox Voice Master - speech and music processor.
- Disney Sound Source. A somewhat popular device, marketed by Disney Software in early 1990s, appeared to be a sophisticated Covox-idea based DAC. It consisted of 2 parts: a DAC plugged into printer port and separate amplifier / speaker box. The low price of $14 got the device some popularity. It used external power (ran on batteries) and involved some circuitry to turn it on / off. Sound quality was also superior due to sound filtering schemes used. Games that run on Disney Sound Source should run without problems on simpler Covoxes; however, not all software made for simple Covoxes will run on Disney Sound Source, as it requires additional command bytes to be sent to additional control port to operate.
Read more about this topic: Covox Speech Thing
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