PlainTalk version 1.5.4, combined with Mac OS 8.6, provides compatibility with the Power Macintosh G3 (Blue and White), iMac, and Power Macintosh G3 with the DVD drive. Refer to the following article for additional information:
Article 60339: "PlainTalk: Using Speech Recognition 1.5.4"
PlainTalk 1.5.3
PlainTalk 1.5.3 is included with Mac OS 8.5. It does not include any updates to the limitations defined for PlainTalk 1.5 Speech Recognition.
PlainTalk 1.5
In addition to 16-bit sound quality, PlainTalk Speech Recognition 1.5 requires Power Macintosh computers capable of sound input at 22.050 kHz. The following computers work with only higher quality 44.100 kHz sound input: