Show HN: Dexter, a Voice Controlled Assistant

Re:Show HN: Dexter, a Voice Controlled Assistant by oceliker on Sunday January 10, 2021 @04:31PM (#25720148)

I wish somebody made a text-based assistant that has similar functionality. As a non-native English speaker I don't think voice assistants will ever become accurate enough to be usable by me.

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Re:Show HN: Dexter, a Voice Controlled Assistant by lukifer on Sunday January 10, 2021 @06:26PM (#25721543)

I use voice2json on my homebrew RPi voice rig, and it has a plain-text input mode [0]. With a little Node-RED + MQTT + shell magic, it's pretty neat/convenient to type into the terminal: `house "turn on lamp"`. :)

[0] https://voice2json.org/commands.html#recognize-intent

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Re:Show HN: Dexter, a Voice Controlled Assistant by iamsrp on Sunday January 10, 2021 @07:53PM (#25722640)

Dexter has a couple of different input systems: PocketSphinx and DeepSpeech.

PocketSphinx seems to have better language coverage but lower accuracy than DeepSpeech, which only has English and Mandarin Chinese.

DeepSpeech was not great about 2 years ago when I first started Dexter and, being a Brit, I had to fake an (awful) American accent to make it work. It's come on well in that time though; I can use my own voice now, which is a relief to those near by. No clue how good its Mandarin recognition is however.

Other folks in surrounding threads have flagged Kaldi which I'll try to take a look at as well (though it also looks to be only English and Mandarin too).

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Re:Show HN: Dexter, a Voice Controlled Assistant by alexdeloy on Sunday January 10, 2021 @04:52PM (#25720388)

I didn't try it out yet but Kalliope is a similar project (RPi voice assistant) but has an API where you could input a text order via HTTP:

https://kalliope-project.github.io/kalliope/api/synapses/#ru...

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