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Is the Nexus One the only Android phone having 2 microphones?

I know that the 2nd microphone is intended for helping noise cancellation and I need this feature for my software development project.

I am wondering whether the Nexus One is the only such Android phone. That is, if I need to program for this feature, must I purchase a Nexus One only?

Android Eve
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    I don't understand why this was closed. Any Android programmer in the ASR field could benefit from having this useful piece of information in one place. – Android Eve Dec 07 '10 at 17:40

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The Motorola Droid, Droid 2, and Droid X all have dual microphone noise reduction as well. However, I am not sure if this always enabled when the microphone is active, or if it only works during calls. Also, I'm not sure how that would help with text to speech (TTS). Do you mean speech to text/speech recognition?

If you need GSM phones, look (depending on your location, inside or outside of the US) at the Motorla Charm, Backflip, Milestone 2, and Droid 2 global (CDMA & GSM). I just noticed that it may seem like I'm pushing Motorola. I'm not. These were the only phones which clearly stated they had two microphones for noise cancellation that I could find after quite a bit of Googling.

Sean W.
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  • Yes, I meant ASR (automatic speech recognition), sorry for the mistake (I just fixed the title from TTS to ASR). Thank you for this information. I noticed these are all CDMA phones. Are there GSM phones (like the Nexus One) that have them, too? – Android Eve Dec 06 '10 at 00:19
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    I have added GSM options to the question above. – Sean W. Dec 06 '10 at 00:36
  • Thank you. I am still using the Android emulator for software development but soon I will need to test the software on a real phone. These options may help me lower the cost. – Android Eve Dec 06 '10 at 00:41