There was no difference in the speech recognition error rate which is essentially zero when dictating a page of test text. The Podcaster is optimized for speech and the audio quality is excellent.
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Dictation speech peak audio levels with both microphones were in the range of -30 to - 20 db. The Sennheiser noise level with the audio switch off dropped to - 80 db. Microphone electrical and mechanical noise cannot be measured because the Podcaster has no audio on-off switch.Īt the usual amplification setting for speech recognition, a combination of room acoustic noise and electrical noise showed the Podcaster and the Sennheiser to each be very close to - 70 db. The Podcaster was compared with a combination of a Sennheiser MD 431 II microphone, Grace Design Model 101 preamplifier, and an Audiophile 24/96 sound converter. The sound level was one that is comfortable for background music. Broadway music audio from a speaker about 36 inches away resulted in no interference with speech recognition. There is no requirement for any additional software. Two other deficiencies are a lack of a "soundless" audio on-off switch and no mechanical lock for the USB connector. It is very heavy and very large, neither of which are good characteristics for a hand held microphone. As expected, it is built like a Sherman Tank. Martin Markoe - BANNED USER: This user has been banned from these forums >Īnalogue signal conditioning + A/D and USB interface. Dynamic USB Microphoneįrequency Response. Manufacturers specifications are below my name for anyone interested. The Rode weighs a whopping 21 oz while the Samson weighs 12 oz. In my mind and experience the difference is meaningless for speech recognition purposes. The Rode frequency response is 40 Hz to 14 kHz. The Q1U has a frequency response of 50 Hz to 16 kHz. Part of the Rode pickup pattern is to the rear and if the diagram is accurate it would be subject to picking up background noise more than the way less expensive Samson Q1U. In our experience, a Super Cardiod pickup pattern beats a Cardiod pickup pattern every time. The Q1U has a Super Cardiod pickup pattern while the Rode has a Cardiod pickup pattern. I had not seen nor heard of the Rode but looked at the specifications and price (Rode is approximately 4 times the cost of the Samson Q1U). Why would someone with your expertise and knowledge speculate based on published specifications?
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> less inherent electrical noise and better acoustic noise canceling capability compared with the Samson. It looks good on paper, but I haven't tried it. > Another possibility might be the Rode Podcaster. The V4 also doubles as a cellphone headset.īefore you make your final decision you might want to check out our new Microphone Comparison Matrix which includes additional options and ratings.Ĭhange "No" to "Know" w/ KnowBrainer 2020 This microphone was made popular on the floor of the stock exchange so you can easily imagine just how noise canceling it really is. Our mic preference, for a notebook computer, would be to combine theBoom V4 microphone with an ANC USB Pod external USB soundcard because it is extremely small and extremely noise canceling.
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You can also program the other buttons to do additional maneuvers such as pressing the key, jumping to the next field etc. You can program 1 of the 10 programmable buttons to turn NaturallySpeaking's microphone on and off. The problem with hand-held microphones is that they tend to fall a little short of the mark in noise cancellation but our favorite and most popular handheld microphone is the Philips Speech Mic USB microphone.