Table of Content
These different decisions and determinations may be obtained in several ways. For example, different parameters received from a different component may be combined in a predetermined way, for example, using predefined weights. Alternatively, a neural network may be provided to which these parameters are passed and which outputs the corresponding decisions and determinations. Therefore, the a posteriori probability of GMM λ1 is reduced due to the uncertainty of the given feature vector with respect to the classification into speaker or background noise. This results in a further parameter of the speaker adaptation control. The covariance matrices need not be fused as only the weights and mean vectors are adapted in the MAP algorithm.
Such non-speech information, for example, stemming from interacting applications or technical devices, may also be taken into account. It may further comprise segmenting a received speech input and/or a preceding speech input. The detecting step may further comprise comparing the likelihood functions for the received speech input with a predetermined threshold. Alternatively or in addition, the detecting step may comprise comparing one or more differences of likelihood functions with a predetermined threshold. In this case, if a likelihood function or a difference is below the predetermined threshold, it may be determined that the speech input does not match the corresponding speaker model. If no match with any of the speaker models is determined, it is determined that the speech input corresponds to an unknown speaker.
Data storing and security methods
The back of the Nest Mini contains a hole for wall-mounting with a screw, and it contains LED lights that highlight the touch areas for volume control. It is available in the colors "chalk", "charcoal", "coral", and "sky blue". The invention uses a speaker-independent model which is customized by short utterances of a new speaker without high storage requirements and without a high computation load. This system offers a solution to the problem of unreliable decisions of the detection process due to sparse speech samples during runtime. By fusing all accessible soft decisions from several stages in the detection process and by investigating the speaker model separability and the corresponding time history, the system is able to detect and to correct false decisions.
In the previously described methods, the speaker model set may comprise more than one speaker-independent speaker model. In this way, suitable speaker-independent models for a specific type or class of speakers may be provided. In view of the different parameters entering the predetermined criterion, thus avoiding use of a strict threshold detection, reliability of the results may be increased.
Which voice control system is best for your home? Google or Amazon?
However, you can enhance the speaker’s voice recognition capability with a few easy pointers. When you turn on Voice Match, you can teach Google Assistant to recognize your voice so it can verify who you are before it gives you personal results. You can turn on Voice Match for a home or specific Assistant-enabled devices, like a speaker, Smart Display, or Smart Clock. Up to 6 people can turn on Voice Match for one home in the Google Home app. If you want a small display that's focused on telling the time above all, Lenovo's Smart Clock (7/10, WIRED Recommends) is the way to go.
At its May 2017 I/O presentation, Google announced that users will be able to add calendar events, set reminders, and make outgoing Google Voice calls to the US and Canada; we’ll test those improvements as they roll out this summer. The Google Assistant can even use info from other Google apps -- such as Maps and Calendar -- to personalize responses if you ask about things like your daily schedule or the traffic conditions on your way to work. The Home's recent update allows multiple people to link their Google account to a Home.
Models
How Voice Match works After you teach Google Assistant to recognize your voice, a unique voice model is created. This voice model is created on Google’s servers and then stored only on the devices where you’ve turned on Voice Match. If you have more than one home, tap the home you want to add Voice Match to. The device's controls sit at the top, and there's a Mute switch for privacy. It has only an IPX4 rating, making it splashproof but not fully waterproof like the JBL.
However, in our time with the device, we didn’t find much use for that feature. We did our research for this guide using the standard Google Home model. But the company also offers several other versions of its smart speaker, including the Home Mini, Home Max, and Nest Hub, the last of which has a screen. Although each model offers something different in terms of speakers and microphones , the basic Google Assistant functionality should remain the same no matter which Home you plan to use.
Such a speaker change measure is a suitable parameter for the predetermined criterion. In case of speaker recognition in the form of speaker identification, based on a speech sample, a speaker is selected from a set of known speakers for which speech samples have been provided in advance. To use Google Assistant, a user of any Nest / Google Home device must register and sync an account using the Google Home mobile app.
If you have more than one home, tap the home with the device that you want to turn off Voice Match for. When you turn off Voice Match for a device, you'll no longer get personal results on that device unless you set up personal results again. Also, when you turn off this setting, it won't turn off other Assistant audio or personalization settings. When you turn off Voice Match for your home, you'll no longer get personal results on any device in that home unless you set up personal results again. To some, that price difference is worth it for things such as the link between their Google Home Mini and other Google Nest devices, the Google Home app and a preference for the way that the Google Assistant performs tasks. With the holiday season rolling around, many families may consider adding additional technology to their homes.
In this case, the predetermined criterion may additionally be based on a distance measure, such as a Kullback-Leibler entropy or a cross-correlation of the two speaker models. In particular, the method may comprise fusing or combining two speaker models of the speaker model set. For example, different speech models and/or vocabularies may be provided, trained and/or adapted for different speakers during use of the speech recognition method. Furthermore, as speech control in many cases consists of short utterances, an increased recognition reliability is desirable. The detecting step may comprise performing feature extraction on the received speech input. Performing feature extraction may comprise determining a feature vector, pitch and/or signal-to-noise ratio.
In the next step 203, speaker change recognition is performed in speaker change recognition component 104. In this step, in principle, a speaker change within a speech input or from a preceding speech input to the current speech input may be detected. However, particularly in the case of speech control, the utterances generally are very short so that the system may assume that each utterance stems from a single speaker.
That makes it fine to put in the bathroom if you want to jam out in the shower, but this isn't the speaker to take to the beach. The Nest Audio is impressive for its price (8/10, WIRED Recommends). This midsize speaker replaces the Google Home from 2016, and it improves on it with louder sound and deeper bass. It still won't take up too much room, and its discreet design allows it to blend into your home. Best of all, if you pair two of these together, WIRED reviewer Parker Hall says you get some of the best stereo sound for the money.
Currently you get a short list of IFTTT applets, but some of them include controls for Harmony’s Hub home theater remote, plus social media services Twitter and Facebook. As with the Echo’s IFTTT integration, using the feature with the Home can require awkward voice commands, and because it necessitates a meeting in the cloud of multiple accounts, it isn’t always fast. He found that the Echo edged out the Home in hearing voice commands through the music it was playing, and that it could hear at levels -2.75 dB lower than the Home with the music playback levels set the same.
Secure your privacy with voice or face recognition
We put the always-listening speaker's multiuser functionality to the test. When available, your speaker or display will automatically update to the latest software version. After you turn on Voice Match, Google Assistant won't respond with your personal results to a voice it doesn’t recognize as yours.
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