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See glossary below for more information and explanation. Click on a product for a detailed review / ratings based on actual owner experiences. Ratings for each product are based on a sample size of at least 80 owner experiences. "NA" below means the feature is not available or does not apply.
Top-Rated Sound Machines
|HoMedics Sound Spa||Marpac Dohm||Marsona TSC-330||Sharper Image||Sleep Sheep||Sound+ Sleep||Sound+ Sleep Nomad||Sound Oasis||Sound Oasis Travel|
|Loops not noticeable||B-||B||c-||c-||c||c+||a+||a||c||c||A-||a-||a-||c-|
|Nature sound quality||B||b||b-||a-||b-||b-||NA||b||c||b||b+||a-||b||b+|
|White noise sound quality||B||B-||c||c||b||b-||a||b||b||c+||A||a-||a-||b|
|Not too bright||D-||c||a-||a||c||b+||a+||a||c-||a||A-||a||a-||c+|
|Can run on batteries||Yes||Yes||Yes||Yes||Yes||Yes||No||Yes||yes||yes||No||yes||yes||Yes|
Percentage of owners who indicate that overall they are satisfied with the product. Owner satisfaction rates for each product are based on a sample size of at least 80 owner experiences. The maximum margin of sampling error is ±4 percentage points.
The price charge by most, if not all, retailers.
The machine provides good "bang for the buck," that is, a number of useful features for the price.
The sound / white noise machine has features and sounds intended primarily for adults.
The machine has features and sounds intended primarily for babies, infants and children.
How well the machine is made and how long it can be expected to last given reasonable care.
How well the product produces sound that is clear, realistic and or pleasing to the ear.
Most sound / white noise machines use digital recordings of noises
to produce sound. These recordings last only a few seconds and then play over and over. If a person can tell when
the recording starts over then the loop is noticeable, and this can be distracting to some people. The more expensive
How high the volume can go on the machine. Loud unwanted noises often require a machine that can produce high volume in order to mask them.
The number of different sounds the machine produces. It should be pointed out that most owners of sound / white noise machines listen to only a small number of the sounds that their machine can produce. In other words, variety is not especially important to most people.
The machine plays nature sounds (rain, a flowing stream, waves coming ashore, croaking frogs, etc.), as opposed to producing only white noise (consistent, steady noise).
The machine plays genuine white noise (consistent, invariable noise). White noise is often, but not always, the preferred sound from a sound / white noise machine because is it steady and lacks inconsistencies, resulting potentially in more relaxation. Nature sounds, by contrast, can lack consistency, such as when birds suddenly chirp or a wave crashes onto the shore.
The machine is reasonably compact, lightweight, can be battery powered if necessary and may have other travel-friendly features.
The machine includes a clock and alarm built into its design.
The machine can be set to go off automatically, as opposed to manually.
Having lights to illuminate the machine is an advantage in that you can easily operate the machine in the dark. But lights can also be a disadvantage in that they may prevent darkness and, therefore, sound sleep.
The style and design are pleasing to the eye.
The machine does not need to be plugged in to operate. Most machines can run on four AA batteries.
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