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Program JavaScriptタグが付けられた新着投稿 - Qiita 初心者エンジニアがleetCodeのTop Interview 150を解いてみる #1Merge Sorted Array https://qiita.com/chichilla_mofumofu/items/9aa6b255a25710f5910d leetcode,mergesortedarray,topinterview 2024-08-12 18:31:37
海外TECH Engadget The best Bluetooth speaker for 2024: 16 portable options for every price range https://www.engadget.com/best-portable-bluetooth-speakers-133004551.html?src=rss Choosing the best portable Bluetooth speaker can be a daunting task with the amount of options available today Whether you re gearing up for a camping trip a beach outing or a backyard barbecue finding the right speaker that delivers on sound quality durability and portability is crucial We ve tested dozens of Bluetooth speakers across various price points to help you navigate this crowded market While many of them sound impressive comparing them head to head allowed us to identify the features that make certain models stand out If you re looking primarily for a speaker that works with a voice assistant like Alexa Google Assistant or Siri check out our top picks for the best smart speakers However for those seeking a versatile portable Bluetooth speaker we ve put together a selection of top performers that cater to a wide range of use cases and preferences Whether you re after powerful bass long battery life or rugged design our recommendations will help you find the best match for your needs Table of contents Best portable Bluetooth speakers to Best portable Bluetooth speakers to Best portable Bluetooth speakers and higher Factors to consider in a portable Bluetooth speaker Other portable Bluetooth speakers we tested Bluetooth speaker FAQs Best portable Bluetooth speakers to Best portable Bluetooth speakers to Best portable Bluetooth speakers and higher Factors to consider in a portable Bluetooth speaker Weather proofing IP ratings Ingress Protection are the alphanumeric indicators you often see in a product s spec sheet that define water and dust resistance It s usually a combo of two numbers with the first indicating solid object ingress and the second being water The former goes from no protection to dustproof The water resistance rating goes from no protection to protected against immersion and high pressure jets When an X is used instead of a number that means the product wasn t tested for resistance If it s waterproof it may have some innate resistance to solids but there s no guarantee IP is a common rating these days indicating highly resistant and potentially rugged speakers suitable for outdoor adventures These are safe for quick dunks in the pool or tub and should be more than OK in the rain or in the shower They re also good options for the beach playground and other rough environs Additionally speakers with ports and a high rating will often include a tight fitting cover over the charging or auxiliary ports If you plan on using the ports that may limit the product s rated ability to fend off the elements When looking for the best portable Bluetooth speaker consider the IP rating and also how you plan to use your Bluetooth speaker when making your decision It may be worth splurging on a better sounding model with a lower IP rating if you ll mostly be using it indoors for instance Battery life The focus of this guide is on the best portable Bluetooth speakers and while portable can be a relative term these devices are generally for people who are likely to find themselves far from a power outlet These days around hours of runtime seems to be the baseline but obviously the more battery life you can get out of a speaker the better That said be careful when looking at battery specs as they frequently list a maximum runtime up to x amount of hours This usually means they tested at a low to mid volume If you like your tunes loud it can often end up cutting the expected usage time in half or more Luckily some manufacturers also list the expected hours of battery life when used at full volume and that transparency is appreciated Bear in mind however that not all of the best portable Bluetooth speakers use the same charging port Some support USB C charging while others use micro USB Additionally if your Bluetooth speaker also happens to have WiFi connectivity they re usually designed for always on functionality Unlike normal Bluetooth speakers that go to sleep after a short period without use these will usually stay awake to listen for your commands and slowly run down the battery If you re out and about you ll want to remember to turn these speakers off manually when not in use to maximize battery life Range Bluetooth range is tricky business Some companies list their product s longest possible range usually outdoors and in an unobstructed line of sight test environment Other companies stick with a foot range on the spec sheet and leave it at that even though they may be running Bluetooth x or x That s likely underselling the speaker s potential but unpredictable environments can affect range and there s little point in promising the moon only to get complaints I ve seen signal drop issues when crouching down with my phone in the front pocket of my jeans and barely feet away from a speaker inside my apartment I ran into this issue across several devices regardless of their listed Bluetooth connectivity range If you re hosting a patio party and duck inside it s wise to keep any wireless Bluetooth speakers relatively close by just in case It s hard to gauge what aspects of any environment may interfere with a Bluetooth signal In general take range specs around feet or more as a perfect world scenario Latency This is a minor mention for those out there who use a speaker for their computer output or as a mini soundbar solution for setups like a monitor and streaming box It s annoying to find that your speaker s latency isn t low enough to avoid lip sync issues Luckily it seems that most speakers these days don t often have these problems Only a handful of the few dozen speakers I tried had persistent noticeable lip sync issues Aside from occasional blips all of our picks worked well in this regard If you plan to frequently use a speaker for video playback look for devices with the most recent Bluetooth versions x or x and lower latency codecs like aptX Also make sure the speaker is close to the source device as distance can be a factor To avoid the issue altogether though consider getting one with a wired auxiliary input Other portable Bluetooth speakers we tested Sonos Roam While there s a lot to like about the Sonos Roam there are plenty of other Bluetooth speakers with more features and better battery life In our review we gave the Roam a score of praising it for its good sound quality durable waterproof design and ability to work well within an existing Sonos speaker ecosystem But the price is just fine at and we found Bluetooth speakers that offer more at lower price points Plus the Roam taps out at hours of battery life and all of our top picks can run for longer than that on a single charge Monoprice Soundstage The Monoprice Soundstage offers relatively big sound at a midrange price with a variety of inputs rarely found on a portable Bluetooth speaker The boxy minimalist design is no nonsense even if it s more of a less rugged bookshelf styled homebody While the speaker puts out crisp highs alongside booming lows we found the bass can overpower the rest of the output so it s not for everyone And after using the speaker for many months we also found the low slung poorly labeled button panel along the top can be a bit annoying to use If you want a speaker for road trips favor mids and highs and plan on using physical buttons for volume control and input selections there are better options out there JBL Boombox Fans of JBL s bluetooth speaker sound profile who want to crank up the volume but also want a rugged and portable option may enjoy the JBL Boombox It s a decent grab and go speaker with a very loud output although it s not as good as some of the loud speaker styled options for long throw sound and big outdoor areas However the price for this speaker line remains prohibitively expensive compared to other options with big sound that cover a bit more ground If the JBL brand is your thing and you like the rugged portable form factor we recommend looking for discounts or shopping around and exploring the available options including the less portable JBL PartyBox series Soundcore Motion X Soundcore speakers have generally been good and often reasonably priced The Motion X loosely falls into that category It has a tall metallic lunchbox vibe with a fixed handle and pumps out a respectable watts of crisp clear sound for its size It can get pretty loud and serves up a good dose of bass although its primarily a front facing speaker There s LDAC hi res audio support for Android users but the main selling point on this is spatial audio This is done through an EQ change and the activation of a small up firing driver There s a slight benefit from this if you re up close and directly in front of it but it s not a total game changer for your listening experience The original pre order price of made it a decent option in terms of bang for your buck But it went up to at launch making it less appealing even if it s still a good middle of the road option if you want small ish clear and loud If you can find one on sale for the lower price it s definitely worth considering There s also the larger and louder X if the overall concept is working for you Bluetooth speaker FAQs How does a Bluetooth speaker work Bluetooth technology lets devices connect and exchange data over short distances using ultra high frequency UHF radio waves It s the frequency range that s carved out for industrial scientific and medical purposes called the GHz ISM spectrum band This range is available worldwide making it easy for companies to use with devices for global markets Bluetooth speakers include this tech which lets them communicate with source devices like smartphones tablets or computers in order to exchange data The two devices pair by sharing a unique code and will work within the proscribed range for the device and Bluetooth version nbsp Ever since Bluetooth was released over a decade ago new iterations usually improve on range use less power and offer expanded connectivity with features like multipoint allowing more than one device to be connected at the same time for instance Who should buy a Portable Bluetooth speaker If you want to play music while you re out and about on something other than headphones a portable Bluetooth speaker is probably what you want There s a broad range of devices for all types of circumstances Many adventurous people will want a relatively lightweight portable that s rugged enough to handle the elements while also packing enough charge to play for hours on end Others may simply need a speaker they can move around the house or use in the backyard In this case you can choose larger less rugged models that may offer better sound nbsp This article originally appeared on Engadget at 2024-08-12 09:01:26
科学 NYT > Science I.V.F. Threats in Alabama Drive Clinics to Ship Out Embryos https://www.nytimes.com/2024/08/12/health/ivf-embryos-alabama.html A court ruling that deemed frozen embryos children has motivated some patients and clinics to move embryos out of red states 2024-08-12 09:00:58

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