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		<summary type="html">&lt;p&gt;修改正確用語&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Expand language|en}}&lt;br /&gt;
{{Proofreader needed|en|Master Quality Authenticated}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Master Quality Authenticated&amp;#039;&amp;#039;&amp;#039;（&amp;#039;&amp;#039;&amp;#039;MQA&amp;#039;&amp;#039;&amp;#039;）是一种[[有损数据压缩|有损]]的[[音訊壓縮 (格式)|音频压缩格式]]，用于将高品質的音频传输到智能手机或音频设备上&amp;lt;ref&amp;gt;{{Cite web |date=2022-06-15 |title=What is MQA? The digital audio format explained |url=https://www.trustedreviews.com/explainer/what-is-mqa-2932975 |website=Trusted Reviews |language=en |access-date=2022-08-29 |archive-date=2022-08-31 |archive-url=https://web.archive.org/web/20220831152410/https://www.trustedreviews.com/explainer/what-is-mqa-2932975 |dead-url=no }}&amp;lt;/ref&amp;gt;。这项技术由Meridian Audio在2014年推出，现在由MQA Ltd.拥有和授权&amp;lt;ref&amp;gt;{{Cite web |title=Inside MQA&amp;#039;s audio revolution |url=https://www.musicweek.com/digital/read/inside-mqa-s-audio-revolution/083846 |website=www.musicweek.com |language=en |access-date=2022-08-29 |archive-date=2022-07-01 |archive-url=https://web.archive.org/web/20220701161116/https://www.musicweek.com/digital/read/inside-mqa-s-audio-revolution/083846 |dead-url=no }}&amp;lt;/ref&amp;gt;。MQA是一个专有系统，使用时需要支付授权费用。&lt;br /&gt;
&lt;br /&gt;
== 历史 ==&lt;br /&gt;
MQA的新闻发布会于2014年12月在伦敦举行&amp;lt;ref&amp;gt;{{Cite web |title=Meridian Launch MQA ‘Master Quality Authenticated’ Audio Format |url=http://www.hificritic.com/1/post/2014/12/-meridian-launch-mqa-master-quality-authenticated-audio-format.html |website=hificritic.com |language=en-US |access-date=2022-08-29 }}{{Dead link}}&amp;lt;/ref&amp;gt;，随后该公司于2015年1月在拉斯维加斯的消费电子展上举办了一个演示室&amp;lt;ref&amp;gt;{{Cite web |title=Meridian MQA at CES 2015: Part II Listening – Real HD-Audio |url=https://www.realhd-audio.com/?p=4036 |language=en-US |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829130912/https://www.realhd-audio.com/?p=4036 |dead-url=no }}&amp;lt;/ref&amp;gt;。最初提供MQA解码的硬件制造商是[[先鋒 (公司)|Pioneer]]、Onkyo和Mytek&amp;lt;ref&amp;gt;{{Cite web |title=Master Quality Authenticated (MQA) Launches Major Partnerships and New Development Platforms at CES 2016 |url=https://audioxpress.com/news/Master-Quality-Authenticated-MQA-Launches-Major-Partnerships-and-New-Development-Platforms-at-CES-2016 |website=audioXpress |language=en |access-date=2022-08-29 |archive-date=2021-02-27 |archive-url=https://web.archive.org/web/20210227093057/https://audioxpress.com/news/Master-Quality-Authenticated-MQA-Launches-Major-Partnerships-and-New-Development-Platforms-at-CES-2016 |dead-url=no }}&amp;lt;/ref&amp;gt;。2016年5月，[[華納音樂集團|华纳音乐集团]]与MQA签署了长期授权协议&amp;lt;ref&amp;gt;{{Cite web |date=2016-05-08 |title=Warner becomes first major to sign deal with HD music firm MQA |url=https://www.musicbusinessworldwide.com/warner-becomes-first-major-sign-deal-hd-music-firm-mqa/ |website=Music Business Worldwide |language=en-US |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829130910/https://www.musicbusinessworldwide.com/warner-becomes-first-major-sign-deal-hd-music-firm-mqa/ |dead-url=no }}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;未命名-20230316175844&amp;quot;&amp;gt;{{Cite web |last=published |first=Joe Cox |date=2017-05-16 |title=Home |url=https://www.whathifi.com/news/mqa-confirms-sony-music-and-merlin-hi-res-audio-partners |website=whathifi |language=en |access-date=2022-08-29 |archive-date=2017-05-17 |archive-url=https://web.archive.org/web/20170517060657/https://www.whathifi.com/news/mqa-confirms-sony-music-and-merlin-hi-res-audio-partners |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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[[美國唱片業協會|RIAA]]在2016年5月宣布，[[MPEG-4|MPEG-4 SLS]]和MQA有资格在其产品上使用[[高解析度音频|Hi-Res MUSIC]]标志&amp;lt;ref&amp;gt;{{Cite web |date=2016-05-11 |title=HI-RES MUSIC INITIATIVE EXPANDS TO INCLUDE MUSIC STREAMING SERVICES |url=https://www.riaa.com/hi-res-music-initiative-expands-to-include-music-streaming-services/ |website=RIAA |language=en-US |access-date=2022-08-29 |archive-date=2016-05-18 |archive-url=https://web.archive.org/web/20160518150123/http://www.riaa.com/hi-res-music-initiative-expands-to-include-music-streaming-services/ |dead-url=no }}&amp;lt;/ref&amp;gt;，尽管后者的标志是用于无损音频记录&amp;lt;ref&amp;gt;{{Cite web |date=2015-06-23 |title=High Resolution Audio Initiative Gets Major Boost with New “Hi-Res MUSIC” Logo and Branding Materials for Digital Retailers |url=https://www.riaa.com/high-resolution-audio-initiative-gets-major-boost-with-new-hi-res-music-logo-and-branding-materials-for-digital-retailers/ |website=RIAA |language=en-US |access-date=2022-08-29 |archive-date=2019-05-04 |archive-url=https://web.archive.org/web/20190504122117/https://www.riaa.com/high-resolution-audio-initiative-gets-major-boost-with-new-hi-res-music-logo-and-branding-materials-for-digital-retailers/ |dead-url=no }}&amp;lt;/ref&amp;gt;。到2017年，音乐发行公司[[華納音樂集團|华纳音乐集团]]、[[环球音乐集团]]、[[索尼音樂娛樂|索尼音乐]]和Merlin Network已经同意将他们的一些录音制作成MQA格式&amp;lt;ref name=&amp;quot;未命名-20230316175844&amp;quot;/&amp;gt;。[[虾米音乐]]在2019年7月开始通过其SVIP服务提供MQA流媒体，然而该音乐服务于2021年2月终止&amp;lt;ref&amp;gt;{{Cite web |date=2019-07-16 |title=Alibaba-owned Xiami Music partners with HD audio firm MQA |url=https://www.musicbusinessworldwide.com/alibaba-owned-xiami-music-partners-with-hd-audio-firm-mqa/ |website=Music Business Worldwide |language=en-US |access-date=2022-08-29 |archive-date=2021-09-17 |archive-url=https://web.archive.org/web/20210917230110/https://www.musicbusinessworldwide.com/alibaba-owned-xiami-music-partners-with-hd-audio-firm-mqa/ |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
2018年3月，发布MQA Live编码器盒，其目的是使用MQA压缩算法对现场音乐会进行流媒体播放&amp;lt;ref&amp;gt;{{Cite web |last=published |first=Becky Roberts |date=2018-03-19 |title=Home |url=https://www.whathifi.com/news/mqa-live-promises-original-quality-real-time-concert-streams |website=whathifi |language=en |access-date=2022-08-29 |archive-date=2018-12-19 |archive-url=https://web.archive.org/web/20181219043950/https://www.whathifi.com/news/mqa-live-promises-original-quality-real-time-concert-streams |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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2021年4月，互联网电台Radio Paradise开始在其频道上提供MQA&amp;lt;ref&amp;gt;{{Cite web |last=published |first=Mary Stone |date=2021-03-31 |title=MQA, BluOS and Radio Paradise bring hi-res audio to internet radio |url=https://www.whathifi.com/news/mqa-bluos-and-radio-paradise-bring-hi-res-audio-to-internet-radio |website=whathifi |language=en |access-date=2022-08-29 |archive-date=2021-09-17 |archive-url=https://web.archive.org/web/20210917225019/https://www.whathifi.com/news/mqa-bluos-and-radio-paradise-bring-hi-res-audio-to-internet-radio |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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2021年5月，[[Apple Music|苹果音乐]]流媒体服务宣布了无损音频服务，这被称为MQA的“丧钟”&amp;lt;ref&amp;gt;{{Cite web |title=Apple Lossless Audio is Death Knell for MQA – Real HD-Audio |url=https://www.realhd-audio.com/?p=7274 |language=en-US |access-date=2022-08-29 |archive-date=2022-01-11 |archive-url=https://web.archive.org/web/20220111091706/https://www.realhd-audio.com/?p=7274 |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
== 编解码器 ==&lt;br /&gt;
MQA编码是[[有损数据压缩|有损]]的&amp;lt;ref&amp;gt;{{Cite web |date=2016-06-01 |title=An inconvenient truth: MQA sounds better! {{!}} Darko.Audio |url=https://darko.audio/2016/06/an-inconvenient-truth-mqa-sounds-better/ |website=darko.audio |language=en-US |access-date=2022-08-29 |archive-date=2020-08-11 |archive-url=https://web.archive.org/web/20200811003404/https://darko.audio/2016/06/an-inconvenient-truth-mqa-sounds-better/ |dead-url=no }}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{Cite web |last=Systems |first=Benchmark Media |title=Is MQA DOA? |url=https://benchmarkmedia.com/blogs/application_notes/163302855-is-mqa-doa |website=Benchmark Media Systems |language=en |access-date=2022-08-29 |archive-date=2020-01-30 |archive-url=https://web.archive.org/web/20200130050813/https://benchmarkmedia.com/blogs/application_notes/163302855-is-mqa-doa |dead-url=no }}&amp;lt;/ref&amp;gt;，它将高频段相对较少的能量分层压缩成数据流，利用专有的抖动技术嵌入到低频段中，允许明显降低[[采样率]]，从而减少文件大小。&lt;br /&gt;
&lt;br /&gt;
经过一系列这样的“折纸”操作&amp;lt;ref&amp;gt;{{Cite web |date=2016-08-11 |title=MQA: Questions and Answers Tutorial: Music Origami |url=https://www.stereophile.com/content/mqa-questions-and-answers-tutorial-music-origami |website=Stereophile.com |language=en |access-date=2022-08-29 |archive-date=2016-08-14 |archive-url=https://web.archive.org/web/20160814182806/http://www.stereophile.com/content/mqa-questions-and-answers-tutorial-music-origami |dead-url=no }}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{Cite web |title=MQA 192k / 96k There and back again. |url=https://www.audiomisc.co.uk/MQA/origami/ThereAndBack.html |website=www.audiomisc.co.uk |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829094642/https://www.audiomisc.co.uk/MQA/origami/ThereAndBack.html |dead-url=no }}&amp;lt;/ref&amp;gt;，原始音频的抖动和整形版本，连同修饰流（原始流和修改流之间的压缩差异），作为一个单一的24位流分发，其中最重要的比特被[[脈衝編碼調變|PCM]]音频占用，与非MQA播放设备兼容。根据不同的实现方式，可能只有13位被保留给PCM音频，低阶位被没有MQA解码器的设备渲染成噪音&amp;lt;ref&amp;gt;{{Cite web |last=Staff |first=Ars |date=2017-05-02 |title=MQA explained: Everything you need to know about high-res audio |url=https://arstechnica.com/gadgets/2017/05/mqa-explained-everything-you-need-to-know-about-high-res-audio/ |website=Ars Technica |language=en-us |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829094642/https://arstechnica.com/gadgets/2017/05/mqa-explained-everything-you-need-to-know-about-high-res-audio/ |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
与标准格式的另一个区别是采样过程。音频流被采样并与一个[[三角函数]]进行卷积，然后在播放过程中进行内插。所采用的技术，包括以有限的创新率对信号进行采样，是由一些研究人员在前十年开发的，包括Pier Luigi Dragotti等人&amp;lt;ref&amp;gt;{{Cite journal |last=Oñativia |first=Jon |last2=Dragotti |first2=Pier Luigi |date=2015 |title=Sparse sampling: theory, methods and an application in neuroscience |url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4315512/ |journal=Biological Cybernetics |volume=109 |issue=1 |doi=10.1007/s00422-014-0639-x |issn=0340-1200 |pmc=4315512 |pmid=25452206 |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829094641/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4315512/ |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
MQA编码的音频可以包含[[FLAC]]、[[Apple Lossless|ALAC]]或[[數位音樂光碟|CD-DA]]等文件格式；因此，它可以在有或没有MQA解码器的系统上播放。在后者的情况下，所产生的音频包含高频噪声，占据了三个最不重要的比特，因此在非MQA设备上的播放有效地限制在13比特。尽管这样，MQA声称质量高于“正常”的48/16，因为有新的采样和卷积过程&amp;lt;ref&amp;gt;{{Citation|title=MQA - A clever stealth DRM-Trojan|url=https://media.ccc.de/v/34c3-9113-mqa_-_a_clever_stealth_drm-trojan|date=2017-12-30|accessdate=2022-08-29|language=en|first=Christoph|last=Engemann|last2=Anton.schlesinger@studio-singer.de|archive-date=2018-01-01|archive-url=https://web.archive.org/web/20180101082433/https://media.ccc.de/v/34c3-9113-mqa_-_a_clever_stealth_drm-trojan|dead-url=no}}&amp;lt;/ref&amp;gt; 。&lt;br /&gt;
&lt;br /&gt;
除了MQA没有详细解释的采样和卷积方法外，其编码过程与[[XRCD]]和HDCD中使用的类似。&lt;br /&gt;
&lt;br /&gt;
然而，与[[MP3]]和[[WMA格式|WMA]]等其他有损压缩格式不同，MQA的有损编码方法类似于[[aptX]]、[[LDAC]]和[[WavPack]]混合有损编码，它使用时域ADPCM和比特率降低，而不是基于心理声学模型的感知编码。&lt;br /&gt;
&lt;br /&gt;
== 评价 ==&lt;br /&gt;
=== 正面评价 ===&lt;br /&gt;
The Absolute Sound的编辑Robert Harley在2016年3月表示，MQA“将永远改变我们和未来几代人考虑数字音频的方式”&amp;lt;ref&amp;gt;{{Cite web |title=Master Quality Authenticated (MQA): The View From 30,000 Feet |url=https://www.theabsolutesound.com/articles/master-quality-authenticated-mqa-the-view-from-30000-feet/ |website=The Absolute Sound |language=en-US |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829102034/https://www.theabsolutesound.com/articles/master-quality-authenticated-mqa-the-view-from-30000-feet/ |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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Stereophile的编辑John Atkinson在2014年12月对MQA的推出作了如下表述：“在近40年的音频媒体活动中，我很少有机会感觉到我是在一个新世界的诞生现场&amp;lt;ref&amp;gt;{{Cite web |date=2014-12-21 |title=I&amp;#039;ve Heard the Future of Streaming: Meridian&amp;#039;s MQA |url=https://www.stereophile.com/content/ive-heard-future-streaming-meridians-mqa |website=Stereophile.com |language=en |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829102029/https://www.stereophile.com/content/ive-heard-future-streaming-meridians-mqa |dead-url=no }}&amp;lt;/ref&amp;gt;。”&lt;br /&gt;
&lt;br /&gt;
在2L唱片公司2015年宣布推出MQA重制的钢琴唱片时，公司老板Morten Lindberg说：“我和Bob一起花了很多时间听原版唱片，不断被MQA带来的难以置信的空间感和清晰度所惊讶”，相比之下，早期数字技术最初用于录音的缺点和不足&amp;lt;ref&amp;gt;{{Cite web |title=Morten Lindberg speaks about MQA |url=https://www.monoandstereo.com/2016/01/morten-lindberg-speaks-about-mqa.html |access-date=2022-08-29 |archive-date=2022-01-21 |archive-url=https://web.archive.org/web/20220121150547/https://www.monoandstereo.com/2016/01/morten-lindberg-speaks-about-mqa.html |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
在[[大西洋唱片|大西洋唱片公司]]宣布将销售使用MQA格式的唱片时，首席执行官Craig Kallman在2016年5月表示：“MQA使高分辨率的音乐可以轻松地流媒体或下载到任何设备。乐迷们听到后会喜欢上它，WMG很高兴能与MQA合作，在将高清晰度音乐带给全球消费者方面迈出下一步”&amp;lt;ref&amp;gt;{{Cite web |last=Andy Clough published |date=2016-05-06 |title=Home |url=https://www.whathifi.com/news/warner-music-group-becomes-first-big-label-to-adopt-mqa |website=whathifi |language=en |access-date=2022-08-29 |archive-date=2016-05-07 |archive-url=https://web.archive.org/web/20160507120853/http://www.whathifi.com/news/warner-music-group-becomes-first-big-label-to-adopt-mqa |dead-url=no }}&amp;lt;/ref&amp;gt;。同样，当[[环球音乐集团]]在2017年2月宣布他们将以MQA格式销售歌曲时，公司高管Michael Nash说：“与MQA合作，我们正在与一个合作伙伴合作，其技术是流媒体高清晰度音频的最佳解决方案之一，而且不会要求乐迷为了方便而牺牲音质”&amp;lt;ref&amp;gt;{{Cite web |date=2017-02-16 |title=Universal second major to sign licensing deal with HD music firm MQA |url=https://www.musicbusinessworldwide.com/universal-second-major-sign-deal-hd-music-firm-mqa/ |website=Music Business Worldwide |language=en-US |access-date=2022-08-29 |archive-date=2017-02-21 |archive-url=https://web.archive.org/web/20170221142206/http://www.musicbusinessworldwide.com/universal-second-major-sign-deal-hd-music-firm-mqa |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
=== 负面评价 ===&lt;br /&gt;
歌手兼音乐家[[尼爾·楊|Neil Young]]对MQA格式表示反感，说母带在编码为MQA时被“降级和操纵”，因此他在发现[[Tidal]]服务上的曲目未经他的许可被编码为MQA后，他从Tidal删除了他的音乐，批评[[華納音樂集團|华纳音乐集团]]将母带不比CD质量好的音乐编码为MQA。他还把这种格式定性为收取版权费的一种方式&amp;lt;ref&amp;gt;{{Cite web |title=Neil Young Archives |url=https://neilyoungarchives.com/ |website=neilyoungarchives.com |language=en-US |access-date=2022-08-29 |archive-date=2021-02-18 |archive-url=https://web.archive.org/web/20210218052128/https://neilyoungarchives.com/ |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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在网络论坛，如Audiophile Style论坛&amp;lt;ref&amp;gt;{{Cite web |title=Some analysis and comparison of MQA encoded FLAC vs normal optimized hires FLAC |url=https://audiophilestyle.com/blogs/entry/466-some-analysis-and-comparison-of-mqa-encoded-flac-vs-normal-optimized-hires-flac/ |website=Audiophile Style |language=en-US |access-date=2022-08-29 |archive-date=2019-04-02 |archive-url=https://web.archive.org/web/20190402221642/https://audiophilestyle.com/blogs/entry/466-some-analysis-and-comparison-of-mqa-encoded-flac-vs-normal-optimized-hires-flac/ |dead-url=no }}&amp;lt;/ref&amp;gt;和音频杂志网站的评论中，已经有一些批评意见，一些作曲家在某些方面表示了关注。在超过80个详细的问题中，其中一些表达了这些担忧，这些被提交给Audiophile Style论坛的编辑，随后MQA的创造者Bob Stuart在一篇问答文章中详细解答&amp;lt;ref name=&amp;quot;:0&amp;quot;&amp;gt;{{Cite web |title=A Comprehensive Q&amp;amp;A With MQA&amp;#039;s Bob Stuart |url=https://audiophilestyle.com/ca/ca-academy/a-comprehensive-q-a-with-mqa-s-bob-stuart/ |website=Audiophile Style |language=en-US |access-date=2022-08-29 |archive-date=2019-03-30 |archive-url=https://web.archive.org/web/20190330204757/https://audiophilestyle.com/ca/ca-academy/A-Comprehensive-Q-A-With-MQA-s-Bob-Stuart/ |dead-url=no }}&amp;lt;/ref&amp;gt;。Audiophile Style论坛的编辑随后更新了这篇文章，并声明“Bob Stuart的大部分回答都被揭穿了，MQA技术现在被认为对唱片公司和MQA有限公司以外的人没有任何好处”&amp;lt;ref name=&amp;quot;:0&amp;quot; /&amp;gt;。&lt;br /&gt;
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音频产品制造商Schiit Audio宣布，它将不支持MQA，原因之一是对“……支持MQA意味着将整个录音行业交给一个外部标准组织”的理解&amp;lt;ref&amp;gt;{{Cite web |title=Schiit Audio: Audio Products Designed and Built in California and Texas |url=https://www.schiit.com/news/news/why-we-wont-be-supporting-mqa |website=www.schiit.com |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829113911/https://www.schiit.com/news/news/why-we-wont-be-supporting-mqa |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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在一篇题为&amp;quot;MQA is Bad for Music. Here&amp;#039;s Why&amp;quot;&amp;lt;ref name=&amp;quot;:1&amp;quot;&amp;gt;{{Cite web |title=MQA is Bad For Music. Here&amp;#039;s Why. |url=https://www.linn.co.uk/blog/mqa-is-bad-for-music-heres-why |website=Linn International |language=en |access-date=2022-08-29 |archive-date=2021-04-19 |archive-url=https://web.archive.org/web/20210419162218/https://www.linn.co.uk/blog/mqa-is-bad-for-music-heres-why |dead-url=no }}&amp;lt;/ref&amp;gt;的博客中，高保真音响制造商Linn Products批评了MQA的许可要求，声称MQA是“……试图控制并从供应链的每个部分提取收入，而不仅仅是控制他们拥有权利的内容&amp;lt;ref name=&amp;quot;:1&amp;quot; /&amp;gt;。”在讨论了艺术家和消费者的几个缺点之后，Linn总结说，作为一个消费者，你将“……为同样的音乐支付更高的价格，你也将为你的高保真系统支付更多的费用&amp;lt;ref name=&amp;quot;:1&amp;quot; /&amp;gt;。”&lt;br /&gt;
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在对在线出版物&amp;#039;&amp;#039;Positive Feedback&amp;#039;&amp;#039;的采访中，工程师Andreas Koch对MQA提出了批评，因为它的算法和压缩有损失，同时还有许可要求；他还说，这样的格式 “不能解决目前世界上的任何问题”&amp;lt;ref&amp;gt;{{Cite web |last=Koch |first=Andreas |date=2017-03-16 |title=MQA |url=https://positive-feedback.com/audio-discourse/questions-answers-mqa-interview-andreas-koch/ |website=Positive Feedback |language=en |access-date=2022-08-29 |archive-date=2022-08-29 |archive-url=https://web.archive.org/web/20220829113914/https://positive-feedback.com/audio-discourse/questions-answers-mqa-interview-andreas-koch/ |dead-url=no }}&amp;lt;/ref&amp;gt;。Koch参与了[[Super Audio CD|超级音频CD]]的创建，直接流数字编解码器的开发，并且是音频产品制造商Playback Designs的联合创始人。&lt;br /&gt;
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音频设备评论网站GoldenSound通过使用在Tidal上发布的作者创作的音轨来研究MQA&amp;lt;ref name=&amp;quot;:2&amp;quot;&amp;gt;{{Citation|title=I published music on Tidal to test MQA - MQA Review|url=https://www.youtube.com/watch?v=pRjsu9-Vznc|accessdate=2022-08-29|language=zh-CN|archive-date=2021-04-17|archive-url=https://web.archive.org/web/20210417082840/https://www.youtube.com/watch?v=pRjsu9-Vznc|dead-url=no}}&amp;lt;/ref&amp;gt;。通过分析MQA转换前后的曲目，发现用MQA编码的文件改变了文件中封装的声音&amp;lt;ref&amp;gt;{{Cite web |last=One |first=Golden |date=2021-11-29 |title=Tidal &amp;#039;HiFi&amp;#039; is NOT lossless |url=https://goldensound.audio/2021/11/29/tidal-hifi-is-not-lossless/ |website=GoldenSound |language=en-GB |access-date=2022-08-29 |archive-date=2022-01-10 |archive-url=https://web.archive.org/web/20220110093139/https://goldensound.audio/2021/11/29/tidal-hifi-is-not-lossless/ |dead-url=no }}&amp;lt;/ref&amp;gt;。GoldenSound推断，这种编码方法表明MQA一直在提供毫无根据的信息，说明他们的编码和格式是如何工作的。在与MQA联系要求澄清这些问题后不久，这些文件被从Tidal删除。MQA表示，所提供的文件不是抖动的，而是被截断的16位文件（意味着它们原来的比特率较高），导致了编码中的问题&amp;lt;ref&amp;gt;{{Cite web |title=MQA Response |url=https://pastebin.com/2YfT6vfZ |website=Pastebin.com |access-date=2022-08-29 |archive-date=2021-05-08 |archive-url=https://web.archive.org/web/20210508023129/https://pastebin.com/2YfT6vfZ |dead-url=no }}&amp;lt;/ref&amp;gt;。GoldenSound对此提出异议，说他们已经测试了该音轨的抖动和非抖动。GoldenSound还报告了音频指纹验证技术的无效性&amp;lt;ref name=&amp;quot;:2&amp;quot; /&amp;gt;&amp;lt;ref&amp;gt;{{Cite web |last=By |date=2021-04-21 |title=Mythbusting Tidal’s MQA Format – How Does It Measure Up? |url=https://hackaday.com/2021/04/21/mythbusting-tidals-mqa-format-how-does-it-measure-up/ |website=Hackaday |language=en-US |access-date=2022-08-29 |archive-date=2021-05-12 |archive-url=https://web.archive.org/web/20210512164840/https://hackaday.com/2021/04/21/mythbusting-tidals-mqa-format-how-does-it-measure-up/ |dead-url=no }}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{Cite web |last=Wilson |first=Trav |title=The Roiling MQA Debate: A Sound Quality Test on TIDAL That Leaves More Questions than Answers - Headphonesty |url=https://www.headphonesty.com/2021/05/tidal-mqa-golden-sound-debate/ |language=en-US |access-date=2022-08-29 |archive-date=2021-05-12 |archive-url=https://web.archive.org/web/20210512164841/https://www.headphonesty.com/2021/05/tidal-mqa-golden-sound-debate/ |dead-url=no }}&amp;lt;/ref&amp;gt;，Neil Young和FredericV也遇到过这种情况&amp;lt;ref&amp;gt;{{Cite web |title=FREQUENTLY ASKED QUESTIONS (FAQ) |url=https://digital-audio-systems.com/frequently-asked-questions-faq/?lang=en |website=Digital Audio Systems |language=en-US |access-date=2022-08-29 |archive-date=2022-01-11 |archive-url=https://web.archive.org/web/20220111093327/https://digital-audio-systems.com/frequently-asked-questions-faq/?lang=en |dead-url=no }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
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== 參考资料 ==&lt;br /&gt;
{{Reflist|3}}&lt;br /&gt;
&lt;br /&gt;
[[Category:音频编解码器]]&lt;br /&gt;
[[Category:2014年计算机科学]]&lt;/div&gt;</summary>
		<author><name>~2025-58297-5</name></author>
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