Editing Sound card (section)

====Crippling of features====
{{Main|Crippleware}}
As of 2024, sound cards are not commonly programmed with the audio loopback systems commonly called ''stereo mix'', ''wave out mix'', ''mono mix'' or ''what u hear'', which previously allowed users to digitally record output otherwise only accessible to speakers.

[[Lenovo]] and other manufacturers fail to implement the feature in hardware, while other manufacturers disable the [[device driver|driver]] from supporting it. In some cases, loopback can be reinstated with driver updates.<ref>Installing an LG driver on many Dells with Sigmatel 92xx chip, including the Inspiron 6400 and other models can add support for stereo mix. [http://en.community.dell.com/support-forums/laptop/f/3517/p/18549377/18672363.aspx#18672363] {{Webarchive|url=https://web.archive.org/web/20130520132558/http://en.community.dell.com/support-forums/laptop/f/3517/p/18549377/18672363.aspx#18672363|date=2013-05-20}} Reference dates from 2007 and covers Windows XP and Vista.</ref> Alternatively, software such as [[Virtual Audio Cable|virtual audio cable]] applications can be purchased to enable the functionality. According to Microsoft, the functionality was hidden by default in Windows Vista to reduce user confusion, but is still available, as long as the underlying sound card drivers and hardware support it.<ref>{{cite web|url=https://blogs.msdn.microsoft.com/larryosterman/2008/07/11/whatever-happened-to-wave-out-mix/|title=Whatever happened to Wave Out Mix? – Larry Osterman's WebLog – Site Home – MSDN Blogs|website=Blogs.msdn.com|access-date=September 7, 2017}}</ref> 

Ultimately, the user can use the [[analog loophole]] and connect the line out directly to the line in on the sound card. However, in laptops, manufacturers have gradually moved from providing 3 separate jacks with TRS connectors{{snd}}usually for line in, line out/headphone out and microphone{{snd}}into just a single combo jack with TRRS connector that combines inputs and outputs.