Even after checking the box to show hidden devices I don't see HDMI listed in device manager under audio inputs. Thats why I'm thinking its the intel driver not talking to the device. I have several late 2014 mac mini's where this works fine on the same HDMI audio setup.
Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby to hear. Headphones are also known as earphones[1] or, colloquially, cans.[2] Circumaural ('around the ear') and supra-aural ('over the ear') headphones use a band over the top of the head to hold the speakers in place. Another type, known as earbuds or earpieces,[1] consists of individual units that plug into the user's ear canal. A third type are bone conduction headphones, which typically wrap around the back of the head and rest in front of the ear canal, leaving the ear canal open. In the context of telecommunication, a headset is a combination of a headphone and microphone.
These early headphones used moving iron drivers,[25] with either single-ended or balanced armatures. The common single-ended type used voice coils wound around the poles of a permanent magnet, which were positioned close to a flexible steel diaphragm. The audio current through the coils varied the magnetic field of the magnet, exerting a varying force on the diaphragm, causing it to vibrate, creating sound waves. The requirement for high sensitivity meant that no damping was used, so the frequency response of the diaphragm had large peaks due to resonance, resulting in poor sound quality. These early models lacked padding, and were often uncomfortable to wear for long periods. Their impedance varied; headphones used in telegraph and telephone work had an impedance of 75 ohms. Those used with early wireless radio had more turns of finer wire to increase sensitivity. Impedance of 1,000 to 2,000 ohms was common, which suited both crystal sets and triode receivers. Some very sensitive headphones, such as those manufactured by Brandes around 1919, were commonly used for early radio work.
I 've seen similar reports for other games that also had sound problems and after users removed any extra audio drivers, sound started working again. Looking into this problem I saw similar reports about Zoom audio drivers as well.
I have noticed that when this happens briefly I will see two audio devices listed when I click my volume control icon. It seems as if Jabber is defaulting to the built in speakers audio device despite the headphones being connected as the primary device. I am using Windows 7 and the latest audio drivers. The headphones are 3.5mm so they do not have their own audio driver like USB headphones do.
A possible solution to Bluetooth speaker playback issue:) I tried all the steps listed in several posting forums with no success. I finally found a solution after 3 hours of investigating. 1st several forums suggest updating drivers... but do not specify which drivers to update i.e. the Bluetooth device? (eg. bose audio, sony driver for sony Bluetooth headphones etc.), or the windows driver?
The mic and/or line inputs on many sound cards are miniature stereo 1/8" jacks. Both left and right channels appear in this configuration, sharing ground (3 connections). To use these inputs, you will likely need a stereo 1/8" male-to-two mono (whatever matches your input source) adapter. On most mixers, this will mean two 1/4" male plugs, on some mixers and most home tape decks, this would mean an "RCA" audio connector. Your local electronics store is a good source for any of these adapters.
Another way that you control audio recording and playback is by choosing your audio input and output drivers. If you only have one sound card you don't normally need to worry about this. There are two places you can configure your audio drivers - in the RealBand program, and in the Windows control panel (assuming you are using MME; ASIO is only configured within the recording program and ASIO driver control panel):
You are most likely (1) using a software synthesizer such as the Microsoft GS Wavetable or the Roland VSC as your MIDI output driver, or (2) you are using a DXi/VSTi software synth such as the VSC-DXi or ForteDXi with MME audio drivers. The dialogs to look in are Options Preferences MIDI MIDI Devices and Options Preferences Audio.
RealBand supports either ASIO or MME audio drivers. One of the main advantages to using ASIO in RealBand is that it allows you to play live from an external MIDI keyboard through a DXi synth with little latency. When using MME drivers with a DXi synth (such as the Roland VSC-DXi or ForteDXi), live playing is routed through the MIDI output driver rather than DXi synth. This is desirable because the latency of your MIDI output driver could be less than that of the DXi synth. However as discussed above, it may not be great if the only 'MIDI output driver' you have is the GS Wavetable. Manufacturers of dedicated sound cards usually have ASIO drivers available. If the manufacturer of your sound card doesn't have an ASIO driver, OR if you are having trouble using a specific ASIO driver, the free ASIO4ALL driver is a great substitute and works very well with most systems.
You select the Audio Driver type in Options Preferences Audio. You should normally check the "ASIO Always On" checkbox in the ASIO Audio Drivers dialog (the option is provided in case a particular ASIO driver has a problem with being on constantly - if unchecked, then it's turned off while your song is stopped). If you are using a DXi/VSTi synth, ASIO audio drivers, and have ASIO Always On enabled, you should be able to play your external MIDI controller and hear what you're playing with almost no latency through the DXi synth. You should find ASIO latency settings (also called 'buffer size') in the ASIO driver's control panel. A higher buffer size is 'safer' but more latency. You should start with a high buffer size and gradually reduce it until you start having problems, such as errors or audio glitches.
In the audio drivers menu, (Options Preferences Audio Drivers) check to see that Microsoft Sound Mapper is not highlighted in addition to your sound card drivers. Only your Sound card drivers should be highlighted, unless you only want to use the default audio driver selected in the Windows Control Panel.
How low you will be able to set the latency depends on how powerful your computer is, the quality of the sound card drivers, and what steps you have taken to optimize digital audio performance on your computer. There is a list of a number of things you can do to improve audio performance on your computer in FAQ topic 87.
You can do this as long as your computer has a stereo line input. Many laptops no longer have stereo audio inputs, only a mono mini-plug for a web microphone. However, almost all desktop computers DO have a stereo line-in. If you have a laptop that doesn't have stereo inputs, the following description will also work with external PCMCIA, USB, or Firewire stereo audio cards. Assuming you have a stereo input available, for sake of example assume we want to record two guitars:
The choice whether to run ASIO all the time, or just when RealBand is playing/recording, is offered in case anyone has problems running ASIO constantly. If ASIO is not always on, RealBand will route MIDI thru to your default MIDI destination (such as the MS GS Wavetable, Creative Soundcard synth, hardware MIDI synth, etc). This is to minimize playthru latency when ASIO is not always on, and it is the way MIDI Thru behaves with MME high-latency drivers as well.
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