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Topic: Audio stream input output

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	Audio Stream Input/Output - Hydrogenaudio Knowledgebase
		Audio Stream Input/Output (ASIO) is a low latency audio application programming interface designed by Steinberg for high speed communications between audio hardware and software, such as the the interaction between MIDI Controllers and MIDI Sequencers needed by musicians and studio engineers.
		ASIO has made its mark as the driver standard for delivering low-latency transfer of digital audio.
		This means that hardware supporting an ASIO driver is able to deliver low-latency recording and monitoring to hard disk.
	wiki.hydrogenaudio.org /index.php?title=ASIO (317 words)

	Audio data processing systems and methods utilizing high oversampling rates - Patent 7062340
		The input stream is requantized in a first processing block at the high oversampling rate to a second quantization.
		The audio system of claim 12, wherein the first quantization is of a first number of bits and the second quantization is of a second number of bits, the first number of bits being less than the second number of bits.
		The direct input to quantizer 206, the output from first integrator stage 302a, and the output from second integrator stage 302b are summed into the input of quantizer 305 by summer 304.
	www.freepatentsonline.com /7062340.html (3988 words)

	Harmony Central®: Steinberg: ASIO 2.0
		ASIO is a standardized way of describing the communication between audio software and a piece of audio hardware.
		For a user, the knowledge that an ASIO driver exists for a particular piece of hardware, is a sign that there will be a performance boost, compared with the same audio card configured to use the Operating System's own mechanism, and often an accompanying latency reduction, shown by reduced monitoring delays.
		The Audio Stream In/Out (ASIO) technology has allowed many audio hardware designers to create drivers to link audio hardware to ASIO compatible hosts, avoiding the need to use either operating system support for audio hardware, or knowledge of the inner workings of the ASIO host application.
	www.harmony-central.com /Newp/WNAMM99/Steinberg/ASIO-2.0.html (702 words)

	Integral switched capacitor FIR filter/digital-to-analog converter for sigma-delta encoded digital audio - Patent ...
		This data stream is fed to a sixty-four times oversampler 12 and then to a finite impulse response (FIR) interpolator 13 to increase the data rate and smooth out the sixty-four samples between the samples from the source 11.
		The output thereof is a single bit stream of the same frequency as the input data to the encoder 14, i.e., 3.072 or 2.8224 MHz for DAT or CD, respectively.
		Output from the flip-flop 35, referred to here as a shift register tap, controls exemplary 2:1 switches 36, 37 to perform the 2.times.2 switch function.
	www.freepatentsonline.com /5012245.html (3527 words)

	Wave Digital Systems (Site not responding. Last check: )
		ASIO (Audio Stream Input/Output architecture) is a software engine originally developed by Steinberg to allow access to audio hardware from Cubase VST.
		The problem was that for each new audio card that was released by a hardware manufacturers, the software companies has to make an early decision as to whether to support the card or not.
		Furthermore, audio data (since it is usually 44100 16 bit samples per second, per mono track!) can get rather dense, and since music is a real-time art form, this means we must move these massive amounts of data quickly, and in a very reliable fashion.
	www.wavedigital.com /apple/faq.htm (652 words)

	Rane Professional Audio Reference (A)
		The preamplifier increases the input signals from mic-level, for instance, to line-level.
		Since modern analog audio electronic circuits consist of stages characterized by very high input and very low output impedances, the term is now broaden to include all L-shaped networks without the requirement of providing constant impedance to the source or load.
		Audio Timeline A most fascinating audio development timeline created by three esteemed AES members, Jerry Bruck, Al Grundy and Irv Joel, as part of the 50th anniversary of the AES.
	www.rane.com /par-a.html (8237 words)

	NOAA Weather Radio - WunderWiki
		Some audio cards have the TAD or AUX inputs available as an input source but the jack is not found on the back of the audio card (or computer).
		If your streams is producing a lot of noise, hum, or if it is over-amplified, more than likely users will not want to hear the stream and will close it immediately (even if the NWS is trying to deliver important alert information).
		Once you are streaming, please compare your audio quality to other streams to match sure you do not have a problem.
	wiki.wunderground.com /index.php/NOAA_Weather_Radio (2818 words)

	Audio Streaming in Multi Media Framework - Client API
		The Audio Streaming API is the interface to streaming sampled audio data to and from the low level audio controller part of the Multimedia framework (MMF).
		Audio Recording, Conversion and Playing - advanced audio file manipulation features; specifically, the ability to record, convert and playback sound clips as well as to manipulate meta data.
		Audio Tone Player - a simple interface for tone generation (synthesized sounds) that is supported on all audio-capable devices.
	www.symbian.com /developer/techlib/v8.1bdocs/doc_source/guide/Multimedia-subsystem-guide/N100DA/AudioStreamingOverview.guide.html (1040 words)

	FFmpeg Documentation
		'-map file:index' specifies which input stream is used for each output stream, in the order of the definition of output streams.
		Mapping will be done automatically, if the number of output streams is equal to the number of input streams, else it will pick the first one that matches.
		"Stretches/squeezes" the audio stream to match the timestamps, the parameter is the maximum samples per second by which the audio is changed.
	ffmpeg.mplayerhq.hu /ffmpeg-doc.html (1775 words)

	Audio stream input output metal roof Audio stream input output
		Audio stream input output metal roof Audio stream input output
		Audio Stream Input Output is a protocol for low-latency digital audio specified by Steinberg
		Steinberg was bought by Pinnacle Systems in 2003, and since then, it appears to have stopped supporting ASIO.
	www.find-ask.com /Encyclopedia/Audio_stream_input_output/Audio_stream_input_output.html (232 words)

	Audio Stream Input/Output (Site not responding. Last check: )
		Mittels ASIO wird es einer entsprechenden Software ermöglicht, auf die Multi-channel-Fähigkeiten vieler (professioneller) Sound- und Recordingkarten zuzugreifen.
		Außerdem ermöglicht ASIO die für den professionellen Einsatz geforderten geringen Latenzzeiten.
		Die aktuelle Version von ASIO ist 2.1 (April 2005) und unterstützt jetzt auch DSD (Direct Stream Digital).
	www.jenskleemann.de /wissen/bildung/wikipedia/a/au/audio_stream_input_output.html (140 words)

	Analog Devices: Technology Leadership: Tutorial MT-017: Oversampling Interpolating DACs
		For instance, oversampling is common in digital audio CD players, where the basic update rate of the data from the CD is 44.1 kSPS.
		The 4×, 8×, or 16× data stream is passed through a digital interpolation filter which generates the extra data points.
		The output of a reconstruction DAC can be represented as a series of rectangular pulses whose width is equal to the reciprocal of the clock rate as shown in Figure 1.
	www.analog.com /jp/content/0,2886,758%255F%255F91588,00.html (1394 words)

	GNU Radio 3.0svn: Class List
		input: stream of unsigned char; output: stream of gr_complex
		input: stream of byte vectors; output: stream of byte vectors
		input: stream of bytes from gr_correlate_access_code_bb output: none.
	gnuradio.org /doc/doxygen/annotated.html (3042 words)

	diyAudio Forums - Open Source, Open Architecture! (Site not responding. Last check: )
		Audio Driver Protocols, programs that set standards for allowing data to be communicated between the system's software and hardware.
		ASIO, Audio Stream Input/Output, forms the backbone of VST, has variable bit depths and sample rates, multichannel operation, and synchronization.
		ASIO driver can reduce it down till it is unnoticable.
	www.diyaudio.com /forums/showthread.php?goto=newpost&threadid=83910 (650 words)

	Coyote Electronics - Sound Cards Supporting ASIO
		ASIO (Audio Stream Input/Output) is a technology invented by Steinberg (www.steinberg.net) to address a shortcoming of the Windows audio subsystem.
		An ASIO driver is able to achieve very low latency (in some cases below 2 ms) by bypassing the "kernel mixer" component of the Windows audio subsystem.
		Because ASIO is so popular (many audio applications use it) most of the recently introduced sound cards, and many older professional quality sound cards, are supplied with ASIO drivers.
	www.coyotes.bc.ca /SoundCards.html (214 words)

	Setting Up Audio in Cubase
		External audio interfaces are just that; an audio interface that connects to your computer either by a USB connection or a FireWire (IEEE 1394) connection.
		ASIO (Audio Stream, Input/Output) is an audio protocol invented by Steinberg that allows programs to communicate with sound cards or audio interfaces, quickly and efficiently.
		If no ASIO driver is installed we recommend that you check with your audio hardware manufacturer if they have an ASIO driver available, for example for download via the Internet.
	www.steinbergusers.com /cubase/newbie/cubase_newbie_audio.php (1167 words)

	Steinberg VST System Link
		Optionally, other bits of the audio stream can be used for up to hundreds of channels of MIDI information.
		You could record and playback audio tracks on one computer and then use MIDI to play virtual synthesizers on a second computer, use any number of effect processing on a third computer, and then mix it all on a fourth computer.
		Audio or MIDI data recorded outside of the studio on a laptop is easily integrated into the session, simply by docking onto the local system.
	mixonline.com /products/review/audio_steinberg_vst_system (1193 words)

	Low-Power Audio and Storage Input/Output Technologies for the Second-Generation Intel® Centrino™ Mobile ...
		Intel HD Audio keeps data stream traffic in non-cached system memory and uses DMI VC1 to permit the Intel HD Audio controller to write or read these data without needing to snoop them on the processor.
		CD audio playback and DVD movie playback are two common usage models that show the C4 power savings with Intel HD Audio as opposed to AC'97 audio.
		In addition to the power savings provided by Intel HD Audio during active workloads, there is also savings provided by the D3 low-power ACPI state when no audio stream is being processed.
	www.intel.com /technology/itj/2005/volume09issue01/art04_audio_iotech/p04_hidef_audio_power.htm (991 words)

	DmDX help, audioinput
		Output wave files also contain an RT cue if the Digital VOX device is used in conjunction with the RecordVocal device.
		The DigitalVOX device (which can be used in conjunction with the RecordVocal device) monitors audio data as it is captured and when it's energy rises beyond a preset threshold the button press +DigitalVOX is generated which is by default mapped to the VOX input.
		The redesigned DigitalVOX code no longer monitors the audio data for the duration of the response time limit (unless the the RecordVocal device has also been included and is running in legacy mode with no parameters), but instead stops as soon as a VOX trigger has been detected.
	psy1.psych.arizona.edu /~jforster/dmdx/help/dmdxhaudioinput.htm (906 words)

	ASIO - a definition from Whatis.com
		ASIO (Audio Stream Input/Output), developed by Steinberg, is a cross-platform, multi-channel audio transfer protocol that is being adopted by many of the manufacturers of audio/MIDI sequencing applications.
		ASIO expands on the basic capabilities of a standard computer sound card, most of which can only provide stereo (two-channel) audio input and output.
		The ASIO specification defines the interface that manufacturers of professional audio sound cards must use to create an ASIO driver for their hardware.
	whatis.techtarget.com /definition/0,,sid9_gci213488,00.html (231 words)

	[No title]
		Output - is a drop-down menu used to select the soundcard (output/input device) to be used by FL Studio.
		ASIO (Audio Stream Input Output) drivers allow the soundcard to communicate with the host computer with lower latency and CPU load when compared to standard audio drivers (e.g.
		An underrun is counted when the temporary store that holds audio prior to output to your soundcard runs out of data (a click or pop is usually associated with an underrun), it means the CPU couldn't process information fast enough.
	www.flstudio.com /help/html/envsettings_wave.htm (2049 words)

	NTONYX - VIrtual Audio Cable 4
		Virtual Audio Cable is a Windows WDM multimedia driver allowing you to transfer audio (wave) streams from one application to another.
		VAC is useful to record application's audio output in real time (for example - Generator, Reality or other software synth), or transfer a sound stream to another application processing it.
		If you use an audio encoder application that encodes a stream coming from a sound card, you can use VAC to supply such encoder with a stream produced by other application.
	www.ntonyx.com /vac.htm (727 words)

	Adobe - TechNote : Set up Adobe Audition 2.0 audio hardware drivers (ASIO and Audition Windows Sound) (Site not responding. Last check: )
		ASIO (Audio Stream Input/Output) is a multichannel transfer protocol that allows compatible software to have direct access to the multichannel capabilities of ASIO sound cards.
		ASIO provides no limitation on the sample rate or sample format and isn't bound to a fixed number of input and output audio channels.
		ASIO drivers address areas of efficient audio processing, high data throughput, synchronization, low signal latency, and extensibility of audio hardware.
	www.adobe.com /cfusion/knowledgebase/index.cfm?id=332220 (1035 words)

	Techspansion Support Forums » Printable Version of Topic » Converting iShowU caps
		Since iShowU captures and compresses to quicktime codecs in realtime, the files often tend to be of a variable framerate.
		The original audio can't be passed through and must be converted.
		The original audio is already aac 128kbit, so passthrough should be harmless since I can do passthrough in a mpeg-4 export in QuickTime player as well.
	www.isquint.org /cgi-bin/ikonboard.cgi?act=Print;f=10;t=1290 (541 words)

	Audio stream input output - Definition, explanation
		Audio Stream Input Output is a protocol for low-latency digital audio specified by Steinberg
		Steinberg was bought by Pinnacle Systems in 2003, and since then, it appears to have stopped supporting ASIO.
		ASIO4ALL is a freeware driver that brings ASIO support to users of virtually all consumer-grade soundcards under recent versions of Windows.
	www.calsky.com /lexikon/en/txt/a/au/audio_stream_input_output.php (158 words)

	Lexikon Audio Stream Input/Output
		Mittels ASIO wird es einer entsprechenden Software ermÃ¶glicht, auf die Multi-channel-FÃ¤higkeiten vieler (professioneller) Sound- und Recordingkarten zuzugreifen.
		AuÃerdem ermÃ¶glicht ASIO die fÃ¼r den professionellen Einsatz geforderten geringen Latenzzeiten.
		ASIO wird von vielen Audio- und Midi-Sequenzern unterstÃ¼tzt; viele Soundkartenhersteller stellen auch ASIO-Treiber fÃ¼r ihre Produkte bereit.
	lexikon.freenet.de /Audio_Stream_Input/Output (206 words)

	AVR Freaks :: View topic - Storing Data Stream Input
		I'm currently working on a project that reads SMPTE LTC timecode from a timecode generator, basically i'm running a clock to read the pulse width duration which determines whether the data is a 0 or a 1.
		The data is supplied as a audio signal which i'm feeding into the comparator of the mega128 and reading the pulses via input capture on timer1.
		I also use the same timer to create a timebase for the software by utilizing the output compare function, and incrementing the compare value on each interrupt.
	www.avrfreaks.net /index.php?name=PNphpBB2&file=printview&t=39867&start=0&sid=982bca32fefb23c022c279e08e7327f0&POSTNUKESID=3f2de0bafcb8403815ef4bcbde25218b (520 words)

	Sony Europe Announces First PC With DSD, ASIO 2.1 and Blu-Ray Disc - Printer Friendly version without Comments
		They target the needs of a range of audio groups from the professional user to Home Studio prosumers and consumers that wish to upgrade their CD (stereo PCM)-based music collections to fully featured high-resolution surround sound that will play back at high quality on their home entertainment systems.
		DSD is revolutionising the audio industry and Sony?s Sound Reality initiative is an important bridge to the future of high-resolution audio in the PC environment.
		Sony and Steinberg describe ASIO as "a cross-platform, multi-channel audio transfer protocol that is being adopted by many of the manufacturers of audio/MIDI (Musical Instrument Digital Interface) sequencing applications.
	www.cdrinfo.com /sections/news/Print.aspx?NewsId=13473 (1084 words)

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