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System and method for distributed audio recording and collaborative mixing

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20130039496 patent thumbnailZoom

System and method for distributed audio recording and collaborative mixing


Two or more wireless devices can be independently controlled by their respective users, a mixer component, or a leader wireless device to perform audio recording, convert the recorded audio into a standard or proprietary audio stream format, and transmit the audio stream to a server. The real-time clocks of two or more participating wireless devices can be synchronized. A wireless device can insert timestamps into the audio stream to facilitate the mixing operation. Mixing of the two or more audio streams recorded by wireless devices can be performed by a mixer component either in real time (contemporaneously with the recording) or asynchronously with respect to the recording. The mixing can be performed in a fully automated mode, and/or in an operator-assisted mode.
Related Terms: Audio Mixer Server Tempo Async Asynchronous Distributed Real Time Synchronous Timestamp Wireless

Browse recent Syracuse University patents - Syracuse, NY, US
USPTO Applicaton #: #20130039496 - Class: 381 17 (USPTO) - 02/14/13 - Class 381 
Electrical Audio Signal Processing Systems And Devices > Binaural And Stereophonic >Pseudo Stereophonic

Inventors: David Grandinetti, James Howison, Ian Molloy

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The Patent Description & Claims data below is from USPTO Patent Application 20130039496, System and method for distributed audio recording and collaborative mixing.

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CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to U.S. Utility application Ser. No. 12/194,205 filed on Aug. 19, 2008, which claims priority under 35 U.S.C §119(e) of the following provisional application: U.S. Ser. No. 60/965,581, filed Aug. 21, 2007, entitled “SYSTEM AND METHOD FOR DISTRIBUTED AUDIO RECORDING AND COLLABORATIVE MIXING”, the content of which is incorporated herein by reference.

FIELD OF THE INVENTION

This invention relates generally to wireless devices capable of audio recording, and more specifically to distributed audio recording and collaborative mixing by two or more wireless devices.

BACKGROUND OF THE INVENTION

Wireless devices, such as laptop computers, personal digital assistants (PDAs), cellular phones, etc., bring new resources to distributed computing. In addition to typical computational resources such as CPU, disk space, and applications, wireless devices increasingly employ cameras, microphones, GPS receivers, and other types of sensors. A wireless device by definition has at least one wireless communication interface (e.g., cell, radio frequency, Wi-Fi, or Bluetooth™). Users increasingly take wireless devices with them to new places, in both their personal and professional lives. The ability of wireless devices to form ad-hoc grids allows using the available resources in a collaborative manner, by aggregating information from the range of input/output interfaces found in wireless devices, by leveraging the locations and contexts in which wireless devices are located, and finally, by leveraging the mesh network capabilities of wireless devices. Wireless grids allow coordinated collaboration of heterogeneous inherently unreliable devices, across unreliable network connections.

The inherent unreliability of wireless devices is primarily caused by the fact that those devices are, due to their mobile nature, battery-powered. Thus, reducing the power consumption and mitigating the inherent unreliability are two goals of a paramount importance.

Thus, there is a need in distributed systems and applications which can assist in achieving both goals by off-loading processing and data management to non-mobile devices, or to wireless devices which can be reachable with less transmitter power.

SUMMARY

OF THE INVENTION

There is provided a system for distributed audio recording and collaborative mixing by combining audio streams from two or more sources into a single stream that is composed of two or more channels. Leveraging the spatial location of the devices allows the producing of high quality multi-channel sound (e.g., stereo sound or surround sound).

Two or more wireless devices can be located near a sound source, e.g., at a business meeting, symphony concert, or a live lecture. The wireless devices can be independently controlled by their respective users, by a mixer component, or by a leader wireless device. The wireless devices can convert the recorded audio into a standard or proprietary audio stream format, and transmit the audio stream to a mixer component which can run on a remote computer.

The real-time clocks of two or more participating wireless devices can be synchronized. A wireless device can insert timestamps into the audio stream to facilitate the mixing operation.

Mixing of the two or more audio streams recorded by wireless devices can be performed by a mixer component either in real time (contemporaneously with the recording) or asynchronously with respect to the recording. The mixing can be performed in a fully automated mode, and/or in an operator-assisted mode.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates a network level view of a sample embodiment of a system for distributed audio recording and collaborative mixing

FIG. 2 illustrates the operation of the mixer component in a fully automated mode.

FIG. 3 illustrates a sample graphical user interface (GUI) for the operation of the mixer component in an operator-assisted mode.

The drawings are not necessarily to scale, emphasis instead generally being placed upon illustrating the principles of the invention. In the drawings, like numerals are used to indicate like parts throughout the various views.

DETAILED DESCRIPTION

OF THE INVENTION

There is provided a system for distributed audio recording and collaborative mixing, by combining audio streams from multiple sources into a single stream that is composed of multiple channels. Leveraging the spatial location of the devices allows to produce high quality multi-channel sound (e.g., stereo sound or surround sound).



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stats Patent Info
Application #
US 20130039496 A1
Publish Date
02/14/2013
Document #
13652461
File Date
10/15/2012
USPTO Class
381 17
Other USPTO Classes
International Class
04R5/00
Drawings
4


Audio
Mixer
Server
Tempo
Async
Asynchronous
Distributed
Real Time
Synchronous
Timestamp
Wireless


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