Apple sound panner patent hints at simplified surround sound system
TweetFollow Us on Twitter

Apple sound panner patent hints at simplified surround sound system

An Apple patent (number 20120170758) has appeared at the U.S. Patent & Trademark Office for a multi-channel sound panner. It shows that the company is working on simplified ways of implementing surround sound -- and may hint at a feature of the rumored "iTV."

A method and apparatus for multi-channel panning is provided. The panner can support an arbitrary number of input channels and changes to configurations to the output sound space. For example, the panner seamlessly handles changes in the number of input channels. Also, the panner supports changes to the number and positions of speakers in the output space.

In one embodiment, the panner allows continuous control of attenuation and collapsing. In one embodiment, the panner keeps source channels on the periphery of the sound space when collapsing channels. In one embodiment, the panner allows control over the path by which sources collapse.

Here's Apple's background on the invention: "Sound panners are important tools in audio signal processing. Sound panners allow an operator to create an output signal from a source audio signal such that characteristics such as apparent origination and apparent amplitude of the sound are controlled. Some sound panners have a graphical user interface that depicts a sound space having a representation of one or more sound devices, such as audio speakers.

"As an example, the sound space may have five speakers placed in a configuration to represent a 5.1 surround sound environment. Typically, the sound space for 5.1 surround sound has three speakers to the front of the listener (front left (L) and front right (R), center (C)) and two surround speakers at the rear (surround left (LS) and surround right (RS)), and one LFE channel for low frequency effects (LFE). A source signal for 5.1 surround sound has five audio channels and one LFE channel, such that each source channel is mapped to one audio speaker.

"When surround sound was initially introduced, dialog was typically mapped to the center speaker, stereo music and sound effects were typically mapped to the left front speaker and the right front speaker, and ambient sounds were mapped to the surround (rear) speakers. Recently, however, all speakers are used to locate certain sounds via panning, which is particularly useful for sound sources such as explosions or moving vehicles. Thus, an audio engineer may wish to alter the mapping of the input channels to sound space speakers, which is where a sound panner is very helpful.

"Moreover, panning can be used to create the impression that a sound is originating from a position that does not correspond to any physical speaker in the sound space by proportionally distributing sound across two or more physical speakers. Another effect that can be achieved with panning is the apparent width of origination of a sound. For example, a gunshot can be made to sound as if it is originating from a point source, whereas the sound of a supermarket can be made to sound as if it is originating over the entire left side of the sound space.

"Conventional sound panners present a graphical user interface to help the operator to both manipulate the source audio signal and to visualize how the manipulated source audio signal will be mapped to the sound space. However, given the number of variables that affect the sound manipulation, and the interplay between the variables, it is difficult to visually convey information to the operator in a way that is most helpful to manipulate the sound to create the desired sound. For example, some of the variables that an operator can control are panning forward, backward, right, and/or left. Further, the source audio data may have many audio channels.

"Moreover, the number of speakers in the sound space may not match the number of channels of data in the source audio data. In order to handle this complexity, some sound panners only allow the operator process one channel of source audio at a time. However, processing one channel at a time can be laborious. Furthermore, this technique does not allow audio engineers to effectively coordinate multiple speakers. Therefore, improved techniques are desired for visually conveying information in a user interface of a sound panner.

"The approaches described in this section are approaches that could be pursued, but not necessarily approaches that have been previously conceived or pursued. Therefore, unless otherwise indicated, it should not be assumed that any of the approaches described in this section qualify as prior art merely by virtue of their inclusion in this section."

Aaron Eppolito is the inventor.

 

Community Search:
MacTech Search:

Software Updates via MacUpdate

djay Pro 1.1 - Transform your Mac into a...
djay Pro provides a complete toolkit for performing DJs. Its unique modern interface is built around a sophisticated integration with iTunes and Spotify, giving you instant access to millions of... Read more
Vivaldi 1.0.118.19 - Lightweight browser...
Vivaldi browser. In 1994, two programmers started working on a web browser. Our idea was to make a really fast browser, capable of running on limited hardware, keeping in mind that users are... Read more
Stacks 2.6.11 - New way to create pages...
Stacks is a new way to create pages in RapidWeaver. It's a plugin designed to combine drag-and-drop simplicity with the power of fluid layout. Features: Fluid Layout: Stacks lets you build pages... Read more
xScope 4.1.3 - Onscreen graphic measurem...
xScope is powerful set of tools that are ideal for measuring, inspecting, and testing on-screen graphics and layouts. Its tools float above your desktop windows and can be accessed via a toolbar,... Read more
Cyberduck 4.7 - FTP and SFTP browser. (F...
Cyberduck is a robust FTP/FTP-TLS/SFTP browser for the Mac whose lack of visual clutter and cleverly intuitive features make it easy to use. Support for external editors and system technologies such... Read more
Labels & Addresses 1.7 - Powerful la...
Labels & Addresses is a home and office tool for printing all sorts of labels, envelopes, inventory labels, and price tags. Merge-printing capability makes the program a great tool for holiday... Read more
teleport 1.2.1 - Use one mouse/keyboard...
teleport is a simple utility to let you use one single mouse and keyboard to control several of your Macs. Simply reach the edge of your screen, and your mouse teleports to your other Mac! The... Read more
Apple iMovie 10.0.8 - Edit personal vide...
With an all-new design, Apple iMovie lets you enjoy your videos like never before. Browse your clips more easily, instantly share your favorite moments, and create beautiful HD movies and Hollywood-... Read more
Box Sync 4.0.6233 - Online synchronizati...
Box Sync gives you a hard-drive in the Cloud for online storage. Note: You must first sign up to use Box. What if the files you need are on your laptop -- but you're on the road with your iPhone? No... Read more
Fantastical 2.0.3 - Create calendar even...
Fantastical 2 is the Mac calendar you'll actually enjoy using. Creating an event with Fantastical is quick, easy, and fun: Open Fantastical with a single click or keystroke Type in your event... Read more

SoundHound + LiveLyrics is Making its De...
SoundHound Inc. has announced that SoundHound + LiveLyrics, will be one of the first third-party apps to hit the Apple Watch. With  SoundHound you'll be able to tap on your watch and have the app recognize the music you are listening to, then have... | Read more »
Adobe Joins the Apple Watch Lineup With...
A whole tidal wave of apps are headed for the Apple Watch, and Adobe has joined in with 3 new ways to enhance your creativity and collaborate with others. The watch apps pair with iPad/iPhone apps to give you total control over your Adobe projects... | Read more »
Z Steel Soldiers, Sequel to Kavcom'...
Kavcom has released Z Steel Soldiers, which continues the story of the comedic RTS originally created by the Bitmap Brothers. [Read more] | Read more »
Seene Lets You Create 3D Images With You...
Seene, by Obvious Engineering, is a 3D capture app that's meant to allow you to create visually stunning 3D images with a tap of your finger, and then share them as a 3D photo, video or gif. [Read more] | Read more »
Lost Within - Tips, Tricks, and Strategi...
Have you just downloaded Lost Within and are you in need of a guiding hand? While it’s not the toughest of games out there you might still want some helpful tips to get you started. [Read more] | Read more »
Entertain Your Pet With Your Watch With...
The Petcube Camera is a device that lets you use live video to check in on your pet, talk to them, and play with them using a laser pointer - all while you're away. And the Petcube app is coming to the Apple Watch, so you'll be able to hang out with... | Read more »
Now You Can Manage Your Line2 Calls With...
You'll be able to get your Line2 cloud phone service on the Apple Watch very soon. The watch app can send and receive messages using hands-free voice dictation, or by selecting from a list of provided responses. [Read more] | Read more »
R.B.I. Baseball 15 (Games)
R.B.I. Baseball 15 1.01 Device: iOS Universal Category: Games Price: $4.99, Version: 1.01 (iTunes) Description: The legendary Major League Baseball franchise returns to the diamond. Make History. ** ALL iPOD Touch, the iPad 2 and the... | Read more »
Here's How You Can Tell if an App W...
The Apple Watch is pretty much here, and that means a whole lot of compatible apps and games are going to be updated or released onto the App Store. That's okay though, beacause Apple has quietly updated their app description pages to make things... | Read more »
Forgotten Memories : Alternate Realities...
Forgotten Memories : Alternate Realities 1.0.1 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0.1 (iTunes) Description: + REDUCED PRICE ONLY THE LAUNCHING WEEK + "The most exciting horror game of 2015." - AppSpy... | Read more »

Price Scanner via MacPrices.net

Intel Compute Stick: A New Mini-Computing For...
The Intel Compute Stick, a new pocket-sized computer based on a quad-core Intel Atom processor running Windows 8.1 with Bing, is available now through Intel Authorized Dealers across much of the... Read more
Heal to Launch First One-Touch House Call Doc...
Santa Monica, California based Heal, a pioneer in on-demand personal health care services — will offer the first one-touch, on-demand house call doctor app for the Apple Watch. Heal’s Watch app,... Read more
Mac Notebooks: Avoiding MagSafe Power Adapter...
Apple Support says proper usage, care, and maintenance of Your Mac notebook’s MagSafe power adapter can substantially increase the the adapter’s service life. Of course, MagSafe itself is an Apple... Read more
12″ Retina MacBook In Shootout With Air And P...
BareFeats’ rob-ART morgan has posted another comparison of the 12″ MacBook with other Mac laptops, noting that the general goodness of all Mac laptops can make which one to purchase a tough decision... Read more
FileMaker Go for iPad and iPhone: Over 1.5 Mi...
FileMaker has announced that its FileMaker Go for iPad and iPhone app has surpassed 1.5 million downloads from the iTunes App Store. The milestone confirms the continued popularity of the FileMaker... Read more
Sale! 13-inch 2.7GHz Retina MacBook Pro for $...
 Best Buy has the new 2015 13″ 2.7GHz/128GB Retina MacBook Pro on sale for $1099 – $200 off MSRP. Choose free shipping or free local store pickup (if available). Price for online orders only, in-... Read more
Minimalist MacBook Confirms Death of Steve Jo...
ReadWrite’s Adriana Lee has posted a eulogy for the “Digital Hub” concept Steve Jobs first proposed back in 2001, declaring the new 12-inch MacBook with its single, over-subscribed USB-C port to be... Read more
13-inch 2.7GHz Retina MacBook Pro for $1234 w...
Adorama has the 13″ 2.7GHz/128GB Retina MacBook Pro in stock for $1234.99 ($65 off MSRP) including free shipping plus a free LG external DVD/CD optical drive. Adorama charges sales tax in NY & NJ... Read more
13-inch 2.5GHz MacBook Pro available for $999...
 Adorama has the 13-inch 2.5GHz MacBook Pro on sale for $999 including free shipping plus NY & NJ sales tax only. Their price is $100 off MSRP. Read more
Save up to $600 with Apple refurbished Mac Pr...
The Apple Store is offering Apple Certified Refurbished Mac Pros for up to $600 off the cost of new models. An Apple one-year warranty is included with each Mac Pro, and shipping is free. The... Read more

Jobs Board

*Apple* Retail - Multiple Positions (US) - A...
Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
*Apple* Retail - Multiple Positions (US) - A...
Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
Service-Learning Counselor, *APPLE* Corps -...
…CONTRACT TITLE Higher Education Assistant FLSA Exempt CAMPUS SPECIFIC INFORMATION APPLE Corps (Academic Preparation Program for Law Enforcement), a partnership between Read more
*Apple* iOS Specialist - Kforce (United Stat...
Our client is seeking an Apple iOS Specialist to join their team in Quincy, Massachusetts (MA). Duties: * Responsible for configuration and distribution of desktop, Read more
*Apple* Systems Engineer - Axius Technologie...
* Must be Apple -Certified specialist and will be responsible for all hardware: device settings, images creation/deployment, security implementation * Responsible for all Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.