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  • Record and display Kinect audio and video via avconv

    - by ThomasH
    I'm trying to record audio and video from a Kinect using avconv but I seem to have trouble specifying the right options. avconv -f video4linux2 -video_size 640x480 -c:v h264 -c:a ac3 -i /dev/video1 test.mp4 results in: avconv: /build/buildd/libav-extra-0.8.3ubuntu0.12.04.1/libav/libavutil/mathematics.c:79: av_rescale_rnd: Assertion `c > 0' failed. Aborted (core dumped) Cheese is perfectly happy recording the audio and video from the Kinect, so it's not a setup issue. For added fun, I also need to display the video at the same time.

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  • Android device connects to my computer, but doesn't play audio over Bluetooth

    - by bi99l35
    I turn on Bluetooth on both my devices and open up Music on my Android. I select a song to play, press the menu button, and tap "Via Bluetooth": I tap on my computer in the "Bluetooth Device Picker": Then it says, under the name of my computer: Connected to media audio Now I should technically be able to play music through my computer, since it "Just Worked" in Kubuntu with Blueman. But nope, something must be up with PulseAudio, because I hear no sound from my computer (I'm running Xubuntu 12.04). The reason I say this is that the devices list in Blueman shows indication of data transfer and it says it's connected, but in the PulseAudio Volume Control has no indication of my Bluetooth device (or Blueman) playing audio.

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  • Help with intel Imac 2008 Audio not working

    - by Tomtom
    I installed Ubuntu 12.04 and I get no audio except if i insert speakers and set them as headphones. This means really weird feedback and little volume. i'd like to set it back to the mac's default speakers but currently no matter what graphical interface i go into such as Audio or Alsamixer i can not fix the problem.Ive run alsamixer and looked thoroughly throught the forums but cannot find the answer to my problem. When i input cat /proc/asound/cards i get 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0x50600000 irq 47 Any help would be very much appreciated and as a newcomer i would be glad to give you any information you need. Thank you

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  • How do I output my audio input?

    - by VarLogRant
    A few iterations ago, I think this was Jaunty but could've been before, I would plug a 1/8" audio cable from the line-out of a Windows netbook to the line-in of my Ubuntu machine, so I would have all the sound from both machines without having to plug both into a mixer which I don't have. I didn't do this much, as I was pretty-much happy with Banshee at the time. But with Karmic, and still with Lucid, I can only get the output if I'm recording with Audacity. Which I'm not going to do from my web-development and systems programming workstation. I can tell by plugging in headphones that my netbook has audio out working. I can see Sound Preferences that the Ubuntu machine is receiving them. I just want the old behavior back. Help?

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  • No sound/audio after resuming from sleep

    - by hansvonaachen
    I've made a fresh UEFI install of Ubuntu 13.10 (64 bit) on a Lenovo Ideapad Z510 laptop with Intel i5 4200M processor. Ubuntu is the only OS installed on the computer, secure boot disabled. Everythings works fine (backlight issue fixed after editing rc.local file), the only minor trouble I have is resuming the laptop from "sleep" mode. If I close the lid and then wake the laptop opening it again, there is no audio/sound. I need to restart the computer (not even logging out helps). If I suspend the computer in a graphical way (not closing the lid): gearwheel in top right of the screen -- suspend and wake it up/turning on, audio works with no issues. Ideas how to fix this? Thanks!

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  • Audio is working, but the speaker test doesn't work

    - by Pacquo
    I've installed Ubuntu 12.04 LTS from a minimal cd on a netbook (Asus 1001 PXD). I've installed the ubuntu-desktop package using the --no-install-recommends option. Everything works fine, except the "sound test" for headphones or analog speakers. Clicking on the "test" buttons (front left and front right) I don't hear any sound. Despite this, the audio is working properly. I've checked the audio levels with alsamixer; I have also checked that the test sounds actually exist in /usr/share/sounds/alsa. I tried an installation of Ubuntu 12.04 LTS made with the desktop-cd, and in this case the speaker test works properly. I suppose, therefore, that the problem could depend on the lack of a package, but I have not identified which one.

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  • skype crashes, also audio problems 13.10

    - by user139710
    Ive always had problems with skype ususally with audio, trying to keep the usb headphones set correctly. Wha tive found is that when i see the Pulseaudio server in the audio list in Skype, and thats my only option, Skype works good,...stable and reliable. Second issue: Its been crashing a bit, just locks up and the only thing to free it up is a reboot,.. These problems are under the new release 13.10. so concider this a bug report. DEVELOPERS: You all need to make a good channel for people to report bugs,.... OK thats all/

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  • Mac/iPhone:Streaming video file to iPhone

    - by user34157
    Hi, I am redirecting my question to superuser from stackoverflow: I have a http streaming link which gives me .flv streaming feed. I want to convert that and access in my iPhone program. How can i do that? I want to have a desktop software like VLC and input this streaming feed URL and convert to iPhone supported and stream again to iPhone. I tried VLC with H.264 and Mpeg-1 audio, but seems to be it doesn't give the supported format, so as iPhone program doesn't play the video. Could someone please guide me how can i setup a desktop software which can stream iPhone supported file? Thanks in advance.

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  • Remove the audio narration from a PowerPoint presentation

    - by thomas
    I recorded audio for a PowerPoint presentation and now a colleague wants me to send the presentation to him. The file is currently 18 MB and I want to get it down to handy 1 or 2MB by stripping the audio. The only way I see is to remove the audio in the animation bar slide by slide. Stripping notes can be done by the "inspect document" feature. But for audio I see no such way. How can I remove the audio all at once?

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  • Microphone audio streaming from Cocoa mac app to iPhone

    - by Benzamin
    Hi devs, I'm trying to build a microphone audio streamer to iPhone. The server software will be a mac desktop app and the client will be iPhone, and they are connected via tcp port. I've successfully connected the mac app and iPhone, and tried to send a fixed test.m4a audio file first. But at the iPhone i grabbed the data well, when tried to play it i used AVAudioPlayer and its returning OSStatus error. I played around with the audio queue service but its very tricky and i only got some example for fixed length audio playing like http://cocoawithlove.com/2009/06/revisiting-old-post-streaming-and.html Now i need help on two things, how can i continuously grab audio data from Mac desktop microphone? And then after grabbing the data how i can play this unfixed length audio data in the iPhone. What exactly i need to do? Please please help me on this......

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  • Recording app sound in iphone

    - by user292127
    Hi, I am developing a music mixing app in iphone. It'll mix the music and user can compose a new music from it. I need to record this final music. I had used AVAudiorecorder to record this one. But no change. It can record sound from microphone but I need to record app sound. I had used audio queue call back function to record the audio. But when app runs I can hear the audio from my app and I couldn't hear any sound from recorded audio. There is no problem with recording since I can hear the audio recorded through microphone. But I need an offline recorder which can record the audio output of iphone, rather than the audio input through microphone. I need a recorder which can record audio using ipod touch (no microphone). Any help?

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  • How do I improve picture quality while streaming live football (soccer) from my Dell D600 to an HDTV?

    - by Bob
    I have fibre broadband with speeds up to 38mbs, my Dell D600 has its max 2gb ram and has an ATI Mobility RADEON 9000 4xAGP 32mb card in it...Its TV support it says is NTSC or PAL in S-video and composite modes with a 7-pin mini-DIN connector (optional S-video to composite video adapter cable) and a vga port which i am using at the moment... The laptop runs Windows XP, an 80g HD with only windows + necessary updates and anti virus software on it..... There is HDMI on the TV, but not the laptop Fairly slow moving and close up pictures arent too bad, but when the movment is fast(a shot on goal) or in the distance, I cant see the ball and the images go out of focus.

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  • Does anyone have any idea about any songCatcher library for Linux? or any idea on how to use "Audio-

    - by Bobby
    Hi All, Does anyone have any idea about any songCatcher library for Linux? songCatcher is based on the acoustic fingerprints. I managed to find one "Audio-Ofa-Util-0.04" but I'm facing problem in using it. Or if someone can help me understand its usage. Like: how can I pass an audio file to this tool. Any specific command for its usage etc. Any help would be highly appreciated. Thanks, Bobby

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  • Which audio playback technology do I need for this?

    - by mystify
    I have trouble choosing the right audio playback technology. There's a ton of technologies to use on the iPhone, it's so confusing. What I need to do is this: start playing short sounds ranging between 0.1 and 2 seconds high quality playback, no crackle (I heard some of the iPhone audio playback technologies do a crackle sound on start or end, which is bad!) ability to start playback of a sound, while there's already another one playing right now (two, three or more sounds at the same time) What would you suggest here, and why? Thanks :-)

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  • Is it possible to capture audio output and apply effects to it?

    - by Ciaran
    Using .NET and DirectSound I want to be able to take all output sound that is coming from my audio device and apply effects to it. I've had a quick look at the docs on MSDN and there doesn't seem to be any explanation as to how to do something like this. I've read elsewhere that you'd be better off writing a driver to sit in front of your real audio driver and have that do whatever you want with the sound. Any ideas anyone to push me in the right direction?

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  • Speech recognition webservice that scores the accuracy of one audio clips vs. another?

    - by wgpubs
    Does such a thing exist? Building a Rails based web application where users can upload an audio file of them speaking that then needs to be compared to another audio file for the purposes of determining how similar to voices are. Ideally I'd like to simply get a response that gives me a score of how similar they are in terms of percentage (e.g. 75% similar etc...). Anyone have any ideas? Thanks

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  • How to create live stream audio for web-sites ???

    - by Kathir
    Hi All, We are storing sound from mic to pc via sound forge. We would like to broadcast the sound which comes from the mic to the pc as live streaming audio. Basically a person speaks in a mic, we like to give it as live stream audio. The web-site is hosted on yahoo server. Can you please let me know in what are the ways we can achieve this? Thanks, Kathir

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  • Find More Streaming TV Online with Clicker.tv

    - by DigitalGeekery
    Looking for a way to access more of your favorite TV Shows and other online entertainment? Today we’ll take a look at Clicker.tv which offers an awesome way to find tons of TV programs and movies. Clicker.tv Clicker.tv is an HTML5 web application that indexes both free and premium content from sources like Hulu, Netflix, Amazon, iTunes, and more. Some movies or episodes, such as those from Netflix and Amazon.com’s Video on Demand, will require viewers to have a membership, or pay a fee to access content. There is also a Clicker.tv app for Boxee.   Navigation Navigating in Clicker.tv is rather easy with your keyboard. Directional Keys: navigate up, down, left, and right. Enter: make a selection Backspace: return to previous screen Escape: return to the Clicker.tv home screen. Note: You can also navigate through Clicker.tv with your PC remote. Recommended Browsers Firefox 3.6 + Safari 4.0 + Internet Explorer 8 + Google Chrome Note: You’ll need the latest version of Flash installed to play the majority of content. Earlier versions of the above browsers may work, but for full keyboard functionality, stick with the recommendations. Using Clicker.tv The first time you go to Clicker.tv, (link below) you’ll be met with a welcome screen and some helpful hints. Click Enter when finished.   The Home screen feature Headliners, Trending Shows, and Trending Episodes. You can scroll through the different options and category links along the left side.   The Search link pulls up an onscreen keyboard so you can enter search terms with a remote as well as a keyboard. Type in your search terms and matching items are displayed on the screen.   You can also browse by a wide variety of categories. Select TV to browse only available TV programs. Or, browse only Movies in the movie category. There are also links for Web content and Music.   Creating an Account You can access all Clicker.tv content without an account, but a Clicker account allows users to create playlists and subscribe to shows and have them automatically added to their playlist. You’ll need to go to Clicker.com and create an account. You’ll find the link at the upper right of the page. Enter a username, password and email address. There also an option to link with Facebook, or you can simply Skip this step.   Go to Clicker.tv and sign in. You can manually type in your credentials or use the onscreen keyboard with your remote.   Settings If you’d prefer not to display content from premium sites or Netflix, you can remove them through the Settings. Toggle Amazon, iTunes and Netflix on or off.   Watching Episodes To watch an episode, select the image to begin playing from the default source, or select one of the other options. You can see in the example below that you can choose to watch the episode from Fox, Hulu, or Amazon Video on Demand.   Your episode will then launch and begin playing from your chosen source. If you choose a premium content source such as iTunes or Amazon’s VOD, you’ll be taken to the Amazon’s website or iTunes and prompted to purchase the content.   Playlists Once you’ve created an account and signed in, you can begin adding Shows to your playlist. Choose a series and select Add to Playlist.   You’ll see in the example below that Family Guy has been Added and the number 142 is shown next to the playlist icon to indicate that 142 episodes has been added to your playlist. Underneath the listings for each episode in your playlist you can mark as Watched, or Remove individual episodes.   You can also view the playlist or make any changes from the Clicker.com website. Click on “Playlist” on the top right of the Clicker.com site to access your playlists. You can select individual episodes from your playlists, remove them, or mark them as watched or unwatched. Clicker.TV and Boxee Boxee offers a Clicker.TV app that features a limited amount of the Clicker.TV content. You’ll find Clicker.TV located in the Boxee Apps Library. Select the Clicker App and then choose Start. From the Clicker App interface you can search or browse for available content. Select an episode you’d like to view… Then select play in the pop up window. You can also add it to your Boxee queue, share it, or add a shortcut, just as you can from other Boxee apps. When you click play your episode will launch and begin playing in Boxee. Conclusion Clicker.TV is currently still in Beta and has some limitations. Typical remotes won’t work completely in all external websites. So, you’ll still need a keyboard to be able to perform some operations such as switching to full screen mode. The Boxee app offers a more fully remote friendly environment, but unfortunately lacks a good portion of the Clicker.tv content. As with many content sites, availability of certain programming may be limited by your geographic location. Want to add Clicker.TV functionality to Windows Media Center? You can do so through the Boxee Integration for Windows 7 Media Center plug-in. Clicker.tv Clicker.com Similar Articles Productive Geek Tips Share Digital Media With Other Computers on a Home Network with Windows 7Stream Music and Video Over the Internet with Windows Media Player 12Listen to Online Radio with AntennaEnable Media Streaming in Windows Home Server to Windows Media PlayerNorton Internet Security 2010 [Review] TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Nice Websites To Watch TV Shows Online 24 Million Sites Windows Media Player Glass Icons (icons we like) How to Forecast Weather, without Gadgets Outlook Tools, one stop tweaking for any Outlook version Zoofs, find the most popular tweeted YouTube videos

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