AirPlay - aTV video, sound effects for AExpress: does not work with large files

Hello!

My setup

  • Internett--> modem (Cisco?) --> a/c Airport Extreme (latest high version)
  • iMac, iPad, 2 x iPhones. iMac installed Beamer.
  • Bedroom: AppleTV 3rd GEN rev A - hdmi--> LG TV (old). AirPlay ON, 'Apple TV room '. Connected to the local network of 5 GHz.
  • Bedroom: AirportExpress 1st GEN 802.11 a/b/g N-Draft (last type of those that go right into the socket) with AirPlay - stereo--> stereo BOSE. AirPlay ON, 'room '. Connected to the local network of 5 GHz I also tried to connect 2.4 GHz network, no significant variation...
  • Living room: AppleTV 4th Gen. - hdmi--> LG TV (new). AirPlay ON, "iTV."

Problem (abridged version)

Most of the time - but not every time - when I stream video + audio iMac to aTV and choose to listen to the audio portion of the aTV to a separate AExpress (which is connected to a better BOSE audio system), the movie will not play. Streaming both audio and video - and only - the aTV works perfectly, but then I have bad sound, since I use the TV's internal speakers. What is reasons for it? Tips to fix it?

Problem (full version)

Every time when I stream video and audio from large multimedia files (about 3-4 GB .mkv) of the iMac (Beamer) on the ATV to the room, I didn't encounter any problem. Buffering is fast (2-4) and there is no delay or other negative experience. Unfortunately, as with all flat TVs, the sound of the TV is poor. Since I have a BOSE sound system, placed around this TV, I like to use it for audio. As I do this is - after the streaming media file (Beamer) iMac to the bedroom aTV - pressing the Center "Select" button during 1 sec on the remote to display the "audio" preferences and select money "Chamber" (AExpress related to the BOSE sound system). In this way, I think that audio + video is streamed to the iMac on the ATV in the bedroom, and the sound is then broadcast the ATV to the AExpress. This is where the problem occurs. Sometimes it works very well, as today in the morning. No lag and everything works fine. But most of the time, after changing the preference "audio" in the sound stream for the BOSE, the beginning of the play symbol buffering becomes the symbol of the break and nothing happens. I hit play again and the symbol of the game / buffering symbol lights up for a few seconds, and then again to pause. She never starts.

The problem usually occurs with heavy multimedia files / large size 1080 p and 3-4 GB, not with the simplest 720 p files weighing about 1 to 2 GB. This makes me think it's a matter of WiFi capability. But if my WiFi network should not be able to manage that? I think that the apple TV in the bedroom and the AExpress uses the N standard, so it is the limiting factor. But if this interface should not be able to handle the traffic? Is it true that do what I do - separate the video and audio - use twice the network traffic?

I also want to mention that everything works perfectly at certain times, like this morning. Last night (12 h) it wouldn't work at all... Perhaps there are more traffic yesterday (Saturday) evening.

Questions (summarizes all Qs in text and some new)

  1. My network be able to handle the traffic encountered at the stream video + audio iMac to mountain BIKING in the room and streaming audio of ATV to AExpress at the same time?
  2. It is true that this configuration requires / use twice the network resources?
  3. Do you also think that my problem is caused by a network limited issue / the amount of data PR. second?
  4. I have a new (flat unit with power cord separate) Airport Express. This device manage more traffic and thus possibly resolve my problem?
  5. Other suggestions to solve my problem?

Sorry for long post, but I think that its better with much info little. Have a great Sunday =)

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I think I can explain the reason for the problem... but I have little experience with sound problems... so you will need to figure out a work around.

The nature of wireless networks, it's to manage the stream very well... but they are much less good at the sensitive time of things like multimedia transmission continuously. In fact, if you want to stream multimedia content over wireless, it is preferable to use specialized units... no wifi. I have a 3D projector and home theater system that uses a special wireless link from Epson to the projector... It is amazing that it can handle the required data of 3D projection. It does so by using 60GHz or some these extremely high FREQ... and totally dedicated units... no wifi. In the end, we ran an HDMI cable in the wall... it was largest wireless but not could be started reliably. Wireless is simply not ready for the big time of streaming video high definition even when dedicated.

Wireless network adapter... It is wifi, can handle only one connection at a time and it time slices between clients. It's also half-duplex, so it can only send or receive... it can't do both at the same time.

On the other hand, modern interrrupteurs ethernet can stream to multiple devices at the same time. It can also handle send them and receive at the same time... That is to say in full duplex. This is why the networks ethernet much more suitable for media streaming wireless never can be.

As soon as you try to use double flow... even if it is audio (low bandwidth) and a video (broadband), you will cause huge delays to the video component. The video stream has literally if stop to give the time to the audio to catch up... you can immediately see where this will lead. Low resolution, it might work... but at high resolution, there is bandwidth inadequate considering the Division of time.

It would be much better to use the audio on the TV. Or check if the TV itself has audio output... that plug into the standard analog audio system RCA or it could even have out optical. Who will then provide a means by which the flow must not be split. My samsung smart TV offers you both.

The other solution probably won't be viable... execution of ethernet.

Tags: Wireless

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