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Hark! Yonder I Hear an 84+!
Posted by Michael on 20 March 2006, 04:31 GMT

James Montelongo has been working on better-quality sound for the 83+ SE and 84+ series. Real Sound v1.0 is light years ahead of all existing sound players for TI calculators. Users can convert WAV files into flash applications that play the sound clip. Sample rates up to 32 kHz are achievable on the calculator.

James has produced a demonstration video. The results are amazing; the song being played is terrible (No flames please :-).

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Re: Hark! Yonder I Hear an 84+!
coinmanz  Account Info
(Web Page)

This is AMAZING! Everybody is welcome to upload their song apps to Really Bored Productions (link above). I wish the 86 could do this, but the 89ti should deliver once somebody writes a good enough routine. Me thinks it's time to decompile something for code study :p

Reply to this comment    20 March 2006, 19:09 GMT

Re: Hark! Yonder I Hear an 84+!
Steven Ford  Account Info

HEY, terrible, i happen to like that song

Reply to this comment    21 March 2006, 00:57 GMT

Re: Hark! Yonder I Hear an 84+!
RobbieMc Account Info

wow, this is really getting around. Both engadget and dailytech have this as one of their news articles. And good job jim e!

Reply to this comment    22 March 2006, 09:56 GMT


Re: Re: Hark! Yonder I Hear an 84+!
Kevin Ouellet  Account Info
(Web Page)

I forsee a Revolution Software website crash soon by insane amount of new members on the forums

Reply to this comment    22 March 2006, 13:43 GMT


Re: Re: Re: Hark! Yonder I Hear an 84+!
burntfuse  Account Info
(Web Page)

lol, maybe a slashdotting?

Reply to this comment    22 March 2006, 19:23 GMT

signer
James Montelongo Account Info
(Web Page)

I'm kinda surprised no one has asked about the appsigner, I mean it is outputting directly to 8xk format.

Reply to this comment    22 March 2006, 22:15 GMT

Re: Hark! Yonder I Hear an 84+!
dataznboi4u18 Account Info

any word on this coming out for ti-89?

seems it would work better on 89 since its much more powerfull than 84+

Reply to this comment    25 March 2006, 02:13 GMT


Re: Re: Hark! Yonder I Hear an 84+!
James Montelongo Account Info
(Web Page)

Quite the oposite is true, the 84+ is better suited for this task. Processing and math capabilty adds NOTHING to abilty to play sound. Infact the way 68k works may make it harder and lower quality. Worst yet, being only 12mhz the max capable sample rate drops significantly. Now to continue, the speed differences with the 92 and 92+ would make so they can't be supported, atleast not easily. So all in all just to set the record straight 89s suck.

However, ExtendeD seem to be interested in make a 89 version, whether it actually happens is still all up to him.

Reply to this comment    25 March 2006, 03:00 GMT


Re: Re: Re: Hark! Yonder I Hear an 84+!
Rockman87  Account Info

James Check your email... I have probably revolutionized how your program could work... check it out and see and mail me back.

Reply to this comment    25 March 2006, 19:52 GMT


Re: Re: Re: Re: Hark! Yonder I Hear an 84+!
James Montelongo Account Info
(Web Page)

Never got a email from you, I've responded to everyone that has mailed me on the subject.

Reply to this comment    26 March 2006, 01:38 GMT

Re: Hark! Yonder I Hear an 84+!
Nathan Ladwig  Account Info

When ever I use it, I hear a high-pitched squeal in the background. It is enough to hurt my ears. Anyone else having this problem???

Reply to this comment    26 March 2006, 02:40 GMT


Re: Re: Hark! Yonder I Hear an 84+!
James Montelongo Account Info
(Web Page)

It happens on low sample rate audio, 16khz is usually tolerable but below that its very clear. If you can I recommend converting your audio to 18khz. That saves you from the high pitched noise and doesn't waste as much mem as 22khz does.

Since most people won't know how to convert to an arbitrary sample rate I suggest look at this program, SSRC. It's another command line program that can convert to any sample rate very well.

http://www.videohelp.com/tools?tool=SSRC

Reply to this comment    26 March 2006, 03:15 GMT

Re: Hark! Yonder I Hear an 84+!
Nathan Ladwig  Account Info

Since we have this, how long 'til we get a voiceclock for the 84's???

Reply to this comment    26 March 2006, 03:27 GMT

Re: Hark! Yonder I Hear an 84+!
Michael McElroy Account Info
(Web Page)

My God... Having been attached to the PSP homebrew community lately, my first reaction when I see a video displaying something so blatantly impossible is to scream "FAKE!"

However... You've got people here who have tested this and they say it works. That's simply outstanding.

Excellent job!

Reply to this comment    28 March 2006, 19:52 GMT


Re: Re: Hark! Yonder I Hear an 84+!
Rockman87  Account Info

James... what is your email? is it the one on your profile page?

I think you need to hear my idea. It will revolutionize realsound.

Reply to this comment    29 March 2006, 03:37 GMT


Re: Re: Re: Hark! Yonder I Hear an 84+!
Nathan Ladwig  Account Info

Can you tell us your idea, or is it top secret???

Reply to this comment    29 March 2006, 19:05 GMT

Re: Hark! Yonder I Hear an 84+!
Ken Account Info

What!? How can anyone think that's a bad song!? Greenday is awesome!

Reply to this comment    29 March 2006, 10:06 GMT


Re: Re: Hark! Yonder I Hear an 84+!
Rockman87  Account Info
(Web Page)

THis is my great idea; however, James said it wouldn't work. So, here is my plan anyway.

About 6 months ago a program came out called usb8x/ If you arn't familiar it is an app that you can store stuff on a flash drive( usb Memory stick) There is an example of a movie. Somebody saved matrix to their flash drive and then plugged it into the calc and watched it.
You can check that out at the url above.

Now, I have done a song for my calc... it is 70 seconds and 22Khs 8bit mono. It takes up ALL of my 84+silver memory. The quality is amazing, sounds like CD quality; however I can't even fit a whole song.

So this is my idea and I know you can get it to work... Make it so we can save our songs on a flash drive, either as a app or someother file. Then we plug the flash drive into the calc and load up the app and play the songs. This will solve the memory problem because the flash drive will have like 256mb which probably could fit over 100 songs at 22Khs. PLEASE SEE IF YOU CAN FIGURE HOW TO USE FLASH DRIVES, THEN CALCS WILL BE THE NEW MP3 PLAYER(but not mp3).

Down fall... The calc needs to be able to read the drive and play it from there because if the calc would have to download the song from the drive first it would take 10 minutes and wouldn't have enough memory for the whole song.(But, if that is the best you can do... get it that far.)

or... make it so that it downloads, plays, and deletes as it plays the song so that you will have enough memory.

Hopefully We can find a way to get more songs, or ti needs to put more memory on their calcs

Reply to this comment    31 March 2006, 01:00 GMT


Re: Re: Re: Hark! Yonder I Hear an 84+!
burntfuse  Account Info
(Web Page)

The problem with loading the sound data in realtime is that there probably wouldn't be enough time to transfer it from the USB drive, judging from what Jim's said, without seriously lowering the quality.

Reply to this comment    2 April 2006, 16:24 GMT

Re: Hark! Yonder I Hear an 84+!
calcprogrammer1 Account Info

This program is great! I converted a 16 second clip and it played great and took up less memory than Emu8x did. I need to try 32khz because my clip was 16. I don't have a calc to headphone plug but if you use the TI83+ standard calc to calc and two clip ended wires, it works fine.

Reply to this comment    22 April 2006, 15:52 GMT


Re: Re: Hark! Yonder I Hear an 84+!
ShadowFate  Account Info

I have a question:
if we got an entire video playing directly off of a flash drive, on a screen resolution of 96x64 at 10fps, then cant we get something in real time? i mean, 64x96 pixels is 6144, so uh like 6khz is possible? or does the function take longer than pixel output? or would we be able to prebuffer as much of the song as could be fit into memory and then stream it so to speak until it hits the end using the spare processing power to continue buffering the song?

Reply to this comment    11 September 2006, 02:05 GMT

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