Questions tagged [speaker]
233 questions
4
votes
3 answers
How do I make the volume louder from this code in proccessing?
I've got the code to play a little sound from an arduino. The song has been encoded from numeric values. but how do I make it play louder from the arduino?
#include
int switchPin = 8;
const unsigned char sample[] PROGMEM = {
140, 124,…

user1048682
- 119
- 4
- 11
4
votes
3 answers
Manually driving the PC internal speaker
Is there any way, in any language (C preferred) to interface the PC internal speaker directly under Windows/Linux? (no DOS) I don't want to drive it at a specficic frequency for a given duration (no beep(frq, msecs)), but I'd rather send signals…

kaoD
- 1,534
- 14
- 25
4
votes
1 answer
iOS pjsip 2.2 loud speaker switch fails
During the call I try to switch voice from internal speaker to Loud speaker on iOS device using pjsip 2.2 library. It returns TRUE as success, but physically it doesn't change sound destination.
I use the next code
- (BOOL)setLoud:(BOOL)loud {
if…

user3767714
- 41
- 3
4
votes
1 answer
How software echo canceller works?
I've read many VoIP echo topics, like What is echo cancellation? Causes of Echo
And here is what I understand. Supposed there are A and B calling, and A hears his own voice (echo)
Its B who causes echo. Because B's microphone has captured B's…

onmyway133
- 45,645
- 31
- 257
- 263
4
votes
1 answer
android cancel speakers output. Eliminate phone feedback
I'm developing some speech recognition app. I need to recognize words when the phone is ringing, but to do this I must cancel the speakers contribution to the microphone. So i want the microphone to ignore all audio coming from the speakers.
I've…

Miquel
- 307
- 1
- 4
- 15
4
votes
1 answer
How to detect alarm ringing or other apps using speaker?
I am developing a music app. I want to detect that other apps using speaker or alarm ringing for play/pause music.
For phone call i use PhoneStateListener. I tryed OnAudioFocusChangeListener for to detect other audios. But didn't work.
I wondering…

N3CAT1
- 367
- 4
- 13
3
votes
0 answers
iOS: Route audio-IN thru jack, audio-OUT thru inbuilt speaker
My project involves a magnetic card reader device that plugs into the phono socket (ie only uses microphone)
Can I get my project to output sound through the inbuilt speaker while simultaneously listening for input from the device?
Research suggests…

P i
- 29,020
- 36
- 159
- 267
3
votes
1 answer
Mic input to the speaker output on an iOS device?
How can I redirect the mic input to the speaker output on an iOS device? I know it feedbacks overtime, but how can I do it in code?

Ravi
- 7,929
- 6
- 38
- 48
3
votes
0 answers
how to control the Sound Through Speaker And Earphone in flutter
i,m use this hmssdk_flutter package ,
How can I toggle speaker? I mean switch between earphone (built-in earphone) and speaker.
this hmssdk_flutter , Does not support switch in the ios , Only Android
Is there a package, or a way to help me ot…

Nawaf ALkhadidi
- 71
- 4
3
votes
1 answer
AudioManager setCommunicationDevice is not working on Android 12
I'm developing a mini native (Java) SDK to turn ON/OFF speaker for a react-native app for calls , because React-Native Incall Manager doesn't work properly on Android 12.
Module is working good on Android 11, but since setSpeakerOn method from…

Dragos UniqQum
- 388
- 4
- 12
3
votes
0 answers
Is it possible to force audio through speakers while headphones are connected?
I need to force audio through speakers because there's a headphone jack tip stuck in my connector which is most likely not coming out.
On android 8.0 I used an app called Audio Router to route the audio to speakers and it worked fine but after I…

Martin
- 31
- 1
3
votes
1 answer
TypeError: 'module' object is not callable . MFCC
Working on a project based on speaker recognition using python and getting the following error while finding MFCC.
Traceback (most recent call last):
File "neh1.py", line 10, in
complexSpectrum = numpy.fft(signal)
TypeError: 'module'…

Neha
- 43
- 1
- 1
- 5
3
votes
2 answers
How to parse a music into a array of frequencies and durations of its notes
Greetings,
I'm working on a low level programming project and I want to play a music with the computer speaker.
I'm already capable of using the speaker (with timer2) and a song is represented in the following way:
note_t *music;
where note_t…

Renato Rodrigues
- 1,038
- 1
- 18
- 35
3
votes
1 answer
How to work with the Microsoft Cognitive Services - Speaker Recognition API
I am completely new to the Microsoft Cognitive Services. I want to build a webproject which is completely speech controlled. For the speech control I am using arytom.js, which is a very simple and great API for my usage. It works fine for me, for…

Mixmarcil
- 33
- 4
3
votes
0 answers
WatchKit Sound from watch speaker without displaying controls
this has probably been covered before.
I can play sound through the watch speaker (as long as no bluetooth device is connected). But it brings up the annoying controls.
I want to play sound with no controls on a button press.
Is there a way of…

ThundercatChris
- 481
- 6
- 25