Hello. I'm a beginner developer trying to release a music app. My app is, Use Shazamkit to provide information about music (such as album image of a song, music title and genre, etc.) that the user receives via audio. Through Apple Music API, provide information about music searched by users (such as artist image, album image, playlist image, title and artist name, genre, etc.). However, it was rejected by reviewers for the following reasons. 5.2.1(e) Legal: Intellectual Property - General Of course, I am a member of the Apple Developer Program, and even though I only used APIs and Kits provided by Apple, I was rejected due to copyright issues. For reference, my app does not have upload/download functions for audio and video, and does not include playback functions. How do I resolve copyright issues? Thank you.

I recently released my first ShazamKit app, but there is one thing that still bothers me. When I started I followed the steps as documented by Apple right here : https://developer.apple.com/documentation/shazamkit/shsession/matching_audio_using_the_built-in_microphone however when I was running this on iPad I receive a lot of high pitched feedback noise when I ran my app with this configuration. I got it to work by commenting out the output node and format and only use the input. But now I want to be able to recognise the song that’s playing from the device that has my app open and was wondering if I need the output nodes for that or if I can do something else to prevent the Mic. Feedback from happening. In short: What can I do to prevent feedback from happening Can I use the output of a device to recognise songs or do I just need to make sure that the microphone can run at the same time as playing music? Other than that I really love the ShazamKit API and can highly recommend to have a go with it! This is the code as documented in the above link (I just added the comments of what broke it for me) func configureAudioEngine() { // Get the native audio format of the engine's input bus. let inputFormat = audioEngine.inputNode.inputFormat(forBus: 0) // THIS CREATES FEEDBACK ON IPAD PRO let outputFormat = AVAudioFormat(standardFormatWithSampleRate: 48000, channels: 1) // Create a mixer node to convert the input. audioEngine.attach(mixerNode) // Attach the mixer to the microphone input and the output of the audio engine. audioEngine.connect(audioEngine.inputNode, to: mixerNode, format: inputFormat) // THIS CREATES FEEDBACK ON IPAD PRO audioEngine.connect(mixerNode, to: audioEngine.outputNode, format: outputFormat) // Install a tap on the mixer node to capture the microphone audio. mixerNode.installTap(onBus: 0, bufferSize: 8192, format: outputFormat) { buffer, audioTime in // Add captured audio to the buffer used for making a match. self.addAudio(buffer: buffer, audioTime: audioTime) } }

Hi, dear apple developers. Is there any full example about shazamkit for android developers? I've found that There is no full example about how to use shazamkit to build an android app propertly in WHOLE Internet(eg: github etc.).... the documentation below is missing a lot of information. https://developer.apple.com/shazamkit/android/ Especially how to associate MediaItem with signature. https://developer.apple.com/shazamkit/android/shazamkit/com.shazam.shazamkit/-media-item/index.html in swift we can use customCatalog.addReferenceSignature(signature, representing: [mediaItem]) but I can't see anything about it in kotlin So, is there more information about it?

Hi, I've been asked to develop a software for macOS that monitors daily 24/7 some streamings and logs the aired music. I'd like to use ShazamKit, by the way I don't know if I have to do something in particular in order to use it in a commercial app and I don't know if with so many requests I can hit some threshold (it could be 10 simultaneous streams, it could be 100 simultaneous streams, I don't know at the moment). Any info about that?

Hi, I'm developing an app with ShazamKit and I'd like to check its license agreement in order to know what I can and what I can't do, but I can't find it anywhere. Is there any link where I can find it?

I am trying to build a "Sing that Tune" game. For example: The app will tell the user to sing, "Row row your boat." The user will sing "Row row your boat" into the microphone. If the user's melody is close enough to the actual melody, the game is won. My question: Since I'm dealing with live audio that might be "correct" but not "exact," is the best strategy to use ShazamKit and an SHCustomCatalog, or is it better to use Create ML and sound classification? I know Create ML model can learn the difference between a baby and a firetruck, but can it learn the difference between a good guess and a wrong guess of a sung melody? Thank you, Eli

I have the following situation: I took 3 audio files and generated a Shazam signature for each I created a custom catalog with these 3 signatures All 3 audio items have an identical 40 second intro When I create a SHSession with my custom catalog and try to match audio from that common intro section, the matcher returns on the delegate method session(_ session: SHSession, didFind match: SHMatch) - without exception - only 1 object in the match.mediaItems array. For example: if didFind is called once per second, for signatures A, B, C, I would get a random sequence like - A, B, A, A, C, C, B, A (it's different every time). According to the documentation, mediaItems should contain all 3 sounds represented by the signatures as possible matches: mediaItems - An array of the media items in the catalog that match the query signature, in order of the quality of the match. The catalog was built by loading the signature files from disk: let signatureData = try Data(contentsOf: sigUrl) let signature = try SHSignature(dataRepresentation: signatureData) let mediaItem = SHMediaItem(properties: [.title: sigName]) try customCatalog.addReferenceSignature(signature, representing: [mediaItem]) I tried matching: with session.matchStreamingBuffer(buffer, at: audioTime) (so sending the audio input directly to the matching session) by creating a signature of the recorded audio for different durations (from 3 to 15 seconds recording duration) and sending the signature to the matcher to session.match(signature). I also tried the async/await version, for the small chance of implementation differences between the two but I always, without exception, only get 1 item in the mediaItems array. Everything else seems to be working correctly - apart from matching within the common section. Does anyone have any suggestions about this? Is it expected behaviour or a ShazamKit bug?

Hi, I have built an app that is based on ShazamKit custom catalog. It works fine when I test it using the simulator. However when I deploy it on my ios 15.5 device, it does not work. It matches the first item and that it. It keeps calling the delegate but match is always equal to the first item.    func session(_ session: SHSession, didFind match: SHMatch) {     if let first = match.mediaItems.first {       if let mediaItemTitle = first.title {         if (title != mediaItemTitle) {           title = mediaItemTitle         }       }     }   }

Hi, I'm trying to convert a stream into a PCMBuffer and then use Shazam to match. Shazam always fails to match. I have a theory it "listens" to the playback at double speed or more. Starts from here: ... let format = audioEngine.outputNode.inputFormat(forBus: 0) guard let pcmBuffer = format.toPCMBuffer(frame: currentFrame) else {          return } session.matchStreamingBuffer(pcmBuffer, at: nil) Where toPCMBuffer is: extension AVAudioFormat {     func toPCMBuffer(frame: AudioFrame) -> AVAudioPCMBuffer? {         guard let pcmBuffer = AVAudioPCMBuffer(pcmFormat: self, frameCapacity: UInt32(frame.dataWrap.size[0]) / streamDescription.pointee.mBytesPerFrame) else {             return nil         }         pcmBuffer.frameLength = pcmBuffer.frameCapacity         for i in 0 ..< min(Int(pcmBuffer.format.channelCount), frame.dataWrap.size.count) {             frame.dataWrap.data[i]?.withMemoryRebound(to: Float.self, capacity: Int(pcmBuffer.frameCapacity)) { srcFloatsForChannel in                 pcmBuffer.floatChannelData?[i].assign(from: srcFloatsForChannel, count: Int(pcmBuffer.frameCapacity))             }         }         return pcmBuffer     } } AudioFrame is: final class AudioFrame: MEFrame {     var timebase = Timebase.defaultValue     var duration: Int64 = 0     var size: Int64 = 0     var position: Int64 = 0     var numberOfSamples = 0     let dataWrap: ByteDataWrap     public init(bufferSize: Int32, channels: Int32) {         dataWrap = ObjectPool.share.object(class: ByteDataWrap.self, key: "AudioData_\(channels)") { ByteDataWrap() }         if dataWrap.size[0] < bufferSize {             dataWrap.size = Array(repeating: Int(bufferSize), count: Int(channels))         }     } ... } and MEFrame is: extension MEFrame {     public var seconds: TimeInterval { cmtime.seconds }     public var cmtime: CMTime { timebase.cmtime(for: position) } }